Commit b60fc2e0 authored by Santhanavanich's avatar Santhanavanich
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upload application

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/**
* @license
* Cesium - https://github.com/CesiumGS/cesium
* Version 1.121.2
*
* Copyright 2011-2022 Cesium Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Columbus View (Pat. Pend.)
*
* Portions licensed separately.
* See https://github.com/CesiumGS/cesium/blob/main/LICENSE.md for full licensing details.
*/
import {
EllipseGeometryLibrary_default
} from "./chunk-JISPSEF3.js";
import {
GeometryOffsetAttribute_default
} from "./chunk-GBT7MJ6X.js";
import {
IndexDatatype_default
} from "./chunk-C4WPMOKT.js";
import {
GeometryAttributes_default
} from "./chunk-X7IQYYHF.js";
import {
GeometryAttribute_default,
Geometry_default,
PrimitiveType_default
} from "./chunk-JXVLNVXC.js";
import {
BoundingSphere_default
} from "./chunk-KHZNBFOH.js";
import {
ComponentDatatype_default
} from "./chunk-XIUSRWL6.js";
import {
Cartesian3_default,
Ellipsoid_default
} from "./chunk-FFLMY4TE.js";
import {
Math_default
} from "./chunk-WGDFYAGC.js";
import {
defaultValue_default
} from "./chunk-U5HSOKPQ.js";
import {
DeveloperError_default
} from "./chunk-P6TRGU3S.js";
import {
defined_default
} from "./chunk-YCDZX5LS.js";
// packages/engine/Source/Core/EllipseOutlineGeometry.js
var scratchCartesian1 = new Cartesian3_default();
var boundingSphereCenter = new Cartesian3_default();
function computeEllipse(options) {
const center = options.center;
boundingSphereCenter = Cartesian3_default.multiplyByScalar(
options.ellipsoid.geodeticSurfaceNormal(center, boundingSphereCenter),
options.height,
boundingSphereCenter
);
boundingSphereCenter = Cartesian3_default.add(
center,
boundingSphereCenter,
boundingSphereCenter
);
const boundingSphere = new BoundingSphere_default(
boundingSphereCenter,
options.semiMajorAxis
);
const positions = EllipseGeometryLibrary_default.computeEllipsePositions(
options,
false,
true
).outerPositions;
const attributes = new GeometryAttributes_default({
position: new GeometryAttribute_default({
componentDatatype: ComponentDatatype_default.DOUBLE,
componentsPerAttribute: 3,
values: EllipseGeometryLibrary_default.raisePositionsToHeight(
positions,
options,
false
)
})
});
const length = positions.length / 3;
const indices = IndexDatatype_default.createTypedArray(length, length * 2);
let index = 0;
for (let i = 0; i < length; ++i) {
indices[index++] = i;
indices[index++] = (i + 1) % length;
}
return {
boundingSphere,
attributes,
indices
};
}
var topBoundingSphere = new BoundingSphere_default();
var bottomBoundingSphere = new BoundingSphere_default();
function computeExtrudedEllipse(options) {
const center = options.center;
const ellipsoid = options.ellipsoid;
const semiMajorAxis = options.semiMajorAxis;
let scaledNormal = Cartesian3_default.multiplyByScalar(
ellipsoid.geodeticSurfaceNormal(center, scratchCartesian1),
options.height,
scratchCartesian1
);
topBoundingSphere.center = Cartesian3_default.add(
center,
scaledNormal,
topBoundingSphere.center
);
topBoundingSphere.radius = semiMajorAxis;
scaledNormal = Cartesian3_default.multiplyByScalar(
ellipsoid.geodeticSurfaceNormal(center, scaledNormal),
options.extrudedHeight,
scaledNormal
);
bottomBoundingSphere.center = Cartesian3_default.add(
center,
scaledNormal,
bottomBoundingSphere.center
);
bottomBoundingSphere.radius = semiMajorAxis;
let positions = EllipseGeometryLibrary_default.computeEllipsePositions(
options,
false,
true
).outerPositions;
const attributes = new GeometryAttributes_default({
position: new GeometryAttribute_default({
componentDatatype: ComponentDatatype_default.DOUBLE,
componentsPerAttribute: 3,
values: EllipseGeometryLibrary_default.raisePositionsToHeight(
positions,
options,
true
)
})
});
positions = attributes.position.values;
const boundingSphere = BoundingSphere_default.union(
topBoundingSphere,
bottomBoundingSphere
);
let length = positions.length / 3;
if (defined_default(options.offsetAttribute)) {
let applyOffset = new Uint8Array(length);
if (options.offsetAttribute === GeometryOffsetAttribute_default.TOP) {
applyOffset = applyOffset.fill(1, 0, length / 2);
} else {
const offsetValue = options.offsetAttribute === GeometryOffsetAttribute_default.NONE ? 0 : 1;
applyOffset = applyOffset.fill(offsetValue);
}
attributes.applyOffset = new GeometryAttribute_default({
componentDatatype: ComponentDatatype_default.UNSIGNED_BYTE,
componentsPerAttribute: 1,
values: applyOffset
});
}
let numberOfVerticalLines = defaultValue_default(options.numberOfVerticalLines, 16);
numberOfVerticalLines = Math_default.clamp(
numberOfVerticalLines,
0,
length / 2
);
const indices = IndexDatatype_default.createTypedArray(
length,
length * 2 + numberOfVerticalLines * 2
);
length /= 2;
let index = 0;
let i;
for (i = 0; i < length; ++i) {
indices[index++] = i;
indices[index++] = (i + 1) % length;
indices[index++] = i + length;
indices[index++] = (i + 1) % length + length;
}
let numSide;
if (numberOfVerticalLines > 0) {
const numSideLines = Math.min(numberOfVerticalLines, length);
numSide = Math.round(length / numSideLines);
const maxI = Math.min(numSide * numberOfVerticalLines, length);
for (i = 0; i < maxI; i += numSide) {
indices[index++] = i;
indices[index++] = i + length;
}
}
return {
boundingSphere,
attributes,
indices
};
}
function EllipseOutlineGeometry(options) {
options = defaultValue_default(options, defaultValue_default.EMPTY_OBJECT);
const center = options.center;
const ellipsoid = defaultValue_default(options.ellipsoid, Ellipsoid_default.default);
const semiMajorAxis = options.semiMajorAxis;
const semiMinorAxis = options.semiMinorAxis;
const granularity = defaultValue_default(
options.granularity,
Math_default.RADIANS_PER_DEGREE
);
if (!defined_default(center)) {
throw new DeveloperError_default("center is required.");
}
if (!defined_default(semiMajorAxis)) {
throw new DeveloperError_default("semiMajorAxis is required.");
}
if (!defined_default(semiMinorAxis)) {
throw new DeveloperError_default("semiMinorAxis is required.");
}
if (semiMajorAxis < semiMinorAxis) {
throw new DeveloperError_default(
"semiMajorAxis must be greater than or equal to the semiMinorAxis."
);
}
if (granularity <= 0) {
throw new DeveloperError_default("granularity must be greater than zero.");
}
const height = defaultValue_default(options.height, 0);
const extrudedHeight = defaultValue_default(options.extrudedHeight, height);
this._center = Cartesian3_default.clone(center);
this._semiMajorAxis = semiMajorAxis;
this._semiMinorAxis = semiMinorAxis;
this._ellipsoid = Ellipsoid_default.clone(ellipsoid);
this._rotation = defaultValue_default(options.rotation, 0);
this._height = Math.max(extrudedHeight, height);
this._granularity = granularity;
this._extrudedHeight = Math.min(extrudedHeight, height);
this._numberOfVerticalLines = Math.max(
defaultValue_default(options.numberOfVerticalLines, 16),
0
);
this._offsetAttribute = options.offsetAttribute;
this._workerName = "createEllipseOutlineGeometry";
}
EllipseOutlineGeometry.packedLength = Cartesian3_default.packedLength + Ellipsoid_default.packedLength + 8;
EllipseOutlineGeometry.pack = function(value, array, startingIndex) {
if (!defined_default(value)) {
throw new DeveloperError_default("value is required");
}
if (!defined_default(array)) {
throw new DeveloperError_default("array is required");
}
startingIndex = defaultValue_default(startingIndex, 0);
Cartesian3_default.pack(value._center, array, startingIndex);
startingIndex += Cartesian3_default.packedLength;
Ellipsoid_default.pack(value._ellipsoid, array, startingIndex);
startingIndex += Ellipsoid_default.packedLength;
array[startingIndex++] = value._semiMajorAxis;
array[startingIndex++] = value._semiMinorAxis;
array[startingIndex++] = value._rotation;
array[startingIndex++] = value._height;
array[startingIndex++] = value._granularity;
array[startingIndex++] = value._extrudedHeight;
array[startingIndex++] = value._numberOfVerticalLines;
array[startingIndex] = defaultValue_default(value._offsetAttribute, -1);
return array;
};
var scratchCenter = new Cartesian3_default();
var scratchEllipsoid = new Ellipsoid_default();
var scratchOptions = {
center: scratchCenter,
ellipsoid: scratchEllipsoid,
semiMajorAxis: void 0,
semiMinorAxis: void 0,
rotation: void 0,
height: void 0,
granularity: void 0,
extrudedHeight: void 0,
numberOfVerticalLines: void 0,
offsetAttribute: void 0
};
EllipseOutlineGeometry.unpack = function(array, startingIndex, result) {
if (!defined_default(array)) {
throw new DeveloperError_default("array is required");
}
startingIndex = defaultValue_default(startingIndex, 0);
const center = Cartesian3_default.unpack(array, startingIndex, scratchCenter);
startingIndex += Cartesian3_default.packedLength;
const ellipsoid = Ellipsoid_default.unpack(array, startingIndex, scratchEllipsoid);
startingIndex += Ellipsoid_default.packedLength;
const semiMajorAxis = array[startingIndex++];
const semiMinorAxis = array[startingIndex++];
const rotation = array[startingIndex++];
const height = array[startingIndex++];
const granularity = array[startingIndex++];
const extrudedHeight = array[startingIndex++];
const numberOfVerticalLines = array[startingIndex++];
const offsetAttribute = array[startingIndex];
if (!defined_default(result)) {
scratchOptions.height = height;
scratchOptions.extrudedHeight = extrudedHeight;
scratchOptions.granularity = granularity;
scratchOptions.rotation = rotation;
scratchOptions.semiMajorAxis = semiMajorAxis;
scratchOptions.semiMinorAxis = semiMinorAxis;
scratchOptions.numberOfVerticalLines = numberOfVerticalLines;
scratchOptions.offsetAttribute = offsetAttribute === -1 ? void 0 : offsetAttribute;
return new EllipseOutlineGeometry(scratchOptions);
}
result._center = Cartesian3_default.clone(center, result._center);
result._ellipsoid = Ellipsoid_default.clone(ellipsoid, result._ellipsoid);
result._semiMajorAxis = semiMajorAxis;
result._semiMinorAxis = semiMinorAxis;
result._rotation = rotation;
result._height = height;
result._granularity = granularity;
result._extrudedHeight = extrudedHeight;
result._numberOfVerticalLines = numberOfVerticalLines;
result._offsetAttribute = offsetAttribute === -1 ? void 0 : offsetAttribute;
return result;
};
EllipseOutlineGeometry.createGeometry = function(ellipseGeometry) {
if (ellipseGeometry._semiMajorAxis <= 0 || ellipseGeometry._semiMinorAxis <= 0) {
return;
}
const height = ellipseGeometry._height;
const extrudedHeight = ellipseGeometry._extrudedHeight;
const extrude = !Math_default.equalsEpsilon(
height,
extrudedHeight,
0,
Math_default.EPSILON2
);
ellipseGeometry._center = ellipseGeometry._ellipsoid.scaleToGeodeticSurface(
ellipseGeometry._center,
ellipseGeometry._center
);
const options = {
center: ellipseGeometry._center,
semiMajorAxis: ellipseGeometry._semiMajorAxis,
semiMinorAxis: ellipseGeometry._semiMinorAxis,
ellipsoid: ellipseGeometry._ellipsoid,
rotation: ellipseGeometry._rotation,
height,
granularity: ellipseGeometry._granularity,
numberOfVerticalLines: ellipseGeometry._numberOfVerticalLines
};
let geometry;
if (extrude) {
options.extrudedHeight = extrudedHeight;
options.offsetAttribute = ellipseGeometry._offsetAttribute;
geometry = computeExtrudedEllipse(options);
} else {
geometry = computeEllipse(options);
if (defined_default(ellipseGeometry._offsetAttribute)) {
const length = geometry.attributes.position.values.length;
const offsetValue = ellipseGeometry._offsetAttribute === GeometryOffsetAttribute_default.NONE ? 0 : 1;
const applyOffset = new Uint8Array(length / 3).fill(offsetValue);
geometry.attributes.applyOffset = new GeometryAttribute_default({
componentDatatype: ComponentDatatype_default.UNSIGNED_BYTE,
componentsPerAttribute: 1,
values: applyOffset
});
}
}
return new Geometry_default({
attributes: geometry.attributes,
indices: geometry.indices,
primitiveType: PrimitiveType_default.LINES,
boundingSphere: geometry.boundingSphere,
offsetAttribute: ellipseGeometry._offsetAttribute
});
};
var EllipseOutlineGeometry_default = EllipseOutlineGeometry;
export {
EllipseOutlineGeometry_default
};
/**
* @license
* Cesium - https://github.com/CesiumGS/cesium
* Version 1.121.2
*
* Copyright 2011-2022 Cesium Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Columbus View (Pat. Pend.)
*
* Portions licensed separately.
* See https://github.com/CesiumGS/cesium/blob/main/LICENSE.md for full licensing details.
*/
import {
EllipsoidTangentPlane_default
} from "./chunk-YK3QIKY7.js";
import {
Plane_default
} from "./chunk-EDLRS3AW.js";
import {
BoundingSphere_default,
Intersect_default,
Interval_default
} from "./chunk-KHZNBFOH.js";
import {
Matrix4_default,
Rectangle_default
} from "./chunk-6SQMLVGV.js";
import {
Cartesian2_default,
Cartesian3_default,
Cartographic_default,
Ellipsoid_default,
Matrix3_default
} from "./chunk-FFLMY4TE.js";
import {
Math_default
} from "./chunk-WGDFYAGC.js";
import {
defaultValue_default
} from "./chunk-U5HSOKPQ.js";
import {
Check_default,
DeveloperError_default
} from "./chunk-P6TRGU3S.js";
import {
defined_default
} from "./chunk-YCDZX5LS.js";
// packages/engine/Source/Core/OrientedBoundingBox.js
function OrientedBoundingBox(center, halfAxes) {
this.center = Cartesian3_default.clone(defaultValue_default(center, Cartesian3_default.ZERO));
this.halfAxes = Matrix3_default.clone(defaultValue_default(halfAxes, Matrix3_default.ZERO));
}
OrientedBoundingBox.packedLength = Cartesian3_default.packedLength + Matrix3_default.packedLength;
OrientedBoundingBox.pack = function(value, array, startingIndex) {
Check_default.typeOf.object("value", value);
Check_default.defined("array", array);
startingIndex = defaultValue_default(startingIndex, 0);
Cartesian3_default.pack(value.center, array, startingIndex);
Matrix3_default.pack(value.halfAxes, array, startingIndex + Cartesian3_default.packedLength);
return array;
};
OrientedBoundingBox.unpack = function(array, startingIndex, result) {
Check_default.defined("array", array);
startingIndex = defaultValue_default(startingIndex, 0);
if (!defined_default(result)) {
result = new OrientedBoundingBox();
}
Cartesian3_default.unpack(array, startingIndex, result.center);
Matrix3_default.unpack(
array,
startingIndex + Cartesian3_default.packedLength,
result.halfAxes
);
return result;
};
var scratchCartesian1 = new Cartesian3_default();
var scratchCartesian2 = new Cartesian3_default();
var scratchCartesian3 = new Cartesian3_default();
var scratchCartesian4 = new Cartesian3_default();
var scratchCartesian5 = new Cartesian3_default();
var scratchCartesian6 = new Cartesian3_default();
var scratchCovarianceResult = new Matrix3_default();
var scratchEigenResult = {
unitary: new Matrix3_default(),
diagonal: new Matrix3_default()
};
OrientedBoundingBox.fromPoints = function(positions, result) {
if (!defined_default(result)) {
result = new OrientedBoundingBox();
}
if (!defined_default(positions) || positions.length === 0) {
result.halfAxes = Matrix3_default.ZERO;
result.center = Cartesian3_default.ZERO;
return result;
}
let i;
const length = positions.length;
const meanPoint = Cartesian3_default.clone(positions[0], scratchCartesian1);
for (i = 1; i < length; i++) {
Cartesian3_default.add(meanPoint, positions[i], meanPoint);
}
const invLength = 1 / length;
Cartesian3_default.multiplyByScalar(meanPoint, invLength, meanPoint);
let exx = 0;
let exy = 0;
let exz = 0;
let eyy = 0;
let eyz = 0;
let ezz = 0;
let p;
for (i = 0; i < length; i++) {
p = Cartesian3_default.subtract(positions[i], meanPoint, scratchCartesian2);
exx += p.x * p.x;
exy += p.x * p.y;
exz += p.x * p.z;
eyy += p.y * p.y;
eyz += p.y * p.z;
ezz += p.z * p.z;
}
exx *= invLength;
exy *= invLength;
exz *= invLength;
eyy *= invLength;
eyz *= invLength;
ezz *= invLength;
const covarianceMatrix = scratchCovarianceResult;
covarianceMatrix[0] = exx;
covarianceMatrix[1] = exy;
covarianceMatrix[2] = exz;
covarianceMatrix[3] = exy;
covarianceMatrix[4] = eyy;
covarianceMatrix[5] = eyz;
covarianceMatrix[6] = exz;
covarianceMatrix[7] = eyz;
covarianceMatrix[8] = ezz;
const eigenDecomposition = Matrix3_default.computeEigenDecomposition(
covarianceMatrix,
scratchEigenResult
);
const rotation = Matrix3_default.clone(eigenDecomposition.unitary, result.halfAxes);
let v1 = Matrix3_default.getColumn(rotation, 0, scratchCartesian4);
let v2 = Matrix3_default.getColumn(rotation, 1, scratchCartesian5);
let v3 = Matrix3_default.getColumn(rotation, 2, scratchCartesian6);
let u1 = -Number.MAX_VALUE;
let u2 = -Number.MAX_VALUE;
let u3 = -Number.MAX_VALUE;
let l1 = Number.MAX_VALUE;
let l2 = Number.MAX_VALUE;
let l3 = Number.MAX_VALUE;
for (i = 0; i < length; i++) {
p = positions[i];
u1 = Math.max(Cartesian3_default.dot(v1, p), u1);
u2 = Math.max(Cartesian3_default.dot(v2, p), u2);
u3 = Math.max(Cartesian3_default.dot(v3, p), u3);
l1 = Math.min(Cartesian3_default.dot(v1, p), l1);
l2 = Math.min(Cartesian3_default.dot(v2, p), l2);
l3 = Math.min(Cartesian3_default.dot(v3, p), l3);
}
v1 = Cartesian3_default.multiplyByScalar(v1, 0.5 * (l1 + u1), v1);
v2 = Cartesian3_default.multiplyByScalar(v2, 0.5 * (l2 + u2), v2);
v3 = Cartesian3_default.multiplyByScalar(v3, 0.5 * (l3 + u3), v3);
const center = Cartesian3_default.add(v1, v2, result.center);
Cartesian3_default.add(center, v3, center);
const scale = scratchCartesian3;
scale.x = u1 - l1;
scale.y = u2 - l2;
scale.z = u3 - l3;
Cartesian3_default.multiplyByScalar(scale, 0.5, scale);
Matrix3_default.multiplyByScale(result.halfAxes, scale, result.halfAxes);
return result;
};
var scratchOffset = new Cartesian3_default();
var scratchScale = new Cartesian3_default();
function fromPlaneExtents(planeOrigin, planeXAxis, planeYAxis, planeZAxis, minimumX, maximumX, minimumY, maximumY, minimumZ, maximumZ, result) {
if (!defined_default(minimumX) || !defined_default(maximumX) || !defined_default(minimumY) || !defined_default(maximumY) || !defined_default(minimumZ) || !defined_default(maximumZ)) {
throw new DeveloperError_default(
"all extents (minimum/maximum X/Y/Z) are required."
);
}
if (!defined_default(result)) {
result = new OrientedBoundingBox();
}
const halfAxes = result.halfAxes;
Matrix3_default.setColumn(halfAxes, 0, planeXAxis, halfAxes);
Matrix3_default.setColumn(halfAxes, 1, planeYAxis, halfAxes);
Matrix3_default.setColumn(halfAxes, 2, planeZAxis, halfAxes);
let centerOffset = scratchOffset;
centerOffset.x = (minimumX + maximumX) / 2;
centerOffset.y = (minimumY + maximumY) / 2;
centerOffset.z = (minimumZ + maximumZ) / 2;
const scale = scratchScale;
scale.x = (maximumX - minimumX) / 2;
scale.y = (maximumY - minimumY) / 2;
scale.z = (maximumZ - minimumZ) / 2;
const center = result.center;
centerOffset = Matrix3_default.multiplyByVector(halfAxes, centerOffset, centerOffset);
Cartesian3_default.add(planeOrigin, centerOffset, center);
Matrix3_default.multiplyByScale(halfAxes, scale, halfAxes);
return result;
}
var scratchRectangleCenterCartographic = new Cartographic_default();
var scratchRectangleCenter = new Cartesian3_default();
var scratchPerimeterCartographicNC = new Cartographic_default();
var scratchPerimeterCartographicNW = new Cartographic_default();
var scratchPerimeterCartographicCW = new Cartographic_default();
var scratchPerimeterCartographicSW = new Cartographic_default();
var scratchPerimeterCartographicSC = new Cartographic_default();
var scratchPerimeterCartesianNC = new Cartesian3_default();
var scratchPerimeterCartesianNW = new Cartesian3_default();
var scratchPerimeterCartesianCW = new Cartesian3_default();
var scratchPerimeterCartesianSW = new Cartesian3_default();
var scratchPerimeterCartesianSC = new Cartesian3_default();
var scratchPerimeterProjectedNC = new Cartesian2_default();
var scratchPerimeterProjectedNW = new Cartesian2_default();
var scratchPerimeterProjectedCW = new Cartesian2_default();
var scratchPerimeterProjectedSW = new Cartesian2_default();
var scratchPerimeterProjectedSC = new Cartesian2_default();
var scratchPlaneOrigin = new Cartesian3_default();
var scratchPlaneNormal = new Cartesian3_default();
var scratchPlaneXAxis = new Cartesian3_default();
var scratchHorizonCartesian = new Cartesian3_default();
var scratchHorizonProjected = new Cartesian2_default();
var scratchMaxY = new Cartesian3_default();
var scratchMinY = new Cartesian3_default();
var scratchZ = new Cartesian3_default();
var scratchPlane = new Plane_default(Cartesian3_default.UNIT_X, 0);
OrientedBoundingBox.fromRectangle = function(rectangle, minimumHeight, maximumHeight, ellipsoid, result) {
if (!defined_default(rectangle)) {
throw new DeveloperError_default("rectangle is required");
}
if (rectangle.width < 0 || rectangle.width > Math_default.TWO_PI) {
throw new DeveloperError_default("Rectangle width must be between 0 and 2 * pi");
}
if (rectangle.height < 0 || rectangle.height > Math_default.PI) {
throw new DeveloperError_default("Rectangle height must be between 0 and pi");
}
if (defined_default(ellipsoid) && !Math_default.equalsEpsilon(
ellipsoid.radii.x,
ellipsoid.radii.y,
Math_default.EPSILON15
)) {
throw new DeveloperError_default(
"Ellipsoid must be an ellipsoid of revolution (radii.x == radii.y)"
);
}
minimumHeight = defaultValue_default(minimumHeight, 0);
maximumHeight = defaultValue_default(maximumHeight, 0);
ellipsoid = defaultValue_default(ellipsoid, Ellipsoid_default.default);
let minX, maxX, minY, maxY, minZ, maxZ, plane;
if (rectangle.width <= Math_default.PI) {
const tangentPointCartographic = Rectangle_default.center(
rectangle,
scratchRectangleCenterCartographic
);
const tangentPoint = ellipsoid.cartographicToCartesian(
tangentPointCartographic,
scratchRectangleCenter
);
const tangentPlane = new EllipsoidTangentPlane_default(tangentPoint, ellipsoid);
plane = tangentPlane.plane;
const lonCenter = tangentPointCartographic.longitude;
const latCenter = rectangle.south < 0 && rectangle.north > 0 ? 0 : tangentPointCartographic.latitude;
const perimeterCartographicNC = Cartographic_default.fromRadians(
lonCenter,
rectangle.north,
maximumHeight,
scratchPerimeterCartographicNC
);
const perimeterCartographicNW = Cartographic_default.fromRadians(
rectangle.west,
rectangle.north,
maximumHeight,
scratchPerimeterCartographicNW
);
const perimeterCartographicCW = Cartographic_default.fromRadians(
rectangle.west,
latCenter,
maximumHeight,
scratchPerimeterCartographicCW
);
const perimeterCartographicSW = Cartographic_default.fromRadians(
rectangle.west,
rectangle.south,
maximumHeight,
scratchPerimeterCartographicSW
);
const perimeterCartographicSC = Cartographic_default.fromRadians(
lonCenter,
rectangle.south,
maximumHeight,
scratchPerimeterCartographicSC
);
const perimeterCartesianNC = ellipsoid.cartographicToCartesian(
perimeterCartographicNC,
scratchPerimeterCartesianNC
);
let perimeterCartesianNW = ellipsoid.cartographicToCartesian(
perimeterCartographicNW,
scratchPerimeterCartesianNW
);
const perimeterCartesianCW = ellipsoid.cartographicToCartesian(
perimeterCartographicCW,
scratchPerimeterCartesianCW
);
let perimeterCartesianSW = ellipsoid.cartographicToCartesian(
perimeterCartographicSW,
scratchPerimeterCartesianSW
);
const perimeterCartesianSC = ellipsoid.cartographicToCartesian(
perimeterCartographicSC,
scratchPerimeterCartesianSC
);
const perimeterProjectedNC = tangentPlane.projectPointToNearestOnPlane(
perimeterCartesianNC,
scratchPerimeterProjectedNC
);
const perimeterProjectedNW = tangentPlane.projectPointToNearestOnPlane(
perimeterCartesianNW,
scratchPerimeterProjectedNW
);
const perimeterProjectedCW = tangentPlane.projectPointToNearestOnPlane(
perimeterCartesianCW,
scratchPerimeterProjectedCW
);
const perimeterProjectedSW = tangentPlane.projectPointToNearestOnPlane(
perimeterCartesianSW,
scratchPerimeterProjectedSW
);
const perimeterProjectedSC = tangentPlane.projectPointToNearestOnPlane(
perimeterCartesianSC,
scratchPerimeterProjectedSC
);
minX = Math.min(
perimeterProjectedNW.x,
perimeterProjectedCW.x,
perimeterProjectedSW.x
);
maxX = -minX;
maxY = Math.max(perimeterProjectedNW.y, perimeterProjectedNC.y);
minY = Math.min(perimeterProjectedSW.y, perimeterProjectedSC.y);
perimeterCartographicNW.height = perimeterCartographicSW.height = minimumHeight;
perimeterCartesianNW = ellipsoid.cartographicToCartesian(
perimeterCartographicNW,
scratchPerimeterCartesianNW
);
perimeterCartesianSW = ellipsoid.cartographicToCartesian(
perimeterCartographicSW,
scratchPerimeterCartesianSW
);
minZ = Math.min(
Plane_default.getPointDistance(plane, perimeterCartesianNW),
Plane_default.getPointDistance(plane, perimeterCartesianSW)
);
maxZ = maximumHeight;
return fromPlaneExtents(
tangentPlane.origin,
tangentPlane.xAxis,
tangentPlane.yAxis,
tangentPlane.zAxis,
minX,
maxX,
minY,
maxY,
minZ,
maxZ,
result
);
}
const fullyAboveEquator = rectangle.south > 0;
const fullyBelowEquator = rectangle.north < 0;
const latitudeNearestToEquator = fullyAboveEquator ? rectangle.south : fullyBelowEquator ? rectangle.north : 0;
const centerLongitude = Rectangle_default.center(
rectangle,
scratchRectangleCenterCartographic
).longitude;
const planeOrigin = Cartesian3_default.fromRadians(
centerLongitude,
latitudeNearestToEquator,
maximumHeight,
ellipsoid,
scratchPlaneOrigin
);
planeOrigin.z = 0;
const isPole = Math.abs(planeOrigin.x) < Math_default.EPSILON10 && Math.abs(planeOrigin.y) < Math_default.EPSILON10;
const planeNormal = !isPole ? Cartesian3_default.normalize(planeOrigin, scratchPlaneNormal) : Cartesian3_default.UNIT_X;
const planeYAxis = Cartesian3_default.UNIT_Z;
const planeXAxis = Cartesian3_default.cross(
planeNormal,
planeYAxis,
scratchPlaneXAxis
);
plane = Plane_default.fromPointNormal(planeOrigin, planeNormal, scratchPlane);
const horizonCartesian = Cartesian3_default.fromRadians(
centerLongitude + Math_default.PI_OVER_TWO,
latitudeNearestToEquator,
maximumHeight,
ellipsoid,
scratchHorizonCartesian
);
maxX = Cartesian3_default.dot(
Plane_default.projectPointOntoPlane(
plane,
horizonCartesian,
scratchHorizonProjected
),
planeXAxis
);
minX = -maxX;
maxY = Cartesian3_default.fromRadians(
0,
rectangle.north,
fullyBelowEquator ? minimumHeight : maximumHeight,
ellipsoid,
scratchMaxY
).z;
minY = Cartesian3_default.fromRadians(
0,
rectangle.south,
fullyAboveEquator ? minimumHeight : maximumHeight,
ellipsoid,
scratchMinY
).z;
const farZ = Cartesian3_default.fromRadians(
rectangle.east,
latitudeNearestToEquator,
maximumHeight,
ellipsoid,
scratchZ
);
minZ = Plane_default.getPointDistance(plane, farZ);
maxZ = 0;
return fromPlaneExtents(
planeOrigin,
planeXAxis,
planeYAxis,
planeNormal,
minX,
maxX,
minY,
maxY,
minZ,
maxZ,
result
);
};
OrientedBoundingBox.fromTransformation = function(transformation, result) {
Check_default.typeOf.object("transformation", transformation);
if (!defined_default(result)) {
result = new OrientedBoundingBox();
}
result.center = Matrix4_default.getTranslation(transformation, result.center);
result.halfAxes = Matrix4_default.getMatrix3(transformation, result.halfAxes);
result.halfAxes = Matrix3_default.multiplyByScalar(
result.halfAxes,
0.5,
result.halfAxes
);
return result;
};
OrientedBoundingBox.clone = function(box, result) {
if (!defined_default(box)) {
return void 0;
}
if (!defined_default(result)) {
return new OrientedBoundingBox(box.center, box.halfAxes);
}
Cartesian3_default.clone(box.center, result.center);
Matrix3_default.clone(box.halfAxes, result.halfAxes);
return result;
};
OrientedBoundingBox.intersectPlane = function(box, plane) {
if (!defined_default(box)) {
throw new DeveloperError_default("box is required.");
}
if (!defined_default(plane)) {
throw new DeveloperError_default("plane is required.");
}
const center = box.center;
const normal = plane.normal;
const halfAxes = box.halfAxes;
const normalX = normal.x, normalY = normal.y, normalZ = normal.z;
const radEffective = Math.abs(
normalX * halfAxes[Matrix3_default.COLUMN0ROW0] + normalY * halfAxes[Matrix3_default.COLUMN0ROW1] + normalZ * halfAxes[Matrix3_default.COLUMN0ROW2]
) + Math.abs(
normalX * halfAxes[Matrix3_default.COLUMN1ROW0] + normalY * halfAxes[Matrix3_default.COLUMN1ROW1] + normalZ * halfAxes[Matrix3_default.COLUMN1ROW2]
) + Math.abs(
normalX * halfAxes[Matrix3_default.COLUMN2ROW0] + normalY * halfAxes[Matrix3_default.COLUMN2ROW1] + normalZ * halfAxes[Matrix3_default.COLUMN2ROW2]
);
const distanceToPlane = Cartesian3_default.dot(normal, center) + plane.distance;
if (distanceToPlane <= -radEffective) {
return Intersect_default.OUTSIDE;
} else if (distanceToPlane >= radEffective) {
return Intersect_default.INSIDE;
}
return Intersect_default.INTERSECTING;
};
var scratchCartesianU = new Cartesian3_default();
var scratchCartesianV = new Cartesian3_default();
var scratchCartesianW = new Cartesian3_default();
var scratchValidAxis2 = new Cartesian3_default();
var scratchValidAxis3 = new Cartesian3_default();
var scratchPPrime = new Cartesian3_default();
OrientedBoundingBox.distanceSquaredTo = function(box, cartesian) {
if (!defined_default(box)) {
throw new DeveloperError_default("box is required.");
}
if (!defined_default(cartesian)) {
throw new DeveloperError_default("cartesian is required.");
}
const offset = Cartesian3_default.subtract(cartesian, box.center, scratchOffset);
const halfAxes = box.halfAxes;
let u = Matrix3_default.getColumn(halfAxes, 0, scratchCartesianU);
let v = Matrix3_default.getColumn(halfAxes, 1, scratchCartesianV);
let w = Matrix3_default.getColumn(halfAxes, 2, scratchCartesianW);
const uHalf = Cartesian3_default.magnitude(u);
const vHalf = Cartesian3_default.magnitude(v);
const wHalf = Cartesian3_default.magnitude(w);
let uValid = true;
let vValid = true;
let wValid = true;
if (uHalf > 0) {
Cartesian3_default.divideByScalar(u, uHalf, u);
} else {
uValid = false;
}
if (vHalf > 0) {
Cartesian3_default.divideByScalar(v, vHalf, v);
} else {
vValid = false;
}
if (wHalf > 0) {
Cartesian3_default.divideByScalar(w, wHalf, w);
} else {
wValid = false;
}
const numberOfDegenerateAxes = !uValid + !vValid + !wValid;
let validAxis1;
let validAxis2;
let validAxis3;
if (numberOfDegenerateAxes === 1) {
let degenerateAxis = u;
validAxis1 = v;
validAxis2 = w;
if (!vValid) {
degenerateAxis = v;
validAxis1 = u;
} else if (!wValid) {
degenerateAxis = w;
validAxis2 = u;
}
validAxis3 = Cartesian3_default.cross(validAxis1, validAxis2, scratchValidAxis3);
if (degenerateAxis === u) {
u = validAxis3;
} else if (degenerateAxis === v) {
v = validAxis3;
} else if (degenerateAxis === w) {
w = validAxis3;
}
} else if (numberOfDegenerateAxes === 2) {
validAxis1 = u;
if (vValid) {
validAxis1 = v;
} else if (wValid) {
validAxis1 = w;
}
let crossVector = Cartesian3_default.UNIT_Y;
if (crossVector.equalsEpsilon(validAxis1, Math_default.EPSILON3)) {
crossVector = Cartesian3_default.UNIT_X;
}
validAxis2 = Cartesian3_default.cross(validAxis1, crossVector, scratchValidAxis2);
Cartesian3_default.normalize(validAxis2, validAxis2);
validAxis3 = Cartesian3_default.cross(validAxis1, validAxis2, scratchValidAxis3);
Cartesian3_default.normalize(validAxis3, validAxis3);
if (validAxis1 === u) {
v = validAxis2;
w = validAxis3;
} else if (validAxis1 === v) {
w = validAxis2;
u = validAxis3;
} else if (validAxis1 === w) {
u = validAxis2;
v = validAxis3;
}
} else if (numberOfDegenerateAxes === 3) {
u = Cartesian3_default.UNIT_X;
v = Cartesian3_default.UNIT_Y;
w = Cartesian3_default.UNIT_Z;
}
const pPrime = scratchPPrime;
pPrime.x = Cartesian3_default.dot(offset, u);
pPrime.y = Cartesian3_default.dot(offset, v);
pPrime.z = Cartesian3_default.dot(offset, w);
let distanceSquared = 0;
let d;
if (pPrime.x < -uHalf) {
d = pPrime.x + uHalf;
distanceSquared += d * d;
} else if (pPrime.x > uHalf) {
d = pPrime.x - uHalf;
distanceSquared += d * d;
}
if (pPrime.y < -vHalf) {
d = pPrime.y + vHalf;
distanceSquared += d * d;
} else if (pPrime.y > vHalf) {
d = pPrime.y - vHalf;
distanceSquared += d * d;
}
if (pPrime.z < -wHalf) {
d = pPrime.z + wHalf;
distanceSquared += d * d;
} else if (pPrime.z > wHalf) {
d = pPrime.z - wHalf;
distanceSquared += d * d;
}
return distanceSquared;
};
var scratchCorner = new Cartesian3_default();
var scratchToCenter = new Cartesian3_default();
OrientedBoundingBox.computePlaneDistances = function(box, position, direction, result) {
if (!defined_default(box)) {
throw new DeveloperError_default("box is required.");
}
if (!defined_default(position)) {
throw new DeveloperError_default("position is required.");
}
if (!defined_default(direction)) {
throw new DeveloperError_default("direction is required.");
}
if (!defined_default(result)) {
result = new Interval_default();
}
let minDist = Number.POSITIVE_INFINITY;
let maxDist = Number.NEGATIVE_INFINITY;
const center = box.center;
const halfAxes = box.halfAxes;
const u = Matrix3_default.getColumn(halfAxes, 0, scratchCartesianU);
const v = Matrix3_default.getColumn(halfAxes, 1, scratchCartesianV);
const w = Matrix3_default.getColumn(halfAxes, 2, scratchCartesianW);
const corner = Cartesian3_default.add(u, v, scratchCorner);
Cartesian3_default.add(corner, w, corner);
Cartesian3_default.add(corner, center, corner);
const toCenter = Cartesian3_default.subtract(corner, position, scratchToCenter);
let mag = Cartesian3_default.dot(direction, toCenter);
minDist = Math.min(mag, minDist);
maxDist = Math.max(mag, maxDist);
Cartesian3_default.add(center, u, corner);
Cartesian3_default.add(corner, v, corner);
Cartesian3_default.subtract(corner, w, corner);
Cartesian3_default.subtract(corner, position, toCenter);
mag = Cartesian3_default.dot(direction, toCenter);
minDist = Math.min(mag, minDist);
maxDist = Math.max(mag, maxDist);
Cartesian3_default.add(center, u, corner);
Cartesian3_default.subtract(corner, v, corner);
Cartesian3_default.add(corner, w, corner);
Cartesian3_default.subtract(corner, position, toCenter);
mag = Cartesian3_default.dot(direction, toCenter);
minDist = Math.min(mag, minDist);
maxDist = Math.max(mag, maxDist);
Cartesian3_default.add(center, u, corner);
Cartesian3_default.subtract(corner, v, corner);
Cartesian3_default.subtract(corner, w, corner);
Cartesian3_default.subtract(corner, position, toCenter);
mag = Cartesian3_default.dot(direction, toCenter);
minDist = Math.min(mag, minDist);
maxDist = Math.max(mag, maxDist);
Cartesian3_default.subtract(center, u, corner);
Cartesian3_default.add(corner, v, corner);
Cartesian3_default.add(corner, w, corner);
Cartesian3_default.subtract(corner, position, toCenter);
mag = Cartesian3_default.dot(direction, toCenter);
minDist = Math.min(mag, minDist);
maxDist = Math.max(mag, maxDist);
Cartesian3_default.subtract(center, u, corner);
Cartesian3_default.add(corner, v, corner);
Cartesian3_default.subtract(corner, w, corner);
Cartesian3_default.subtract(corner, position, toCenter);
mag = Cartesian3_default.dot(direction, toCenter);
minDist = Math.min(mag, minDist);
maxDist = Math.max(mag, maxDist);
Cartesian3_default.subtract(center, u, corner);
Cartesian3_default.subtract(corner, v, corner);
Cartesian3_default.add(corner, w, corner);
Cartesian3_default.subtract(corner, position, toCenter);
mag = Cartesian3_default.dot(direction, toCenter);
minDist = Math.min(mag, minDist);
maxDist = Math.max(mag, maxDist);
Cartesian3_default.subtract(center, u, corner);
Cartesian3_default.subtract(corner, v, corner);
Cartesian3_default.subtract(corner, w, corner);
Cartesian3_default.subtract(corner, position, toCenter);
mag = Cartesian3_default.dot(direction, toCenter);
minDist = Math.min(mag, minDist);
maxDist = Math.max(mag, maxDist);
result.start = minDist;
result.stop = maxDist;
return result;
};
var scratchXAxis = new Cartesian3_default();
var scratchYAxis = new Cartesian3_default();
var scratchZAxis = new Cartesian3_default();
OrientedBoundingBox.computeCorners = function(box, result) {
Check_default.typeOf.object("box", box);
if (!defined_default(result)) {
result = [
new Cartesian3_default(),
new Cartesian3_default(),
new Cartesian3_default(),
new Cartesian3_default(),
new Cartesian3_default(),
new Cartesian3_default(),
new Cartesian3_default(),
new Cartesian3_default()
];
}
const center = box.center;
const halfAxes = box.halfAxes;
const xAxis = Matrix3_default.getColumn(halfAxes, 0, scratchXAxis);
const yAxis = Matrix3_default.getColumn(halfAxes, 1, scratchYAxis);
const zAxis = Matrix3_default.getColumn(halfAxes, 2, scratchZAxis);
Cartesian3_default.clone(center, result[0]);
Cartesian3_default.subtract(result[0], xAxis, result[0]);
Cartesian3_default.subtract(result[0], yAxis, result[0]);
Cartesian3_default.subtract(result[0], zAxis, result[0]);
Cartesian3_default.clone(center, result[1]);
Cartesian3_default.subtract(result[1], xAxis, result[1]);
Cartesian3_default.subtract(result[1], yAxis, result[1]);
Cartesian3_default.add(result[1], zAxis, result[1]);
Cartesian3_default.clone(center, result[2]);
Cartesian3_default.subtract(result[2], xAxis, result[2]);
Cartesian3_default.add(result[2], yAxis, result[2]);
Cartesian3_default.subtract(result[2], zAxis, result[2]);
Cartesian3_default.clone(center, result[3]);
Cartesian3_default.subtract(result[3], xAxis, result[3]);
Cartesian3_default.add(result[3], yAxis, result[3]);
Cartesian3_default.add(result[3], zAxis, result[3]);
Cartesian3_default.clone(center, result[4]);
Cartesian3_default.add(result[4], xAxis, result[4]);
Cartesian3_default.subtract(result[4], yAxis, result[4]);
Cartesian3_default.subtract(result[4], zAxis, result[4]);
Cartesian3_default.clone(center, result[5]);
Cartesian3_default.add(result[5], xAxis, result[5]);
Cartesian3_default.subtract(result[5], yAxis, result[5]);
Cartesian3_default.add(result[5], zAxis, result[5]);
Cartesian3_default.clone(center, result[6]);
Cartesian3_default.add(result[6], xAxis, result[6]);
Cartesian3_default.add(result[6], yAxis, result[6]);
Cartesian3_default.subtract(result[6], zAxis, result[6]);
Cartesian3_default.clone(center, result[7]);
Cartesian3_default.add(result[7], xAxis, result[7]);
Cartesian3_default.add(result[7], yAxis, result[7]);
Cartesian3_default.add(result[7], zAxis, result[7]);
return result;
};
var scratchRotationScale = new Matrix3_default();
OrientedBoundingBox.computeTransformation = function(box, result) {
Check_default.typeOf.object("box", box);
if (!defined_default(result)) {
result = new Matrix4_default();
}
const translation = box.center;
const rotationScale = Matrix3_default.multiplyByUniformScale(
box.halfAxes,
2,
scratchRotationScale
);
return Matrix4_default.fromRotationTranslation(rotationScale, translation, result);
};
var scratchBoundingSphere = new BoundingSphere_default();
OrientedBoundingBox.isOccluded = function(box, occluder) {
if (!defined_default(box)) {
throw new DeveloperError_default("box is required.");
}
if (!defined_default(occluder)) {
throw new DeveloperError_default("occluder is required.");
}
const sphere = BoundingSphere_default.fromOrientedBoundingBox(
box,
scratchBoundingSphere
);
return !occluder.isBoundingSphereVisible(sphere);
};
OrientedBoundingBox.prototype.intersectPlane = function(plane) {
return OrientedBoundingBox.intersectPlane(this, plane);
};
OrientedBoundingBox.prototype.distanceSquaredTo = function(cartesian) {
return OrientedBoundingBox.distanceSquaredTo(this, cartesian);
};
OrientedBoundingBox.prototype.computePlaneDistances = function(position, direction, result) {
return OrientedBoundingBox.computePlaneDistances(
this,
position,
direction,
result
);
};
OrientedBoundingBox.prototype.computeCorners = function(result) {
return OrientedBoundingBox.computeCorners(this, result);
};
OrientedBoundingBox.prototype.computeTransformation = function(result) {
return OrientedBoundingBox.computeTransformation(this, result);
};
OrientedBoundingBox.prototype.isOccluded = function(occluder) {
return OrientedBoundingBox.isOccluded(this, occluder);
};
OrientedBoundingBox.equals = function(left, right) {
return left === right || defined_default(left) && defined_default(right) && Cartesian3_default.equals(left.center, right.center) && Matrix3_default.equals(left.halfAxes, right.halfAxes);
};
OrientedBoundingBox.prototype.clone = function(result) {
return OrientedBoundingBox.clone(this, result);
};
OrientedBoundingBox.prototype.equals = function(right) {
return OrientedBoundingBox.equals(this, right);
};
var OrientedBoundingBox_default = OrientedBoundingBox;
export {
OrientedBoundingBox_default
};
/**
* @license
* Cesium - https://github.com/CesiumGS/cesium
* Version 1.121.2
*
* Copyright 2011-2022 Cesium Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Columbus View (Pat. Pend.)
*
* Portions licensed separately.
* See https://github.com/CesiumGS/cesium/blob/main/LICENSE.md for full licensing details.
*/
// packages/engine/Source/Core/WebGLConstants.js
var WebGLConstants = {
DEPTH_BUFFER_BIT: 256,
STENCIL_BUFFER_BIT: 1024,
COLOR_BUFFER_BIT: 16384,
POINTS: 0,
LINES: 1,
LINE_LOOP: 2,
LINE_STRIP: 3,
TRIANGLES: 4,
TRIANGLE_STRIP: 5,
TRIANGLE_FAN: 6,
ZERO: 0,
ONE: 1,
SRC_COLOR: 768,
ONE_MINUS_SRC_COLOR: 769,
SRC_ALPHA: 770,
ONE_MINUS_SRC_ALPHA: 771,
DST_ALPHA: 772,
ONE_MINUS_DST_ALPHA: 773,
DST_COLOR: 774,
ONE_MINUS_DST_COLOR: 775,
SRC_ALPHA_SATURATE: 776,
FUNC_ADD: 32774,
BLEND_EQUATION: 32777,
BLEND_EQUATION_RGB: 32777,
// same as BLEND_EQUATION
BLEND_EQUATION_ALPHA: 34877,
FUNC_SUBTRACT: 32778,
FUNC_REVERSE_SUBTRACT: 32779,
BLEND_DST_RGB: 32968,
BLEND_SRC_RGB: 32969,
BLEND_DST_ALPHA: 32970,
BLEND_SRC_ALPHA: 32971,
CONSTANT_COLOR: 32769,
ONE_MINUS_CONSTANT_COLOR: 32770,
CONSTANT_ALPHA: 32771,
ONE_MINUS_CONSTANT_ALPHA: 32772,
BLEND_COLOR: 32773,
ARRAY_BUFFER: 34962,
ELEMENT_ARRAY_BUFFER: 34963,
ARRAY_BUFFER_BINDING: 34964,
ELEMENT_ARRAY_BUFFER_BINDING: 34965,
STREAM_DRAW: 35040,
STATIC_DRAW: 35044,
DYNAMIC_DRAW: 35048,
BUFFER_SIZE: 34660,
BUFFER_USAGE: 34661,
CURRENT_VERTEX_ATTRIB: 34342,
FRONT: 1028,
BACK: 1029,
FRONT_AND_BACK: 1032,
CULL_FACE: 2884,
BLEND: 3042,
DITHER: 3024,
STENCIL_TEST: 2960,
DEPTH_TEST: 2929,
SCISSOR_TEST: 3089,
POLYGON_OFFSET_FILL: 32823,
SAMPLE_ALPHA_TO_COVERAGE: 32926,
SAMPLE_COVERAGE: 32928,
NO_ERROR: 0,
INVALID_ENUM: 1280,
INVALID_VALUE: 1281,
INVALID_OPERATION: 1282,
OUT_OF_MEMORY: 1285,
CW: 2304,
CCW: 2305,
LINE_WIDTH: 2849,
ALIASED_POINT_SIZE_RANGE: 33901,
ALIASED_LINE_WIDTH_RANGE: 33902,
CULL_FACE_MODE: 2885,
FRONT_FACE: 2886,
DEPTH_RANGE: 2928,
DEPTH_WRITEMASK: 2930,
DEPTH_CLEAR_VALUE: 2931,
DEPTH_FUNC: 2932,
STENCIL_CLEAR_VALUE: 2961,
STENCIL_FUNC: 2962,
STENCIL_FAIL: 2964,
STENCIL_PASS_DEPTH_FAIL: 2965,
STENCIL_PASS_DEPTH_PASS: 2966,
STENCIL_REF: 2967,
STENCIL_VALUE_MASK: 2963,
STENCIL_WRITEMASK: 2968,
STENCIL_BACK_FUNC: 34816,
STENCIL_BACK_FAIL: 34817,
STENCIL_BACK_PASS_DEPTH_FAIL: 34818,
STENCIL_BACK_PASS_DEPTH_PASS: 34819,
STENCIL_BACK_REF: 36003,
STENCIL_BACK_VALUE_MASK: 36004,
STENCIL_BACK_WRITEMASK: 36005,
VIEWPORT: 2978,
SCISSOR_BOX: 3088,
COLOR_CLEAR_VALUE: 3106,
COLOR_WRITEMASK: 3107,
UNPACK_ALIGNMENT: 3317,
PACK_ALIGNMENT: 3333,
MAX_TEXTURE_SIZE: 3379,
MAX_VIEWPORT_DIMS: 3386,
SUBPIXEL_BITS: 3408,
RED_BITS: 3410,
GREEN_BITS: 3411,
BLUE_BITS: 3412,
ALPHA_BITS: 3413,
DEPTH_BITS: 3414,
STENCIL_BITS: 3415,
POLYGON_OFFSET_UNITS: 10752,
POLYGON_OFFSET_FACTOR: 32824,
TEXTURE_BINDING_2D: 32873,
SAMPLE_BUFFERS: 32936,
SAMPLES: 32937,
SAMPLE_COVERAGE_VALUE: 32938,
SAMPLE_COVERAGE_INVERT: 32939,
COMPRESSED_TEXTURE_FORMATS: 34467,
DONT_CARE: 4352,
FASTEST: 4353,
NICEST: 4354,
GENERATE_MIPMAP_HINT: 33170,
BYTE: 5120,
UNSIGNED_BYTE: 5121,
SHORT: 5122,
UNSIGNED_SHORT: 5123,
INT: 5124,
UNSIGNED_INT: 5125,
FLOAT: 5126,
DEPTH_COMPONENT: 6402,
ALPHA: 6406,
RGB: 6407,
RGBA: 6408,
LUMINANCE: 6409,
LUMINANCE_ALPHA: 6410,
UNSIGNED_SHORT_4_4_4_4: 32819,
UNSIGNED_SHORT_5_5_5_1: 32820,
UNSIGNED_SHORT_5_6_5: 33635,
FRAGMENT_SHADER: 35632,
VERTEX_SHADER: 35633,
MAX_VERTEX_ATTRIBS: 34921,
MAX_VERTEX_UNIFORM_VECTORS: 36347,
MAX_VARYING_VECTORS: 36348,
MAX_COMBINED_TEXTURE_IMAGE_UNITS: 35661,
MAX_VERTEX_TEXTURE_IMAGE_UNITS: 35660,
MAX_TEXTURE_IMAGE_UNITS: 34930,
MAX_FRAGMENT_UNIFORM_VECTORS: 36349,
SHADER_TYPE: 35663,
DELETE_STATUS: 35712,
LINK_STATUS: 35714,
VALIDATE_STATUS: 35715,
ATTACHED_SHADERS: 35717,
ACTIVE_UNIFORMS: 35718,
ACTIVE_ATTRIBUTES: 35721,
SHADING_LANGUAGE_VERSION: 35724,
CURRENT_PROGRAM: 35725,
NEVER: 512,
LESS: 513,
EQUAL: 514,
LEQUAL: 515,
GREATER: 516,
NOTEQUAL: 517,
GEQUAL: 518,
ALWAYS: 519,
KEEP: 7680,
REPLACE: 7681,
INCR: 7682,
DECR: 7683,
INVERT: 5386,
INCR_WRAP: 34055,
DECR_WRAP: 34056,
VENDOR: 7936,
RENDERER: 7937,
VERSION: 7938,
NEAREST: 9728,
LINEAR: 9729,
NEAREST_MIPMAP_NEAREST: 9984,
LINEAR_MIPMAP_NEAREST: 9985,
NEAREST_MIPMAP_LINEAR: 9986,
LINEAR_MIPMAP_LINEAR: 9987,
TEXTURE_MAG_FILTER: 10240,
TEXTURE_MIN_FILTER: 10241,
TEXTURE_WRAP_S: 10242,
TEXTURE_WRAP_T: 10243,
TEXTURE_2D: 3553,
TEXTURE: 5890,
TEXTURE_CUBE_MAP: 34067,
TEXTURE_BINDING_CUBE_MAP: 34068,
TEXTURE_CUBE_MAP_POSITIVE_X: 34069,
TEXTURE_CUBE_MAP_NEGATIVE_X: 34070,
TEXTURE_CUBE_MAP_POSITIVE_Y: 34071,
TEXTURE_CUBE_MAP_NEGATIVE_Y: 34072,
TEXTURE_CUBE_MAP_POSITIVE_Z: 34073,
TEXTURE_CUBE_MAP_NEGATIVE_Z: 34074,
MAX_CUBE_MAP_TEXTURE_SIZE: 34076,
TEXTURE0: 33984,
TEXTURE1: 33985,
TEXTURE2: 33986,
TEXTURE3: 33987,
TEXTURE4: 33988,
TEXTURE5: 33989,
TEXTURE6: 33990,
TEXTURE7: 33991,
TEXTURE8: 33992,
TEXTURE9: 33993,
TEXTURE10: 33994,
TEXTURE11: 33995,
TEXTURE12: 33996,
TEXTURE13: 33997,
TEXTURE14: 33998,
TEXTURE15: 33999,
TEXTURE16: 34e3,
TEXTURE17: 34001,
TEXTURE18: 34002,
TEXTURE19: 34003,
TEXTURE20: 34004,
TEXTURE21: 34005,
TEXTURE22: 34006,
TEXTURE23: 34007,
TEXTURE24: 34008,
TEXTURE25: 34009,
TEXTURE26: 34010,
TEXTURE27: 34011,
TEXTURE28: 34012,
TEXTURE29: 34013,
TEXTURE30: 34014,
TEXTURE31: 34015,
ACTIVE_TEXTURE: 34016,
REPEAT: 10497,
CLAMP_TO_EDGE: 33071,
MIRRORED_REPEAT: 33648,
FLOAT_VEC2: 35664,
FLOAT_VEC3: 35665,
FLOAT_VEC4: 35666,
INT_VEC2: 35667,
INT_VEC3: 35668,
INT_VEC4: 35669,
BOOL: 35670,
BOOL_VEC2: 35671,
BOOL_VEC3: 35672,
BOOL_VEC4: 35673,
FLOAT_MAT2: 35674,
FLOAT_MAT3: 35675,
FLOAT_MAT4: 35676,
SAMPLER_2D: 35678,
SAMPLER_CUBE: 35680,
VERTEX_ATTRIB_ARRAY_ENABLED: 34338,
VERTEX_ATTRIB_ARRAY_SIZE: 34339,
VERTEX_ATTRIB_ARRAY_STRIDE: 34340,
VERTEX_ATTRIB_ARRAY_TYPE: 34341,
VERTEX_ATTRIB_ARRAY_NORMALIZED: 34922,
VERTEX_ATTRIB_ARRAY_POINTER: 34373,
VERTEX_ATTRIB_ARRAY_BUFFER_BINDING: 34975,
IMPLEMENTATION_COLOR_READ_TYPE: 35738,
IMPLEMENTATION_COLOR_READ_FORMAT: 35739,
COMPILE_STATUS: 35713,
LOW_FLOAT: 36336,
MEDIUM_FLOAT: 36337,
HIGH_FLOAT: 36338,
LOW_INT: 36339,
MEDIUM_INT: 36340,
HIGH_INT: 36341,
FRAMEBUFFER: 36160,
RENDERBUFFER: 36161,
RGBA4: 32854,
RGB5_A1: 32855,
RGB565: 36194,
DEPTH_COMPONENT16: 33189,
STENCIL_INDEX: 6401,
STENCIL_INDEX8: 36168,
DEPTH_STENCIL: 34041,
RENDERBUFFER_WIDTH: 36162,
RENDERBUFFER_HEIGHT: 36163,
RENDERBUFFER_INTERNAL_FORMAT: 36164,
RENDERBUFFER_RED_SIZE: 36176,
RENDERBUFFER_GREEN_SIZE: 36177,
RENDERBUFFER_BLUE_SIZE: 36178,
RENDERBUFFER_ALPHA_SIZE: 36179,
RENDERBUFFER_DEPTH_SIZE: 36180,
RENDERBUFFER_STENCIL_SIZE: 36181,
FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE: 36048,
FRAMEBUFFER_ATTACHMENT_OBJECT_NAME: 36049,
FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL: 36050,
FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE: 36051,
COLOR_ATTACHMENT0: 36064,
DEPTH_ATTACHMENT: 36096,
STENCIL_ATTACHMENT: 36128,
DEPTH_STENCIL_ATTACHMENT: 33306,
NONE: 0,
FRAMEBUFFER_COMPLETE: 36053,
FRAMEBUFFER_INCOMPLETE_ATTACHMENT: 36054,
FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT: 36055,
FRAMEBUFFER_INCOMPLETE_DIMENSIONS: 36057,
FRAMEBUFFER_UNSUPPORTED: 36061,
FRAMEBUFFER_BINDING: 36006,
RENDERBUFFER_BINDING: 36007,
MAX_RENDERBUFFER_SIZE: 34024,
INVALID_FRAMEBUFFER_OPERATION: 1286,
UNPACK_FLIP_Y_WEBGL: 37440,
UNPACK_PREMULTIPLY_ALPHA_WEBGL: 37441,
CONTEXT_LOST_WEBGL: 37442,
UNPACK_COLORSPACE_CONVERSION_WEBGL: 37443,
BROWSER_DEFAULT_WEBGL: 37444,
// WEBGL_compressed_texture_s3tc
COMPRESSED_RGB_S3TC_DXT1_EXT: 33776,
COMPRESSED_RGBA_S3TC_DXT1_EXT: 33777,
COMPRESSED_RGBA_S3TC_DXT3_EXT: 33778,
COMPRESSED_RGBA_S3TC_DXT5_EXT: 33779,
// WEBGL_compressed_texture_pvrtc
COMPRESSED_RGB_PVRTC_4BPPV1_IMG: 35840,
COMPRESSED_RGB_PVRTC_2BPPV1_IMG: 35841,
COMPRESSED_RGBA_PVRTC_4BPPV1_IMG: 35842,
COMPRESSED_RGBA_PVRTC_2BPPV1_IMG: 35843,
// WEBGL_compressed_texture_astc
COMPRESSED_RGBA_ASTC_4x4_WEBGL: 37808,
// WEBGL_compressed_texture_etc1
COMPRESSED_RGB_ETC1_WEBGL: 36196,
// EXT_texture_compression_bptc
COMPRESSED_RGBA_BPTC_UNORM: 36492,
// EXT_color_buffer_half_float
HALF_FLOAT_OES: 36193,
// Desktop OpenGL
DOUBLE: 5130,
// WebGL 2
READ_BUFFER: 3074,
UNPACK_ROW_LENGTH: 3314,
UNPACK_SKIP_ROWS: 3315,
UNPACK_SKIP_PIXELS: 3316,
PACK_ROW_LENGTH: 3330,
PACK_SKIP_ROWS: 3331,
PACK_SKIP_PIXELS: 3332,
COLOR: 6144,
DEPTH: 6145,
STENCIL: 6146,
RED: 6403,
RGB8: 32849,
RGBA8: 32856,
RGB10_A2: 32857,
TEXTURE_BINDING_3D: 32874,
UNPACK_SKIP_IMAGES: 32877,
UNPACK_IMAGE_HEIGHT: 32878,
TEXTURE_3D: 32879,
TEXTURE_WRAP_R: 32882,
MAX_3D_TEXTURE_SIZE: 32883,
UNSIGNED_INT_2_10_10_10_REV: 33640,
MAX_ELEMENTS_VERTICES: 33e3,
MAX_ELEMENTS_INDICES: 33001,
TEXTURE_MIN_LOD: 33082,
TEXTURE_MAX_LOD: 33083,
TEXTURE_BASE_LEVEL: 33084,
TEXTURE_MAX_LEVEL: 33085,
MIN: 32775,
MAX: 32776,
DEPTH_COMPONENT24: 33190,
MAX_TEXTURE_LOD_BIAS: 34045,
TEXTURE_COMPARE_MODE: 34892,
TEXTURE_COMPARE_FUNC: 34893,
CURRENT_QUERY: 34917,
QUERY_RESULT: 34918,
QUERY_RESULT_AVAILABLE: 34919,
STREAM_READ: 35041,
STREAM_COPY: 35042,
STATIC_READ: 35045,
STATIC_COPY: 35046,
DYNAMIC_READ: 35049,
DYNAMIC_COPY: 35050,
MAX_DRAW_BUFFERS: 34852,
DRAW_BUFFER0: 34853,
DRAW_BUFFER1: 34854,
DRAW_BUFFER2: 34855,
DRAW_BUFFER3: 34856,
DRAW_BUFFER4: 34857,
DRAW_BUFFER5: 34858,
DRAW_BUFFER6: 34859,
DRAW_BUFFER7: 34860,
DRAW_BUFFER8: 34861,
DRAW_BUFFER9: 34862,
DRAW_BUFFER10: 34863,
DRAW_BUFFER11: 34864,
DRAW_BUFFER12: 34865,
DRAW_BUFFER13: 34866,
DRAW_BUFFER14: 34867,
DRAW_BUFFER15: 34868,
MAX_FRAGMENT_UNIFORM_COMPONENTS: 35657,
MAX_VERTEX_UNIFORM_COMPONENTS: 35658,
SAMPLER_3D: 35679,
SAMPLER_2D_SHADOW: 35682,
FRAGMENT_SHADER_DERIVATIVE_HINT: 35723,
PIXEL_PACK_BUFFER: 35051,
PIXEL_UNPACK_BUFFER: 35052,
PIXEL_PACK_BUFFER_BINDING: 35053,
PIXEL_UNPACK_BUFFER_BINDING: 35055,
FLOAT_MAT2x3: 35685,
FLOAT_MAT2x4: 35686,
FLOAT_MAT3x2: 35687,
FLOAT_MAT3x4: 35688,
FLOAT_MAT4x2: 35689,
FLOAT_MAT4x3: 35690,
SRGB: 35904,
SRGB8: 35905,
SRGB8_ALPHA8: 35907,
COMPARE_REF_TO_TEXTURE: 34894,
RGBA32F: 34836,
RGB32F: 34837,
RGBA16F: 34842,
RGB16F: 34843,
VERTEX_ATTRIB_ARRAY_INTEGER: 35069,
MAX_ARRAY_TEXTURE_LAYERS: 35071,
MIN_PROGRAM_TEXEL_OFFSET: 35076,
MAX_PROGRAM_TEXEL_OFFSET: 35077,
MAX_VARYING_COMPONENTS: 35659,
TEXTURE_2D_ARRAY: 35866,
TEXTURE_BINDING_2D_ARRAY: 35869,
R11F_G11F_B10F: 35898,
UNSIGNED_INT_10F_11F_11F_REV: 35899,
RGB9_E5: 35901,
UNSIGNED_INT_5_9_9_9_REV: 35902,
TRANSFORM_FEEDBACK_BUFFER_MODE: 35967,
MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS: 35968,
TRANSFORM_FEEDBACK_VARYINGS: 35971,
TRANSFORM_FEEDBACK_BUFFER_START: 35972,
TRANSFORM_FEEDBACK_BUFFER_SIZE: 35973,
TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN: 35976,
RASTERIZER_DISCARD: 35977,
MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS: 35978,
MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS: 35979,
INTERLEAVED_ATTRIBS: 35980,
SEPARATE_ATTRIBS: 35981,
TRANSFORM_FEEDBACK_BUFFER: 35982,
TRANSFORM_FEEDBACK_BUFFER_BINDING: 35983,
RGBA32UI: 36208,
RGB32UI: 36209,
RGBA16UI: 36214,
RGB16UI: 36215,
RGBA8UI: 36220,
RGB8UI: 36221,
RGBA32I: 36226,
RGB32I: 36227,
RGBA16I: 36232,
RGB16I: 36233,
RGBA8I: 36238,
RGB8I: 36239,
RED_INTEGER: 36244,
RGB_INTEGER: 36248,
RGBA_INTEGER: 36249,
SAMPLER_2D_ARRAY: 36289,
SAMPLER_2D_ARRAY_SHADOW: 36292,
SAMPLER_CUBE_SHADOW: 36293,
UNSIGNED_INT_VEC2: 36294,
UNSIGNED_INT_VEC3: 36295,
UNSIGNED_INT_VEC4: 36296,
INT_SAMPLER_2D: 36298,
INT_SAMPLER_3D: 36299,
INT_SAMPLER_CUBE: 36300,
INT_SAMPLER_2D_ARRAY: 36303,
UNSIGNED_INT_SAMPLER_2D: 36306,
UNSIGNED_INT_SAMPLER_3D: 36307,
UNSIGNED_INT_SAMPLER_CUBE: 36308,
UNSIGNED_INT_SAMPLER_2D_ARRAY: 36311,
DEPTH_COMPONENT32F: 36012,
DEPTH32F_STENCIL8: 36013,
FLOAT_32_UNSIGNED_INT_24_8_REV: 36269,
FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING: 33296,
FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE: 33297,
FRAMEBUFFER_ATTACHMENT_RED_SIZE: 33298,
FRAMEBUFFER_ATTACHMENT_GREEN_SIZE: 33299,
FRAMEBUFFER_ATTACHMENT_BLUE_SIZE: 33300,
FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE: 33301,
FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE: 33302,
FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE: 33303,
FRAMEBUFFER_DEFAULT: 33304,
UNSIGNED_INT_24_8: 34042,
DEPTH24_STENCIL8: 35056,
UNSIGNED_NORMALIZED: 35863,
DRAW_FRAMEBUFFER_BINDING: 36006,
// Same as FRAMEBUFFER_BINDING
READ_FRAMEBUFFER: 36008,
DRAW_FRAMEBUFFER: 36009,
READ_FRAMEBUFFER_BINDING: 36010,
RENDERBUFFER_SAMPLES: 36011,
FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER: 36052,
MAX_COLOR_ATTACHMENTS: 36063,
COLOR_ATTACHMENT1: 36065,
COLOR_ATTACHMENT2: 36066,
COLOR_ATTACHMENT3: 36067,
COLOR_ATTACHMENT4: 36068,
COLOR_ATTACHMENT5: 36069,
COLOR_ATTACHMENT6: 36070,
COLOR_ATTACHMENT7: 36071,
COLOR_ATTACHMENT8: 36072,
COLOR_ATTACHMENT9: 36073,
COLOR_ATTACHMENT10: 36074,
COLOR_ATTACHMENT11: 36075,
COLOR_ATTACHMENT12: 36076,
COLOR_ATTACHMENT13: 36077,
COLOR_ATTACHMENT14: 36078,
COLOR_ATTACHMENT15: 36079,
FRAMEBUFFER_INCOMPLETE_MULTISAMPLE: 36182,
MAX_SAMPLES: 36183,
HALF_FLOAT: 5131,
RG: 33319,
RG_INTEGER: 33320,
R8: 33321,
RG8: 33323,
R16F: 33325,
R32F: 33326,
RG16F: 33327,
RG32F: 33328,
R8I: 33329,
R8UI: 33330,
R16I: 33331,
R16UI: 33332,
R32I: 33333,
R32UI: 33334,
RG8I: 33335,
RG8UI: 33336,
RG16I: 33337,
RG16UI: 33338,
RG32I: 33339,
RG32UI: 33340,
VERTEX_ARRAY_BINDING: 34229,
R8_SNORM: 36756,
RG8_SNORM: 36757,
RGB8_SNORM: 36758,
RGBA8_SNORM: 36759,
SIGNED_NORMALIZED: 36764,
COPY_READ_BUFFER: 36662,
COPY_WRITE_BUFFER: 36663,
COPY_READ_BUFFER_BINDING: 36662,
// Same as COPY_READ_BUFFER
COPY_WRITE_BUFFER_BINDING: 36663,
// Same as COPY_WRITE_BUFFER
UNIFORM_BUFFER: 35345,
UNIFORM_BUFFER_BINDING: 35368,
UNIFORM_BUFFER_START: 35369,
UNIFORM_BUFFER_SIZE: 35370,
MAX_VERTEX_UNIFORM_BLOCKS: 35371,
MAX_FRAGMENT_UNIFORM_BLOCKS: 35373,
MAX_COMBINED_UNIFORM_BLOCKS: 35374,
MAX_UNIFORM_BUFFER_BINDINGS: 35375,
MAX_UNIFORM_BLOCK_SIZE: 35376,
MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS: 35377,
MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS: 35379,
UNIFORM_BUFFER_OFFSET_ALIGNMENT: 35380,
ACTIVE_UNIFORM_BLOCKS: 35382,
UNIFORM_TYPE: 35383,
UNIFORM_SIZE: 35384,
UNIFORM_BLOCK_INDEX: 35386,
UNIFORM_OFFSET: 35387,
UNIFORM_ARRAY_STRIDE: 35388,
UNIFORM_MATRIX_STRIDE: 35389,
UNIFORM_IS_ROW_MAJOR: 35390,
UNIFORM_BLOCK_BINDING: 35391,
UNIFORM_BLOCK_DATA_SIZE: 35392,
UNIFORM_BLOCK_ACTIVE_UNIFORMS: 35394,
UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES: 35395,
UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER: 35396,
UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER: 35398,
INVALID_INDEX: 4294967295,
MAX_VERTEX_OUTPUT_COMPONENTS: 37154,
MAX_FRAGMENT_INPUT_COMPONENTS: 37157,
MAX_SERVER_WAIT_TIMEOUT: 37137,
OBJECT_TYPE: 37138,
SYNC_CONDITION: 37139,
SYNC_STATUS: 37140,
SYNC_FLAGS: 37141,
SYNC_FENCE: 37142,
SYNC_GPU_COMMANDS_COMPLETE: 37143,
UNSIGNALED: 37144,
SIGNALED: 37145,
ALREADY_SIGNALED: 37146,
TIMEOUT_EXPIRED: 37147,
CONDITION_SATISFIED: 37148,
WAIT_FAILED: 37149,
SYNC_FLUSH_COMMANDS_BIT: 1,
VERTEX_ATTRIB_ARRAY_DIVISOR: 35070,
ANY_SAMPLES_PASSED: 35887,
ANY_SAMPLES_PASSED_CONSERVATIVE: 36202,
SAMPLER_BINDING: 35097,
RGB10_A2UI: 36975,
INT_2_10_10_10_REV: 36255,
TRANSFORM_FEEDBACK: 36386,
TRANSFORM_FEEDBACK_PAUSED: 36387,
TRANSFORM_FEEDBACK_ACTIVE: 36388,
TRANSFORM_FEEDBACK_BINDING: 36389,
COMPRESSED_R11_EAC: 37488,
COMPRESSED_SIGNED_R11_EAC: 37489,
COMPRESSED_RG11_EAC: 37490,
COMPRESSED_SIGNED_RG11_EAC: 37491,
COMPRESSED_RGB8_ETC2: 37492,
COMPRESSED_SRGB8_ETC2: 37493,
COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2: 37494,
COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2: 37495,
COMPRESSED_RGBA8_ETC2_EAC: 37496,
COMPRESSED_SRGB8_ALPHA8_ETC2_EAC: 37497,
TEXTURE_IMMUTABLE_FORMAT: 37167,
MAX_ELEMENT_INDEX: 36203,
TEXTURE_IMMUTABLE_LEVELS: 33503,
// Extensions
MAX_TEXTURE_MAX_ANISOTROPY_EXT: 34047
};
var WebGLConstants_default = Object.freeze(WebGLConstants);
export {
WebGLConstants_default
};
/**
* @license
* Cesium - https://github.com/CesiumGS/cesium
* Version 1.121.2
*
* Copyright 2011-2022 Cesium Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Columbus View (Pat. Pend.)
*
* Portions licensed separately.
* See https://github.com/CesiumGS/cesium/blob/main/LICENSE.md for full licensing details.
*/
import {
PolylinePipeline_default
} from "./chunk-QN6TBED4.js";
import {
EllipsoidTangentPlane_default
} from "./chunk-YK3QIKY7.js";
import {
Cartesian4_default,
Matrix4_default,
Quaternion_default,
Transforms_default
} from "./chunk-6SQMLVGV.js";
import {
Cartesian2_default,
Cartesian3_default,
Cartographic_default,
Matrix3_default
} from "./chunk-FFLMY4TE.js";
import {
Math_default
} from "./chunk-WGDFYAGC.js";
import {
defaultValue_default
} from "./chunk-U5HSOKPQ.js";
import {
DeveloperError_default
} from "./chunk-P6TRGU3S.js";
import {
defined_default
} from "./chunk-YCDZX5LS.js";
// packages/engine/Source/Core/CornerType.js
var CornerType = {
/**
* <img src="Images/CornerTypeRounded.png" style="vertical-align: middle;" width="186" height="189" />
*
* Corner has a smooth edge.
* @type {number}
* @constant
*/
ROUNDED: 0,
/**
* <img src="Images/CornerTypeMitered.png" style="vertical-align: middle;" width="186" height="189" />
*
* Corner point is the intersection of adjacent edges.
* @type {number}
* @constant
*/
MITERED: 1,
/**
* <img src="Images/CornerTypeBeveled.png" style="vertical-align: middle;" width="186" height="189" />
*
* Corner is clipped.
* @type {number}
* @constant
*/
BEVELED: 2
};
var CornerType_default = Object.freeze(CornerType);
// packages/engine/Source/Core/oneTimeWarning.js
var warnings = {};
function oneTimeWarning(identifier, message) {
if (!defined_default(identifier)) {
throw new DeveloperError_default("identifier is required.");
}
if (!defined_default(warnings[identifier])) {
warnings[identifier] = true;
console.warn(defaultValue_default(message, identifier));
}
}
oneTimeWarning.geometryOutlines = "Entity geometry outlines are unsupported on terrain. Outlines will be disabled. To enable outlines, disable geometry terrain clamping by explicitly setting height to 0.";
oneTimeWarning.geometryZIndex = "Entity geometry with zIndex are unsupported when height or extrudedHeight are defined. zIndex will be ignored";
oneTimeWarning.geometryHeightReference = "Entity corridor, ellipse, polygon or rectangle with heightReference must also have a defined height. heightReference will be ignored";
oneTimeWarning.geometryExtrudedHeightReference = "Entity corridor, ellipse, polygon or rectangle with extrudedHeightReference must also have a defined extrudedHeight. extrudedHeightReference will be ignored";
var oneTimeWarning_default = oneTimeWarning;
// packages/engine/Source/Core/PolylineVolumeGeometryLibrary.js
var scratch2Array = [new Cartesian3_default(), new Cartesian3_default()];
var scratchCartesian1 = new Cartesian3_default();
var scratchCartesian2 = new Cartesian3_default();
var scratchCartesian3 = new Cartesian3_default();
var scratchCartesian4 = new Cartesian3_default();
var scratchCartesian5 = new Cartesian3_default();
var scratchCartesian6 = new Cartesian3_default();
var scratchCartesian7 = new Cartesian3_default();
var scratchCartesian8 = new Cartesian3_default();
var scratchCartesian9 = new Cartesian3_default();
var scratch1 = new Cartesian3_default();
var scratch2 = new Cartesian3_default();
var PolylineVolumeGeometryLibrary = {};
var cartographic = new Cartographic_default();
function scaleToSurface(positions, ellipsoid) {
const heights = new Array(positions.length);
for (let i = 0; i < positions.length; i++) {
const pos = positions[i];
cartographic = ellipsoid.cartesianToCartographic(pos, cartographic);
heights[i] = cartographic.height;
positions[i] = ellipsoid.scaleToGeodeticSurface(pos, pos);
}
return heights;
}
function subdivideHeights(points, h0, h1, granularity) {
const p0 = points[0];
const p1 = points[1];
const angleBetween = Cartesian3_default.angleBetween(p0, p1);
const numPoints = Math.ceil(angleBetween / granularity);
const heights = new Array(numPoints);
let i;
if (h0 === h1) {
for (i = 0; i < numPoints; i++) {
heights[i] = h0;
}
heights.push(h1);
return heights;
}
const dHeight = h1 - h0;
const heightPerVertex = dHeight / numPoints;
for (i = 1; i < numPoints; i++) {
const h = h0 + i * heightPerVertex;
heights[i] = h;
}
heights[0] = h0;
heights.push(h1);
return heights;
}
var nextScratch = new Cartesian3_default();
var prevScratch = new Cartesian3_default();
function computeRotationAngle(start, end, position, ellipsoid) {
const tangentPlane = new EllipsoidTangentPlane_default(position, ellipsoid);
const next = tangentPlane.projectPointOntoPlane(
Cartesian3_default.add(position, start, nextScratch),
nextScratch
);
const prev = tangentPlane.projectPointOntoPlane(
Cartesian3_default.add(position, end, prevScratch),
prevScratch
);
const angle = Cartesian2_default.angleBetween(next, prev);
return prev.x * next.y - prev.y * next.x >= 0 ? -angle : angle;
}
var negativeX = new Cartesian3_default(-1, 0, 0);
var transform = new Matrix4_default();
var translation = new Matrix4_default();
var rotationZ = new Matrix3_default();
var scaleMatrix = Matrix3_default.IDENTITY.clone();
var westScratch = new Cartesian3_default();
var finalPosScratch = new Cartesian4_default();
var heightCartesian = new Cartesian3_default();
function addPosition(center, left, shape, finalPositions, ellipsoid, height, xScalar, repeat) {
let west = westScratch;
let finalPosition = finalPosScratch;
transform = Transforms_default.eastNorthUpToFixedFrame(center, ellipsoid, transform);
west = Matrix4_default.multiplyByPointAsVector(transform, negativeX, west);
west = Cartesian3_default.normalize(west, west);
const angle = computeRotationAngle(west, left, center, ellipsoid);
rotationZ = Matrix3_default.fromRotationZ(angle, rotationZ);
heightCartesian.z = height;
transform = Matrix4_default.multiplyTransformation(
transform,
Matrix4_default.fromRotationTranslation(rotationZ, heightCartesian, translation),
transform
);
const scale = scaleMatrix;
scale[0] = xScalar;
for (let j = 0; j < repeat; j++) {
for (let i = 0; i < shape.length; i += 3) {
finalPosition = Cartesian3_default.fromArray(shape, i, finalPosition);
finalPosition = Matrix3_default.multiplyByVector(
scale,
finalPosition,
finalPosition
);
finalPosition = Matrix4_default.multiplyByPoint(
transform,
finalPosition,
finalPosition
);
finalPositions.push(finalPosition.x, finalPosition.y, finalPosition.z);
}
}
return finalPositions;
}
var centerScratch = new Cartesian3_default();
function addPositions(centers, left, shape, finalPositions, ellipsoid, heights, xScalar) {
for (let i = 0; i < centers.length; i += 3) {
const center = Cartesian3_default.fromArray(centers, i, centerScratch);
finalPositions = addPosition(
center,
left,
shape,
finalPositions,
ellipsoid,
heights[i / 3],
xScalar,
1
);
}
return finalPositions;
}
function convertShapeTo3DDuplicate(shape2D, boundingRectangle) {
const length = shape2D.length;
const shape = new Array(length * 6);
let index = 0;
const xOffset = boundingRectangle.x + boundingRectangle.width / 2;
const yOffset = boundingRectangle.y + boundingRectangle.height / 2;
let point = shape2D[0];
shape[index++] = point.x - xOffset;
shape[index++] = 0;
shape[index++] = point.y - yOffset;
for (let i = 1; i < length; i++) {
point = shape2D[i];
const x = point.x - xOffset;
const z = point.y - yOffset;
shape[index++] = x;
shape[index++] = 0;
shape[index++] = z;
shape[index++] = x;
shape[index++] = 0;
shape[index++] = z;
}
point = shape2D[0];
shape[index++] = point.x - xOffset;
shape[index++] = 0;
shape[index++] = point.y - yOffset;
return shape;
}
function convertShapeTo3D(shape2D, boundingRectangle) {
const length = shape2D.length;
const shape = new Array(length * 3);
let index = 0;
const xOffset = boundingRectangle.x + boundingRectangle.width / 2;
const yOffset = boundingRectangle.y + boundingRectangle.height / 2;
for (let i = 0; i < length; i++) {
shape[index++] = shape2D[i].x - xOffset;
shape[index++] = 0;
shape[index++] = shape2D[i].y - yOffset;
}
return shape;
}
var quaterion = new Quaternion_default();
var startPointScratch = new Cartesian3_default();
var rotMatrix = new Matrix3_default();
function computeRoundCorner(pivot, startPoint, endPoint, cornerType, leftIsOutside, ellipsoid, finalPositions, shape, height, duplicatePoints) {
const angle = Cartesian3_default.angleBetween(
Cartesian3_default.subtract(startPoint, pivot, scratch1),
Cartesian3_default.subtract(endPoint, pivot, scratch2)
);
const granularity = cornerType === CornerType_default.BEVELED ? 0 : Math.ceil(angle / Math_default.toRadians(5));
let m;
if (leftIsOutside) {
m = Matrix3_default.fromQuaternion(
Quaternion_default.fromAxisAngle(
Cartesian3_default.negate(pivot, scratch1),
angle / (granularity + 1),
quaterion
),
rotMatrix
);
} else {
m = Matrix3_default.fromQuaternion(
Quaternion_default.fromAxisAngle(pivot, angle / (granularity + 1), quaterion),
rotMatrix
);
}
let left;
let surfacePoint;
startPoint = Cartesian3_default.clone(startPoint, startPointScratch);
if (granularity > 0) {
const repeat = duplicatePoints ? 2 : 1;
for (let i = 0; i < granularity; i++) {
startPoint = Matrix3_default.multiplyByVector(m, startPoint, startPoint);
left = Cartesian3_default.subtract(startPoint, pivot, scratch1);
left = Cartesian3_default.normalize(left, left);
if (!leftIsOutside) {
left = Cartesian3_default.negate(left, left);
}
surfacePoint = ellipsoid.scaleToGeodeticSurface(startPoint, scratch2);
finalPositions = addPosition(
surfacePoint,
left,
shape,
finalPositions,
ellipsoid,
height,
1,
repeat
);
}
} else {
left = Cartesian3_default.subtract(startPoint, pivot, scratch1);
left = Cartesian3_default.normalize(left, left);
if (!leftIsOutside) {
left = Cartesian3_default.negate(left, left);
}
surfacePoint = ellipsoid.scaleToGeodeticSurface(startPoint, scratch2);
finalPositions = addPosition(
surfacePoint,
left,
shape,
finalPositions,
ellipsoid,
height,
1,
1
);
endPoint = Cartesian3_default.clone(endPoint, startPointScratch);
left = Cartesian3_default.subtract(endPoint, pivot, scratch1);
left = Cartesian3_default.normalize(left, left);
if (!leftIsOutside) {
left = Cartesian3_default.negate(left, left);
}
surfacePoint = ellipsoid.scaleToGeodeticSurface(endPoint, scratch2);
finalPositions = addPosition(
surfacePoint,
left,
shape,
finalPositions,
ellipsoid,
height,
1,
1
);
}
return finalPositions;
}
PolylineVolumeGeometryLibrary.removeDuplicatesFromShape = function(shapePositions) {
const length = shapePositions.length;
const cleanedPositions = [];
for (let i0 = length - 1, i1 = 0; i1 < length; i0 = i1++) {
const v0 = shapePositions[i0];
const v1 = shapePositions[i1];
if (!Cartesian2_default.equals(v0, v1)) {
cleanedPositions.push(v1);
}
}
return cleanedPositions;
};
PolylineVolumeGeometryLibrary.angleIsGreaterThanPi = function(forward, backward, position, ellipsoid) {
const tangentPlane = new EllipsoidTangentPlane_default(position, ellipsoid);
const next = tangentPlane.projectPointOntoPlane(
Cartesian3_default.add(position, forward, nextScratch),
nextScratch
);
const prev = tangentPlane.projectPointOntoPlane(
Cartesian3_default.add(position, backward, prevScratch),
prevScratch
);
return prev.x * next.y - prev.y * next.x >= 0;
};
var scratchForwardProjection = new Cartesian3_default();
var scratchBackwardProjection = new Cartesian3_default();
PolylineVolumeGeometryLibrary.computePositions = function(positions, shape2D, boundingRectangle, geometry, duplicatePoints) {
const ellipsoid = geometry._ellipsoid;
const heights = scaleToSurface(positions, ellipsoid);
const granularity = geometry._granularity;
const cornerType = geometry._cornerType;
const shapeForSides = duplicatePoints ? convertShapeTo3DDuplicate(shape2D, boundingRectangle) : convertShapeTo3D(shape2D, boundingRectangle);
const shapeForEnds = duplicatePoints ? convertShapeTo3D(shape2D, boundingRectangle) : void 0;
const heightOffset = boundingRectangle.height / 2;
const width = boundingRectangle.width / 2;
let length = positions.length;
let finalPositions = [];
let ends = duplicatePoints ? [] : void 0;
let forward = scratchCartesian1;
let backward = scratchCartesian2;
let cornerDirection = scratchCartesian3;
let surfaceNormal = scratchCartesian4;
let pivot = scratchCartesian5;
let start = scratchCartesian6;
let end = scratchCartesian7;
let left = scratchCartesian8;
let previousPosition = scratchCartesian9;
let position = positions[0];
let nextPosition = positions[1];
surfaceNormal = ellipsoid.geodeticSurfaceNormal(position, surfaceNormal);
forward = Cartesian3_default.subtract(nextPosition, position, forward);
forward = Cartesian3_default.normalize(forward, forward);
left = Cartesian3_default.cross(surfaceNormal, forward, left);
left = Cartesian3_default.normalize(left, left);
let h0 = heights[0];
let h1 = heights[1];
if (duplicatePoints) {
ends = addPosition(
position,
left,
shapeForEnds,
ends,
ellipsoid,
h0 + heightOffset,
1,
1
);
}
previousPosition = Cartesian3_default.clone(position, previousPosition);
position = nextPosition;
backward = Cartesian3_default.negate(forward, backward);
let subdividedHeights;
let subdividedPositions;
for (let i = 1; i < length - 1; i++) {
const repeat = duplicatePoints ? 2 : 1;
nextPosition = positions[i + 1];
if (position.equals(nextPosition)) {
oneTimeWarning_default(
"Positions are too close and are considered equivalent with rounding error."
);
continue;
}
forward = Cartesian3_default.subtract(nextPosition, position, forward);
forward = Cartesian3_default.normalize(forward, forward);
cornerDirection = Cartesian3_default.add(forward, backward, cornerDirection);
cornerDirection = Cartesian3_default.normalize(cornerDirection, cornerDirection);
surfaceNormal = ellipsoid.geodeticSurfaceNormal(position, surfaceNormal);
const forwardProjection = Cartesian3_default.multiplyByScalar(
surfaceNormal,
Cartesian3_default.dot(forward, surfaceNormal),
scratchForwardProjection
);
Cartesian3_default.subtract(forward, forwardProjection, forwardProjection);
Cartesian3_default.normalize(forwardProjection, forwardProjection);
const backwardProjection = Cartesian3_default.multiplyByScalar(
surfaceNormal,
Cartesian3_default.dot(backward, surfaceNormal),
scratchBackwardProjection
);
Cartesian3_default.subtract(backward, backwardProjection, backwardProjection);
Cartesian3_default.normalize(backwardProjection, backwardProjection);
const doCorner = !Math_default.equalsEpsilon(
Math.abs(Cartesian3_default.dot(forwardProjection, backwardProjection)),
1,
Math_default.EPSILON7
);
if (doCorner) {
cornerDirection = Cartesian3_default.cross(
cornerDirection,
surfaceNormal,
cornerDirection
);
cornerDirection = Cartesian3_default.cross(
surfaceNormal,
cornerDirection,
cornerDirection
);
cornerDirection = Cartesian3_default.normalize(cornerDirection, cornerDirection);
const scalar = 1 / Math.max(
0.25,
Cartesian3_default.magnitude(
Cartesian3_default.cross(cornerDirection, backward, scratch1)
)
);
const leftIsOutside = PolylineVolumeGeometryLibrary.angleIsGreaterThanPi(
forward,
backward,
position,
ellipsoid
);
if (leftIsOutside) {
pivot = Cartesian3_default.add(
position,
Cartesian3_default.multiplyByScalar(
cornerDirection,
scalar * width,
cornerDirection
),
pivot
);
start = Cartesian3_default.add(
pivot,
Cartesian3_default.multiplyByScalar(left, width, start),
start
);
scratch2Array[0] = Cartesian3_default.clone(previousPosition, scratch2Array[0]);
scratch2Array[1] = Cartesian3_default.clone(start, scratch2Array[1]);
subdividedHeights = subdivideHeights(
scratch2Array,
h0 + heightOffset,
h1 + heightOffset,
granularity
);
subdividedPositions = PolylinePipeline_default.generateArc({
positions: scratch2Array,
granularity,
ellipsoid
});
finalPositions = addPositions(
subdividedPositions,
left,
shapeForSides,
finalPositions,
ellipsoid,
subdividedHeights,
1
);
left = Cartesian3_default.cross(surfaceNormal, forward, left);
left = Cartesian3_default.normalize(left, left);
end = Cartesian3_default.add(
pivot,
Cartesian3_default.multiplyByScalar(left, width, end),
end
);
if (cornerType === CornerType_default.ROUNDED || cornerType === CornerType_default.BEVELED) {
computeRoundCorner(
pivot,
start,
end,
cornerType,
leftIsOutside,
ellipsoid,
finalPositions,
shapeForSides,
h1 + heightOffset,
duplicatePoints
);
} else {
cornerDirection = Cartesian3_default.negate(cornerDirection, cornerDirection);
finalPositions = addPosition(
position,
cornerDirection,
shapeForSides,
finalPositions,
ellipsoid,
h1 + heightOffset,
scalar,
repeat
);
}
previousPosition = Cartesian3_default.clone(end, previousPosition);
} else {
pivot = Cartesian3_default.add(
position,
Cartesian3_default.multiplyByScalar(
cornerDirection,
scalar * width,
cornerDirection
),
pivot
);
start = Cartesian3_default.add(
pivot,
Cartesian3_default.multiplyByScalar(left, -width, start),
start
);
scratch2Array[0] = Cartesian3_default.clone(previousPosition, scratch2Array[0]);
scratch2Array[1] = Cartesian3_default.clone(start, scratch2Array[1]);
subdividedHeights = subdivideHeights(
scratch2Array,
h0 + heightOffset,
h1 + heightOffset,
granularity
);
subdividedPositions = PolylinePipeline_default.generateArc({
positions: scratch2Array,
granularity,
ellipsoid
});
finalPositions = addPositions(
subdividedPositions,
left,
shapeForSides,
finalPositions,
ellipsoid,
subdividedHeights,
1
);
left = Cartesian3_default.cross(surfaceNormal, forward, left);
left = Cartesian3_default.normalize(left, left);
end = Cartesian3_default.add(
pivot,
Cartesian3_default.multiplyByScalar(left, -width, end),
end
);
if (cornerType === CornerType_default.ROUNDED || cornerType === CornerType_default.BEVELED) {
computeRoundCorner(
pivot,
start,
end,
cornerType,
leftIsOutside,
ellipsoid,
finalPositions,
shapeForSides,
h1 + heightOffset,
duplicatePoints
);
} else {
finalPositions = addPosition(
position,
cornerDirection,
shapeForSides,
finalPositions,
ellipsoid,
h1 + heightOffset,
scalar,
repeat
);
}
previousPosition = Cartesian3_default.clone(end, previousPosition);
}
backward = Cartesian3_default.negate(forward, backward);
} else {
finalPositions = addPosition(
previousPosition,
left,
shapeForSides,
finalPositions,
ellipsoid,
h0 + heightOffset,
1,
1
);
previousPosition = position;
}
h0 = h1;
h1 = heights[i + 1];
position = nextPosition;
}
scratch2Array[0] = Cartesian3_default.clone(previousPosition, scratch2Array[0]);
scratch2Array[1] = Cartesian3_default.clone(position, scratch2Array[1]);
subdividedHeights = subdivideHeights(
scratch2Array,
h0 + heightOffset,
h1 + heightOffset,
granularity
);
subdividedPositions = PolylinePipeline_default.generateArc({
positions: scratch2Array,
granularity,
ellipsoid
});
finalPositions = addPositions(
subdividedPositions,
left,
shapeForSides,
finalPositions,
ellipsoid,
subdividedHeights,
1
);
if (duplicatePoints) {
ends = addPosition(
position,
left,
shapeForEnds,
ends,
ellipsoid,
h1 + heightOffset,
1,
1
);
}
length = finalPositions.length;
const posLength = duplicatePoints ? length + ends.length : length;
const combinedPositions = new Float64Array(posLength);
combinedPositions.set(finalPositions);
if (duplicatePoints) {
combinedPositions.set(ends, length);
}
return combinedPositions;
};
var PolylineVolumeGeometryLibrary_default = PolylineVolumeGeometryLibrary;
export {
CornerType_default,
oneTimeWarning_default,
PolylineVolumeGeometryLibrary_default
};
/**
* @license
* Cesium - https://github.com/CesiumGS/cesium
* Version 1.121.2
*
* Copyright 2011-2022 Cesium Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Columbus View (Pat. Pend.)
*
* Portions licensed separately.
* See https://github.com/CesiumGS/cesium/blob/main/LICENSE.md for full licensing details.
*/
import {
GeographicProjection_default,
Intersect_default
} from "./chunk-KHZNBFOH.js";
import {
Rectangle_default
} from "./chunk-6SQMLVGV.js";
import {
Cartesian2_default,
Cartographic_default,
Ellipsoid_default
} from "./chunk-FFLMY4TE.js";
import {
defaultValue_default
} from "./chunk-U5HSOKPQ.js";
import {
Check_default
} from "./chunk-P6TRGU3S.js";
import {
defined_default
} from "./chunk-YCDZX5LS.js";
// packages/engine/Source/Core/BoundingRectangle.js
function BoundingRectangle(x, y, width, height) {
this.x = defaultValue_default(x, 0);
this.y = defaultValue_default(y, 0);
this.width = defaultValue_default(width, 0);
this.height = defaultValue_default(height, 0);
}
BoundingRectangle.packedLength = 4;
BoundingRectangle.pack = function(value, array, startingIndex) {
Check_default.typeOf.object("value", value);
Check_default.defined("array", array);
startingIndex = defaultValue_default(startingIndex, 0);
array[startingIndex++] = value.x;
array[startingIndex++] = value.y;
array[startingIndex++] = value.width;
array[startingIndex] = value.height;
return array;
};
BoundingRectangle.unpack = function(array, startingIndex, result) {
Check_default.defined("array", array);
startingIndex = defaultValue_default(startingIndex, 0);
if (!defined_default(result)) {
result = new BoundingRectangle();
}
result.x = array[startingIndex++];
result.y = array[startingIndex++];
result.width = array[startingIndex++];
result.height = array[startingIndex];
return result;
};
BoundingRectangle.fromPoints = function(positions, result) {
if (!defined_default(result)) {
result = new BoundingRectangle();
}
if (!defined_default(positions) || positions.length === 0) {
result.x = 0;
result.y = 0;
result.width = 0;
result.height = 0;
return result;
}
const length = positions.length;
let minimumX = positions[0].x;
let minimumY = positions[0].y;
let maximumX = positions[0].x;
let maximumY = positions[0].y;
for (let i = 1; i < length; i++) {
const p = positions[i];
const x = p.x;
const y = p.y;
minimumX = Math.min(x, minimumX);
maximumX = Math.max(x, maximumX);
minimumY = Math.min(y, minimumY);
maximumY = Math.max(y, maximumY);
}
result.x = minimumX;
result.y = minimumY;
result.width = maximumX - minimumX;
result.height = maximumY - minimumY;
return result;
};
var defaultProjection = new GeographicProjection_default();
var fromRectangleLowerLeft = new Cartographic_default();
var fromRectangleUpperRight = new Cartographic_default();
BoundingRectangle.fromRectangle = function(rectangle, projection, result) {
if (!defined_default(result)) {
result = new BoundingRectangle();
}
if (!defined_default(rectangle)) {
result.x = 0;
result.y = 0;
result.width = 0;
result.height = 0;
return result;
}
defaultProjection._ellipsoid = Ellipsoid_default.default;
projection = defaultValue_default(projection, defaultProjection);
const lowerLeft = projection.project(
Rectangle_default.southwest(rectangle, fromRectangleLowerLeft)
);
const upperRight = projection.project(
Rectangle_default.northeast(rectangle, fromRectangleUpperRight)
);
Cartesian2_default.subtract(upperRight, lowerLeft, upperRight);
result.x = lowerLeft.x;
result.y = lowerLeft.y;
result.width = upperRight.x;
result.height = upperRight.y;
return result;
};
BoundingRectangle.clone = function(rectangle, result) {
if (!defined_default(rectangle)) {
return void 0;
}
if (!defined_default(result)) {
return new BoundingRectangle(
rectangle.x,
rectangle.y,
rectangle.width,
rectangle.height
);
}
result.x = rectangle.x;
result.y = rectangle.y;
result.width = rectangle.width;
result.height = rectangle.height;
return result;
};
BoundingRectangle.union = function(left, right, result) {
Check_default.typeOf.object("left", left);
Check_default.typeOf.object("right", right);
if (!defined_default(result)) {
result = new BoundingRectangle();
}
const lowerLeftX = Math.min(left.x, right.x);
const lowerLeftY = Math.min(left.y, right.y);
const upperRightX = Math.max(left.x + left.width, right.x + right.width);
const upperRightY = Math.max(left.y + left.height, right.y + right.height);
result.x = lowerLeftX;
result.y = lowerLeftY;
result.width = upperRightX - lowerLeftX;
result.height = upperRightY - lowerLeftY;
return result;
};
BoundingRectangle.expand = function(rectangle, point, result) {
Check_default.typeOf.object("rectangle", rectangle);
Check_default.typeOf.object("point", point);
result = BoundingRectangle.clone(rectangle, result);
const width = point.x - result.x;
const height = point.y - result.y;
if (width > result.width) {
result.width = width;
} else if (width < 0) {
result.width -= width;
result.x = point.x;
}
if (height > result.height) {
result.height = height;
} else if (height < 0) {
result.height -= height;
result.y = point.y;
}
return result;
};
BoundingRectangle.intersect = function(left, right) {
Check_default.typeOf.object("left", left);
Check_default.typeOf.object("right", right);
const leftX = left.x;
const leftY = left.y;
const rightX = right.x;
const rightY = right.y;
if (!(leftX > rightX + right.width || leftX + left.width < rightX || leftY + left.height < rightY || leftY > rightY + right.height)) {
return Intersect_default.INTERSECTING;
}
return Intersect_default.OUTSIDE;
};
BoundingRectangle.equals = function(left, right) {
return left === right || defined_default(left) && defined_default(right) && left.x === right.x && left.y === right.y && left.width === right.width && left.height === right.height;
};
BoundingRectangle.prototype.clone = function(result) {
return BoundingRectangle.clone(this, result);
};
BoundingRectangle.prototype.intersect = function(right) {
return BoundingRectangle.intersect(this, right);
};
BoundingRectangle.prototype.equals = function(right) {
return BoundingRectangle.equals(this, right);
};
var BoundingRectangle_default = BoundingRectangle;
export {
BoundingRectangle_default
};
/**
* @license
* Cesium - https://github.com/CesiumGS/cesium
* Version 1.121.2
*
* Copyright 2011-2022 Cesium Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Columbus View (Pat. Pend.)
*
* Portions licensed separately.
* See https://github.com/CesiumGS/cesium/blob/main/LICENSE.md for full licensing details.
*/
import {
AttributeCompression_default
} from "./chunk-LJ2JQHJT.js";
import {
BoundingSphere_default
} from "./chunk-KHZNBFOH.js";
import {
Matrix4_default,
Rectangle_default
} from "./chunk-6SQMLVGV.js";
import {
ComponentDatatype_default
} from "./chunk-XIUSRWL6.js";
import {
Cartesian2_default,
Cartesian3_default,
Cartographic_default,
Ellipsoid_default
} from "./chunk-FFLMY4TE.js";
import {
Math_default
} from "./chunk-WGDFYAGC.js";
import {
defaultValue_default
} from "./chunk-U5HSOKPQ.js";
import {
Check_default,
DeveloperError_default
} from "./chunk-P6TRGU3S.js";
import {
defined_default
} from "./chunk-YCDZX5LS.js";
// packages/engine/Source/Core/EllipsoidalOccluder.js
function EllipsoidalOccluder(ellipsoid, cameraPosition) {
Check_default.typeOf.object("ellipsoid", ellipsoid);
this._ellipsoid = ellipsoid;
this._cameraPosition = new Cartesian3_default();
this._cameraPositionInScaledSpace = new Cartesian3_default();
this._distanceToLimbInScaledSpaceSquared = 0;
if (defined_default(cameraPosition)) {
this.cameraPosition = cameraPosition;
}
}
Object.defineProperties(EllipsoidalOccluder.prototype, {
/**
* Gets the occluding ellipsoid.
* @memberof EllipsoidalOccluder.prototype
* @type {Ellipsoid}
*/
ellipsoid: {
get: function() {
return this._ellipsoid;
}
},
/**
* Gets or sets the position of the camera.
* @memberof EllipsoidalOccluder.prototype
* @type {Cartesian3}
*/
cameraPosition: {
get: function() {
return this._cameraPosition;
},
set: function(cameraPosition) {
const ellipsoid = this._ellipsoid;
const cv = ellipsoid.transformPositionToScaledSpace(
cameraPosition,
this._cameraPositionInScaledSpace
);
const vhMagnitudeSquared = Cartesian3_default.magnitudeSquared(cv) - 1;
Cartesian3_default.clone(cameraPosition, this._cameraPosition);
this._cameraPositionInScaledSpace = cv;
this._distanceToLimbInScaledSpaceSquared = vhMagnitudeSquared;
}
}
});
var scratchCartesian = new Cartesian3_default();
EllipsoidalOccluder.prototype.isPointVisible = function(occludee) {
const ellipsoid = this._ellipsoid;
const occludeeScaledSpacePosition = ellipsoid.transformPositionToScaledSpace(
occludee,
scratchCartesian
);
return isScaledSpacePointVisible(
occludeeScaledSpacePosition,
this._cameraPositionInScaledSpace,
this._distanceToLimbInScaledSpaceSquared
);
};
EllipsoidalOccluder.prototype.isScaledSpacePointVisible = function(occludeeScaledSpacePosition) {
return isScaledSpacePointVisible(
occludeeScaledSpacePosition,
this._cameraPositionInScaledSpace,
this._distanceToLimbInScaledSpaceSquared
);
};
var scratchCameraPositionInScaledSpaceShrunk = new Cartesian3_default();
EllipsoidalOccluder.prototype.isScaledSpacePointVisiblePossiblyUnderEllipsoid = function(occludeeScaledSpacePosition, minimumHeight) {
const ellipsoid = this._ellipsoid;
let vhMagnitudeSquared;
let cv;
if (defined_default(minimumHeight) && minimumHeight < 0 && ellipsoid.minimumRadius > -minimumHeight) {
cv = scratchCameraPositionInScaledSpaceShrunk;
cv.x = this._cameraPosition.x / (ellipsoid.radii.x + minimumHeight);
cv.y = this._cameraPosition.y / (ellipsoid.radii.y + minimumHeight);
cv.z = this._cameraPosition.z / (ellipsoid.radii.z + minimumHeight);
vhMagnitudeSquared = cv.x * cv.x + cv.y * cv.y + cv.z * cv.z - 1;
} else {
cv = this._cameraPositionInScaledSpace;
vhMagnitudeSquared = this._distanceToLimbInScaledSpaceSquared;
}
return isScaledSpacePointVisible(
occludeeScaledSpacePosition,
cv,
vhMagnitudeSquared
);
};
EllipsoidalOccluder.prototype.computeHorizonCullingPoint = function(directionToPoint, positions, result) {
return computeHorizonCullingPointFromPositions(
this._ellipsoid,
directionToPoint,
positions,
result
);
};
var scratchEllipsoidShrunk = Ellipsoid_default.clone(Ellipsoid_default.UNIT_SPHERE);
EllipsoidalOccluder.prototype.computeHorizonCullingPointPossiblyUnderEllipsoid = function(directionToPoint, positions, minimumHeight, result) {
const possiblyShrunkEllipsoid = getPossiblyShrunkEllipsoid(
this._ellipsoid,
minimumHeight,
scratchEllipsoidShrunk
);
return computeHorizonCullingPointFromPositions(
possiblyShrunkEllipsoid,
directionToPoint,
positions,
result
);
};
EllipsoidalOccluder.prototype.computeHorizonCullingPointFromVertices = function(directionToPoint, vertices, stride, center, result) {
return computeHorizonCullingPointFromVertices(
this._ellipsoid,
directionToPoint,
vertices,
stride,
center,
result
);
};
EllipsoidalOccluder.prototype.computeHorizonCullingPointFromVerticesPossiblyUnderEllipsoid = function(directionToPoint, vertices, stride, center, minimumHeight, result) {
const possiblyShrunkEllipsoid = getPossiblyShrunkEllipsoid(
this._ellipsoid,
minimumHeight,
scratchEllipsoidShrunk
);
return computeHorizonCullingPointFromVertices(
possiblyShrunkEllipsoid,
directionToPoint,
vertices,
stride,
center,
result
);
};
var subsampleScratch = [];
EllipsoidalOccluder.prototype.computeHorizonCullingPointFromRectangle = function(rectangle, ellipsoid, result) {
Check_default.typeOf.object("rectangle", rectangle);
const positions = Rectangle_default.subsample(
rectangle,
ellipsoid,
0,
subsampleScratch
);
const bs = BoundingSphere_default.fromPoints(positions);
if (Cartesian3_default.magnitude(bs.center) < 0.1 * ellipsoid.minimumRadius) {
return void 0;
}
return this.computeHorizonCullingPoint(bs.center, positions, result);
};
var scratchEllipsoidShrunkRadii = new Cartesian3_default();
function getPossiblyShrunkEllipsoid(ellipsoid, minimumHeight, result) {
if (defined_default(minimumHeight) && minimumHeight < 0 && ellipsoid.minimumRadius > -minimumHeight) {
const ellipsoidShrunkRadii = Cartesian3_default.fromElements(
ellipsoid.radii.x + minimumHeight,
ellipsoid.radii.y + minimumHeight,
ellipsoid.radii.z + minimumHeight,
scratchEllipsoidShrunkRadii
);
ellipsoid = Ellipsoid_default.fromCartesian3(ellipsoidShrunkRadii, result);
}
return ellipsoid;
}
function computeHorizonCullingPointFromPositions(ellipsoid, directionToPoint, positions, result) {
Check_default.typeOf.object("directionToPoint", directionToPoint);
Check_default.defined("positions", positions);
if (!defined_default(result)) {
result = new Cartesian3_default();
}
const scaledSpaceDirectionToPoint = computeScaledSpaceDirectionToPoint(
ellipsoid,
directionToPoint
);
let resultMagnitude = 0;
for (let i = 0, len = positions.length; i < len; ++i) {
const position = positions[i];
const candidateMagnitude = computeMagnitude(
ellipsoid,
position,
scaledSpaceDirectionToPoint
);
if (candidateMagnitude < 0) {
return void 0;
}
resultMagnitude = Math.max(resultMagnitude, candidateMagnitude);
}
return magnitudeToPoint(scaledSpaceDirectionToPoint, resultMagnitude, result);
}
var positionScratch = new Cartesian3_default();
function computeHorizonCullingPointFromVertices(ellipsoid, directionToPoint, vertices, stride, center, result) {
Check_default.typeOf.object("directionToPoint", directionToPoint);
Check_default.defined("vertices", vertices);
Check_default.typeOf.number("stride", stride);
if (!defined_default(result)) {
result = new Cartesian3_default();
}
stride = defaultValue_default(stride, 3);
center = defaultValue_default(center, Cartesian3_default.ZERO);
const scaledSpaceDirectionToPoint = computeScaledSpaceDirectionToPoint(
ellipsoid,
directionToPoint
);
let resultMagnitude = 0;
for (let i = 0, len = vertices.length; i < len; i += stride) {
positionScratch.x = vertices[i] + center.x;
positionScratch.y = vertices[i + 1] + center.y;
positionScratch.z = vertices[i + 2] + center.z;
const candidateMagnitude = computeMagnitude(
ellipsoid,
positionScratch,
scaledSpaceDirectionToPoint
);
if (candidateMagnitude < 0) {
return void 0;
}
resultMagnitude = Math.max(resultMagnitude, candidateMagnitude);
}
return magnitudeToPoint(scaledSpaceDirectionToPoint, resultMagnitude, result);
}
function isScaledSpacePointVisible(occludeeScaledSpacePosition, cameraPositionInScaledSpace, distanceToLimbInScaledSpaceSquared) {
const cv = cameraPositionInScaledSpace;
const vhMagnitudeSquared = distanceToLimbInScaledSpaceSquared;
const vt = Cartesian3_default.subtract(
occludeeScaledSpacePosition,
cv,
scratchCartesian
);
const vtDotVc = -Cartesian3_default.dot(vt, cv);
const isOccluded = vhMagnitudeSquared < 0 ? vtDotVc > 0 : vtDotVc > vhMagnitudeSquared && vtDotVc * vtDotVc / Cartesian3_default.magnitudeSquared(vt) > vhMagnitudeSquared;
return !isOccluded;
}
var scaledSpaceScratch = new Cartesian3_default();
var directionScratch = new Cartesian3_default();
function computeMagnitude(ellipsoid, position, scaledSpaceDirectionToPoint) {
const scaledSpacePosition = ellipsoid.transformPositionToScaledSpace(
position,
scaledSpaceScratch
);
let magnitudeSquared = Cartesian3_default.magnitudeSquared(scaledSpacePosition);
let magnitude = Math.sqrt(magnitudeSquared);
const direction = Cartesian3_default.divideByScalar(
scaledSpacePosition,
magnitude,
directionScratch
);
magnitudeSquared = Math.max(1, magnitudeSquared);
magnitude = Math.max(1, magnitude);
const cosAlpha = Cartesian3_default.dot(direction, scaledSpaceDirectionToPoint);
const sinAlpha = Cartesian3_default.magnitude(
Cartesian3_default.cross(direction, scaledSpaceDirectionToPoint, direction)
);
const cosBeta = 1 / magnitude;
const sinBeta = Math.sqrt(magnitudeSquared - 1) * cosBeta;
return 1 / (cosAlpha * cosBeta - sinAlpha * sinBeta);
}
function magnitudeToPoint(scaledSpaceDirectionToPoint, resultMagnitude, result) {
if (resultMagnitude <= 0 || resultMagnitude === 1 / 0 || resultMagnitude !== resultMagnitude) {
return void 0;
}
return Cartesian3_default.multiplyByScalar(
scaledSpaceDirectionToPoint,
resultMagnitude,
result
);
}
var directionToPointScratch = new Cartesian3_default();
function computeScaledSpaceDirectionToPoint(ellipsoid, directionToPoint) {
if (Cartesian3_default.equals(directionToPoint, Cartesian3_default.ZERO)) {
return directionToPoint;
}
ellipsoid.transformPositionToScaledSpace(
directionToPoint,
directionToPointScratch
);
return Cartesian3_default.normalize(directionToPointScratch, directionToPointScratch);
}
var EllipsoidalOccluder_default = EllipsoidalOccluder;
// packages/engine/Source/Core/VerticalExaggeration.js
var VerticalExaggeration = {};
VerticalExaggeration.getHeight = function(height, scale, relativeHeight) {
if (!Number.isFinite(scale)) {
throw new DeveloperError_default("scale must be a finite number.");
}
if (!Number.isFinite(relativeHeight)) {
throw new DeveloperError_default("relativeHeight must be a finite number.");
}
return (height - relativeHeight) * scale + relativeHeight;
};
var scratchCartographic = new Cartographic_default();
VerticalExaggeration.getPosition = function(position, ellipsoid, verticalExaggeration, verticalExaggerationRelativeHeight, result) {
const cartographic = ellipsoid.cartesianToCartographic(
position,
scratchCartographic
);
if (!defined_default(cartographic)) {
return Cartesian3_default.clone(position, result);
}
const newHeight = VerticalExaggeration.getHeight(
cartographic.height,
verticalExaggeration,
verticalExaggerationRelativeHeight
);
return Cartesian3_default.fromRadians(
cartographic.longitude,
cartographic.latitude,
newHeight,
ellipsoid,
result
);
};
var VerticalExaggeration_default = VerticalExaggeration;
// packages/engine/Source/Core/TerrainQuantization.js
var TerrainQuantization = {
/**
* The vertices are not compressed.
*
* @type {number}
* @constant
*/
NONE: 0,
/**
* The vertices are compressed to 12 bits.
*
* @type {number}
* @constant
*/
BITS12: 1
};
var TerrainQuantization_default = Object.freeze(TerrainQuantization);
// packages/engine/Source/Core/TerrainEncoding.js
var cartesian3Scratch = new Cartesian3_default();
var cartesian3DimScratch = new Cartesian3_default();
var cartesian2Scratch = new Cartesian2_default();
var matrix4Scratch = new Matrix4_default();
var matrix4Scratch2 = new Matrix4_default();
var SHIFT_LEFT_12 = Math.pow(2, 12);
function TerrainEncoding(center, axisAlignedBoundingBox, minimumHeight, maximumHeight, fromENU, hasVertexNormals, hasWebMercatorT, hasGeodeticSurfaceNormals, exaggeration, exaggerationRelativeHeight) {
let quantization = TerrainQuantization_default.NONE;
let toENU;
let matrix;
if (defined_default(axisAlignedBoundingBox) && defined_default(minimumHeight) && defined_default(maximumHeight) && defined_default(fromENU)) {
const minimum = axisAlignedBoundingBox.minimum;
const maximum = axisAlignedBoundingBox.maximum;
const dimensions = Cartesian3_default.subtract(
maximum,
minimum,
cartesian3DimScratch
);
const hDim = maximumHeight - minimumHeight;
const maxDim = Math.max(Cartesian3_default.maximumComponent(dimensions), hDim);
if (maxDim < SHIFT_LEFT_12 - 1) {
quantization = TerrainQuantization_default.BITS12;
} else {
quantization = TerrainQuantization_default.NONE;
}
toENU = Matrix4_default.inverseTransformation(fromENU, new Matrix4_default());
const translation = Cartesian3_default.negate(minimum, cartesian3Scratch);
Matrix4_default.multiply(
Matrix4_default.fromTranslation(translation, matrix4Scratch),
toENU,
toENU
);
const scale = cartesian3Scratch;
scale.x = 1 / dimensions.x;
scale.y = 1 / dimensions.y;
scale.z = 1 / dimensions.z;
Matrix4_default.multiply(Matrix4_default.fromScale(scale, matrix4Scratch), toENU, toENU);
matrix = Matrix4_default.clone(fromENU);
Matrix4_default.setTranslation(matrix, Cartesian3_default.ZERO, matrix);
fromENU = Matrix4_default.clone(fromENU, new Matrix4_default());
const translationMatrix = Matrix4_default.fromTranslation(minimum, matrix4Scratch);
const scaleMatrix = Matrix4_default.fromScale(dimensions, matrix4Scratch2);
const st = Matrix4_default.multiply(translationMatrix, scaleMatrix, matrix4Scratch);
Matrix4_default.multiply(fromENU, st, fromENU);
Matrix4_default.multiply(matrix, st, matrix);
}
this.quantization = quantization;
this.minimumHeight = minimumHeight;
this.maximumHeight = maximumHeight;
this.center = Cartesian3_default.clone(center);
this.toScaledENU = toENU;
this.fromScaledENU = fromENU;
this.matrix = matrix;
this.hasVertexNormals = hasVertexNormals;
this.hasWebMercatorT = defaultValue_default(hasWebMercatorT, false);
this.hasGeodeticSurfaceNormals = defaultValue_default(
hasGeodeticSurfaceNormals,
false
);
this.exaggeration = defaultValue_default(exaggeration, 1);
this.exaggerationRelativeHeight = defaultValue_default(
exaggerationRelativeHeight,
0
);
this.stride = 0;
this._offsetGeodeticSurfaceNormal = 0;
this._offsetVertexNormal = 0;
this._calculateStrideAndOffsets();
}
TerrainEncoding.prototype.encode = function(vertexBuffer, bufferIndex, position, uv, height, normalToPack, webMercatorT, geodeticSurfaceNormal) {
const u = uv.x;
const v = uv.y;
if (this.quantization === TerrainQuantization_default.BITS12) {
position = Matrix4_default.multiplyByPoint(
this.toScaledENU,
position,
cartesian3Scratch
);
position.x = Math_default.clamp(position.x, 0, 1);
position.y = Math_default.clamp(position.y, 0, 1);
position.z = Math_default.clamp(position.z, 0, 1);
const hDim = this.maximumHeight - this.minimumHeight;
const h = Math_default.clamp((height - this.minimumHeight) / hDim, 0, 1);
Cartesian2_default.fromElements(position.x, position.y, cartesian2Scratch);
const compressed0 = AttributeCompression_default.compressTextureCoordinates(
cartesian2Scratch
);
Cartesian2_default.fromElements(position.z, h, cartesian2Scratch);
const compressed1 = AttributeCompression_default.compressTextureCoordinates(
cartesian2Scratch
);
Cartesian2_default.fromElements(u, v, cartesian2Scratch);
const compressed2 = AttributeCompression_default.compressTextureCoordinates(
cartesian2Scratch
);
vertexBuffer[bufferIndex++] = compressed0;
vertexBuffer[bufferIndex++] = compressed1;
vertexBuffer[bufferIndex++] = compressed2;
if (this.hasWebMercatorT) {
Cartesian2_default.fromElements(webMercatorT, 0, cartesian2Scratch);
const compressed3 = AttributeCompression_default.compressTextureCoordinates(
cartesian2Scratch
);
vertexBuffer[bufferIndex++] = compressed3;
}
} else {
Cartesian3_default.subtract(position, this.center, cartesian3Scratch);
vertexBuffer[bufferIndex++] = cartesian3Scratch.x;
vertexBuffer[bufferIndex++] = cartesian3Scratch.y;
vertexBuffer[bufferIndex++] = cartesian3Scratch.z;
vertexBuffer[bufferIndex++] = height;
vertexBuffer[bufferIndex++] = u;
vertexBuffer[bufferIndex++] = v;
if (this.hasWebMercatorT) {
vertexBuffer[bufferIndex++] = webMercatorT;
}
}
if (this.hasVertexNormals) {
vertexBuffer[bufferIndex++] = AttributeCompression_default.octPackFloat(
normalToPack
);
}
if (this.hasGeodeticSurfaceNormals) {
vertexBuffer[bufferIndex++] = geodeticSurfaceNormal.x;
vertexBuffer[bufferIndex++] = geodeticSurfaceNormal.y;
vertexBuffer[bufferIndex++] = geodeticSurfaceNormal.z;
}
return bufferIndex;
};
var scratchPosition = new Cartesian3_default();
var scratchGeodeticSurfaceNormal = new Cartesian3_default();
TerrainEncoding.prototype.addGeodeticSurfaceNormals = function(oldBuffer, newBuffer, ellipsoid) {
if (this.hasGeodeticSurfaceNormals) {
return;
}
const oldStride = this.stride;
const vertexCount = oldBuffer.length / oldStride;
this.hasGeodeticSurfaceNormals = true;
this._calculateStrideAndOffsets();
const newStride = this.stride;
for (let index = 0; index < vertexCount; index++) {
for (let offset = 0; offset < oldStride; offset++) {
const oldIndex = index * oldStride + offset;
const newIndex = index * newStride + offset;
newBuffer[newIndex] = oldBuffer[oldIndex];
}
const position = this.decodePosition(newBuffer, index, scratchPosition);
const geodeticSurfaceNormal = ellipsoid.geodeticSurfaceNormal(
position,
scratchGeodeticSurfaceNormal
);
const bufferIndex = index * newStride + this._offsetGeodeticSurfaceNormal;
newBuffer[bufferIndex] = geodeticSurfaceNormal.x;
newBuffer[bufferIndex + 1] = geodeticSurfaceNormal.y;
newBuffer[bufferIndex + 2] = geodeticSurfaceNormal.z;
}
};
TerrainEncoding.prototype.removeGeodeticSurfaceNormals = function(oldBuffer, newBuffer) {
if (!this.hasGeodeticSurfaceNormals) {
return;
}
const oldStride = this.stride;
const vertexCount = oldBuffer.length / oldStride;
this.hasGeodeticSurfaceNormals = false;
this._calculateStrideAndOffsets();
const newStride = this.stride;
for (let index = 0; index < vertexCount; index++) {
for (let offset = 0; offset < newStride; offset++) {
const oldIndex = index * oldStride + offset;
const newIndex = index * newStride + offset;
newBuffer[newIndex] = oldBuffer[oldIndex];
}
}
};
TerrainEncoding.prototype.decodePosition = function(buffer, index, result) {
if (!defined_default(result)) {
result = new Cartesian3_default();
}
index *= this.stride;
if (this.quantization === TerrainQuantization_default.BITS12) {
const xy = AttributeCompression_default.decompressTextureCoordinates(
buffer[index],
cartesian2Scratch
);
result.x = xy.x;
result.y = xy.y;
const zh = AttributeCompression_default.decompressTextureCoordinates(
buffer[index + 1],
cartesian2Scratch
);
result.z = zh.x;
return Matrix4_default.multiplyByPoint(this.fromScaledENU, result, result);
}
result.x = buffer[index];
result.y = buffer[index + 1];
result.z = buffer[index + 2];
return Cartesian3_default.add(result, this.center, result);
};
TerrainEncoding.prototype.getExaggeratedPosition = function(buffer, index, result) {
result = this.decodePosition(buffer, index, result);
const exaggeration = this.exaggeration;
const exaggerationRelativeHeight = this.exaggerationRelativeHeight;
const hasExaggeration = exaggeration !== 1;
if (hasExaggeration && this.hasGeodeticSurfaceNormals) {
const geodeticSurfaceNormal = this.decodeGeodeticSurfaceNormal(
buffer,
index,
scratchGeodeticSurfaceNormal
);
const rawHeight = this.decodeHeight(buffer, index);
const heightDifference = VerticalExaggeration_default.getHeight(
rawHeight,
exaggeration,
exaggerationRelativeHeight
) - rawHeight;
result.x += geodeticSurfaceNormal.x * heightDifference;
result.y += geodeticSurfaceNormal.y * heightDifference;
result.z += geodeticSurfaceNormal.z * heightDifference;
}
return result;
};
TerrainEncoding.prototype.decodeTextureCoordinates = function(buffer, index, result) {
if (!defined_default(result)) {
result = new Cartesian2_default();
}
index *= this.stride;
if (this.quantization === TerrainQuantization_default.BITS12) {
return AttributeCompression_default.decompressTextureCoordinates(
buffer[index + 2],
result
);
}
return Cartesian2_default.fromElements(buffer[index + 4], buffer[index + 5], result);
};
TerrainEncoding.prototype.decodeHeight = function(buffer, index) {
index *= this.stride;
if (this.quantization === TerrainQuantization_default.BITS12) {
const zh = AttributeCompression_default.decompressTextureCoordinates(
buffer[index + 1],
cartesian2Scratch
);
return zh.y * (this.maximumHeight - this.minimumHeight) + this.minimumHeight;
}
return buffer[index + 3];
};
TerrainEncoding.prototype.decodeWebMercatorT = function(buffer, index) {
index *= this.stride;
if (this.quantization === TerrainQuantization_default.BITS12) {
return AttributeCompression_default.decompressTextureCoordinates(
buffer[index + 3],
cartesian2Scratch
).x;
}
return buffer[index + 6];
};
TerrainEncoding.prototype.getOctEncodedNormal = function(buffer, index, result) {
index = index * this.stride + this._offsetVertexNormal;
const temp = buffer[index] / 256;
const x = Math.floor(temp);
const y = (temp - x) * 256;
return Cartesian2_default.fromElements(x, y, result);
};
TerrainEncoding.prototype.decodeGeodeticSurfaceNormal = function(buffer, index, result) {
index = index * this.stride + this._offsetGeodeticSurfaceNormal;
result.x = buffer[index];
result.y = buffer[index + 1];
result.z = buffer[index + 2];
return result;
};
TerrainEncoding.prototype._calculateStrideAndOffsets = function() {
let vertexStride = 0;
switch (this.quantization) {
case TerrainQuantization_default.BITS12:
vertexStride += 3;
break;
default:
vertexStride += 6;
}
if (this.hasWebMercatorT) {
vertexStride += 1;
}
if (this.hasVertexNormals) {
this._offsetVertexNormal = vertexStride;
vertexStride += 1;
}
if (this.hasGeodeticSurfaceNormals) {
this._offsetGeodeticSurfaceNormal = vertexStride;
vertexStride += 3;
}
this.stride = vertexStride;
};
var attributesIndicesNone = {
position3DAndHeight: 0,
textureCoordAndEncodedNormals: 1,
geodeticSurfaceNormal: 2
};
var attributesIndicesBits12 = {
compressed0: 0,
compressed1: 1,
geodeticSurfaceNormal: 2
};
TerrainEncoding.prototype.getAttributes = function(buffer) {
const datatype = ComponentDatatype_default.FLOAT;
const sizeInBytes = ComponentDatatype_default.getSizeInBytes(datatype);
const strideInBytes = this.stride * sizeInBytes;
let offsetInBytes = 0;
const attributes = [];
function addAttribute(index, componentsPerAttribute) {
attributes.push({
index,
vertexBuffer: buffer,
componentDatatype: datatype,
componentsPerAttribute,
offsetInBytes,
strideInBytes
});
offsetInBytes += componentsPerAttribute * sizeInBytes;
}
if (this.quantization === TerrainQuantization_default.NONE) {
addAttribute(attributesIndicesNone.position3DAndHeight, 4);
let componentsTexCoordAndNormals = 2;
componentsTexCoordAndNormals += this.hasWebMercatorT ? 1 : 0;
componentsTexCoordAndNormals += this.hasVertexNormals ? 1 : 0;
addAttribute(
attributesIndicesNone.textureCoordAndEncodedNormals,
componentsTexCoordAndNormals
);
if (this.hasGeodeticSurfaceNormals) {
addAttribute(attributesIndicesNone.geodeticSurfaceNormal, 3);
}
} else {
const usingAttribute0Component4 = this.hasWebMercatorT || this.hasVertexNormals;
const usingAttribute1Component1 = this.hasWebMercatorT && this.hasVertexNormals;
addAttribute(
attributesIndicesBits12.compressed0,
usingAttribute0Component4 ? 4 : 3
);
if (usingAttribute1Component1) {
addAttribute(attributesIndicesBits12.compressed1, 1);
}
if (this.hasGeodeticSurfaceNormals) {
addAttribute(attributesIndicesBits12.geodeticSurfaceNormal, 3);
}
}
return attributes;
};
TerrainEncoding.prototype.getAttributeLocations = function() {
if (this.quantization === TerrainQuantization_default.NONE) {
return attributesIndicesNone;
}
return attributesIndicesBits12;
};
TerrainEncoding.clone = function(encoding, result) {
if (!defined_default(encoding)) {
return void 0;
}
if (!defined_default(result)) {
result = new TerrainEncoding();
}
result.quantization = encoding.quantization;
result.minimumHeight = encoding.minimumHeight;
result.maximumHeight = encoding.maximumHeight;
result.center = Cartesian3_default.clone(encoding.center);
result.toScaledENU = Matrix4_default.clone(encoding.toScaledENU);
result.fromScaledENU = Matrix4_default.clone(encoding.fromScaledENU);
result.matrix = Matrix4_default.clone(encoding.matrix);
result.hasVertexNormals = encoding.hasVertexNormals;
result.hasWebMercatorT = encoding.hasWebMercatorT;
result.hasGeodeticSurfaceNormals = encoding.hasGeodeticSurfaceNormals;
result.exaggeration = encoding.exaggeration;
result.exaggerationRelativeHeight = encoding.exaggerationRelativeHeight;
result._calculateStrideAndOffsets();
return result;
};
var TerrainEncoding_default = TerrainEncoding;
export {
EllipsoidalOccluder_default,
TerrainEncoding_default
};
/**
* @license
* Cesium - https://github.com/CesiumGS/cesium
* Version 1.121.2
*
* Copyright 2011-2022 Cesium Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Columbus View (Pat. Pend.)
*
* Portions licensed separately.
* See https://github.com/CesiumGS/cesium/blob/main/LICENSE.md for full licensing details.
*/
import {
Math_default
} from "./chunk-WGDFYAGC.js";
import {
defaultValue_default
} from "./chunk-U5HSOKPQ.js";
import {
Check_default
} from "./chunk-P6TRGU3S.js";
import {
defined_default
} from "./chunk-YCDZX5LS.js";
// packages/engine/Source/Core/arrayRemoveDuplicates.js
var removeDuplicatesEpsilon = Math_default.EPSILON10;
function arrayRemoveDuplicates(values, equalsEpsilon, wrapAround, removedIndices) {
Check_default.defined("equalsEpsilon", equalsEpsilon);
if (!defined_default(values)) {
return void 0;
}
wrapAround = defaultValue_default(wrapAround, false);
const storeRemovedIndices = defined_default(removedIndices);
const length = values.length;
if (length < 2) {
return values;
}
let i;
let v0 = values[0];
let v1;
let cleanedValues;
let lastCleanIndex = 0;
let removedIndexLCI = -1;
for (i = 1; i < length; ++i) {
v1 = values[i];
if (equalsEpsilon(v0, v1, removeDuplicatesEpsilon)) {
if (!defined_default(cleanedValues)) {
cleanedValues = values.slice(0, i);
lastCleanIndex = i - 1;
removedIndexLCI = 0;
}
if (storeRemovedIndices) {
removedIndices.push(i);
}
} else {
if (defined_default(cleanedValues)) {
cleanedValues.push(v1);
lastCleanIndex = i;
if (storeRemovedIndices) {
removedIndexLCI = removedIndices.length;
}
}
v0 = v1;
}
}
if (wrapAround && equalsEpsilon(values[0], values[length - 1], removeDuplicatesEpsilon)) {
if (storeRemovedIndices) {
if (defined_default(cleanedValues)) {
removedIndices.splice(removedIndexLCI, 0, lastCleanIndex);
} else {
removedIndices.push(length - 1);
}
}
if (defined_default(cleanedValues)) {
cleanedValues.length -= 1;
} else {
cleanedValues = values.slice(0, -1);
}
}
return defined_default(cleanedValues) ? cleanedValues : values;
}
var arrayRemoveDuplicates_default = arrayRemoveDuplicates;
export {
arrayRemoveDuplicates_default
};
This source diff could not be displayed because it is too large. You can view the blob instead.
/**
* @license
* Cesium - https://github.com/CesiumGS/cesium
* Version 1.121.2
*
* Copyright 2011-2022 Cesium Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Columbus View (Pat. Pend.)
*
* Portions licensed separately.
* See https://github.com/CesiumGS/cesium/blob/main/LICENSE.md for full licensing details.
*/
import {
VertexFormat_default
} from "./chunk-JBSKHTNX.js";
import {
Plane_default
} from "./chunk-EDLRS3AW.js";
import {
GeometryAttributes_default
} from "./chunk-X7IQYYHF.js";
import {
GeometryAttribute_default,
Geometry_default,
PrimitiveType_default
} from "./chunk-JXVLNVXC.js";
import {
BoundingSphere_default,
Intersect_default
} from "./chunk-KHZNBFOH.js";
import {
Cartesian4_default,
Matrix4_default,
Quaternion_default
} from "./chunk-6SQMLVGV.js";
import {
ComponentDatatype_default
} from "./chunk-XIUSRWL6.js";
import {
Cartesian3_default,
Matrix3_default
} from "./chunk-FFLMY4TE.js";
import {
Math_default
} from "./chunk-WGDFYAGC.js";
import {
defaultValue_default
} from "./chunk-U5HSOKPQ.js";
import {
Check_default,
DeveloperError_default
} from "./chunk-P6TRGU3S.js";
import {
defined_default
} from "./chunk-YCDZX5LS.js";
// packages/engine/Source/Core/CullingVolume.js
function CullingVolume(planes) {
this.planes = defaultValue_default(planes, []);
}
var faces = [new Cartesian3_default(), new Cartesian3_default(), new Cartesian3_default()];
Cartesian3_default.clone(Cartesian3_default.UNIT_X, faces[0]);
Cartesian3_default.clone(Cartesian3_default.UNIT_Y, faces[1]);
Cartesian3_default.clone(Cartesian3_default.UNIT_Z, faces[2]);
var scratchPlaneCenter = new Cartesian3_default();
var scratchPlaneNormal = new Cartesian3_default();
var scratchPlane = new Plane_default(new Cartesian3_default(1, 0, 0), 0);
CullingVolume.fromBoundingSphere = function(boundingSphere, result) {
if (!defined_default(boundingSphere)) {
throw new DeveloperError_default("boundingSphere is required.");
}
if (!defined_default(result)) {
result = new CullingVolume();
}
const length = faces.length;
const planes = result.planes;
planes.length = 2 * length;
const center = boundingSphere.center;
const radius = boundingSphere.radius;
let planeIndex = 0;
for (let i = 0; i < length; ++i) {
const faceNormal = faces[i];
let plane0 = planes[planeIndex];
let plane1 = planes[planeIndex + 1];
if (!defined_default(plane0)) {
plane0 = planes[planeIndex] = new Cartesian4_default();
}
if (!defined_default(plane1)) {
plane1 = planes[planeIndex + 1] = new Cartesian4_default();
}
Cartesian3_default.multiplyByScalar(faceNormal, -radius, scratchPlaneCenter);
Cartesian3_default.add(center, scratchPlaneCenter, scratchPlaneCenter);
plane0.x = faceNormal.x;
plane0.y = faceNormal.y;
plane0.z = faceNormal.z;
plane0.w = -Cartesian3_default.dot(faceNormal, scratchPlaneCenter);
Cartesian3_default.multiplyByScalar(faceNormal, radius, scratchPlaneCenter);
Cartesian3_default.add(center, scratchPlaneCenter, scratchPlaneCenter);
plane1.x = -faceNormal.x;
plane1.y = -faceNormal.y;
plane1.z = -faceNormal.z;
plane1.w = -Cartesian3_default.dot(
Cartesian3_default.negate(faceNormal, scratchPlaneNormal),
scratchPlaneCenter
);
planeIndex += 2;
}
return result;
};
CullingVolume.prototype.computeVisibility = function(boundingVolume) {
if (!defined_default(boundingVolume)) {
throw new DeveloperError_default("boundingVolume is required.");
}
const planes = this.planes;
let intersecting = false;
for (let k = 0, len = planes.length; k < len; ++k) {
const result = boundingVolume.intersectPlane(
Plane_default.fromCartesian4(planes[k], scratchPlane)
);
if (result === Intersect_default.OUTSIDE) {
return Intersect_default.OUTSIDE;
} else if (result === Intersect_default.INTERSECTING) {
intersecting = true;
}
}
return intersecting ? Intersect_default.INTERSECTING : Intersect_default.INSIDE;
};
CullingVolume.prototype.computeVisibilityWithPlaneMask = function(boundingVolume, parentPlaneMask) {
if (!defined_default(boundingVolume)) {
throw new DeveloperError_default("boundingVolume is required.");
}
if (!defined_default(parentPlaneMask)) {
throw new DeveloperError_default("parentPlaneMask is required.");
}
if (parentPlaneMask === CullingVolume.MASK_OUTSIDE || parentPlaneMask === CullingVolume.MASK_INSIDE) {
return parentPlaneMask;
}
let mask = CullingVolume.MASK_INSIDE;
const planes = this.planes;
for (let k = 0, len = planes.length; k < len; ++k) {
const flag = k < 31 ? 1 << k : 0;
if (k < 31 && (parentPlaneMask & flag) === 0) {
continue;
}
const result = boundingVolume.intersectPlane(
Plane_default.fromCartesian4(planes[k], scratchPlane)
);
if (result === Intersect_default.OUTSIDE) {
return CullingVolume.MASK_OUTSIDE;
} else if (result === Intersect_default.INTERSECTING) {
mask |= flag;
}
}
return mask;
};
CullingVolume.MASK_OUTSIDE = 4294967295;
CullingVolume.MASK_INSIDE = 0;
CullingVolume.MASK_INDETERMINATE = 2147483647;
var CullingVolume_default = CullingVolume;
// packages/engine/Source/Core/OrthographicOffCenterFrustum.js
function OrthographicOffCenterFrustum(options) {
options = defaultValue_default(options, defaultValue_default.EMPTY_OBJECT);
this.left = options.left;
this._left = void 0;
this.right = options.right;
this._right = void 0;
this.top = options.top;
this._top = void 0;
this.bottom = options.bottom;
this._bottom = void 0;
this.near = defaultValue_default(options.near, 1);
this._near = this.near;
this.far = defaultValue_default(options.far, 5e8);
this._far = this.far;
this._cullingVolume = new CullingVolume_default();
this._orthographicMatrix = new Matrix4_default();
}
function update(frustum) {
if (!defined_default(frustum.right) || !defined_default(frustum.left) || !defined_default(frustum.top) || !defined_default(frustum.bottom) || !defined_default(frustum.near) || !defined_default(frustum.far)) {
throw new DeveloperError_default(
"right, left, top, bottom, near, or far parameters are not set."
);
}
if (frustum.top !== frustum._top || frustum.bottom !== frustum._bottom || frustum.left !== frustum._left || frustum.right !== frustum._right || frustum.near !== frustum._near || frustum.far !== frustum._far) {
if (frustum.left > frustum.right) {
throw new DeveloperError_default("right must be greater than left.");
}
if (frustum.bottom > frustum.top) {
throw new DeveloperError_default("top must be greater than bottom.");
}
if (frustum.near <= 0 || frustum.near > frustum.far) {
throw new DeveloperError_default(
"near must be greater than zero and less than far."
);
}
frustum._left = frustum.left;
frustum._right = frustum.right;
frustum._top = frustum.top;
frustum._bottom = frustum.bottom;
frustum._near = frustum.near;
frustum._far = frustum.far;
frustum._orthographicMatrix = Matrix4_default.computeOrthographicOffCenter(
frustum.left,
frustum.right,
frustum.bottom,
frustum.top,
frustum.near,
frustum.far,
frustum._orthographicMatrix
);
}
}
Object.defineProperties(OrthographicOffCenterFrustum.prototype, {
/**
* Gets the orthographic projection matrix computed from the view frustum.
* @memberof OrthographicOffCenterFrustum.prototype
* @type {Matrix4}
* @readonly
*/
projectionMatrix: {
get: function() {
update(this);
return this._orthographicMatrix;
}
}
});
var getPlanesRight = new Cartesian3_default();
var getPlanesNearCenter = new Cartesian3_default();
var getPlanesPoint = new Cartesian3_default();
var negateScratch = new Cartesian3_default();
OrthographicOffCenterFrustum.prototype.computeCullingVolume = function(position, direction, up) {
if (!defined_default(position)) {
throw new DeveloperError_default("position is required.");
}
if (!defined_default(direction)) {
throw new DeveloperError_default("direction is required.");
}
if (!defined_default(up)) {
throw new DeveloperError_default("up is required.");
}
const planes = this._cullingVolume.planes;
const t = this.top;
const b = this.bottom;
const r = this.right;
const l = this.left;
const n = this.near;
const f = this.far;
const right = Cartesian3_default.cross(direction, up, getPlanesRight);
Cartesian3_default.normalize(right, right);
const nearCenter = getPlanesNearCenter;
Cartesian3_default.multiplyByScalar(direction, n, nearCenter);
Cartesian3_default.add(position, nearCenter, nearCenter);
const point = getPlanesPoint;
Cartesian3_default.multiplyByScalar(right, l, point);
Cartesian3_default.add(nearCenter, point, point);
let plane = planes[0];
if (!defined_default(plane)) {
plane = planes[0] = new Cartesian4_default();
}
plane.x = right.x;
plane.y = right.y;
plane.z = right.z;
plane.w = -Cartesian3_default.dot(right, point);
Cartesian3_default.multiplyByScalar(right, r, point);
Cartesian3_default.add(nearCenter, point, point);
plane = planes[1];
if (!defined_default(plane)) {
plane = planes[1] = new Cartesian4_default();
}
plane.x = -right.x;
plane.y = -right.y;
plane.z = -right.z;
plane.w = -Cartesian3_default.dot(Cartesian3_default.negate(right, negateScratch), point);
Cartesian3_default.multiplyByScalar(up, b, point);
Cartesian3_default.add(nearCenter, point, point);
plane = planes[2];
if (!defined_default(plane)) {
plane = planes[2] = new Cartesian4_default();
}
plane.x = up.x;
plane.y = up.y;
plane.z = up.z;
plane.w = -Cartesian3_default.dot(up, point);
Cartesian3_default.multiplyByScalar(up, t, point);
Cartesian3_default.add(nearCenter, point, point);
plane = planes[3];
if (!defined_default(plane)) {
plane = planes[3] = new Cartesian4_default();
}
plane.x = -up.x;
plane.y = -up.y;
plane.z = -up.z;
plane.w = -Cartesian3_default.dot(Cartesian3_default.negate(up, negateScratch), point);
plane = planes[4];
if (!defined_default(plane)) {
plane = planes[4] = new Cartesian4_default();
}
plane.x = direction.x;
plane.y = direction.y;
plane.z = direction.z;
plane.w = -Cartesian3_default.dot(direction, nearCenter);
Cartesian3_default.multiplyByScalar(direction, f, point);
Cartesian3_default.add(position, point, point);
plane = planes[5];
if (!defined_default(plane)) {
plane = planes[5] = new Cartesian4_default();
}
plane.x = -direction.x;
plane.y = -direction.y;
plane.z = -direction.z;
plane.w = -Cartesian3_default.dot(Cartesian3_default.negate(direction, negateScratch), point);
return this._cullingVolume;
};
OrthographicOffCenterFrustum.prototype.getPixelDimensions = function(drawingBufferWidth, drawingBufferHeight, distance, pixelRatio, result) {
update(this);
if (!defined_default(drawingBufferWidth) || !defined_default(drawingBufferHeight)) {
throw new DeveloperError_default(
"Both drawingBufferWidth and drawingBufferHeight are required."
);
}
if (drawingBufferWidth <= 0) {
throw new DeveloperError_default("drawingBufferWidth must be greater than zero.");
}
if (drawingBufferHeight <= 0) {
throw new DeveloperError_default("drawingBufferHeight must be greater than zero.");
}
if (!defined_default(distance)) {
throw new DeveloperError_default("distance is required.");
}
if (!defined_default(pixelRatio)) {
throw new DeveloperError_default("pixelRatio is required.");
}
if (pixelRatio <= 0) {
throw new DeveloperError_default("pixelRatio must be greater than zero.");
}
if (!defined_default(result)) {
throw new DeveloperError_default("A result object is required.");
}
const frustumWidth = this.right - this.left;
const frustumHeight = this.top - this.bottom;
const pixelWidth = pixelRatio * frustumWidth / drawingBufferWidth;
const pixelHeight = pixelRatio * frustumHeight / drawingBufferHeight;
result.x = pixelWidth;
result.y = pixelHeight;
return result;
};
OrthographicOffCenterFrustum.prototype.clone = function(result) {
if (!defined_default(result)) {
result = new OrthographicOffCenterFrustum();
}
result.left = this.left;
result.right = this.right;
result.top = this.top;
result.bottom = this.bottom;
result.near = this.near;
result.far = this.far;
result._left = void 0;
result._right = void 0;
result._top = void 0;
result._bottom = void 0;
result._near = void 0;
result._far = void 0;
return result;
};
OrthographicOffCenterFrustum.prototype.equals = function(other) {
return defined_default(other) && other instanceof OrthographicOffCenterFrustum && this.right === other.right && this.left === other.left && this.top === other.top && this.bottom === other.bottom && this.near === other.near && this.far === other.far;
};
OrthographicOffCenterFrustum.prototype.equalsEpsilon = function(other, relativeEpsilon, absoluteEpsilon) {
return other === this || defined_default(other) && other instanceof OrthographicOffCenterFrustum && Math_default.equalsEpsilon(
this.right,
other.right,
relativeEpsilon,
absoluteEpsilon
) && Math_default.equalsEpsilon(
this.left,
other.left,
relativeEpsilon,
absoluteEpsilon
) && Math_default.equalsEpsilon(
this.top,
other.top,
relativeEpsilon,
absoluteEpsilon
) && Math_default.equalsEpsilon(
this.bottom,
other.bottom,
relativeEpsilon,
absoluteEpsilon
) && Math_default.equalsEpsilon(
this.near,
other.near,
relativeEpsilon,
absoluteEpsilon
) && Math_default.equalsEpsilon(
this.far,
other.far,
relativeEpsilon,
absoluteEpsilon
);
};
var OrthographicOffCenterFrustum_default = OrthographicOffCenterFrustum;
// packages/engine/Source/Core/OrthographicFrustum.js
function OrthographicFrustum(options) {
options = defaultValue_default(options, defaultValue_default.EMPTY_OBJECT);
this._offCenterFrustum = new OrthographicOffCenterFrustum_default();
this.width = options.width;
this._width = void 0;
this.aspectRatio = options.aspectRatio;
this._aspectRatio = void 0;
this.near = defaultValue_default(options.near, 1);
this._near = this.near;
this.far = defaultValue_default(options.far, 5e8);
this._far = this.far;
}
OrthographicFrustum.packedLength = 4;
OrthographicFrustum.pack = function(value, array, startingIndex) {
Check_default.typeOf.object("value", value);
Check_default.defined("array", array);
startingIndex = defaultValue_default(startingIndex, 0);
array[startingIndex++] = value.width;
array[startingIndex++] = value.aspectRatio;
array[startingIndex++] = value.near;
array[startingIndex] = value.far;
return array;
};
OrthographicFrustum.unpack = function(array, startingIndex, result) {
Check_default.defined("array", array);
startingIndex = defaultValue_default(startingIndex, 0);
if (!defined_default(result)) {
result = new OrthographicFrustum();
}
result.width = array[startingIndex++];
result.aspectRatio = array[startingIndex++];
result.near = array[startingIndex++];
result.far = array[startingIndex];
return result;
};
function update2(frustum) {
if (!defined_default(frustum.width) || !defined_default(frustum.aspectRatio) || !defined_default(frustum.near) || !defined_default(frustum.far)) {
throw new DeveloperError_default(
"width, aspectRatio, near, or far parameters are not set."
);
}
const f = frustum._offCenterFrustum;
if (frustum.width !== frustum._width || frustum.aspectRatio !== frustum._aspectRatio || frustum.near !== frustum._near || frustum.far !== frustum._far) {
if (frustum.aspectRatio < 0) {
throw new DeveloperError_default("aspectRatio must be positive.");
}
if (frustum.near < 0 || frustum.near > frustum.far) {
throw new DeveloperError_default(
"near must be greater than zero and less than far."
);
}
frustum._aspectRatio = frustum.aspectRatio;
frustum._width = frustum.width;
frustum._near = frustum.near;
frustum._far = frustum.far;
const ratio = 1 / frustum.aspectRatio;
f.right = frustum.width * 0.5;
f.left = -f.right;
f.top = ratio * f.right;
f.bottom = -f.top;
f.near = frustum.near;
f.far = frustum.far;
}
}
Object.defineProperties(OrthographicFrustum.prototype, {
/**
* Gets the orthographic projection matrix computed from the view frustum.
* @memberof OrthographicFrustum.prototype
* @type {Matrix4}
* @readonly
*/
projectionMatrix: {
get: function() {
update2(this);
return this._offCenterFrustum.projectionMatrix;
}
},
/**
* Gets the orthographic projection matrix computed from the view frustum.
* @memberof OrthographicFrustum.prototype
* @type {OrthographicOffCenterFrustum}
* @readonly
* @private
*/
offCenterFrustum: {
get: function() {
update2(this);
return this._offCenterFrustum;
}
}
});
OrthographicFrustum.prototype.computeCullingVolume = function(position, direction, up) {
update2(this);
return this._offCenterFrustum.computeCullingVolume(position, direction, up);
};
OrthographicFrustum.prototype.getPixelDimensions = function(drawingBufferWidth, drawingBufferHeight, distance, pixelRatio, result) {
update2(this);
return this._offCenterFrustum.getPixelDimensions(
drawingBufferWidth,
drawingBufferHeight,
distance,
pixelRatio,
result
);
};
OrthographicFrustum.prototype.clone = function(result) {
if (!defined_default(result)) {
result = new OrthographicFrustum();
}
result.aspectRatio = this.aspectRatio;
result.width = this.width;
result.near = this.near;
result.far = this.far;
result._aspectRatio = void 0;
result._width = void 0;
result._near = void 0;
result._far = void 0;
this._offCenterFrustum.clone(result._offCenterFrustum);
return result;
};
OrthographicFrustum.prototype.equals = function(other) {
if (!defined_default(other) || !(other instanceof OrthographicFrustum)) {
return false;
}
update2(this);
update2(other);
return this.width === other.width && this.aspectRatio === other.aspectRatio && this._offCenterFrustum.equals(other._offCenterFrustum);
};
OrthographicFrustum.prototype.equalsEpsilon = function(other, relativeEpsilon, absoluteEpsilon) {
if (!defined_default(other) || !(other instanceof OrthographicFrustum)) {
return false;
}
update2(this);
update2(other);
return Math_default.equalsEpsilon(
this.width,
other.width,
relativeEpsilon,
absoluteEpsilon
) && Math_default.equalsEpsilon(
this.aspectRatio,
other.aspectRatio,
relativeEpsilon,
absoluteEpsilon
) && this._offCenterFrustum.equalsEpsilon(
other._offCenterFrustum,
relativeEpsilon,
absoluteEpsilon
);
};
var OrthographicFrustum_default = OrthographicFrustum;
// packages/engine/Source/Core/PerspectiveOffCenterFrustum.js
function PerspectiveOffCenterFrustum(options) {
options = defaultValue_default(options, defaultValue_default.EMPTY_OBJECT);
this.left = options.left;
this._left = void 0;
this.right = options.right;
this._right = void 0;
this.top = options.top;
this._top = void 0;
this.bottom = options.bottom;
this._bottom = void 0;
this.near = defaultValue_default(options.near, 1);
this._near = this.near;
this.far = defaultValue_default(options.far, 5e8);
this._far = this.far;
this._cullingVolume = new CullingVolume_default();
this._perspectiveMatrix = new Matrix4_default();
this._infinitePerspective = new Matrix4_default();
}
function update3(frustum) {
if (!defined_default(frustum.right) || !defined_default(frustum.left) || !defined_default(frustum.top) || !defined_default(frustum.bottom) || !defined_default(frustum.near) || !defined_default(frustum.far)) {
throw new DeveloperError_default(
"right, left, top, bottom, near, or far parameters are not set."
);
}
const t = frustum.top;
const b = frustum.bottom;
const r = frustum.right;
const l = frustum.left;
const n = frustum.near;
const f = frustum.far;
if (t !== frustum._top || b !== frustum._bottom || l !== frustum._left || r !== frustum._right || n !== frustum._near || f !== frustum._far) {
if (frustum.near <= 0 || frustum.near > frustum.far) {
throw new DeveloperError_default(
"near must be greater than zero and less than far."
);
}
frustum._left = l;
frustum._right = r;
frustum._top = t;
frustum._bottom = b;
frustum._near = n;
frustum._far = f;
frustum._perspectiveMatrix = Matrix4_default.computePerspectiveOffCenter(
l,
r,
b,
t,
n,
f,
frustum._perspectiveMatrix
);
frustum._infinitePerspective = Matrix4_default.computeInfinitePerspectiveOffCenter(
l,
r,
b,
t,
n,
frustum._infinitePerspective
);
}
}
Object.defineProperties(PerspectiveOffCenterFrustum.prototype, {
/**
* Gets the perspective projection matrix computed from the view frustum.
* @memberof PerspectiveOffCenterFrustum.prototype
* @type {Matrix4}
* @readonly
*
* @see PerspectiveOffCenterFrustum#infiniteProjectionMatrix
*/
projectionMatrix: {
get: function() {
update3(this);
return this._perspectiveMatrix;
}
},
/**
* Gets the perspective projection matrix computed from the view frustum with an infinite far plane.
* @memberof PerspectiveOffCenterFrustum.prototype
* @type {Matrix4}
* @readonly
*
* @see PerspectiveOffCenterFrustum#projectionMatrix
*/
infiniteProjectionMatrix: {
get: function() {
update3(this);
return this._infinitePerspective;
}
}
});
var getPlanesRight2 = new Cartesian3_default();
var getPlanesNearCenter2 = new Cartesian3_default();
var getPlanesFarCenter = new Cartesian3_default();
var getPlanesNormal = new Cartesian3_default();
PerspectiveOffCenterFrustum.prototype.computeCullingVolume = function(position, direction, up) {
if (!defined_default(position)) {
throw new DeveloperError_default("position is required.");
}
if (!defined_default(direction)) {
throw new DeveloperError_default("direction is required.");
}
if (!defined_default(up)) {
throw new DeveloperError_default("up is required.");
}
const planes = this._cullingVolume.planes;
const t = this.top;
const b = this.bottom;
const r = this.right;
const l = this.left;
const n = this.near;
const f = this.far;
const right = Cartesian3_default.cross(direction, up, getPlanesRight2);
const nearCenter = getPlanesNearCenter2;
Cartesian3_default.multiplyByScalar(direction, n, nearCenter);
Cartesian3_default.add(position, nearCenter, nearCenter);
const farCenter = getPlanesFarCenter;
Cartesian3_default.multiplyByScalar(direction, f, farCenter);
Cartesian3_default.add(position, farCenter, farCenter);
const normal = getPlanesNormal;
Cartesian3_default.multiplyByScalar(right, l, normal);
Cartesian3_default.add(nearCenter, normal, normal);
Cartesian3_default.subtract(normal, position, normal);
Cartesian3_default.normalize(normal, normal);
Cartesian3_default.cross(normal, up, normal);
Cartesian3_default.normalize(normal, normal);
let plane = planes[0];
if (!defined_default(plane)) {
plane = planes[0] = new Cartesian4_default();
}
plane.x = normal.x;
plane.y = normal.y;
plane.z = normal.z;
plane.w = -Cartesian3_default.dot(normal, position);
Cartesian3_default.multiplyByScalar(right, r, normal);
Cartesian3_default.add(nearCenter, normal, normal);
Cartesian3_default.subtract(normal, position, normal);
Cartesian3_default.cross(up, normal, normal);
Cartesian3_default.normalize(normal, normal);
plane = planes[1];
if (!defined_default(plane)) {
plane = planes[1] = new Cartesian4_default();
}
plane.x = normal.x;
plane.y = normal.y;
plane.z = normal.z;
plane.w = -Cartesian3_default.dot(normal, position);
Cartesian3_default.multiplyByScalar(up, b, normal);
Cartesian3_default.add(nearCenter, normal, normal);
Cartesian3_default.subtract(normal, position, normal);
Cartesian3_default.cross(right, normal, normal);
Cartesian3_default.normalize(normal, normal);
plane = planes[2];
if (!defined_default(plane)) {
plane = planes[2] = new Cartesian4_default();
}
plane.x = normal.x;
plane.y = normal.y;
plane.z = normal.z;
plane.w = -Cartesian3_default.dot(normal, position);
Cartesian3_default.multiplyByScalar(up, t, normal);
Cartesian3_default.add(nearCenter, normal, normal);
Cartesian3_default.subtract(normal, position, normal);
Cartesian3_default.cross(normal, right, normal);
Cartesian3_default.normalize(normal, normal);
plane = planes[3];
if (!defined_default(plane)) {
plane = planes[3] = new Cartesian4_default();
}
plane.x = normal.x;
plane.y = normal.y;
plane.z = normal.z;
plane.w = -Cartesian3_default.dot(normal, position);
plane = planes[4];
if (!defined_default(plane)) {
plane = planes[4] = new Cartesian4_default();
}
plane.x = direction.x;
plane.y = direction.y;
plane.z = direction.z;
plane.w = -Cartesian3_default.dot(direction, nearCenter);
Cartesian3_default.negate(direction, normal);
plane = planes[5];
if (!defined_default(plane)) {
plane = planes[5] = new Cartesian4_default();
}
plane.x = normal.x;
plane.y = normal.y;
plane.z = normal.z;
plane.w = -Cartesian3_default.dot(normal, farCenter);
return this._cullingVolume;
};
PerspectiveOffCenterFrustum.prototype.getPixelDimensions = function(drawingBufferWidth, drawingBufferHeight, distance, pixelRatio, result) {
update3(this);
if (!defined_default(drawingBufferWidth) || !defined_default(drawingBufferHeight)) {
throw new DeveloperError_default(
"Both drawingBufferWidth and drawingBufferHeight are required."
);
}
if (drawingBufferWidth <= 0) {
throw new DeveloperError_default("drawingBufferWidth must be greater than zero.");
}
if (drawingBufferHeight <= 0) {
throw new DeveloperError_default("drawingBufferHeight must be greater than zero.");
}
if (!defined_default(distance)) {
throw new DeveloperError_default("distance is required.");
}
if (!defined_default(pixelRatio)) {
throw new DeveloperError_default("pixelRatio is required");
}
if (pixelRatio <= 0) {
throw new DeveloperError_default("pixelRatio must be greater than zero.");
}
if (!defined_default(result)) {
throw new DeveloperError_default("A result object is required.");
}
const inverseNear = 1 / this.near;
let tanTheta = this.top * inverseNear;
const pixelHeight = 2 * pixelRatio * distance * tanTheta / drawingBufferHeight;
tanTheta = this.right * inverseNear;
const pixelWidth = 2 * pixelRatio * distance * tanTheta / drawingBufferWidth;
result.x = pixelWidth;
result.y = pixelHeight;
return result;
};
PerspectiveOffCenterFrustum.prototype.clone = function(result) {
if (!defined_default(result)) {
result = new PerspectiveOffCenterFrustum();
}
result.right = this.right;
result.left = this.left;
result.top = this.top;
result.bottom = this.bottom;
result.near = this.near;
result.far = this.far;
result._left = void 0;
result._right = void 0;
result._top = void 0;
result._bottom = void 0;
result._near = void 0;
result._far = void 0;
return result;
};
PerspectiveOffCenterFrustum.prototype.equals = function(other) {
return defined_default(other) && other instanceof PerspectiveOffCenterFrustum && this.right === other.right && this.left === other.left && this.top === other.top && this.bottom === other.bottom && this.near === other.near && this.far === other.far;
};
PerspectiveOffCenterFrustum.prototype.equalsEpsilon = function(other, relativeEpsilon, absoluteEpsilon) {
return other === this || defined_default(other) && other instanceof PerspectiveOffCenterFrustum && Math_default.equalsEpsilon(
this.right,
other.right,
relativeEpsilon,
absoluteEpsilon
) && Math_default.equalsEpsilon(
this.left,
other.left,
relativeEpsilon,
absoluteEpsilon
) && Math_default.equalsEpsilon(
this.top,
other.top,
relativeEpsilon,
absoluteEpsilon
) && Math_default.equalsEpsilon(
this.bottom,
other.bottom,
relativeEpsilon,
absoluteEpsilon
) && Math_default.equalsEpsilon(
this.near,
other.near,
relativeEpsilon,
absoluteEpsilon
) && Math_default.equalsEpsilon(
this.far,
other.far,
relativeEpsilon,
absoluteEpsilon
);
};
var PerspectiveOffCenterFrustum_default = PerspectiveOffCenterFrustum;
// packages/engine/Source/Core/PerspectiveFrustum.js
function PerspectiveFrustum(options) {
options = defaultValue_default(options, defaultValue_default.EMPTY_OBJECT);
this._offCenterFrustum = new PerspectiveOffCenterFrustum_default();
this.fov = options.fov;
this._fov = void 0;
this._fovy = void 0;
this._sseDenominator = void 0;
this.aspectRatio = options.aspectRatio;
this._aspectRatio = void 0;
this.near = defaultValue_default(options.near, 1);
this._near = this.near;
this.far = defaultValue_default(options.far, 5e8);
this._far = this.far;
this.xOffset = defaultValue_default(options.xOffset, 0);
this._xOffset = this.xOffset;
this.yOffset = defaultValue_default(options.yOffset, 0);
this._yOffset = this.yOffset;
}
PerspectiveFrustum.packedLength = 6;
PerspectiveFrustum.pack = function(value, array, startingIndex) {
Check_default.typeOf.object("value", value);
Check_default.defined("array", array);
startingIndex = defaultValue_default(startingIndex, 0);
array[startingIndex++] = value.fov;
array[startingIndex++] = value.aspectRatio;
array[startingIndex++] = value.near;
array[startingIndex++] = value.far;
array[startingIndex++] = value.xOffset;
array[startingIndex] = value.yOffset;
return array;
};
PerspectiveFrustum.unpack = function(array, startingIndex, result) {
Check_default.defined("array", array);
startingIndex = defaultValue_default(startingIndex, 0);
if (!defined_default(result)) {
result = new PerspectiveFrustum();
}
result.fov = array[startingIndex++];
result.aspectRatio = array[startingIndex++];
result.near = array[startingIndex++];
result.far = array[startingIndex++];
result.xOffset = array[startingIndex++];
result.yOffset = array[startingIndex];
return result;
};
function update4(frustum) {
if (!defined_default(frustum.fov) || !defined_default(frustum.aspectRatio) || !defined_default(frustum.near) || !defined_default(frustum.far)) {
throw new DeveloperError_default(
"fov, aspectRatio, near, or far parameters are not set."
);
}
const f = frustum._offCenterFrustum;
if (frustum.fov !== frustum._fov || frustum.aspectRatio !== frustum._aspectRatio || frustum.near !== frustum._near || frustum.far !== frustum._far || frustum.xOffset !== frustum._xOffset || frustum.yOffset !== frustum._yOffset) {
if (frustum.fov < 0 || frustum.fov >= Math.PI) {
throw new DeveloperError_default("fov must be in the range [0, PI).");
}
if (frustum.aspectRatio < 0) {
throw new DeveloperError_default("aspectRatio must be positive.");
}
if (frustum.near < 0 || frustum.near > frustum.far) {
throw new DeveloperError_default(
"near must be greater than zero and less than far."
);
}
frustum._aspectRatio = frustum.aspectRatio;
frustum._fov = frustum.fov;
frustum._fovy = frustum.aspectRatio <= 1 ? frustum.fov : Math.atan(Math.tan(frustum.fov * 0.5) / frustum.aspectRatio) * 2;
frustum._near = frustum.near;
frustum._far = frustum.far;
frustum._sseDenominator = 2 * Math.tan(0.5 * frustum._fovy);
frustum._xOffset = frustum.xOffset;
frustum._yOffset = frustum.yOffset;
f.top = frustum.near * Math.tan(0.5 * frustum._fovy);
f.bottom = -f.top;
f.right = frustum.aspectRatio * f.top;
f.left = -f.right;
f.near = frustum.near;
f.far = frustum.far;
f.right += frustum.xOffset;
f.left += frustum.xOffset;
f.top += frustum.yOffset;
f.bottom += frustum.yOffset;
}
}
Object.defineProperties(PerspectiveFrustum.prototype, {
/**
* Gets the perspective projection matrix computed from the view frustum.
* @memberof PerspectiveFrustum.prototype
* @type {Matrix4}
* @readonly
*
* @see PerspectiveFrustum#infiniteProjectionMatrix
*/
projectionMatrix: {
get: function() {
update4(this);
return this._offCenterFrustum.projectionMatrix;
}
},
/**
* The perspective projection matrix computed from the view frustum with an infinite far plane.
* @memberof PerspectiveFrustum.prototype
* @type {Matrix4}
* @readonly
*
* @see PerspectiveFrustum#projectionMatrix
*/
infiniteProjectionMatrix: {
get: function() {
update4(this);
return this._offCenterFrustum.infiniteProjectionMatrix;
}
},
/**
* Gets the angle of the vertical field of view, in radians.
* @memberof PerspectiveFrustum.prototype
* @type {number}
* @readonly
* @default undefined
*/
fovy: {
get: function() {
update4(this);
return this._fovy;
}
},
/**
* @readonly
* @private
*/
sseDenominator: {
get: function() {
update4(this);
return this._sseDenominator;
}
},
/**
* Gets the orthographic projection matrix computed from the view frustum.
* @memberof PerspectiveFrustum.prototype
* @type {PerspectiveOffCenterFrustum}
* @readonly
* @private
*/
offCenterFrustum: {
get: function() {
update4(this);
return this._offCenterFrustum;
}
}
});
PerspectiveFrustum.prototype.computeCullingVolume = function(position, direction, up) {
update4(this);
return this._offCenterFrustum.computeCullingVolume(position, direction, up);
};
PerspectiveFrustum.prototype.getPixelDimensions = function(drawingBufferWidth, drawingBufferHeight, distance, pixelRatio, result) {
update4(this);
return this._offCenterFrustum.getPixelDimensions(
drawingBufferWidth,
drawingBufferHeight,
distance,
pixelRatio,
result
);
};
PerspectiveFrustum.prototype.clone = function(result) {
if (!defined_default(result)) {
result = new PerspectiveFrustum();
}
result.aspectRatio = this.aspectRatio;
result.fov = this.fov;
result.near = this.near;
result.far = this.far;
result._aspectRatio = void 0;
result._fov = void 0;
result._near = void 0;
result._far = void 0;
this._offCenterFrustum.clone(result._offCenterFrustum);
return result;
};
PerspectiveFrustum.prototype.equals = function(other) {
if (!defined_default(other) || !(other instanceof PerspectiveFrustum)) {
return false;
}
update4(this);
update4(other);
return this.fov === other.fov && this.aspectRatio === other.aspectRatio && this._offCenterFrustum.equals(other._offCenterFrustum);
};
PerspectiveFrustum.prototype.equalsEpsilon = function(other, relativeEpsilon, absoluteEpsilon) {
if (!defined_default(other) || !(other instanceof PerspectiveFrustum)) {
return false;
}
update4(this);
update4(other);
return Math_default.equalsEpsilon(
this.fov,
other.fov,
relativeEpsilon,
absoluteEpsilon
) && Math_default.equalsEpsilon(
this.aspectRatio,
other.aspectRatio,
relativeEpsilon,
absoluteEpsilon
) && this._offCenterFrustum.equalsEpsilon(
other._offCenterFrustum,
relativeEpsilon,
absoluteEpsilon
);
};
var PerspectiveFrustum_default = PerspectiveFrustum;
// packages/engine/Source/Core/FrustumGeometry.js
var PERSPECTIVE = 0;
var ORTHOGRAPHIC = 1;
function FrustumGeometry(options) {
Check_default.typeOf.object("options", options);
Check_default.typeOf.object("options.frustum", options.frustum);
Check_default.typeOf.object("options.origin", options.origin);
Check_default.typeOf.object("options.orientation", options.orientation);
const frustum = options.frustum;
const orientation = options.orientation;
const origin = options.origin;
const vertexFormat = defaultValue_default(options.vertexFormat, VertexFormat_default.DEFAULT);
const drawNearPlane = defaultValue_default(options._drawNearPlane, true);
let frustumType;
let frustumPackedLength;
if (frustum instanceof PerspectiveFrustum_default) {
frustumType = PERSPECTIVE;
frustumPackedLength = PerspectiveFrustum_default.packedLength;
} else if (frustum instanceof OrthographicFrustum_default) {
frustumType = ORTHOGRAPHIC;
frustumPackedLength = OrthographicFrustum_default.packedLength;
}
this._frustumType = frustumType;
this._frustum = frustum.clone();
this._origin = Cartesian3_default.clone(origin);
this._orientation = Quaternion_default.clone(orientation);
this._drawNearPlane = drawNearPlane;
this._vertexFormat = vertexFormat;
this._workerName = "createFrustumGeometry";
this.packedLength = 2 + frustumPackedLength + Cartesian3_default.packedLength + Quaternion_default.packedLength + VertexFormat_default.packedLength;
}
FrustumGeometry.pack = function(value, array, startingIndex) {
Check_default.typeOf.object("value", value);
Check_default.defined("array", array);
startingIndex = defaultValue_default(startingIndex, 0);
const frustumType = value._frustumType;
const frustum = value._frustum;
array[startingIndex++] = frustumType;
if (frustumType === PERSPECTIVE) {
PerspectiveFrustum_default.pack(frustum, array, startingIndex);
startingIndex += PerspectiveFrustum_default.packedLength;
} else {
OrthographicFrustum_default.pack(frustum, array, startingIndex);
startingIndex += OrthographicFrustum_default.packedLength;
}
Cartesian3_default.pack(value._origin, array, startingIndex);
startingIndex += Cartesian3_default.packedLength;
Quaternion_default.pack(value._orientation, array, startingIndex);
startingIndex += Quaternion_default.packedLength;
VertexFormat_default.pack(value._vertexFormat, array, startingIndex);
startingIndex += VertexFormat_default.packedLength;
array[startingIndex] = value._drawNearPlane ? 1 : 0;
return array;
};
var scratchPackPerspective = new PerspectiveFrustum_default();
var scratchPackOrthographic = new OrthographicFrustum_default();
var scratchPackQuaternion = new Quaternion_default();
var scratchPackorigin = new Cartesian3_default();
var scratchVertexFormat = new VertexFormat_default();
FrustumGeometry.unpack = function(array, startingIndex, result) {
Check_default.defined("array", array);
startingIndex = defaultValue_default(startingIndex, 0);
const frustumType = array[startingIndex++];
let frustum;
if (frustumType === PERSPECTIVE) {
frustum = PerspectiveFrustum_default.unpack(
array,
startingIndex,
scratchPackPerspective
);
startingIndex += PerspectiveFrustum_default.packedLength;
} else {
frustum = OrthographicFrustum_default.unpack(
array,
startingIndex,
scratchPackOrthographic
);
startingIndex += OrthographicFrustum_default.packedLength;
}
const origin = Cartesian3_default.unpack(array, startingIndex, scratchPackorigin);
startingIndex += Cartesian3_default.packedLength;
const orientation = Quaternion_default.unpack(
array,
startingIndex,
scratchPackQuaternion
);
startingIndex += Quaternion_default.packedLength;
const vertexFormat = VertexFormat_default.unpack(
array,
startingIndex,
scratchVertexFormat
);
startingIndex += VertexFormat_default.packedLength;
const drawNearPlane = array[startingIndex] === 1;
if (!defined_default(result)) {
return new FrustumGeometry({
frustum,
origin,
orientation,
vertexFormat,
_drawNearPlane: drawNearPlane
});
}
const frustumResult = frustumType === result._frustumType ? result._frustum : void 0;
result._frustum = frustum.clone(frustumResult);
result._frustumType = frustumType;
result._origin = Cartesian3_default.clone(origin, result._origin);
result._orientation = Quaternion_default.clone(orientation, result._orientation);
result._vertexFormat = VertexFormat_default.clone(vertexFormat, result._vertexFormat);
result._drawNearPlane = drawNearPlane;
return result;
};
function getAttributes(offset, normals, tangents, bitangents, st, normal, tangent, bitangent) {
const stOffset = offset / 3 * 2;
for (let i = 0; i < 4; ++i) {
if (defined_default(normals)) {
normals[offset] = normal.x;
normals[offset + 1] = normal.y;
normals[offset + 2] = normal.z;
}
if (defined_default(tangents)) {
tangents[offset] = tangent.x;
tangents[offset + 1] = tangent.y;
tangents[offset + 2] = tangent.z;
}
if (defined_default(bitangents)) {
bitangents[offset] = bitangent.x;
bitangents[offset + 1] = bitangent.y;
bitangents[offset + 2] = bitangent.z;
}
offset += 3;
}
st[stOffset] = 0;
st[stOffset + 1] = 0;
st[stOffset + 2] = 1;
st[stOffset + 3] = 0;
st[stOffset + 4] = 1;
st[stOffset + 5] = 1;
st[stOffset + 6] = 0;
st[stOffset + 7] = 1;
}
var scratchRotationMatrix = new Matrix3_default();
var scratchViewMatrix = new Matrix4_default();
var scratchInverseMatrix = new Matrix4_default();
var scratchXDirection = new Cartesian3_default();
var scratchYDirection = new Cartesian3_default();
var scratchZDirection = new Cartesian3_default();
var scratchNegativeX = new Cartesian3_default();
var scratchNegativeY = new Cartesian3_default();
var scratchNegativeZ = new Cartesian3_default();
var frustumSplits = new Array(3);
var frustumCornersNDC = new Array(4);
frustumCornersNDC[0] = new Cartesian4_default(-1, -1, 1, 1);
frustumCornersNDC[1] = new Cartesian4_default(1, -1, 1, 1);
frustumCornersNDC[2] = new Cartesian4_default(1, 1, 1, 1);
frustumCornersNDC[3] = new Cartesian4_default(-1, 1, 1, 1);
var scratchFrustumCorners = new Array(4);
for (let i = 0; i < 4; ++i) {
scratchFrustumCorners[i] = new Cartesian4_default();
}
FrustumGeometry._computeNearFarPlanes = function(origin, orientation, frustumType, frustum, positions, xDirection, yDirection, zDirection) {
const rotationMatrix = Matrix3_default.fromQuaternion(
orientation,
scratchRotationMatrix
);
let x = defaultValue_default(xDirection, scratchXDirection);
let y = defaultValue_default(yDirection, scratchYDirection);
let z = defaultValue_default(zDirection, scratchZDirection);
x = Matrix3_default.getColumn(rotationMatrix, 0, x);
y = Matrix3_default.getColumn(rotationMatrix, 1, y);
z = Matrix3_default.getColumn(rotationMatrix, 2, z);
Cartesian3_default.normalize(x, x);
Cartesian3_default.normalize(y, y);
Cartesian3_default.normalize(z, z);
Cartesian3_default.negate(x, x);
const view = Matrix4_default.computeView(origin, z, y, x, scratchViewMatrix);
let inverseView;
let inverseViewProjection;
const projection = frustum.projectionMatrix;
if (frustumType === PERSPECTIVE) {
const viewProjection = Matrix4_default.multiply(
projection,
view,
scratchInverseMatrix
);
inverseViewProjection = Matrix4_default.inverse(
viewProjection,
scratchInverseMatrix
);
} else {
inverseView = Matrix4_default.inverseTransformation(view, scratchInverseMatrix);
}
if (defined_default(inverseViewProjection)) {
frustumSplits[0] = frustum.near;
frustumSplits[1] = frustum.far;
} else {
frustumSplits[0] = 0;
frustumSplits[1] = frustum.near;
frustumSplits[2] = frustum.far;
}
for (let i = 0; i < 2; ++i) {
for (let j = 0; j < 4; ++j) {
let corner = Cartesian4_default.clone(
frustumCornersNDC[j],
scratchFrustumCorners[j]
);
if (!defined_default(inverseViewProjection)) {
const offCenterFrustum = frustum.offCenterFrustum;
if (defined_default(offCenterFrustum)) {
frustum = offCenterFrustum;
}
const near = frustumSplits[i];
const far = frustumSplits[i + 1];
corner.x = (corner.x * (frustum.right - frustum.left) + frustum.left + frustum.right) * 0.5;
corner.y = (corner.y * (frustum.top - frustum.bottom) + frustum.bottom + frustum.top) * 0.5;
corner.z = (corner.z * (near - far) - near - far) * 0.5;
corner.w = 1;
Matrix4_default.multiplyByVector(inverseView, corner, corner);
} else {
corner = Matrix4_default.multiplyByVector(
inverseViewProjection,
corner,
corner
);
const w = 1 / corner.w;
Cartesian3_default.multiplyByScalar(corner, w, corner);
Cartesian3_default.subtract(corner, origin, corner);
Cartesian3_default.normalize(corner, corner);
const fac = Cartesian3_default.dot(z, corner);
Cartesian3_default.multiplyByScalar(corner, frustumSplits[i] / fac, corner);
Cartesian3_default.add(corner, origin, corner);
}
positions[12 * i + j * 3] = corner.x;
positions[12 * i + j * 3 + 1] = corner.y;
positions[12 * i + j * 3 + 2] = corner.z;
}
}
};
FrustumGeometry.createGeometry = function(frustumGeometry) {
const frustumType = frustumGeometry._frustumType;
const frustum = frustumGeometry._frustum;
const origin = frustumGeometry._origin;
const orientation = frustumGeometry._orientation;
const drawNearPlane = frustumGeometry._drawNearPlane;
const vertexFormat = frustumGeometry._vertexFormat;
const numberOfPlanes = drawNearPlane ? 6 : 5;
let positions = new Float64Array(3 * 4 * 6);
FrustumGeometry._computeNearFarPlanes(
origin,
orientation,
frustumType,
frustum,
positions
);
let offset = 3 * 4 * 2;
positions[offset] = positions[3 * 4];
positions[offset + 1] = positions[3 * 4 + 1];
positions[offset + 2] = positions[3 * 4 + 2];
positions[offset + 3] = positions[0];
positions[offset + 4] = positions[1];
positions[offset + 5] = positions[2];
positions[offset + 6] = positions[3 * 3];
positions[offset + 7] = positions[3 * 3 + 1];
positions[offset + 8] = positions[3 * 3 + 2];
positions[offset + 9] = positions[3 * 7];
positions[offset + 10] = positions[3 * 7 + 1];
positions[offset + 11] = positions[3 * 7 + 2];
offset += 3 * 4;
positions[offset] = positions[3 * 5];
positions[offset + 1] = positions[3 * 5 + 1];
positions[offset + 2] = positions[3 * 5 + 2];
positions[offset + 3] = positions[3];
positions[offset + 4] = positions[3 + 1];
positions[offset + 5] = positions[3 + 2];
positions[offset + 6] = positions[0];
positions[offset + 7] = positions[1];
positions[offset + 8] = positions[2];
positions[offset + 9] = positions[3 * 4];
positions[offset + 10] = positions[3 * 4 + 1];
positions[offset + 11] = positions[3 * 4 + 2];
offset += 3 * 4;
positions[offset] = positions[3];
positions[offset + 1] = positions[3 + 1];
positions[offset + 2] = positions[3 + 2];
positions[offset + 3] = positions[3 * 5];
positions[offset + 4] = positions[3 * 5 + 1];
positions[offset + 5] = positions[3 * 5 + 2];
positions[offset + 6] = positions[3 * 6];
positions[offset + 7] = positions[3 * 6 + 1];
positions[offset + 8] = positions[3 * 6 + 2];
positions[offset + 9] = positions[3 * 2];
positions[offset + 10] = positions[3 * 2 + 1];
positions[offset + 11] = positions[3 * 2 + 2];
offset += 3 * 4;
positions[offset] = positions[3 * 2];
positions[offset + 1] = positions[3 * 2 + 1];
positions[offset + 2] = positions[3 * 2 + 2];
positions[offset + 3] = positions[3 * 6];
positions[offset + 4] = positions[3 * 6 + 1];
positions[offset + 5] = positions[3 * 6 + 2];
positions[offset + 6] = positions[3 * 7];
positions[offset + 7] = positions[3 * 7 + 1];
positions[offset + 8] = positions[3 * 7 + 2];
positions[offset + 9] = positions[3 * 3];
positions[offset + 10] = positions[3 * 3 + 1];
positions[offset + 11] = positions[3 * 3 + 2];
if (!drawNearPlane) {
positions = positions.subarray(3 * 4);
}
const attributes = new GeometryAttributes_default({
position: new GeometryAttribute_default({
componentDatatype: ComponentDatatype_default.DOUBLE,
componentsPerAttribute: 3,
values: positions
})
});
if (defined_default(vertexFormat.normal) || defined_default(vertexFormat.tangent) || defined_default(vertexFormat.bitangent) || defined_default(vertexFormat.st)) {
const normals = defined_default(vertexFormat.normal) ? new Float32Array(3 * 4 * numberOfPlanes) : void 0;
const tangents = defined_default(vertexFormat.tangent) ? new Float32Array(3 * 4 * numberOfPlanes) : void 0;
const bitangents = defined_default(vertexFormat.bitangent) ? new Float32Array(3 * 4 * numberOfPlanes) : void 0;
const st = defined_default(vertexFormat.st) ? new Float32Array(2 * 4 * numberOfPlanes) : void 0;
const x = scratchXDirection;
const y = scratchYDirection;
const z = scratchZDirection;
const negativeX = Cartesian3_default.negate(x, scratchNegativeX);
const negativeY = Cartesian3_default.negate(y, scratchNegativeY);
const negativeZ = Cartesian3_default.negate(z, scratchNegativeZ);
offset = 0;
if (drawNearPlane) {
getAttributes(offset, normals, tangents, bitangents, st, negativeZ, x, y);
offset += 3 * 4;
}
getAttributes(offset, normals, tangents, bitangents, st, z, negativeX, y);
offset += 3 * 4;
getAttributes(
offset,
normals,
tangents,
bitangents,
st,
negativeX,
negativeZ,
y
);
offset += 3 * 4;
getAttributes(
offset,
normals,
tangents,
bitangents,
st,
negativeY,
negativeZ,
negativeX
);
offset += 3 * 4;
getAttributes(offset, normals, tangents, bitangents, st, x, z, y);
offset += 3 * 4;
getAttributes(offset, normals, tangents, bitangents, st, y, z, negativeX);
if (defined_default(normals)) {
attributes.normal = new GeometryAttribute_default({
componentDatatype: ComponentDatatype_default.FLOAT,
componentsPerAttribute: 3,
values: normals
});
}
if (defined_default(tangents)) {
attributes.tangent = new GeometryAttribute_default({
componentDatatype: ComponentDatatype_default.FLOAT,
componentsPerAttribute: 3,
values: tangents
});
}
if (defined_default(bitangents)) {
attributes.bitangent = new GeometryAttribute_default({
componentDatatype: ComponentDatatype_default.FLOAT,
componentsPerAttribute: 3,
values: bitangents
});
}
if (defined_default(st)) {
attributes.st = new GeometryAttribute_default({
componentDatatype: ComponentDatatype_default.FLOAT,
componentsPerAttribute: 2,
values: st
});
}
}
const indices = new Uint16Array(6 * numberOfPlanes);
for (let i = 0; i < numberOfPlanes; ++i) {
const indexOffset = i * 6;
const index = i * 4;
indices[indexOffset] = index;
indices[indexOffset + 1] = index + 1;
indices[indexOffset + 2] = index + 2;
indices[indexOffset + 3] = index;
indices[indexOffset + 4] = index + 2;
indices[indexOffset + 5] = index + 3;
}
return new Geometry_default({
attributes,
indices,
primitiveType: PrimitiveType_default.TRIANGLES,
boundingSphere: BoundingSphere_default.fromVertices(positions)
});
};
var FrustumGeometry_default = FrustumGeometry;
export {
OrthographicFrustum_default,
PerspectiveFrustum_default,
FrustumGeometry_default
};
/**
* @license
* Cesium - https://github.com/CesiumGS/cesium
* Version 1.121.2
*
* Copyright 2011-2022 Cesium Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Columbus View (Pat. Pend.)
*
* Portions licensed separately.
* See https://github.com/CesiumGS/cesium/blob/main/LICENSE.md for full licensing details.
*/
import {
AttributeCompression_default
} from "./chunk-LJ2JQHJT.js";
import {
EncodedCartesian3_default
} from "./chunk-NGZJIN5Z.js";
import {
IntersectionTests_default
} from "./chunk-QQOZO7KO.js";
import {
Plane_default
} from "./chunk-EDLRS3AW.js";
import {
IndexDatatype_default
} from "./chunk-C4WPMOKT.js";
import {
GeometryAttribute_default,
GeometryType_default,
Geometry_default,
PrimitiveType_default
} from "./chunk-JXVLNVXC.js";
import {
BoundingSphere_default,
GeographicProjection_default,
Intersect_default
} from "./chunk-KHZNBFOH.js";
import {
Cartesian4_default,
Matrix4_default
} from "./chunk-6SQMLVGV.js";
import {
ComponentDatatype_default
} from "./chunk-XIUSRWL6.js";
import {
Cartesian2_default,
Cartesian3_default,
Cartographic_default,
Matrix3_default
} from "./chunk-FFLMY4TE.js";
import {
Math_default
} from "./chunk-WGDFYAGC.js";
import {
defaultValue_default
} from "./chunk-U5HSOKPQ.js";
import {
Check_default,
DeveloperError_default
} from "./chunk-P6TRGU3S.js";
import {
defined_default
} from "./chunk-YCDZX5LS.js";
// packages/engine/Source/Core/barycentricCoordinates.js
var scratchCartesian1 = new Cartesian3_default();
var scratchCartesian2 = new Cartesian3_default();
var scratchCartesian3 = new Cartesian3_default();
function barycentricCoordinates(point, p0, p1, p2, result) {
Check_default.defined("point", point);
Check_default.defined("p0", p0);
Check_default.defined("p1", p1);
Check_default.defined("p2", p2);
if (!defined_default(result)) {
result = new Cartesian3_default();
}
let v02;
let v12;
let v22;
let dot00;
let dot01;
let dot02;
let dot11;
let dot12;
if (!defined_default(p0.z)) {
if (Cartesian2_default.equalsEpsilon(point, p0, Math_default.EPSILON14)) {
return Cartesian3_default.clone(Cartesian3_default.UNIT_X, result);
}
if (Cartesian2_default.equalsEpsilon(point, p1, Math_default.EPSILON14)) {
return Cartesian3_default.clone(Cartesian3_default.UNIT_Y, result);
}
if (Cartesian2_default.equalsEpsilon(point, p2, Math_default.EPSILON14)) {
return Cartesian3_default.clone(Cartesian3_default.UNIT_Z, result);
}
v02 = Cartesian2_default.subtract(p1, p0, scratchCartesian1);
v12 = Cartesian2_default.subtract(p2, p0, scratchCartesian2);
v22 = Cartesian2_default.subtract(point, p0, scratchCartesian3);
dot00 = Cartesian2_default.dot(v02, v02);
dot01 = Cartesian2_default.dot(v02, v12);
dot02 = Cartesian2_default.dot(v02, v22);
dot11 = Cartesian2_default.dot(v12, v12);
dot12 = Cartesian2_default.dot(v12, v22);
} else {
if (Cartesian3_default.equalsEpsilon(point, p0, Math_default.EPSILON14)) {
return Cartesian3_default.clone(Cartesian3_default.UNIT_X, result);
}
if (Cartesian3_default.equalsEpsilon(point, p1, Math_default.EPSILON14)) {
return Cartesian3_default.clone(Cartesian3_default.UNIT_Y, result);
}
if (Cartesian3_default.equalsEpsilon(point, p2, Math_default.EPSILON14)) {
return Cartesian3_default.clone(Cartesian3_default.UNIT_Z, result);
}
v02 = Cartesian3_default.subtract(p1, p0, scratchCartesian1);
v12 = Cartesian3_default.subtract(p2, p0, scratchCartesian2);
v22 = Cartesian3_default.subtract(point, p0, scratchCartesian3);
dot00 = Cartesian3_default.dot(v02, v02);
dot01 = Cartesian3_default.dot(v02, v12);
dot02 = Cartesian3_default.dot(v02, v22);
dot11 = Cartesian3_default.dot(v12, v12);
dot12 = Cartesian3_default.dot(v12, v22);
}
result.y = dot11 * dot02 - dot01 * dot12;
result.z = dot00 * dot12 - dot01 * dot02;
const q = dot00 * dot11 - dot01 * dot01;
if (q === 0) {
return void 0;
}
result.y /= q;
result.z /= q;
result.x = 1 - result.y - result.z;
return result;
}
var barycentricCoordinates_default = barycentricCoordinates;
// packages/engine/Source/Core/Tipsify.js
var Tipsify = {};
Tipsify.calculateACMR = function(options) {
options = defaultValue_default(options, defaultValue_default.EMPTY_OBJECT);
const indices = options.indices;
let maximumIndex = options.maximumIndex;
const cacheSize = defaultValue_default(options.cacheSize, 24);
if (!defined_default(indices)) {
throw new DeveloperError_default("indices is required.");
}
const numIndices = indices.length;
if (numIndices < 3 || numIndices % 3 !== 0) {
throw new DeveloperError_default("indices length must be a multiple of three.");
}
if (maximumIndex <= 0) {
throw new DeveloperError_default("maximumIndex must be greater than zero.");
}
if (cacheSize < 3) {
throw new DeveloperError_default("cacheSize must be greater than two.");
}
if (!defined_default(maximumIndex)) {
maximumIndex = 0;
let currentIndex = 0;
let intoIndices = indices[currentIndex];
while (currentIndex < numIndices) {
if (intoIndices > maximumIndex) {
maximumIndex = intoIndices;
}
++currentIndex;
intoIndices = indices[currentIndex];
}
}
const vertexTimeStamps = [];
for (let i = 0; i < maximumIndex + 1; i++) {
vertexTimeStamps[i] = 0;
}
let s = cacheSize + 1;
for (let j = 0; j < numIndices; ++j) {
if (s - vertexTimeStamps[indices[j]] > cacheSize) {
vertexTimeStamps[indices[j]] = s;
++s;
}
}
return (s - cacheSize + 1) / (numIndices / 3);
};
Tipsify.tipsify = function(options) {
options = defaultValue_default(options, defaultValue_default.EMPTY_OBJECT);
const indices = options.indices;
const maximumIndex = options.maximumIndex;
const cacheSize = defaultValue_default(options.cacheSize, 24);
let cursor;
function skipDeadEnd(vertices2, deadEnd2, indices2, maximumIndexPlusOne2) {
while (deadEnd2.length >= 1) {
const d = deadEnd2[deadEnd2.length - 1];
deadEnd2.splice(deadEnd2.length - 1, 1);
if (vertices2[d].numLiveTriangles > 0) {
return d;
}
}
while (cursor < maximumIndexPlusOne2) {
if (vertices2[cursor].numLiveTriangles > 0) {
++cursor;
return cursor - 1;
}
++cursor;
}
return -1;
}
function getNextVertex(indices2, cacheSize2, oneRing2, vertices2, s2, deadEnd2, maximumIndexPlusOne2) {
let n = -1;
let p;
let m = -1;
let itOneRing = 0;
while (itOneRing < oneRing2.length) {
const index2 = oneRing2[itOneRing];
if (vertices2[index2].numLiveTriangles) {
p = 0;
if (s2 - vertices2[index2].timeStamp + 2 * vertices2[index2].numLiveTriangles <= cacheSize2) {
p = s2 - vertices2[index2].timeStamp;
}
if (p > m || m === -1) {
m = p;
n = index2;
}
}
++itOneRing;
}
if (n === -1) {
return skipDeadEnd(vertices2, deadEnd2, indices2, maximumIndexPlusOne2);
}
return n;
}
if (!defined_default(indices)) {
throw new DeveloperError_default("indices is required.");
}
const numIndices = indices.length;
if (numIndices < 3 || numIndices % 3 !== 0) {
throw new DeveloperError_default("indices length must be a multiple of three.");
}
if (maximumIndex <= 0) {
throw new DeveloperError_default("maximumIndex must be greater than zero.");
}
if (cacheSize < 3) {
throw new DeveloperError_default("cacheSize must be greater than two.");
}
let maximumIndexPlusOne = 0;
let currentIndex = 0;
let intoIndices = indices[currentIndex];
const endIndex = numIndices;
if (defined_default(maximumIndex)) {
maximumIndexPlusOne = maximumIndex + 1;
} else {
while (currentIndex < endIndex) {
if (intoIndices > maximumIndexPlusOne) {
maximumIndexPlusOne = intoIndices;
}
++currentIndex;
intoIndices = indices[currentIndex];
}
if (maximumIndexPlusOne === -1) {
return 0;
}
++maximumIndexPlusOne;
}
const vertices = [];
let i;
for (i = 0; i < maximumIndexPlusOne; i++) {
vertices[i] = {
numLiveTriangles: 0,
timeStamp: 0,
vertexTriangles: []
};
}
currentIndex = 0;
let triangle = 0;
while (currentIndex < endIndex) {
vertices[indices[currentIndex]].vertexTriangles.push(triangle);
++vertices[indices[currentIndex]].numLiveTriangles;
vertices[indices[currentIndex + 1]].vertexTriangles.push(triangle);
++vertices[indices[currentIndex + 1]].numLiveTriangles;
vertices[indices[currentIndex + 2]].vertexTriangles.push(triangle);
++vertices[indices[currentIndex + 2]].numLiveTriangles;
++triangle;
currentIndex += 3;
}
let f = 0;
let s = cacheSize + 1;
cursor = 1;
let oneRing = [];
const deadEnd = [];
let vertex;
let intoVertices;
let currentOutputIndex = 0;
const outputIndices = [];
const numTriangles = numIndices / 3;
const triangleEmitted = [];
for (i = 0; i < numTriangles; i++) {
triangleEmitted[i] = false;
}
let index;
let limit;
while (f !== -1) {
oneRing = [];
intoVertices = vertices[f];
limit = intoVertices.vertexTriangles.length;
for (let k = 0; k < limit; ++k) {
triangle = intoVertices.vertexTriangles[k];
if (!triangleEmitted[triangle]) {
triangleEmitted[triangle] = true;
currentIndex = triangle + triangle + triangle;
for (let j = 0; j < 3; ++j) {
index = indices[currentIndex];
oneRing.push(index);
deadEnd.push(index);
outputIndices[currentOutputIndex] = index;
++currentOutputIndex;
vertex = vertices[index];
--vertex.numLiveTriangles;
if (s - vertex.timeStamp > cacheSize) {
vertex.timeStamp = s;
++s;
}
++currentIndex;
}
}
}
f = getNextVertex(
indices,
cacheSize,
oneRing,
vertices,
s,
deadEnd,
maximumIndexPlusOne
);
}
return outputIndices;
};
var Tipsify_default = Tipsify;
// packages/engine/Source/Core/GeometryPipeline.js
var GeometryPipeline = {};
function addTriangle(lines, index, i0, i1, i2) {
lines[index++] = i0;
lines[index++] = i1;
lines[index++] = i1;
lines[index++] = i2;
lines[index++] = i2;
lines[index] = i0;
}
function trianglesToLines(triangles) {
const count = triangles.length;
const size = count / 3 * 6;
const lines = IndexDatatype_default.createTypedArray(count, size);
let index = 0;
for (let i = 0; i < count; i += 3, index += 6) {
addTriangle(lines, index, triangles[i], triangles[i + 1], triangles[i + 2]);
}
return lines;
}
function triangleStripToLines(triangles) {
const count = triangles.length;
if (count >= 3) {
const size = (count - 2) * 6;
const lines = IndexDatatype_default.createTypedArray(count, size);
addTriangle(lines, 0, triangles[0], triangles[1], triangles[2]);
let index = 6;
for (let i = 3; i < count; ++i, index += 6) {
addTriangle(
lines,
index,
triangles[i - 1],
triangles[i],
triangles[i - 2]
);
}
return lines;
}
return new Uint16Array();
}
function triangleFanToLines(triangles) {
if (triangles.length > 0) {
const count = triangles.length - 1;
const size = (count - 1) * 6;
const lines = IndexDatatype_default.createTypedArray(count, size);
const base = triangles[0];
let index = 0;
for (let i = 1; i < count; ++i, index += 6) {
addTriangle(lines, index, base, triangles[i], triangles[i + 1]);
}
return lines;
}
return new Uint16Array();
}
GeometryPipeline.toWireframe = function(geometry) {
if (!defined_default(geometry)) {
throw new DeveloperError_default("geometry is required.");
}
const indices = geometry.indices;
if (defined_default(indices)) {
switch (geometry.primitiveType) {
case PrimitiveType_default.TRIANGLES:
geometry.indices = trianglesToLines(indices);
break;
case PrimitiveType_default.TRIANGLE_STRIP:
geometry.indices = triangleStripToLines(indices);
break;
case PrimitiveType_default.TRIANGLE_FAN:
geometry.indices = triangleFanToLines(indices);
break;
//>>includeStart('debug', pragmas.debug);
default:
throw new DeveloperError_default(
"geometry.primitiveType must be TRIANGLES, TRIANGLE_STRIP, or TRIANGLE_FAN."
);
}
geometry.primitiveType = PrimitiveType_default.LINES;
}
return geometry;
};
GeometryPipeline.createLineSegmentsForVectors = function(geometry, attributeName, length) {
attributeName = defaultValue_default(attributeName, "normal");
if (!defined_default(geometry)) {
throw new DeveloperError_default("geometry is required.");
}
if (!defined_default(geometry.attributes.position)) {
throw new DeveloperError_default("geometry.attributes.position is required.");
}
if (!defined_default(geometry.attributes[attributeName])) {
throw new DeveloperError_default(
`geometry.attributes must have an attribute with the same name as the attributeName parameter, ${attributeName}.`
);
}
length = defaultValue_default(length, 1e4);
const positions = geometry.attributes.position.values;
const vectors = geometry.attributes[attributeName].values;
const positionsLength = positions.length;
const newPositions = new Float64Array(2 * positionsLength);
let j = 0;
for (let i = 0; i < positionsLength; i += 3) {
newPositions[j++] = positions[i];
newPositions[j++] = positions[i + 1];
newPositions[j++] = positions[i + 2];
newPositions[j++] = positions[i] + vectors[i] * length;
newPositions[j++] = positions[i + 1] + vectors[i + 1] * length;
newPositions[j++] = positions[i + 2] + vectors[i + 2] * length;
}
let newBoundingSphere;
const bs = geometry.boundingSphere;
if (defined_default(bs)) {
newBoundingSphere = new BoundingSphere_default(bs.center, bs.radius + length);
}
return new Geometry_default({
attributes: {
position: new GeometryAttribute_default({
componentDatatype: ComponentDatatype_default.DOUBLE,
componentsPerAttribute: 3,
values: newPositions
})
},
primitiveType: PrimitiveType_default.LINES,
boundingSphere: newBoundingSphere
});
};
GeometryPipeline.createAttributeLocations = function(geometry) {
if (!defined_default(geometry)) {
throw new DeveloperError_default("geometry is required.");
}
const semantics = [
"position",
"positionHigh",
"positionLow",
// From VertexFormat.position - after 2D projection and high-precision encoding
"position3DHigh",
"position3DLow",
"position2DHigh",
"position2DLow",
// From Primitive
"pickColor",
// From VertexFormat
"normal",
"st",
"tangent",
"bitangent",
// For shadow volumes
"extrudeDirection",
// From compressing texture coordinates and normals
"compressedAttributes"
];
const attributes = geometry.attributes;
const indices = {};
let j = 0;
let i;
const len = semantics.length;
for (i = 0; i < len; ++i) {
const semantic = semantics[i];
if (defined_default(attributes[semantic])) {
indices[semantic] = j++;
}
}
for (const name in attributes) {
if (attributes.hasOwnProperty(name) && !defined_default(indices[name])) {
indices[name] = j++;
}
}
return indices;
};
GeometryPipeline.reorderForPreVertexCache = function(geometry) {
if (!defined_default(geometry)) {
throw new DeveloperError_default("geometry is required.");
}
const numVertices = Geometry_default.computeNumberOfVertices(geometry);
const indices = geometry.indices;
if (defined_default(indices)) {
const indexCrossReferenceOldToNew = new Int32Array(numVertices);
for (let i = 0; i < numVertices; i++) {
indexCrossReferenceOldToNew[i] = -1;
}
const indicesIn = indices;
const numIndices = indicesIn.length;
const indicesOut = IndexDatatype_default.createTypedArray(numVertices, numIndices);
let intoIndicesIn = 0;
let intoIndicesOut = 0;
let nextIndex = 0;
let tempIndex;
while (intoIndicesIn < numIndices) {
tempIndex = indexCrossReferenceOldToNew[indicesIn[intoIndicesIn]];
if (tempIndex !== -1) {
indicesOut[intoIndicesOut] = tempIndex;
} else {
tempIndex = indicesIn[intoIndicesIn];
indexCrossReferenceOldToNew[tempIndex] = nextIndex;
indicesOut[intoIndicesOut] = nextIndex;
++nextIndex;
}
++intoIndicesIn;
++intoIndicesOut;
}
geometry.indices = indicesOut;
const attributes = geometry.attributes;
for (const property in attributes) {
if (attributes.hasOwnProperty(property) && defined_default(attributes[property]) && defined_default(attributes[property].values)) {
const attribute = attributes[property];
const elementsIn = attribute.values;
let intoElementsIn = 0;
const numComponents = attribute.componentsPerAttribute;
const elementsOut = ComponentDatatype_default.createTypedArray(
attribute.componentDatatype,
nextIndex * numComponents
);
while (intoElementsIn < numVertices) {
const temp = indexCrossReferenceOldToNew[intoElementsIn];
if (temp !== -1) {
for (let j = 0; j < numComponents; j++) {
elementsOut[numComponents * temp + j] = elementsIn[numComponents * intoElementsIn + j];
}
}
++intoElementsIn;
}
attribute.values = elementsOut;
}
}
}
return geometry;
};
GeometryPipeline.reorderForPostVertexCache = function(geometry, cacheCapacity) {
if (!defined_default(geometry)) {
throw new DeveloperError_default("geometry is required.");
}
const indices = geometry.indices;
if (geometry.primitiveType === PrimitiveType_default.TRIANGLES && defined_default(indices)) {
const numIndices = indices.length;
let maximumIndex = 0;
for (let j = 0; j < numIndices; j++) {
if (indices[j] > maximumIndex) {
maximumIndex = indices[j];
}
}
geometry.indices = Tipsify_default.tipsify({
indices,
maximumIndex,
cacheSize: cacheCapacity
});
}
return geometry;
};
function copyAttributesDescriptions(attributes) {
const newAttributes = {};
for (const attribute in attributes) {
if (attributes.hasOwnProperty(attribute) && defined_default(attributes[attribute]) && defined_default(attributes[attribute].values)) {
const attr = attributes[attribute];
newAttributes[attribute] = new GeometryAttribute_default({
componentDatatype: attr.componentDatatype,
componentsPerAttribute: attr.componentsPerAttribute,
normalize: attr.normalize,
values: []
});
}
}
return newAttributes;
}
function copyVertex(destinationAttributes, sourceAttributes, index) {
for (const attribute in sourceAttributes) {
if (sourceAttributes.hasOwnProperty(attribute) && defined_default(sourceAttributes[attribute]) && defined_default(sourceAttributes[attribute].values)) {
const attr = sourceAttributes[attribute];
for (let k = 0; k < attr.componentsPerAttribute; ++k) {
destinationAttributes[attribute].values.push(
attr.values[index * attr.componentsPerAttribute + k]
);
}
}
}
}
GeometryPipeline.fitToUnsignedShortIndices = function(geometry) {
if (!defined_default(geometry)) {
throw new DeveloperError_default("geometry is required.");
}
if (defined_default(geometry.indices) && geometry.primitiveType !== PrimitiveType_default.TRIANGLES && geometry.primitiveType !== PrimitiveType_default.LINES && geometry.primitiveType !== PrimitiveType_default.POINTS) {
throw new DeveloperError_default(
"geometry.primitiveType must equal to PrimitiveType.TRIANGLES, PrimitiveType.LINES, or PrimitiveType.POINTS."
);
}
const geometries = [];
const numberOfVertices = Geometry_default.computeNumberOfVertices(geometry);
if (defined_default(geometry.indices) && numberOfVertices >= Math_default.SIXTY_FOUR_KILOBYTES) {
let oldToNewIndex = [];
let newIndices = [];
let currentIndex = 0;
let newAttributes = copyAttributesDescriptions(geometry.attributes);
const originalIndices = geometry.indices;
const numberOfIndices = originalIndices.length;
let indicesPerPrimitive;
if (geometry.primitiveType === PrimitiveType_default.TRIANGLES) {
indicesPerPrimitive = 3;
} else if (geometry.primitiveType === PrimitiveType_default.LINES) {
indicesPerPrimitive = 2;
} else if (geometry.primitiveType === PrimitiveType_default.POINTS) {
indicesPerPrimitive = 1;
}
for (let j = 0; j < numberOfIndices; j += indicesPerPrimitive) {
for (let k = 0; k < indicesPerPrimitive; ++k) {
const x = originalIndices[j + k];
let i = oldToNewIndex[x];
if (!defined_default(i)) {
i = currentIndex++;
oldToNewIndex[x] = i;
copyVertex(newAttributes, geometry.attributes, x);
}
newIndices.push(i);
}
if (currentIndex + indicesPerPrimitive >= Math_default.SIXTY_FOUR_KILOBYTES) {
geometries.push(
new Geometry_default({
attributes: newAttributes,
indices: newIndices,
primitiveType: geometry.primitiveType,
boundingSphere: geometry.boundingSphere,
boundingSphereCV: geometry.boundingSphereCV
})
);
oldToNewIndex = [];
newIndices = [];
currentIndex = 0;
newAttributes = copyAttributesDescriptions(geometry.attributes);
}
}
if (newIndices.length !== 0) {
geometries.push(
new Geometry_default({
attributes: newAttributes,
indices: newIndices,
primitiveType: geometry.primitiveType,
boundingSphere: geometry.boundingSphere,
boundingSphereCV: geometry.boundingSphereCV
})
);
}
} else {
geometries.push(geometry);
}
return geometries;
};
var scratchProjectTo2DCartesian3 = new Cartesian3_default();
var scratchProjectTo2DCartographic = new Cartographic_default();
GeometryPipeline.projectTo2D = function(geometry, attributeName, attributeName3D, attributeName2D, projection) {
if (!defined_default(geometry)) {
throw new DeveloperError_default("geometry is required.");
}
if (!defined_default(attributeName)) {
throw new DeveloperError_default("attributeName is required.");
}
if (!defined_default(attributeName3D)) {
throw new DeveloperError_default("attributeName3D is required.");
}
if (!defined_default(attributeName2D)) {
throw new DeveloperError_default("attributeName2D is required.");
}
if (!defined_default(geometry.attributes[attributeName])) {
throw new DeveloperError_default(
`geometry must have attribute matching the attributeName argument: ${attributeName}.`
);
}
if (geometry.attributes[attributeName].componentDatatype !== ComponentDatatype_default.DOUBLE) {
throw new DeveloperError_default(
"The attribute componentDatatype must be ComponentDatatype.DOUBLE."
);
}
const attribute = geometry.attributes[attributeName];
projection = defined_default(projection) ? projection : new GeographicProjection_default();
const ellipsoid = projection.ellipsoid;
const values3D = attribute.values;
const projectedValues = new Float64Array(values3D.length);
let index = 0;
for (let i = 0; i < values3D.length; i += 3) {
const value = Cartesian3_default.fromArray(
values3D,
i,
scratchProjectTo2DCartesian3
);
const lonLat = ellipsoid.cartesianToCartographic(
value,
scratchProjectTo2DCartographic
);
if (!defined_default(lonLat)) {
throw new DeveloperError_default(
`Could not project point (${value.x}, ${value.y}, ${value.z}) to 2D.`
);
}
const projectedLonLat = projection.project(
lonLat,
scratchProjectTo2DCartesian3
);
projectedValues[index++] = projectedLonLat.x;
projectedValues[index++] = projectedLonLat.y;
projectedValues[index++] = projectedLonLat.z;
}
geometry.attributes[attributeName3D] = attribute;
geometry.attributes[attributeName2D] = new GeometryAttribute_default({
componentDatatype: ComponentDatatype_default.DOUBLE,
componentsPerAttribute: 3,
values: projectedValues
});
delete geometry.attributes[attributeName];
return geometry;
};
var encodedResult = {
high: 0,
low: 0
};
GeometryPipeline.encodeAttribute = function(geometry, attributeName, attributeHighName, attributeLowName) {
if (!defined_default(geometry)) {
throw new DeveloperError_default("geometry is required.");
}
if (!defined_default(attributeName)) {
throw new DeveloperError_default("attributeName is required.");
}
if (!defined_default(attributeHighName)) {
throw new DeveloperError_default("attributeHighName is required.");
}
if (!defined_default(attributeLowName)) {
throw new DeveloperError_default("attributeLowName is required.");
}
if (!defined_default(geometry.attributes[attributeName])) {
throw new DeveloperError_default(
`geometry must have attribute matching the attributeName argument: ${attributeName}.`
);
}
if (geometry.attributes[attributeName].componentDatatype !== ComponentDatatype_default.DOUBLE) {
throw new DeveloperError_default(
"The attribute componentDatatype must be ComponentDatatype.DOUBLE."
);
}
const attribute = geometry.attributes[attributeName];
const values = attribute.values;
const length = values.length;
const highValues = new Float32Array(length);
const lowValues = new Float32Array(length);
for (let i = 0; i < length; ++i) {
EncodedCartesian3_default.encode(values[i], encodedResult);
highValues[i] = encodedResult.high;
lowValues[i] = encodedResult.low;
}
const componentsPerAttribute = attribute.componentsPerAttribute;
geometry.attributes[attributeHighName] = new GeometryAttribute_default({
componentDatatype: ComponentDatatype_default.FLOAT,
componentsPerAttribute,
values: highValues
});
geometry.attributes[attributeLowName] = new GeometryAttribute_default({
componentDatatype: ComponentDatatype_default.FLOAT,
componentsPerAttribute,
values: lowValues
});
delete geometry.attributes[attributeName];
return geometry;
};
var scratchCartesian32 = new Cartesian3_default();
function transformPoint(matrix, attribute) {
if (defined_default(attribute)) {
const values = attribute.values;
const length = values.length;
for (let i = 0; i < length; i += 3) {
Cartesian3_default.unpack(values, i, scratchCartesian32);
Matrix4_default.multiplyByPoint(matrix, scratchCartesian32, scratchCartesian32);
Cartesian3_default.pack(scratchCartesian32, values, i);
}
}
}
function transformVector(matrix, attribute) {
if (defined_default(attribute)) {
const values = attribute.values;
const length = values.length;
for (let i = 0; i < length; i += 3) {
Cartesian3_default.unpack(values, i, scratchCartesian32);
Matrix3_default.multiplyByVector(matrix, scratchCartesian32, scratchCartesian32);
scratchCartesian32 = Cartesian3_default.normalize(
scratchCartesian32,
scratchCartesian32
);
Cartesian3_default.pack(scratchCartesian32, values, i);
}
}
}
var inverseTranspose = new Matrix4_default();
var normalMatrix = new Matrix3_default();
GeometryPipeline.transformToWorldCoordinates = function(instance) {
if (!defined_default(instance)) {
throw new DeveloperError_default("instance is required.");
}
const modelMatrix = instance.modelMatrix;
if (Matrix4_default.equals(modelMatrix, Matrix4_default.IDENTITY)) {
return instance;
}
const attributes = instance.geometry.attributes;
transformPoint(modelMatrix, attributes.position);
transformPoint(modelMatrix, attributes.prevPosition);
transformPoint(modelMatrix, attributes.nextPosition);
if (defined_default(attributes.normal) || defined_default(attributes.tangent) || defined_default(attributes.bitangent)) {
Matrix4_default.inverse(modelMatrix, inverseTranspose);
Matrix4_default.transpose(inverseTranspose, inverseTranspose);
Matrix4_default.getMatrix3(inverseTranspose, normalMatrix);
transformVector(normalMatrix, attributes.normal);
transformVector(normalMatrix, attributes.tangent);
transformVector(normalMatrix, attributes.bitangent);
}
const boundingSphere = instance.geometry.boundingSphere;
if (defined_default(boundingSphere)) {
instance.geometry.boundingSphere = BoundingSphere_default.transform(
boundingSphere,
modelMatrix,
boundingSphere
);
}
instance.modelMatrix = Matrix4_default.clone(Matrix4_default.IDENTITY);
return instance;
};
function findAttributesInAllGeometries(instances, propertyName) {
const length = instances.length;
const attributesInAllGeometries = {};
const attributes0 = instances[0][propertyName].attributes;
let name;
for (name in attributes0) {
if (attributes0.hasOwnProperty(name) && defined_default(attributes0[name]) && defined_default(attributes0[name].values)) {
const attribute = attributes0[name];
let numberOfComponents = attribute.values.length;
let inAllGeometries = true;
for (let i = 1; i < length; ++i) {
const otherAttribute = instances[i][propertyName].attributes[name];
if (!defined_default(otherAttribute) || attribute.componentDatatype !== otherAttribute.componentDatatype || attribute.componentsPerAttribute !== otherAttribute.componentsPerAttribute || attribute.normalize !== otherAttribute.normalize) {
inAllGeometries = false;
break;
}
numberOfComponents += otherAttribute.values.length;
}
if (inAllGeometries) {
attributesInAllGeometries[name] = new GeometryAttribute_default({
componentDatatype: attribute.componentDatatype,
componentsPerAttribute: attribute.componentsPerAttribute,
normalize: attribute.normalize,
values: ComponentDatatype_default.createTypedArray(
attribute.componentDatatype,
numberOfComponents
)
});
}
}
}
return attributesInAllGeometries;
}
var tempScratch = new Cartesian3_default();
function combineGeometries(instances, propertyName) {
const length = instances.length;
let name;
let i;
let j;
let k;
const m = instances[0].modelMatrix;
const haveIndices = defined_default(instances[0][propertyName].indices);
const primitiveType = instances[0][propertyName].primitiveType;
for (i = 1; i < length; ++i) {
if (!Matrix4_default.equals(instances[i].modelMatrix, m)) {
throw new DeveloperError_default("All instances must have the same modelMatrix.");
}
if (defined_default(instances[i][propertyName].indices) !== haveIndices) {
throw new DeveloperError_default(
"All instance geometries must have an indices or not have one."
);
}
if (instances[i][propertyName].primitiveType !== primitiveType) {
throw new DeveloperError_default(
"All instance geometries must have the same primitiveType."
);
}
}
const attributes = findAttributesInAllGeometries(instances, propertyName);
let values;
let sourceValues;
let sourceValuesLength;
for (name in attributes) {
if (attributes.hasOwnProperty(name)) {
values = attributes[name].values;
k = 0;
for (i = 0; i < length; ++i) {
sourceValues = instances[i][propertyName].attributes[name].values;
sourceValuesLength = sourceValues.length;
for (j = 0; j < sourceValuesLength; ++j) {
values[k++] = sourceValues[j];
}
}
}
}
let indices;
if (haveIndices) {
let numberOfIndices = 0;
for (i = 0; i < length; ++i) {
numberOfIndices += instances[i][propertyName].indices.length;
}
const numberOfVertices = Geometry_default.computeNumberOfVertices(
new Geometry_default({
attributes,
primitiveType: PrimitiveType_default.POINTS
})
);
const destIndices = IndexDatatype_default.createTypedArray(
numberOfVertices,
numberOfIndices
);
let destOffset = 0;
let offset = 0;
for (i = 0; i < length; ++i) {
const sourceIndices = instances[i][propertyName].indices;
const sourceIndicesLen = sourceIndices.length;
for (k = 0; k < sourceIndicesLen; ++k) {
destIndices[destOffset++] = offset + sourceIndices[k];
}
offset += Geometry_default.computeNumberOfVertices(instances[i][propertyName]);
}
indices = destIndices;
}
let center = new Cartesian3_default();
let radius = 0;
let bs;
for (i = 0; i < length; ++i) {
bs = instances[i][propertyName].boundingSphere;
if (!defined_default(bs)) {
center = void 0;
break;
}
Cartesian3_default.add(bs.center, center, center);
}
if (defined_default(center)) {
Cartesian3_default.divideByScalar(center, length, center);
for (i = 0; i < length; ++i) {
bs = instances[i][propertyName].boundingSphere;
const tempRadius = Cartesian3_default.magnitude(
Cartesian3_default.subtract(bs.center, center, tempScratch)
) + bs.radius;
if (tempRadius > radius) {
radius = tempRadius;
}
}
}
return new Geometry_default({
attributes,
indices,
primitiveType,
boundingSphere: defined_default(center) ? new BoundingSphere_default(center, radius) : void 0
});
}
GeometryPipeline.combineInstances = function(instances) {
if (!defined_default(instances) || instances.length < 1) {
throw new DeveloperError_default(
"instances is required and must have length greater than zero."
);
}
const instanceGeometry = [];
const instanceSplitGeometry = [];
const length = instances.length;
for (let i = 0; i < length; ++i) {
const instance = instances[i];
if (defined_default(instance.geometry)) {
instanceGeometry.push(instance);
} else if (defined_default(instance.westHemisphereGeometry) && defined_default(instance.eastHemisphereGeometry)) {
instanceSplitGeometry.push(instance);
}
}
const geometries = [];
if (instanceGeometry.length > 0) {
geometries.push(combineGeometries(instanceGeometry, "geometry"));
}
if (instanceSplitGeometry.length > 0) {
geometries.push(
combineGeometries(instanceSplitGeometry, "westHemisphereGeometry")
);
geometries.push(
combineGeometries(instanceSplitGeometry, "eastHemisphereGeometry")
);
}
return geometries;
};
var normal = new Cartesian3_default();
var v0 = new Cartesian3_default();
var v1 = new Cartesian3_default();
var v2 = new Cartesian3_default();
GeometryPipeline.computeNormal = function(geometry) {
if (!defined_default(geometry)) {
throw new DeveloperError_default("geometry is required.");
}
if (!defined_default(geometry.attributes.position) || !defined_default(geometry.attributes.position.values)) {
throw new DeveloperError_default(
"geometry.attributes.position.values is required."
);
}
if (!defined_default(geometry.indices)) {
throw new DeveloperError_default("geometry.indices is required.");
}
if (geometry.indices.length < 2 || geometry.indices.length % 3 !== 0) {
throw new DeveloperError_default(
"geometry.indices length must be greater than 0 and be a multiple of 3."
);
}
if (geometry.primitiveType !== PrimitiveType_default.TRIANGLES) {
throw new DeveloperError_default(
"geometry.primitiveType must be PrimitiveType.TRIANGLES."
);
}
const indices = geometry.indices;
const attributes = geometry.attributes;
const vertices = attributes.position.values;
const numVertices = attributes.position.values.length / 3;
const numIndices = indices.length;
const normalsPerVertex = new Array(numVertices);
const normalsPerTriangle = new Array(numIndices / 3);
const normalIndices = new Array(numIndices);
let i;
for (i = 0; i < numVertices; i++) {
normalsPerVertex[i] = {
indexOffset: 0,
count: 0,
currentCount: 0
};
}
let j = 0;
for (i = 0; i < numIndices; i += 3) {
const i0 = indices[i];
const i1 = indices[i + 1];
const i2 = indices[i + 2];
const i03 = i0 * 3;
const i13 = i1 * 3;
const i23 = i2 * 3;
v0.x = vertices[i03];
v0.y = vertices[i03 + 1];
v0.z = vertices[i03 + 2];
v1.x = vertices[i13];
v1.y = vertices[i13 + 1];
v1.z = vertices[i13 + 2];
v2.x = vertices[i23];
v2.y = vertices[i23 + 1];
v2.z = vertices[i23 + 2];
normalsPerVertex[i0].count++;
normalsPerVertex[i1].count++;
normalsPerVertex[i2].count++;
Cartesian3_default.subtract(v1, v0, v1);
Cartesian3_default.subtract(v2, v0, v2);
normalsPerTriangle[j] = Cartesian3_default.cross(v1, v2, new Cartesian3_default());
j++;
}
let indexOffset = 0;
for (i = 0; i < numVertices; i++) {
normalsPerVertex[i].indexOffset += indexOffset;
indexOffset += normalsPerVertex[i].count;
}
j = 0;
let vertexNormalData;
for (i = 0; i < numIndices; i += 3) {
vertexNormalData = normalsPerVertex[indices[i]];
let index = vertexNormalData.indexOffset + vertexNormalData.currentCount;
normalIndices[index] = j;
vertexNormalData.currentCount++;
vertexNormalData = normalsPerVertex[indices[i + 1]];
index = vertexNormalData.indexOffset + vertexNormalData.currentCount;
normalIndices[index] = j;
vertexNormalData.currentCount++;
vertexNormalData = normalsPerVertex[indices[i + 2]];
index = vertexNormalData.indexOffset + vertexNormalData.currentCount;
normalIndices[index] = j;
vertexNormalData.currentCount++;
j++;
}
const normalValues = new Float32Array(numVertices * 3);
for (i = 0; i < numVertices; i++) {
const i3 = i * 3;
vertexNormalData = normalsPerVertex[i];
Cartesian3_default.clone(Cartesian3_default.ZERO, normal);
if (vertexNormalData.count > 0) {
for (j = 0; j < vertexNormalData.count; j++) {
Cartesian3_default.add(
normal,
normalsPerTriangle[normalIndices[vertexNormalData.indexOffset + j]],
normal
);
}
if (Cartesian3_default.equalsEpsilon(Cartesian3_default.ZERO, normal, Math_default.EPSILON10)) {
Cartesian3_default.clone(
normalsPerTriangle[normalIndices[vertexNormalData.indexOffset]],
normal
);
}
}
if (Cartesian3_default.equalsEpsilon(Cartesian3_default.ZERO, normal, Math_default.EPSILON10)) {
normal.z = 1;
}
Cartesian3_default.normalize(normal, normal);
normalValues[i3] = normal.x;
normalValues[i3 + 1] = normal.y;
normalValues[i3 + 2] = normal.z;
}
geometry.attributes.normal = new GeometryAttribute_default({
componentDatatype: ComponentDatatype_default.FLOAT,
componentsPerAttribute: 3,
values: normalValues
});
return geometry;
};
var normalScratch = new Cartesian3_default();
var normalScale = new Cartesian3_default();
var tScratch = new Cartesian3_default();
GeometryPipeline.computeTangentAndBitangent = function(geometry) {
if (!defined_default(geometry)) {
throw new DeveloperError_default("geometry is required.");
}
const attributes = geometry.attributes;
const indices = geometry.indices;
if (!defined_default(attributes.position) || !defined_default(attributes.position.values)) {
throw new DeveloperError_default(
"geometry.attributes.position.values is required."
);
}
if (!defined_default(attributes.normal) || !defined_default(attributes.normal.values)) {
throw new DeveloperError_default("geometry.attributes.normal.values is required.");
}
if (!defined_default(attributes.st) || !defined_default(attributes.st.values)) {
throw new DeveloperError_default("geometry.attributes.st.values is required.");
}
if (!defined_default(indices)) {
throw new DeveloperError_default("geometry.indices is required.");
}
if (indices.length < 2 || indices.length % 3 !== 0) {
throw new DeveloperError_default(
"geometry.indices length must be greater than 0 and be a multiple of 3."
);
}
if (geometry.primitiveType !== PrimitiveType_default.TRIANGLES) {
throw new DeveloperError_default(
"geometry.primitiveType must be PrimitiveType.TRIANGLES."
);
}
const vertices = geometry.attributes.position.values;
const normals = geometry.attributes.normal.values;
const st = geometry.attributes.st.values;
const numVertices = geometry.attributes.position.values.length / 3;
const numIndices = indices.length;
const tan1 = new Array(numVertices * 3);
let i;
for (i = 0; i < tan1.length; i++) {
tan1[i] = 0;
}
let i03;
let i13;
let i23;
for (i = 0; i < numIndices; i += 3) {
const i0 = indices[i];
const i1 = indices[i + 1];
const i2 = indices[i + 2];
i03 = i0 * 3;
i13 = i1 * 3;
i23 = i2 * 3;
const i02 = i0 * 2;
const i12 = i1 * 2;
const i22 = i2 * 2;
const ux = vertices[i03];
const uy = vertices[i03 + 1];
const uz = vertices[i03 + 2];
const wx = st[i02];
const wy = st[i02 + 1];
const t1 = st[i12 + 1] - wy;
const t2 = st[i22 + 1] - wy;
const r = 1 / ((st[i12] - wx) * t2 - (st[i22] - wx) * t1);
const sdirx = (t2 * (vertices[i13] - ux) - t1 * (vertices[i23] - ux)) * r;
const sdiry = (t2 * (vertices[i13 + 1] - uy) - t1 * (vertices[i23 + 1] - uy)) * r;
const sdirz = (t2 * (vertices[i13 + 2] - uz) - t1 * (vertices[i23 + 2] - uz)) * r;
tan1[i03] += sdirx;
tan1[i03 + 1] += sdiry;
tan1[i03 + 2] += sdirz;
tan1[i13] += sdirx;
tan1[i13 + 1] += sdiry;
tan1[i13 + 2] += sdirz;
tan1[i23] += sdirx;
tan1[i23 + 1] += sdiry;
tan1[i23 + 2] += sdirz;
}
const tangentValues = new Float32Array(numVertices * 3);
const bitangentValues = new Float32Array(numVertices * 3);
for (i = 0; i < numVertices; i++) {
i03 = i * 3;
i13 = i03 + 1;
i23 = i03 + 2;
const n = Cartesian3_default.fromArray(normals, i03, normalScratch);
const t = Cartesian3_default.fromArray(tan1, i03, tScratch);
const scalar = Cartesian3_default.dot(n, t);
Cartesian3_default.multiplyByScalar(n, scalar, normalScale);
Cartesian3_default.normalize(Cartesian3_default.subtract(t, normalScale, t), t);
tangentValues[i03] = t.x;
tangentValues[i13] = t.y;
tangentValues[i23] = t.z;
Cartesian3_default.normalize(Cartesian3_default.cross(n, t, t), t);
bitangentValues[i03] = t.x;
bitangentValues[i13] = t.y;
bitangentValues[i23] = t.z;
}
geometry.attributes.tangent = new GeometryAttribute_default({
componentDatatype: ComponentDatatype_default.FLOAT,
componentsPerAttribute: 3,
values: tangentValues
});
geometry.attributes.bitangent = new GeometryAttribute_default({
componentDatatype: ComponentDatatype_default.FLOAT,
componentsPerAttribute: 3,
values: bitangentValues
});
return geometry;
};
var scratchCartesian22 = new Cartesian2_default();
var toEncode1 = new Cartesian3_default();
var toEncode2 = new Cartesian3_default();
var toEncode3 = new Cartesian3_default();
var encodeResult2 = new Cartesian2_default();
GeometryPipeline.compressVertices = function(geometry) {
if (!defined_default(geometry)) {
throw new DeveloperError_default("geometry is required.");
}
const extrudeAttribute = geometry.attributes.extrudeDirection;
let i;
let numVertices;
if (defined_default(extrudeAttribute)) {
const extrudeDirections = extrudeAttribute.values;
numVertices = extrudeDirections.length / 3;
const compressedDirections = new Float32Array(numVertices * 2);
let i2 = 0;
for (i = 0; i < numVertices; ++i) {
Cartesian3_default.fromArray(extrudeDirections, i * 3, toEncode1);
if (Cartesian3_default.equals(toEncode1, Cartesian3_default.ZERO)) {
i2 += 2;
continue;
}
encodeResult2 = AttributeCompression_default.octEncodeInRange(
toEncode1,
65535,
encodeResult2
);
compressedDirections[i2++] = encodeResult2.x;
compressedDirections[i2++] = encodeResult2.y;
}
geometry.attributes.compressedAttributes = new GeometryAttribute_default({
componentDatatype: ComponentDatatype_default.FLOAT,
componentsPerAttribute: 2,
values: compressedDirections
});
delete geometry.attributes.extrudeDirection;
return geometry;
}
const normalAttribute = geometry.attributes.normal;
const stAttribute = geometry.attributes.st;
const hasNormal = defined_default(normalAttribute);
const hasSt = defined_default(stAttribute);
if (!hasNormal && !hasSt) {
return geometry;
}
const tangentAttribute = geometry.attributes.tangent;
const bitangentAttribute = geometry.attributes.bitangent;
const hasTangent = defined_default(tangentAttribute);
const hasBitangent = defined_default(bitangentAttribute);
let normals;
let st;
let tangents;
let bitangents;
if (hasNormal) {
normals = normalAttribute.values;
}
if (hasSt) {
st = stAttribute.values;
}
if (hasTangent) {
tangents = tangentAttribute.values;
}
if (hasBitangent) {
bitangents = bitangentAttribute.values;
}
const length = hasNormal ? normals.length : st.length;
const numComponents = hasNormal ? 3 : 2;
numVertices = length / numComponents;
let compressedLength = numVertices;
let numCompressedComponents = hasSt && hasNormal ? 2 : 1;
numCompressedComponents += hasTangent || hasBitangent ? 1 : 0;
compressedLength *= numCompressedComponents;
const compressedAttributes = new Float32Array(compressedLength);
let normalIndex = 0;
for (i = 0; i < numVertices; ++i) {
if (hasSt) {
Cartesian2_default.fromArray(st, i * 2, scratchCartesian22);
compressedAttributes[normalIndex++] = AttributeCompression_default.compressTextureCoordinates(scratchCartesian22);
}
const index = i * 3;
if (hasNormal && defined_default(tangents) && defined_default(bitangents)) {
Cartesian3_default.fromArray(normals, index, toEncode1);
Cartesian3_default.fromArray(tangents, index, toEncode2);
Cartesian3_default.fromArray(bitangents, index, toEncode3);
AttributeCompression_default.octPack(
toEncode1,
toEncode2,
toEncode3,
scratchCartesian22
);
compressedAttributes[normalIndex++] = scratchCartesian22.x;
compressedAttributes[normalIndex++] = scratchCartesian22.y;
} else {
if (hasNormal) {
Cartesian3_default.fromArray(normals, index, toEncode1);
compressedAttributes[normalIndex++] = AttributeCompression_default.octEncodeFloat(toEncode1);
}
if (hasTangent) {
Cartesian3_default.fromArray(tangents, index, toEncode1);
compressedAttributes[normalIndex++] = AttributeCompression_default.octEncodeFloat(toEncode1);
}
if (hasBitangent) {
Cartesian3_default.fromArray(bitangents, index, toEncode1);
compressedAttributes[normalIndex++] = AttributeCompression_default.octEncodeFloat(toEncode1);
}
}
}
geometry.attributes.compressedAttributes = new GeometryAttribute_default({
componentDatatype: ComponentDatatype_default.FLOAT,
componentsPerAttribute: numCompressedComponents,
values: compressedAttributes
});
if (hasNormal) {
delete geometry.attributes.normal;
}
if (hasSt) {
delete geometry.attributes.st;
}
if (hasBitangent) {
delete geometry.attributes.bitangent;
}
if (hasTangent) {
delete geometry.attributes.tangent;
}
return geometry;
};
function indexTriangles(geometry) {
if (defined_default(geometry.indices)) {
return geometry;
}
const numberOfVertices = Geometry_default.computeNumberOfVertices(geometry);
if (numberOfVertices < 3) {
throw new DeveloperError_default("The number of vertices must be at least three.");
}
if (numberOfVertices % 3 !== 0) {
throw new DeveloperError_default(
"The number of vertices must be a multiple of three."
);
}
const indices = IndexDatatype_default.createTypedArray(
numberOfVertices,
numberOfVertices
);
for (let i = 0; i < numberOfVertices; ++i) {
indices[i] = i;
}
geometry.indices = indices;
return geometry;
}
function indexTriangleFan(geometry) {
const numberOfVertices = Geometry_default.computeNumberOfVertices(geometry);
if (numberOfVertices < 3) {
throw new DeveloperError_default("The number of vertices must be at least three.");
}
const indices = IndexDatatype_default.createTypedArray(
numberOfVertices,
(numberOfVertices - 2) * 3
);
indices[0] = 1;
indices[1] = 0;
indices[2] = 2;
let indicesIndex = 3;
for (let i = 3; i < numberOfVertices; ++i) {
indices[indicesIndex++] = i - 1;
indices[indicesIndex++] = 0;
indices[indicesIndex++] = i;
}
geometry.indices = indices;
geometry.primitiveType = PrimitiveType_default.TRIANGLES;
return geometry;
}
function indexTriangleStrip(geometry) {
const numberOfVertices = Geometry_default.computeNumberOfVertices(geometry);
if (numberOfVertices < 3) {
throw new DeveloperError_default("The number of vertices must be at least 3.");
}
const indices = IndexDatatype_default.createTypedArray(
numberOfVertices,
(numberOfVertices - 2) * 3
);
indices[0] = 0;
indices[1] = 1;
indices[2] = 2;
if (numberOfVertices > 3) {
indices[3] = 0;
indices[4] = 2;
indices[5] = 3;
}
let indicesIndex = 6;
for (let i = 3; i < numberOfVertices - 1; i += 2) {
indices[indicesIndex++] = i;
indices[indicesIndex++] = i - 1;
indices[indicesIndex++] = i + 1;
if (i + 2 < numberOfVertices) {
indices[indicesIndex++] = i;
indices[indicesIndex++] = i + 1;
indices[indicesIndex++] = i + 2;
}
}
geometry.indices = indices;
geometry.primitiveType = PrimitiveType_default.TRIANGLES;
return geometry;
}
function indexLines(geometry) {
if (defined_default(geometry.indices)) {
return geometry;
}
const numberOfVertices = Geometry_default.computeNumberOfVertices(geometry);
if (numberOfVertices < 2) {
throw new DeveloperError_default("The number of vertices must be at least two.");
}
if (numberOfVertices % 2 !== 0) {
throw new DeveloperError_default("The number of vertices must be a multiple of 2.");
}
const indices = IndexDatatype_default.createTypedArray(
numberOfVertices,
numberOfVertices
);
for (let i = 0; i < numberOfVertices; ++i) {
indices[i] = i;
}
geometry.indices = indices;
return geometry;
}
function indexLineStrip(geometry) {
const numberOfVertices = Geometry_default.computeNumberOfVertices(geometry);
if (numberOfVertices < 2) {
throw new DeveloperError_default("The number of vertices must be at least two.");
}
const indices = IndexDatatype_default.createTypedArray(
numberOfVertices,
(numberOfVertices - 1) * 2
);
indices[0] = 0;
indices[1] = 1;
let indicesIndex = 2;
for (let i = 2; i < numberOfVertices; ++i) {
indices[indicesIndex++] = i - 1;
indices[indicesIndex++] = i;
}
geometry.indices = indices;
geometry.primitiveType = PrimitiveType_default.LINES;
return geometry;
}
function indexLineLoop(geometry) {
const numberOfVertices = Geometry_default.computeNumberOfVertices(geometry);
if (numberOfVertices < 2) {
throw new DeveloperError_default("The number of vertices must be at least two.");
}
const indices = IndexDatatype_default.createTypedArray(
numberOfVertices,
numberOfVertices * 2
);
indices[0] = 0;
indices[1] = 1;
let indicesIndex = 2;
for (let i = 2; i < numberOfVertices; ++i) {
indices[indicesIndex++] = i - 1;
indices[indicesIndex++] = i;
}
indices[indicesIndex++] = numberOfVertices - 1;
indices[indicesIndex] = 0;
geometry.indices = indices;
geometry.primitiveType = PrimitiveType_default.LINES;
return geometry;
}
function indexPrimitive(geometry) {
switch (geometry.primitiveType) {
case PrimitiveType_default.TRIANGLE_FAN:
return indexTriangleFan(geometry);
case PrimitiveType_default.TRIANGLE_STRIP:
return indexTriangleStrip(geometry);
case PrimitiveType_default.TRIANGLES:
return indexTriangles(geometry);
case PrimitiveType_default.LINE_STRIP:
return indexLineStrip(geometry);
case PrimitiveType_default.LINE_LOOP:
return indexLineLoop(geometry);
case PrimitiveType_default.LINES:
return indexLines(geometry);
}
return geometry;
}
function offsetPointFromXZPlane(p, isBehind) {
if (Math.abs(p.y) < Math_default.EPSILON6) {
if (isBehind) {
p.y = -Math_default.EPSILON6;
} else {
p.y = Math_default.EPSILON6;
}
}
}
function offsetTriangleFromXZPlane(p0, p1, p2) {
if (p0.y !== 0 && p1.y !== 0 && p2.y !== 0) {
offsetPointFromXZPlane(p0, p0.y < 0);
offsetPointFromXZPlane(p1, p1.y < 0);
offsetPointFromXZPlane(p2, p2.y < 0);
return;
}
const p0y = Math.abs(p0.y);
const p1y = Math.abs(p1.y);
const p2y = Math.abs(p2.y);
let sign;
if (p0y > p1y) {
if (p0y > p2y) {
sign = Math_default.sign(p0.y);
} else {
sign = Math_default.sign(p2.y);
}
} else if (p1y > p2y) {
sign = Math_default.sign(p1.y);
} else {
sign = Math_default.sign(p2.y);
}
const isBehind = sign < 0;
offsetPointFromXZPlane(p0, isBehind);
offsetPointFromXZPlane(p1, isBehind);
offsetPointFromXZPlane(p2, isBehind);
}
var c3 = new Cartesian3_default();
function getXZIntersectionOffsetPoints(p, p1, u12, v12) {
Cartesian3_default.add(
p,
Cartesian3_default.multiplyByScalar(
Cartesian3_default.subtract(p1, p, c3),
p.y / (p.y - p1.y),
c3
),
u12
);
Cartesian3_default.clone(u12, v12);
offsetPointFromXZPlane(u12, true);
offsetPointFromXZPlane(v12, false);
}
var u1 = new Cartesian3_default();
var u2 = new Cartesian3_default();
var q1 = new Cartesian3_default();
var q2 = new Cartesian3_default();
var splitTriangleResult = {
positions: new Array(7),
indices: new Array(3 * 3)
};
function splitTriangle(p0, p1, p2) {
if (p0.x >= 0 || p1.x >= 0 || p2.x >= 0) {
return void 0;
}
offsetTriangleFromXZPlane(p0, p1, p2);
const p0Behind = p0.y < 0;
const p1Behind = p1.y < 0;
const p2Behind = p2.y < 0;
let numBehind = 0;
numBehind += p0Behind ? 1 : 0;
numBehind += p1Behind ? 1 : 0;
numBehind += p2Behind ? 1 : 0;
const indices = splitTriangleResult.indices;
if (numBehind === 1) {
indices[1] = 3;
indices[2] = 4;
indices[5] = 6;
indices[7] = 6;
indices[8] = 5;
if (p0Behind) {
getXZIntersectionOffsetPoints(p0, p1, u1, q1);
getXZIntersectionOffsetPoints(p0, p2, u2, q2);
indices[0] = 0;
indices[3] = 1;
indices[4] = 2;
indices[6] = 1;
} else if (p1Behind) {
getXZIntersectionOffsetPoints(p1, p2, u1, q1);
getXZIntersectionOffsetPoints(p1, p0, u2, q2);
indices[0] = 1;
indices[3] = 2;
indices[4] = 0;
indices[6] = 2;
} else if (p2Behind) {
getXZIntersectionOffsetPoints(p2, p0, u1, q1);
getXZIntersectionOffsetPoints(p2, p1, u2, q2);
indices[0] = 2;
indices[3] = 0;
indices[4] = 1;
indices[6] = 0;
}
} else if (numBehind === 2) {
indices[2] = 4;
indices[4] = 4;
indices[5] = 3;
indices[7] = 5;
indices[8] = 6;
if (!p0Behind) {
getXZIntersectionOffsetPoints(p0, p1, u1, q1);
getXZIntersectionOffsetPoints(p0, p2, u2, q2);
indices[0] = 1;
indices[1] = 2;
indices[3] = 1;
indices[6] = 0;
} else if (!p1Behind) {
getXZIntersectionOffsetPoints(p1, p2, u1, q1);
getXZIntersectionOffsetPoints(p1, p0, u2, q2);
indices[0] = 2;
indices[1] = 0;
indices[3] = 2;
indices[6] = 1;
} else if (!p2Behind) {
getXZIntersectionOffsetPoints(p2, p0, u1, q1);
getXZIntersectionOffsetPoints(p2, p1, u2, q2);
indices[0] = 0;
indices[1] = 1;
indices[3] = 0;
indices[6] = 2;
}
}
const positions = splitTriangleResult.positions;
positions[0] = p0;
positions[1] = p1;
positions[2] = p2;
positions.length = 3;
if (numBehind === 1 || numBehind === 2) {
positions[3] = u1;
positions[4] = u2;
positions[5] = q1;
positions[6] = q2;
positions.length = 7;
}
return splitTriangleResult;
}
function updateGeometryAfterSplit(geometry, computeBoundingSphere) {
const attributes = geometry.attributes;
if (attributes.position.values.length === 0) {
return void 0;
}
for (const property in attributes) {
if (attributes.hasOwnProperty(property) && defined_default(attributes[property]) && defined_default(attributes[property].values)) {
const attribute = attributes[property];
attribute.values = ComponentDatatype_default.createTypedArray(
attribute.componentDatatype,
attribute.values
);
}
}
const numberOfVertices = Geometry_default.computeNumberOfVertices(geometry);
geometry.indices = IndexDatatype_default.createTypedArray(
numberOfVertices,
geometry.indices
);
if (computeBoundingSphere) {
geometry.boundingSphere = BoundingSphere_default.fromVertices(
attributes.position.values
);
}
return geometry;
}
function copyGeometryForSplit(geometry) {
const attributes = geometry.attributes;
const copiedAttributes = {};
for (const property in attributes) {
if (attributes.hasOwnProperty(property) && defined_default(attributes[property]) && defined_default(attributes[property].values)) {
const attribute = attributes[property];
copiedAttributes[property] = new GeometryAttribute_default({
componentDatatype: attribute.componentDatatype,
componentsPerAttribute: attribute.componentsPerAttribute,
normalize: attribute.normalize,
values: []
});
}
}
return new Geometry_default({
attributes: copiedAttributes,
indices: [],
primitiveType: geometry.primitiveType
});
}
function updateInstanceAfterSplit(instance, westGeometry, eastGeometry) {
const computeBoundingSphere = defined_default(instance.geometry.boundingSphere);
westGeometry = updateGeometryAfterSplit(westGeometry, computeBoundingSphere);
eastGeometry = updateGeometryAfterSplit(eastGeometry, computeBoundingSphere);
if (defined_default(eastGeometry) && !defined_default(westGeometry)) {
instance.geometry = eastGeometry;
} else if (!defined_default(eastGeometry) && defined_default(westGeometry)) {
instance.geometry = westGeometry;
} else {
instance.westHemisphereGeometry = westGeometry;
instance.eastHemisphereGeometry = eastGeometry;
instance.geometry = void 0;
}
}
function generateBarycentricInterpolateFunction(CartesianType, numberOfComponents) {
const v0Scratch = new CartesianType();
const v1Scratch = new CartesianType();
const v2Scratch = new CartesianType();
return function(i0, i1, i2, coords, sourceValues, currentValues, insertedIndex, normalize) {
const v02 = CartesianType.fromArray(
sourceValues,
i0 * numberOfComponents,
v0Scratch
);
const v12 = CartesianType.fromArray(
sourceValues,
i1 * numberOfComponents,
v1Scratch
);
const v22 = CartesianType.fromArray(
sourceValues,
i2 * numberOfComponents,
v2Scratch
);
CartesianType.multiplyByScalar(v02, coords.x, v02);
CartesianType.multiplyByScalar(v12, coords.y, v12);
CartesianType.multiplyByScalar(v22, coords.z, v22);
const value = CartesianType.add(v02, v12, v02);
CartesianType.add(value, v22, value);
if (normalize) {
CartesianType.normalize(value, value);
}
CartesianType.pack(
value,
currentValues,
insertedIndex * numberOfComponents
);
};
}
var interpolateAndPackCartesian4 = generateBarycentricInterpolateFunction(
Cartesian4_default,
4
);
var interpolateAndPackCartesian3 = generateBarycentricInterpolateFunction(
Cartesian3_default,
3
);
var interpolateAndPackCartesian2 = generateBarycentricInterpolateFunction(
Cartesian2_default,
2
);
var interpolateAndPackBoolean = function(i0, i1, i2, coords, sourceValues, currentValues, insertedIndex) {
const v12 = sourceValues[i0] * coords.x;
const v22 = sourceValues[i1] * coords.y;
const v3 = sourceValues[i2] * coords.z;
currentValues[insertedIndex] = v12 + v22 + v3 > Math_default.EPSILON6 ? 1 : 0;
};
var p0Scratch = new Cartesian3_default();
var p1Scratch = new Cartesian3_default();
var p2Scratch = new Cartesian3_default();
var barycentricScratch = new Cartesian3_default();
function computeTriangleAttributes(i0, i1, i2, point, positions, normals, tangents, bitangents, texCoords, extrudeDirections, applyOffset, currentAttributes, customAttributeNames, customAttributesLength, allAttributes, insertedIndex) {
if (!defined_default(normals) && !defined_default(tangents) && !defined_default(bitangents) && !defined_default(texCoords) && !defined_default(extrudeDirections) && customAttributesLength === 0) {
return;
}
const p0 = Cartesian3_default.fromArray(positions, i0 * 3, p0Scratch);
const p1 = Cartesian3_default.fromArray(positions, i1 * 3, p1Scratch);
const p2 = Cartesian3_default.fromArray(positions, i2 * 3, p2Scratch);
const coords = barycentricCoordinates_default(point, p0, p1, p2, barycentricScratch);
if (!defined_default(coords)) {
return;
}
if (defined_default(normals)) {
interpolateAndPackCartesian3(
i0,
i1,
i2,
coords,
normals,
currentAttributes.normal.values,
insertedIndex,
true
);
}
if (defined_default(extrudeDirections)) {
const d0 = Cartesian3_default.fromArray(extrudeDirections, i0 * 3, p0Scratch);
const d1 = Cartesian3_default.fromArray(extrudeDirections, i1 * 3, p1Scratch);
const d2 = Cartesian3_default.fromArray(extrudeDirections, i2 * 3, p2Scratch);
Cartesian3_default.multiplyByScalar(d0, coords.x, d0);
Cartesian3_default.multiplyByScalar(d1, coords.y, d1);
Cartesian3_default.multiplyByScalar(d2, coords.z, d2);
let direction;
if (!Cartesian3_default.equals(d0, Cartesian3_default.ZERO) || !Cartesian3_default.equals(d1, Cartesian3_default.ZERO) || !Cartesian3_default.equals(d2, Cartesian3_default.ZERO)) {
direction = Cartesian3_default.add(d0, d1, d0);
Cartesian3_default.add(direction, d2, direction);
Cartesian3_default.normalize(direction, direction);
} else {
direction = p0Scratch;
direction.x = 0;
direction.y = 0;
direction.z = 0;
}
Cartesian3_default.pack(
direction,
currentAttributes.extrudeDirection.values,
insertedIndex * 3
);
}
if (defined_default(applyOffset)) {
interpolateAndPackBoolean(
i0,
i1,
i2,
coords,
applyOffset,
currentAttributes.applyOffset.values,
insertedIndex
);
}
if (defined_default(tangents)) {
interpolateAndPackCartesian3(
i0,
i1,
i2,
coords,
tangents,
currentAttributes.tangent.values,
insertedIndex,
true
);
}
if (defined_default(bitangents)) {
interpolateAndPackCartesian3(
i0,
i1,
i2,
coords,
bitangents,
currentAttributes.bitangent.values,
insertedIndex,
true
);
}
if (defined_default(texCoords)) {
interpolateAndPackCartesian2(
i0,
i1,
i2,
coords,
texCoords,
currentAttributes.st.values,
insertedIndex
);
}
if (customAttributesLength > 0) {
for (let i = 0; i < customAttributesLength; i++) {
const attributeName = customAttributeNames[i];
genericInterpolate(
i0,
i1,
i2,
coords,
insertedIndex,
allAttributes[attributeName],
currentAttributes[attributeName]
);
}
}
}
function genericInterpolate(i0, i1, i2, coords, insertedIndex, sourceAttribute, currentAttribute) {
const componentsPerAttribute = sourceAttribute.componentsPerAttribute;
const sourceValues = sourceAttribute.values;
const currentValues = currentAttribute.values;
switch (componentsPerAttribute) {
case 4:
interpolateAndPackCartesian4(
i0,
i1,
i2,
coords,
sourceValues,
currentValues,
insertedIndex,
false
);
break;
case 3:
interpolateAndPackCartesian3(
i0,
i1,
i2,
coords,
sourceValues,
currentValues,
insertedIndex,
false
);
break;
case 2:
interpolateAndPackCartesian2(
i0,
i1,
i2,
coords,
sourceValues,
currentValues,
insertedIndex,
false
);
break;
default:
currentValues[insertedIndex] = sourceValues[i0] * coords.x + sourceValues[i1] * coords.y + sourceValues[i2] * coords.z;
}
}
function insertSplitPoint(currentAttributes, currentIndices, currentIndexMap, indices, currentIndex, point) {
const insertIndex = currentAttributes.position.values.length / 3;
if (currentIndex !== -1) {
const prevIndex = indices[currentIndex];
const newIndex = currentIndexMap[prevIndex];
if (newIndex === -1) {
currentIndexMap[prevIndex] = insertIndex;
currentAttributes.position.values.push(point.x, point.y, point.z);
currentIndices.push(insertIndex);
return insertIndex;
}
currentIndices.push(newIndex);
return newIndex;
}
currentAttributes.position.values.push(point.x, point.y, point.z);
currentIndices.push(insertIndex);
return insertIndex;
}
var NAMED_ATTRIBUTES = {
position: true,
normal: true,
bitangent: true,
tangent: true,
st: true,
extrudeDirection: true,
applyOffset: true
};
function splitLongitudeTriangles(instance) {
const geometry = instance.geometry;
const attributes = geometry.attributes;
const positions = attributes.position.values;
const normals = defined_default(attributes.normal) ? attributes.normal.values : void 0;
const bitangents = defined_default(attributes.bitangent) ? attributes.bitangent.values : void 0;
const tangents = defined_default(attributes.tangent) ? attributes.tangent.values : void 0;
const texCoords = defined_default(attributes.st) ? attributes.st.values : void 0;
const extrudeDirections = defined_default(attributes.extrudeDirection) ? attributes.extrudeDirection.values : void 0;
const applyOffset = defined_default(attributes.applyOffset) ? attributes.applyOffset.values : void 0;
const indices = geometry.indices;
const customAttributeNames = [];
for (const attributeName in attributes) {
if (attributes.hasOwnProperty(attributeName) && !NAMED_ATTRIBUTES[attributeName] && defined_default(attributes[attributeName])) {
customAttributeNames.push(attributeName);
}
}
const customAttributesLength = customAttributeNames.length;
const eastGeometry = copyGeometryForSplit(geometry);
const westGeometry = copyGeometryForSplit(geometry);
let currentAttributes;
let currentIndices;
let currentIndexMap;
let insertedIndex;
let i;
const westGeometryIndexMap = [];
westGeometryIndexMap.length = positions.length / 3;
const eastGeometryIndexMap = [];
eastGeometryIndexMap.length = positions.length / 3;
for (i = 0; i < westGeometryIndexMap.length; ++i) {
westGeometryIndexMap[i] = -1;
eastGeometryIndexMap[i] = -1;
}
const len = indices.length;
for (i = 0; i < len; i += 3) {
const i0 = indices[i];
const i1 = indices[i + 1];
const i2 = indices[i + 2];
let p0 = Cartesian3_default.fromArray(positions, i0 * 3);
let p1 = Cartesian3_default.fromArray(positions, i1 * 3);
let p2 = Cartesian3_default.fromArray(positions, i2 * 3);
const result = splitTriangle(p0, p1, p2);
if (defined_default(result) && result.positions.length > 3) {
const resultPositions = result.positions;
const resultIndices = result.indices;
const resultLength = resultIndices.length;
for (let j = 0; j < resultLength; ++j) {
const resultIndex = resultIndices[j];
const point = resultPositions[resultIndex];
if (point.y < 0) {
currentAttributes = westGeometry.attributes;
currentIndices = westGeometry.indices;
currentIndexMap = westGeometryIndexMap;
} else {
currentAttributes = eastGeometry.attributes;
currentIndices = eastGeometry.indices;
currentIndexMap = eastGeometryIndexMap;
}
insertedIndex = insertSplitPoint(
currentAttributes,
currentIndices,
currentIndexMap,
indices,
resultIndex < 3 ? i + resultIndex : -1,
point
);
computeTriangleAttributes(
i0,
i1,
i2,
point,
positions,
normals,
tangents,
bitangents,
texCoords,
extrudeDirections,
applyOffset,
currentAttributes,
customAttributeNames,
customAttributesLength,
attributes,
insertedIndex
);
}
} else {
if (defined_default(result)) {
p0 = result.positions[0];
p1 = result.positions[1];
p2 = result.positions[2];
}
if (p0.y < 0) {
currentAttributes = westGeometry.attributes;
currentIndices = westGeometry.indices;
currentIndexMap = westGeometryIndexMap;
} else {
currentAttributes = eastGeometry.attributes;
currentIndices = eastGeometry.indices;
currentIndexMap = eastGeometryIndexMap;
}
insertedIndex = insertSplitPoint(
currentAttributes,
currentIndices,
currentIndexMap,
indices,
i,
p0
);
computeTriangleAttributes(
i0,
i1,
i2,
p0,
positions,
normals,
tangents,
bitangents,
texCoords,
extrudeDirections,
applyOffset,
currentAttributes,
customAttributeNames,
customAttributesLength,
attributes,
insertedIndex
);
insertedIndex = insertSplitPoint(
currentAttributes,
currentIndices,
currentIndexMap,
indices,
i + 1,
p1
);
computeTriangleAttributes(
i0,
i1,
i2,
p1,
positions,
normals,
tangents,
bitangents,
texCoords,
extrudeDirections,
applyOffset,
currentAttributes,
customAttributeNames,
customAttributesLength,
attributes,
insertedIndex
);
insertedIndex = insertSplitPoint(
currentAttributes,
currentIndices,
currentIndexMap,
indices,
i + 2,
p2
);
computeTriangleAttributes(
i0,
i1,
i2,
p2,
positions,
normals,
tangents,
bitangents,
texCoords,
extrudeDirections,
applyOffset,
currentAttributes,
customAttributeNames,
customAttributesLength,
attributes,
insertedIndex
);
}
}
updateInstanceAfterSplit(instance, westGeometry, eastGeometry);
}
var xzPlane = Plane_default.fromPointNormal(Cartesian3_default.ZERO, Cartesian3_default.UNIT_Y);
var offsetScratch = new Cartesian3_default();
var offsetPointScratch = new Cartesian3_default();
function computeLineAttributes(i0, i1, point, positions, insertIndex, currentAttributes, applyOffset) {
if (!defined_default(applyOffset)) {
return;
}
const p0 = Cartesian3_default.fromArray(positions, i0 * 3, p0Scratch);
if (Cartesian3_default.equalsEpsilon(p0, point, Math_default.EPSILON10)) {
currentAttributes.applyOffset.values[insertIndex] = applyOffset[i0];
} else {
currentAttributes.applyOffset.values[insertIndex] = applyOffset[i1];
}
}
function splitLongitudeLines(instance) {
const geometry = instance.geometry;
const attributes = geometry.attributes;
const positions = attributes.position.values;
const applyOffset = defined_default(attributes.applyOffset) ? attributes.applyOffset.values : void 0;
const indices = geometry.indices;
const eastGeometry = copyGeometryForSplit(geometry);
const westGeometry = copyGeometryForSplit(geometry);
let i;
const length = indices.length;
const westGeometryIndexMap = [];
westGeometryIndexMap.length = positions.length / 3;
const eastGeometryIndexMap = [];
eastGeometryIndexMap.length = positions.length / 3;
for (i = 0; i < westGeometryIndexMap.length; ++i) {
westGeometryIndexMap[i] = -1;
eastGeometryIndexMap[i] = -1;
}
for (i = 0; i < length; i += 2) {
const i0 = indices[i];
const i1 = indices[i + 1];
const p0 = Cartesian3_default.fromArray(positions, i0 * 3, p0Scratch);
const p1 = Cartesian3_default.fromArray(positions, i1 * 3, p1Scratch);
let insertIndex;
if (Math.abs(p0.y) < Math_default.EPSILON6) {
if (p0.y < 0) {
p0.y = -Math_default.EPSILON6;
} else {
p0.y = Math_default.EPSILON6;
}
}
if (Math.abs(p1.y) < Math_default.EPSILON6) {
if (p1.y < 0) {
p1.y = -Math_default.EPSILON6;
} else {
p1.y = Math_default.EPSILON6;
}
}
let p0Attributes = eastGeometry.attributes;
let p0Indices = eastGeometry.indices;
let p0IndexMap = eastGeometryIndexMap;
let p1Attributes = westGeometry.attributes;
let p1Indices = westGeometry.indices;
let p1IndexMap = westGeometryIndexMap;
const intersection = IntersectionTests_default.lineSegmentPlane(
p0,
p1,
xzPlane,
p2Scratch
);
if (defined_default(intersection)) {
const offset = Cartesian3_default.multiplyByScalar(
Cartesian3_default.UNIT_Y,
5 * Math_default.EPSILON9,
offsetScratch
);
if (p0.y < 0) {
Cartesian3_default.negate(offset, offset);
p0Attributes = westGeometry.attributes;
p0Indices = westGeometry.indices;
p0IndexMap = westGeometryIndexMap;
p1Attributes = eastGeometry.attributes;
p1Indices = eastGeometry.indices;
p1IndexMap = eastGeometryIndexMap;
}
const offsetPoint = Cartesian3_default.add(
intersection,
offset,
offsetPointScratch
);
insertIndex = insertSplitPoint(
p0Attributes,
p0Indices,
p0IndexMap,
indices,
i,
p0
);
computeLineAttributes(
i0,
i1,
p0,
positions,
insertIndex,
p0Attributes,
applyOffset
);
insertIndex = insertSplitPoint(
p0Attributes,
p0Indices,
p0IndexMap,
indices,
-1,
offsetPoint
);
computeLineAttributes(
i0,
i1,
offsetPoint,
positions,
insertIndex,
p0Attributes,
applyOffset
);
Cartesian3_default.negate(offset, offset);
Cartesian3_default.add(intersection, offset, offsetPoint);
insertIndex = insertSplitPoint(
p1Attributes,
p1Indices,
p1IndexMap,
indices,
-1,
offsetPoint
);
computeLineAttributes(
i0,
i1,
offsetPoint,
positions,
insertIndex,
p1Attributes,
applyOffset
);
insertIndex = insertSplitPoint(
p1Attributes,
p1Indices,
p1IndexMap,
indices,
i + 1,
p1
);
computeLineAttributes(
i0,
i1,
p1,
positions,
insertIndex,
p1Attributes,
applyOffset
);
} else {
let currentAttributes;
let currentIndices;
let currentIndexMap;
if (p0.y < 0) {
currentAttributes = westGeometry.attributes;
currentIndices = westGeometry.indices;
currentIndexMap = westGeometryIndexMap;
} else {
currentAttributes = eastGeometry.attributes;
currentIndices = eastGeometry.indices;
currentIndexMap = eastGeometryIndexMap;
}
insertIndex = insertSplitPoint(
currentAttributes,
currentIndices,
currentIndexMap,
indices,
i,
p0
);
computeLineAttributes(
i0,
i1,
p0,
positions,
insertIndex,
currentAttributes,
applyOffset
);
insertIndex = insertSplitPoint(
currentAttributes,
currentIndices,
currentIndexMap,
indices,
i + 1,
p1
);
computeLineAttributes(
i0,
i1,
p1,
positions,
insertIndex,
currentAttributes,
applyOffset
);
}
}
updateInstanceAfterSplit(instance, westGeometry, eastGeometry);
}
var cartesian2Scratch0 = new Cartesian2_default();
var cartesian2Scratch1 = new Cartesian2_default();
var cartesian3Scratch0 = new Cartesian3_default();
var cartesian3Scratch2 = new Cartesian3_default();
var cartesian3Scratch3 = new Cartesian3_default();
var cartesian3Scratch4 = new Cartesian3_default();
var cartesian3Scratch5 = new Cartesian3_default();
var cartesian3Scratch6 = new Cartesian3_default();
var cartesian4Scratch0 = new Cartesian4_default();
function updateAdjacencyAfterSplit(geometry) {
const attributes = geometry.attributes;
const positions = attributes.position.values;
const prevPositions = attributes.prevPosition.values;
const nextPositions = attributes.nextPosition.values;
const length = positions.length;
for (let j = 0; j < length; j += 3) {
const position = Cartesian3_default.unpack(positions, j, cartesian3Scratch0);
if (position.x > 0) {
continue;
}
const prevPosition = Cartesian3_default.unpack(
prevPositions,
j,
cartesian3Scratch2
);
if (position.y < 0 && prevPosition.y > 0 || position.y > 0 && prevPosition.y < 0) {
if (j - 3 > 0) {
prevPositions[j] = positions[j - 3];
prevPositions[j + 1] = positions[j - 2];
prevPositions[j + 2] = positions[j - 1];
} else {
Cartesian3_default.pack(position, prevPositions, j);
}
}
const nextPosition = Cartesian3_default.unpack(
nextPositions,
j,
cartesian3Scratch3
);
if (position.y < 0 && nextPosition.y > 0 || position.y > 0 && nextPosition.y < 0) {
if (j + 3 < length) {
nextPositions[j] = positions[j + 3];
nextPositions[j + 1] = positions[j + 4];
nextPositions[j + 2] = positions[j + 5];
} else {
Cartesian3_default.pack(position, nextPositions, j);
}
}
}
}
var offsetScalar = 5 * Math_default.EPSILON9;
var coplanarOffset = Math_default.EPSILON6;
function splitLongitudePolyline(instance) {
const geometry = instance.geometry;
const attributes = geometry.attributes;
const positions = attributes.position.values;
const prevPositions = attributes.prevPosition.values;
const nextPositions = attributes.nextPosition.values;
const expandAndWidths = attributes.expandAndWidth.values;
const texCoords = defined_default(attributes.st) ? attributes.st.values : void 0;
const colors = defined_default(attributes.color) ? attributes.color.values : void 0;
const eastGeometry = copyGeometryForSplit(geometry);
const westGeometry = copyGeometryForSplit(geometry);
let i;
let j;
let index;
let intersectionFound = false;
const length = positions.length / 3;
for (i = 0; i < length; i += 4) {
const i0 = i;
const i2 = i + 2;
const p0 = Cartesian3_default.fromArray(positions, i0 * 3, cartesian3Scratch0);
const p2 = Cartesian3_default.fromArray(positions, i2 * 3, cartesian3Scratch2);
if (Math.abs(p0.y) < coplanarOffset) {
p0.y = coplanarOffset * (p2.y < 0 ? -1 : 1);
positions[i * 3 + 1] = p0.y;
positions[(i + 1) * 3 + 1] = p0.y;
for (j = i0 * 3; j < i0 * 3 + 4 * 3; j += 3) {
prevPositions[j] = positions[i * 3];
prevPositions[j + 1] = positions[i * 3 + 1];
prevPositions[j + 2] = positions[i * 3 + 2];
}
}
if (Math.abs(p2.y) < coplanarOffset) {
p2.y = coplanarOffset * (p0.y < 0 ? -1 : 1);
positions[(i + 2) * 3 + 1] = p2.y;
positions[(i + 3) * 3 + 1] = p2.y;
for (j = i0 * 3; j < i0 * 3 + 4 * 3; j += 3) {
nextPositions[j] = positions[(i + 2) * 3];
nextPositions[j + 1] = positions[(i + 2) * 3 + 1];
nextPositions[j + 2] = positions[(i + 2) * 3 + 2];
}
}
let p0Attributes = eastGeometry.attributes;
let p0Indices = eastGeometry.indices;
let p2Attributes = westGeometry.attributes;
let p2Indices = westGeometry.indices;
const intersection = IntersectionTests_default.lineSegmentPlane(
p0,
p2,
xzPlane,
cartesian3Scratch4
);
if (defined_default(intersection)) {
intersectionFound = true;
const offset = Cartesian3_default.multiplyByScalar(
Cartesian3_default.UNIT_Y,
offsetScalar,
cartesian3Scratch5
);
if (p0.y < 0) {
Cartesian3_default.negate(offset, offset);
p0Attributes = westGeometry.attributes;
p0Indices = westGeometry.indices;
p2Attributes = eastGeometry.attributes;
p2Indices = eastGeometry.indices;
}
const offsetPoint = Cartesian3_default.add(
intersection,
offset,
cartesian3Scratch6
);
p0Attributes.position.values.push(p0.x, p0.y, p0.z, p0.x, p0.y, p0.z);
p0Attributes.position.values.push(
offsetPoint.x,
offsetPoint.y,
offsetPoint.z
);
p0Attributes.position.values.push(
offsetPoint.x,
offsetPoint.y,
offsetPoint.z
);
p0Attributes.prevPosition.values.push(
prevPositions[i0 * 3],
prevPositions[i0 * 3 + 1],
prevPositions[i0 * 3 + 2]
);
p0Attributes.prevPosition.values.push(
prevPositions[i0 * 3 + 3],
prevPositions[i0 * 3 + 4],
prevPositions[i0 * 3 + 5]
);
p0Attributes.prevPosition.values.push(p0.x, p0.y, p0.z, p0.x, p0.y, p0.z);
p0Attributes.nextPosition.values.push(
offsetPoint.x,
offsetPoint.y,
offsetPoint.z
);
p0Attributes.nextPosition.values.push(
offsetPoint.x,
offsetPoint.y,
offsetPoint.z
);
p0Attributes.nextPosition.values.push(
offsetPoint.x,
offsetPoint.y,
offsetPoint.z
);
p0Attributes.nextPosition.values.push(
offsetPoint.x,
offsetPoint.y,
offsetPoint.z
);
Cartesian3_default.negate(offset, offset);
Cartesian3_default.add(intersection, offset, offsetPoint);
p2Attributes.position.values.push(
offsetPoint.x,
offsetPoint.y,
offsetPoint.z
);
p2Attributes.position.values.push(
offsetPoint.x,
offsetPoint.y,
offsetPoint.z
);
p2Attributes.position.values.push(p2.x, p2.y, p2.z, p2.x, p2.y, p2.z);
p2Attributes.prevPosition.values.push(
offsetPoint.x,
offsetPoint.y,
offsetPoint.z
);
p2Attributes.prevPosition.values.push(
offsetPoint.x,
offsetPoint.y,
offsetPoint.z
);
p2Attributes.prevPosition.values.push(
offsetPoint.x,
offsetPoint.y,
offsetPoint.z
);
p2Attributes.prevPosition.values.push(
offsetPoint.x,
offsetPoint.y,
offsetPoint.z
);
p2Attributes.nextPosition.values.push(p2.x, p2.y, p2.z, p2.x, p2.y, p2.z);
p2Attributes.nextPosition.values.push(
nextPositions[i2 * 3],
nextPositions[i2 * 3 + 1],
nextPositions[i2 * 3 + 2]
);
p2Attributes.nextPosition.values.push(
nextPositions[i2 * 3 + 3],
nextPositions[i2 * 3 + 4],
nextPositions[i2 * 3 + 5]
);
const ew0 = Cartesian2_default.fromArray(
expandAndWidths,
i0 * 2,
cartesian2Scratch0
);
const width = Math.abs(ew0.y);
p0Attributes.expandAndWidth.values.push(-1, width, 1, width);
p0Attributes.expandAndWidth.values.push(-1, -width, 1, -width);
p2Attributes.expandAndWidth.values.push(-1, width, 1, width);
p2Attributes.expandAndWidth.values.push(-1, -width, 1, -width);
let t = Cartesian3_default.magnitudeSquared(
Cartesian3_default.subtract(intersection, p0, cartesian3Scratch3)
);
t /= Cartesian3_default.magnitudeSquared(
Cartesian3_default.subtract(p2, p0, cartesian3Scratch3)
);
if (defined_default(colors)) {
const c0 = Cartesian4_default.fromArray(colors, i0 * 4, cartesian4Scratch0);
const c2 = Cartesian4_default.fromArray(colors, i2 * 4, cartesian4Scratch0);
const r = Math_default.lerp(c0.x, c2.x, t);
const g = Math_default.lerp(c0.y, c2.y, t);
const b = Math_default.lerp(c0.z, c2.z, t);
const a = Math_default.lerp(c0.w, c2.w, t);
for (j = i0 * 4; j < i0 * 4 + 2 * 4; ++j) {
p0Attributes.color.values.push(colors[j]);
}
p0Attributes.color.values.push(r, g, b, a);
p0Attributes.color.values.push(r, g, b, a);
p2Attributes.color.values.push(r, g, b, a);
p2Attributes.color.values.push(r, g, b, a);
for (j = i2 * 4; j < i2 * 4 + 2 * 4; ++j) {
p2Attributes.color.values.push(colors[j]);
}
}
if (defined_default(texCoords)) {
const s0 = Cartesian2_default.fromArray(texCoords, i0 * 2, cartesian2Scratch0);
const s3 = Cartesian2_default.fromArray(
texCoords,
(i + 3) * 2,
cartesian2Scratch1
);
const sx = Math_default.lerp(s0.x, s3.x, t);
for (j = i0 * 2; j < i0 * 2 + 2 * 2; ++j) {
p0Attributes.st.values.push(texCoords[j]);
}
p0Attributes.st.values.push(sx, s0.y);
p0Attributes.st.values.push(sx, s3.y);
p2Attributes.st.values.push(sx, s0.y);
p2Attributes.st.values.push(sx, s3.y);
for (j = i2 * 2; j < i2 * 2 + 2 * 2; ++j) {
p2Attributes.st.values.push(texCoords[j]);
}
}
index = p0Attributes.position.values.length / 3 - 4;
p0Indices.push(index, index + 2, index + 1);
p0Indices.push(index + 1, index + 2, index + 3);
index = p2Attributes.position.values.length / 3 - 4;
p2Indices.push(index, index + 2, index + 1);
p2Indices.push(index + 1, index + 2, index + 3);
} else {
let currentAttributes;
let currentIndices;
if (p0.y < 0) {
currentAttributes = westGeometry.attributes;
currentIndices = westGeometry.indices;
} else {
currentAttributes = eastGeometry.attributes;
currentIndices = eastGeometry.indices;
}
currentAttributes.position.values.push(p0.x, p0.y, p0.z);
currentAttributes.position.values.push(p0.x, p0.y, p0.z);
currentAttributes.position.values.push(p2.x, p2.y, p2.z);
currentAttributes.position.values.push(p2.x, p2.y, p2.z);
for (j = i * 3; j < i * 3 + 4 * 3; ++j) {
currentAttributes.prevPosition.values.push(prevPositions[j]);
currentAttributes.nextPosition.values.push(nextPositions[j]);
}
for (j = i * 2; j < i * 2 + 4 * 2; ++j) {
currentAttributes.expandAndWidth.values.push(expandAndWidths[j]);
if (defined_default(texCoords)) {
currentAttributes.st.values.push(texCoords[j]);
}
}
if (defined_default(colors)) {
for (j = i * 4; j < i * 4 + 4 * 4; ++j) {
currentAttributes.color.values.push(colors[j]);
}
}
index = currentAttributes.position.values.length / 3 - 4;
currentIndices.push(index, index + 2, index + 1);
currentIndices.push(index + 1, index + 2, index + 3);
}
}
if (intersectionFound) {
updateAdjacencyAfterSplit(westGeometry);
updateAdjacencyAfterSplit(eastGeometry);
}
updateInstanceAfterSplit(instance, westGeometry, eastGeometry);
}
GeometryPipeline.splitLongitude = function(instance) {
if (!defined_default(instance)) {
throw new DeveloperError_default("instance is required.");
}
const geometry = instance.geometry;
const boundingSphere = geometry.boundingSphere;
if (defined_default(boundingSphere)) {
const minX = boundingSphere.center.x - boundingSphere.radius;
if (minX > 0 || BoundingSphere_default.intersectPlane(boundingSphere, Plane_default.ORIGIN_ZX_PLANE) !== Intersect_default.INTERSECTING) {
return instance;
}
}
if (geometry.geometryType !== GeometryType_default.NONE) {
switch (geometry.geometryType) {
case GeometryType_default.POLYLINES:
splitLongitudePolyline(instance);
break;
case GeometryType_default.TRIANGLES:
splitLongitudeTriangles(instance);
break;
case GeometryType_default.LINES:
splitLongitudeLines(instance);
break;
}
} else {
indexPrimitive(geometry);
if (geometry.primitiveType === PrimitiveType_default.TRIANGLES) {
splitLongitudeTriangles(instance);
} else if (geometry.primitiveType === PrimitiveType_default.LINES) {
splitLongitudeLines(instance);
}
}
return instance;
};
var GeometryPipeline_default = GeometryPipeline;
export {
GeometryPipeline_default
};
/**
* @license
* Cesium - https://github.com/CesiumGS/cesium
* Version 1.121.2
*
* Copyright 2011-2022 Cesium Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Columbus View (Pat. Pend.)
*
* Portions licensed separately.
* See https://github.com/CesiumGS/cesium/blob/main/LICENSE.md for full licensing details.
*/
import {
GeographicProjection_default
} from "./chunk-KHZNBFOH.js";
import {
Matrix2_default,
Rectangle_default
} from "./chunk-6SQMLVGV.js";
import {
Cartesian3_default,
Cartographic_default,
Ellipsoid_default
} from "./chunk-FFLMY4TE.js";
import {
Math_default
} from "./chunk-WGDFYAGC.js";
import {
DeveloperError_default
} from "./chunk-P6TRGU3S.js";
import {
defined_default
} from "./chunk-YCDZX5LS.js";
// packages/engine/Source/Core/RectangleGeometryLibrary.js
var cos = Math.cos;
var sin = Math.sin;
var sqrt = Math.sqrt;
var RectangleGeometryLibrary = {};
RectangleGeometryLibrary.computePosition = function(computedOptions, ellipsoid, computeST, row, col, position, st) {
const radiiSquared = ellipsoid.radiiSquared;
const nwCorner = computedOptions.nwCorner;
const rectangle = computedOptions.boundingRectangle;
let stLatitude = nwCorner.latitude - computedOptions.granYCos * row + col * computedOptions.granXSin;
const cosLatitude = cos(stLatitude);
const nZ = sin(stLatitude);
const kZ = radiiSquared.z * nZ;
let stLongitude = nwCorner.longitude + row * computedOptions.granYSin + col * computedOptions.granXCos;
const nX = cosLatitude * cos(stLongitude);
const nY = cosLatitude * sin(stLongitude);
const kX = radiiSquared.x * nX;
const kY = radiiSquared.y * nY;
const gamma = sqrt(kX * nX + kY * nY + kZ * nZ);
position.x = kX / gamma;
position.y = kY / gamma;
position.z = kZ / gamma;
if (computeST) {
const stNwCorner = computedOptions.stNwCorner;
if (defined_default(stNwCorner)) {
stLatitude = stNwCorner.latitude - computedOptions.stGranYCos * row + col * computedOptions.stGranXSin;
stLongitude = stNwCorner.longitude + row * computedOptions.stGranYSin + col * computedOptions.stGranXCos;
st.x = (stLongitude - computedOptions.stWest) * computedOptions.lonScalar;
st.y = (stLatitude - computedOptions.stSouth) * computedOptions.latScalar;
} else {
st.x = (stLongitude - rectangle.west) * computedOptions.lonScalar;
st.y = (stLatitude - rectangle.south) * computedOptions.latScalar;
}
}
};
var rotationMatrixScratch = new Matrix2_default();
var nwCartesian = new Cartesian3_default();
var centerScratch = new Cartographic_default();
var centerCartesian = new Cartesian3_default();
var proj = new GeographicProjection_default();
function getRotationOptions(nwCorner, rotation, granularityX, granularityY, center, width, height) {
const cosRotation = Math.cos(rotation);
const granYCos = granularityY * cosRotation;
const granXCos = granularityX * cosRotation;
const sinRotation = Math.sin(rotation);
const granYSin = granularityY * sinRotation;
const granXSin = granularityX * sinRotation;
proj._ellipsoid = Ellipsoid_default.default;
nwCartesian = proj.project(nwCorner, nwCartesian);
nwCartesian = Cartesian3_default.subtract(nwCartesian, centerCartesian, nwCartesian);
const rotationMatrix = Matrix2_default.fromRotation(rotation, rotationMatrixScratch);
nwCartesian = Matrix2_default.multiplyByVector(
rotationMatrix,
nwCartesian,
nwCartesian
);
nwCartesian = Cartesian3_default.add(nwCartesian, centerCartesian, nwCartesian);
nwCorner = proj.unproject(nwCartesian, nwCorner);
width -= 1;
height -= 1;
const latitude = nwCorner.latitude;
const latitude0 = latitude + width * granXSin;
const latitude1 = latitude - granYCos * height;
const latitude2 = latitude - granYCos * height + width * granXSin;
const north = Math.max(latitude, latitude0, latitude1, latitude2);
const south = Math.min(latitude, latitude0, latitude1, latitude2);
const longitude = nwCorner.longitude;
const longitude0 = longitude + width * granXCos;
const longitude1 = longitude + height * granYSin;
const longitude2 = longitude + height * granYSin + width * granXCos;
const east = Math.max(longitude, longitude0, longitude1, longitude2);
const west = Math.min(longitude, longitude0, longitude1, longitude2);
return {
north,
south,
east,
west,
granYCos,
granYSin,
granXCos,
granXSin,
nwCorner
};
}
RectangleGeometryLibrary.computeOptions = function(rectangle, granularity, rotation, stRotation, boundingRectangleScratch, nwCornerResult, stNwCornerResult) {
let east = rectangle.east;
let west = rectangle.west;
let north = rectangle.north;
let south = rectangle.south;
let northCap = false;
let southCap = false;
if (north === Math_default.PI_OVER_TWO) {
northCap = true;
}
if (south === -Math_default.PI_OVER_TWO) {
southCap = true;
}
let dx;
const dy = north - south;
if (west > east) {
dx = Math_default.TWO_PI - west + east;
} else {
dx = east - west;
}
const width = Math.ceil(dx / granularity) + 1;
const height = Math.ceil(dy / granularity) + 1;
const granularityX = dx / (width - 1);
const granularityY = dy / (height - 1);
const nwCorner = Rectangle_default.northwest(rectangle, nwCornerResult);
const center = Rectangle_default.center(rectangle, centerScratch);
if (rotation !== 0 || stRotation !== 0) {
if (center.longitude < nwCorner.longitude) {
center.longitude += Math_default.TWO_PI;
}
proj._ellipsoid = Ellipsoid_default.default;
centerCartesian = proj.project(center, centerCartesian);
}
const granYCos = granularityY;
const granXCos = granularityX;
const granYSin = 0;
const granXSin = 0;
const boundingRectangle = Rectangle_default.clone(
rectangle,
boundingRectangleScratch
);
const computedOptions = {
granYCos,
granYSin,
granXCos,
granXSin,
nwCorner,
boundingRectangle,
width,
height,
northCap,
southCap
};
if (rotation !== 0) {
const rotationOptions = getRotationOptions(
nwCorner,
rotation,
granularityX,
granularityY,
center,
width,
height
);
north = rotationOptions.north;
south = rotationOptions.south;
east = rotationOptions.east;
west = rotationOptions.west;
if (north < -Math_default.PI_OVER_TWO || north > Math_default.PI_OVER_TWO || south < -Math_default.PI_OVER_TWO || south > Math_default.PI_OVER_TWO) {
throw new DeveloperError_default(
"Rotated rectangle is invalid. It crosses over either the north or south pole."
);
}
computedOptions.granYCos = rotationOptions.granYCos;
computedOptions.granYSin = rotationOptions.granYSin;
computedOptions.granXCos = rotationOptions.granXCos;
computedOptions.granXSin = rotationOptions.granXSin;
boundingRectangle.north = north;
boundingRectangle.south = south;
boundingRectangle.east = east;
boundingRectangle.west = west;
}
if (stRotation !== 0) {
rotation = rotation - stRotation;
const stNwCorner = Rectangle_default.northwest(boundingRectangle, stNwCornerResult);
const stRotationOptions = getRotationOptions(
stNwCorner,
rotation,
granularityX,
granularityY,
center,
width,
height
);
computedOptions.stGranYCos = stRotationOptions.granYCos;
computedOptions.stGranXCos = stRotationOptions.granXCos;
computedOptions.stGranYSin = stRotationOptions.granYSin;
computedOptions.stGranXSin = stRotationOptions.granXSin;
computedOptions.stNwCorner = stNwCorner;
computedOptions.stWest = stRotationOptions.west;
computedOptions.stSouth = stRotationOptions.south;
}
return computedOptions;
};
var RectangleGeometryLibrary_default = RectangleGeometryLibrary;
export {
RectangleGeometryLibrary_default
};
/**
* @license
* Cesium - https://github.com/CesiumGS/cesium
* Version 1.121.2
*
* Copyright 2011-2022 Cesium Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Columbus View (Pat. Pend.)
*
* Portions licensed separately.
* See https://github.com/CesiumGS/cesium/blob/main/LICENSE.md for full licensing details.
*/
import {
Cartesian3_default,
Cartographic_default,
Ellipsoid_default
} from "./chunk-FFLMY4TE.js";
import {
Math_default
} from "./chunk-WGDFYAGC.js";
import {
defaultValue_default
} from "./chunk-U5HSOKPQ.js";
import {
Check_default
} from "./chunk-P6TRGU3S.js";
import {
defined_default
} from "./chunk-YCDZX5LS.js";
// packages/engine/Source/Core/EllipsoidGeodesic.js
function setConstants(ellipsoidGeodesic) {
const uSquared = ellipsoidGeodesic._uSquared;
const a = ellipsoidGeodesic._ellipsoid.maximumRadius;
const b = ellipsoidGeodesic._ellipsoid.minimumRadius;
const f = (a - b) / a;
const cosineHeading = Math.cos(ellipsoidGeodesic._startHeading);
const sineHeading = Math.sin(ellipsoidGeodesic._startHeading);
const tanU = (1 - f) * Math.tan(ellipsoidGeodesic._start.latitude);
const cosineU = 1 / Math.sqrt(1 + tanU * tanU);
const sineU = cosineU * tanU;
const sigma = Math.atan2(tanU, cosineHeading);
const sineAlpha = cosineU * sineHeading;
const sineSquaredAlpha = sineAlpha * sineAlpha;
const cosineSquaredAlpha = 1 - sineSquaredAlpha;
const cosineAlpha = Math.sqrt(cosineSquaredAlpha);
const u2Over4 = uSquared / 4;
const u4Over16 = u2Over4 * u2Over4;
const u6Over64 = u4Over16 * u2Over4;
const u8Over256 = u4Over16 * u4Over16;
const a0 = 1 + u2Over4 - 3 * u4Over16 / 4 + 5 * u6Over64 / 4 - 175 * u8Over256 / 64;
const a1 = 1 - u2Over4 + 15 * u4Over16 / 8 - 35 * u6Over64 / 8;
const a2 = 1 - 3 * u2Over4 + 35 * u4Over16 / 4;
const a3 = 1 - 5 * u2Over4;
const distanceRatio = a0 * sigma - a1 * Math.sin(2 * sigma) * u2Over4 / 2 - a2 * Math.sin(4 * sigma) * u4Over16 / 16 - a3 * Math.sin(6 * sigma) * u6Over64 / 48 - Math.sin(8 * sigma) * 5 * u8Over256 / 512;
const constants = ellipsoidGeodesic._constants;
constants.a = a;
constants.b = b;
constants.f = f;
constants.cosineHeading = cosineHeading;
constants.sineHeading = sineHeading;
constants.tanU = tanU;
constants.cosineU = cosineU;
constants.sineU = sineU;
constants.sigma = sigma;
constants.sineAlpha = sineAlpha;
constants.sineSquaredAlpha = sineSquaredAlpha;
constants.cosineSquaredAlpha = cosineSquaredAlpha;
constants.cosineAlpha = cosineAlpha;
constants.u2Over4 = u2Over4;
constants.u4Over16 = u4Over16;
constants.u6Over64 = u6Over64;
constants.u8Over256 = u8Over256;
constants.a0 = a0;
constants.a1 = a1;
constants.a2 = a2;
constants.a3 = a3;
constants.distanceRatio = distanceRatio;
}
function computeC(f, cosineSquaredAlpha) {
return f * cosineSquaredAlpha * (4 + f * (4 - 3 * cosineSquaredAlpha)) / 16;
}
function computeDeltaLambda(f, sineAlpha, cosineSquaredAlpha, sigma, sineSigma, cosineSigma, cosineTwiceSigmaMidpoint) {
const C = computeC(f, cosineSquaredAlpha);
return (1 - C) * f * sineAlpha * (sigma + C * sineSigma * (cosineTwiceSigmaMidpoint + C * cosineSigma * (2 * cosineTwiceSigmaMidpoint * cosineTwiceSigmaMidpoint - 1)));
}
function vincentyInverseFormula(ellipsoidGeodesic, major, minor, firstLongitude, firstLatitude, secondLongitude, secondLatitude) {
const eff = (major - minor) / major;
const l = secondLongitude - firstLongitude;
const u1 = Math.atan((1 - eff) * Math.tan(firstLatitude));
const u2 = Math.atan((1 - eff) * Math.tan(secondLatitude));
const cosineU1 = Math.cos(u1);
const sineU1 = Math.sin(u1);
const cosineU2 = Math.cos(u2);
const sineU2 = Math.sin(u2);
const cc = cosineU1 * cosineU2;
const cs = cosineU1 * sineU2;
const ss = sineU1 * sineU2;
const sc = sineU1 * cosineU2;
let lambda = l;
let lambdaDot = Math_default.TWO_PI;
let cosineLambda = Math.cos(lambda);
let sineLambda = Math.sin(lambda);
let sigma;
let cosineSigma;
let sineSigma;
let cosineSquaredAlpha;
let cosineTwiceSigmaMidpoint;
do {
cosineLambda = Math.cos(lambda);
sineLambda = Math.sin(lambda);
const temp = cs - sc * cosineLambda;
sineSigma = Math.sqrt(
cosineU2 * cosineU2 * sineLambda * sineLambda + temp * temp
);
cosineSigma = ss + cc * cosineLambda;
sigma = Math.atan2(sineSigma, cosineSigma);
let sineAlpha;
if (sineSigma === 0) {
sineAlpha = 0;
cosineSquaredAlpha = 1;
} else {
sineAlpha = cc * sineLambda / sineSigma;
cosineSquaredAlpha = 1 - sineAlpha * sineAlpha;
}
lambdaDot = lambda;
cosineTwiceSigmaMidpoint = cosineSigma - 2 * ss / cosineSquaredAlpha;
if (!isFinite(cosineTwiceSigmaMidpoint)) {
cosineTwiceSigmaMidpoint = 0;
}
lambda = l + computeDeltaLambda(
eff,
sineAlpha,
cosineSquaredAlpha,
sigma,
sineSigma,
cosineSigma,
cosineTwiceSigmaMidpoint
);
} while (Math.abs(lambda - lambdaDot) > Math_default.EPSILON12);
const uSquared = cosineSquaredAlpha * (major * major - minor * minor) / (minor * minor);
const A = 1 + uSquared * (4096 + uSquared * (uSquared * (320 - 175 * uSquared) - 768)) / 16384;
const B = uSquared * (256 + uSquared * (uSquared * (74 - 47 * uSquared) - 128)) / 1024;
const cosineSquaredTwiceSigmaMidpoint = cosineTwiceSigmaMidpoint * cosineTwiceSigmaMidpoint;
const deltaSigma = B * sineSigma * (cosineTwiceSigmaMidpoint + B * (cosineSigma * (2 * cosineSquaredTwiceSigmaMidpoint - 1) - B * cosineTwiceSigmaMidpoint * (4 * sineSigma * sineSigma - 3) * (4 * cosineSquaredTwiceSigmaMidpoint - 3) / 6) / 4);
const distance = minor * A * (sigma - deltaSigma);
const startHeading = Math.atan2(
cosineU2 * sineLambda,
cs - sc * cosineLambda
);
const endHeading = Math.atan2(cosineU1 * sineLambda, cs * cosineLambda - sc);
ellipsoidGeodesic._distance = distance;
ellipsoidGeodesic._startHeading = startHeading;
ellipsoidGeodesic._endHeading = endHeading;
ellipsoidGeodesic._uSquared = uSquared;
}
var scratchCart1 = new Cartesian3_default();
var scratchCart2 = new Cartesian3_default();
function computeProperties(ellipsoidGeodesic, start, end, ellipsoid) {
const firstCartesian = Cartesian3_default.normalize(
ellipsoid.cartographicToCartesian(start, scratchCart2),
scratchCart1
);
const lastCartesian = Cartesian3_default.normalize(
ellipsoid.cartographicToCartesian(end, scratchCart2),
scratchCart2
);
Check_default.typeOf.number.greaterThanOrEquals(
"value",
Math.abs(
Math.abs(Cartesian3_default.angleBetween(firstCartesian, lastCartesian)) - Math.PI
),
0.0125
);
vincentyInverseFormula(
ellipsoidGeodesic,
ellipsoid.maximumRadius,
ellipsoid.minimumRadius,
start.longitude,
start.latitude,
end.longitude,
end.latitude
);
ellipsoidGeodesic._start = Cartographic_default.clone(
start,
ellipsoidGeodesic._start
);
ellipsoidGeodesic._end = Cartographic_default.clone(end, ellipsoidGeodesic._end);
ellipsoidGeodesic._start.height = 0;
ellipsoidGeodesic._end.height = 0;
setConstants(ellipsoidGeodesic);
}
function EllipsoidGeodesic(start, end, ellipsoid) {
const e = defaultValue_default(ellipsoid, Ellipsoid_default.default);
this._ellipsoid = e;
this._start = new Cartographic_default();
this._end = new Cartographic_default();
this._constants = {};
this._startHeading = void 0;
this._endHeading = void 0;
this._distance = void 0;
this._uSquared = void 0;
if (defined_default(start) && defined_default(end)) {
computeProperties(this, start, end, e);
}
}
Object.defineProperties(EllipsoidGeodesic.prototype, {
/**
* Gets the ellipsoid.
* @memberof EllipsoidGeodesic.prototype
* @type {Ellipsoid}
* @readonly
*/
ellipsoid: {
get: function() {
return this._ellipsoid;
}
},
/**
* Gets the surface distance between the start and end point
* @memberof EllipsoidGeodesic.prototype
* @type {number}
* @readonly
*/
surfaceDistance: {
get: function() {
Check_default.defined("distance", this._distance);
return this._distance;
}
},
/**
* Gets the initial planetodetic point on the path.
* @memberof EllipsoidGeodesic.prototype
* @type {Cartographic}
* @readonly
*/
start: {
get: function() {
return this._start;
}
},
/**
* Gets the final planetodetic point on the path.
* @memberof EllipsoidGeodesic.prototype
* @type {Cartographic}
* @readonly
*/
end: {
get: function() {
return this._end;
}
},
/**
* Gets the heading at the initial point.
* @memberof EllipsoidGeodesic.prototype
* @type {number}
* @readonly
*/
startHeading: {
get: function() {
Check_default.defined("distance", this._distance);
return this._startHeading;
}
},
/**
* Gets the heading at the final point.
* @memberof EllipsoidGeodesic.prototype
* @type {number}
* @readonly
*/
endHeading: {
get: function() {
Check_default.defined("distance", this._distance);
return this._endHeading;
}
}
});
EllipsoidGeodesic.prototype.setEndPoints = function(start, end) {
Check_default.defined("start", start);
Check_default.defined("end", end);
computeProperties(this, start, end, this._ellipsoid);
};
EllipsoidGeodesic.prototype.interpolateUsingFraction = function(fraction, result) {
return this.interpolateUsingSurfaceDistance(
this._distance * fraction,
result
);
};
EllipsoidGeodesic.prototype.interpolateUsingSurfaceDistance = function(distance, result) {
Check_default.defined("distance", this._distance);
const constants = this._constants;
const s = constants.distanceRatio + distance / constants.b;
const cosine2S = Math.cos(2 * s);
const cosine4S = Math.cos(4 * s);
const cosine6S = Math.cos(6 * s);
const sine2S = Math.sin(2 * s);
const sine4S = Math.sin(4 * s);
const sine6S = Math.sin(6 * s);
const sine8S = Math.sin(8 * s);
const s2 = s * s;
const s3 = s * s2;
const u8Over256 = constants.u8Over256;
const u2Over4 = constants.u2Over4;
const u6Over64 = constants.u6Over64;
const u4Over16 = constants.u4Over16;
let sigma = 2 * s3 * u8Over256 * cosine2S / 3 + s * (1 - u2Over4 + 7 * u4Over16 / 4 - 15 * u6Over64 / 4 + 579 * u8Over256 / 64 - (u4Over16 - 15 * u6Over64 / 4 + 187 * u8Over256 / 16) * cosine2S - (5 * u6Over64 / 4 - 115 * u8Over256 / 16) * cosine4S - 29 * u8Over256 * cosine6S / 16) + (u2Over4 / 2 - u4Over16 + 71 * u6Over64 / 32 - 85 * u8Over256 / 16) * sine2S + (5 * u4Over16 / 16 - 5 * u6Over64 / 4 + 383 * u8Over256 / 96) * sine4S - s2 * ((u6Over64 - 11 * u8Over256 / 2) * sine2S + 5 * u8Over256 * sine4S / 2) + (29 * u6Over64 / 96 - 29 * u8Over256 / 16) * sine6S + 539 * u8Over256 * sine8S / 1536;
const theta = Math.asin(Math.sin(sigma) * constants.cosineAlpha);
const latitude = Math.atan(constants.a / constants.b * Math.tan(theta));
sigma = sigma - constants.sigma;
const cosineTwiceSigmaMidpoint = Math.cos(2 * constants.sigma + sigma);
const sineSigma = Math.sin(sigma);
const cosineSigma = Math.cos(sigma);
const cc = constants.cosineU * cosineSigma;
const ss = constants.sineU * sineSigma;
const lambda = Math.atan2(
sineSigma * constants.sineHeading,
cc - ss * constants.cosineHeading
);
const l = lambda - computeDeltaLambda(
constants.f,
constants.sineAlpha,
constants.cosineSquaredAlpha,
sigma,
sineSigma,
cosineSigma,
cosineTwiceSigmaMidpoint
);
if (defined_default(result)) {
result.longitude = this._start.longitude + l;
result.latitude = latitude;
result.height = 0;
return result;
}
return new Cartographic_default(this._start.longitude + l, latitude, 0);
};
var EllipsoidGeodesic_default = EllipsoidGeodesic;
export {
EllipsoidGeodesic_default
};
/**
* @license
* Cesium - https://github.com/CesiumGS/cesium
* Version 1.121.2
*
* Copyright 2011-2022 Cesium Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Columbus View (Pat. Pend.)
*
* Portions licensed separately.
* See https://github.com/CesiumGS/cesium/blob/main/LICENSE.md for full licensing details.
*/
import {
Math_default
} from "./chunk-WGDFYAGC.js";
import {
WebGLConstants_default
} from "./chunk-3HQMMUPU.js";
import {
DeveloperError_default
} from "./chunk-P6TRGU3S.js";
import {
defined_default
} from "./chunk-YCDZX5LS.js";
// packages/engine/Source/Core/IndexDatatype.js
var IndexDatatype = {
/**
* 8-bit unsigned byte corresponding to <code>UNSIGNED_BYTE</code> and the type
* of an element in <code>Uint8Array</code>.
*
* @type {number}
* @constant
*/
UNSIGNED_BYTE: WebGLConstants_default.UNSIGNED_BYTE,
/**
* 16-bit unsigned short corresponding to <code>UNSIGNED_SHORT</code> and the type
* of an element in <code>Uint16Array</code>.
*
* @type {number}
* @constant
*/
UNSIGNED_SHORT: WebGLConstants_default.UNSIGNED_SHORT,
/**
* 32-bit unsigned int corresponding to <code>UNSIGNED_INT</code> and the type
* of an element in <code>Uint32Array</code>.
*
* @type {number}
* @constant
*/
UNSIGNED_INT: WebGLConstants_default.UNSIGNED_INT
};
IndexDatatype.getSizeInBytes = function(indexDatatype) {
switch (indexDatatype) {
case IndexDatatype.UNSIGNED_BYTE:
return Uint8Array.BYTES_PER_ELEMENT;
case IndexDatatype.UNSIGNED_SHORT:
return Uint16Array.BYTES_PER_ELEMENT;
case IndexDatatype.UNSIGNED_INT:
return Uint32Array.BYTES_PER_ELEMENT;
}
throw new DeveloperError_default(
"indexDatatype is required and must be a valid IndexDatatype constant."
);
};
IndexDatatype.fromSizeInBytes = function(sizeInBytes) {
switch (sizeInBytes) {
case 2:
return IndexDatatype.UNSIGNED_SHORT;
case 4:
return IndexDatatype.UNSIGNED_INT;
case 1:
return IndexDatatype.UNSIGNED_BYTE;
//>>includeStart('debug', pragmas.debug);
default:
throw new DeveloperError_default(
"Size in bytes cannot be mapped to an IndexDatatype"
);
}
};
IndexDatatype.validate = function(indexDatatype) {
return defined_default(indexDatatype) && (indexDatatype === IndexDatatype.UNSIGNED_BYTE || indexDatatype === IndexDatatype.UNSIGNED_SHORT || indexDatatype === IndexDatatype.UNSIGNED_INT);
};
IndexDatatype.createTypedArray = function(numberOfVertices, indicesLengthOrArray) {
if (!defined_default(numberOfVertices)) {
throw new DeveloperError_default("numberOfVertices is required.");
}
if (numberOfVertices >= Math_default.SIXTY_FOUR_KILOBYTES) {
return new Uint32Array(indicesLengthOrArray);
}
return new Uint16Array(indicesLengthOrArray);
};
IndexDatatype.createTypedArrayFromArrayBuffer = function(numberOfVertices, sourceArray, byteOffset, length) {
if (!defined_default(numberOfVertices)) {
throw new DeveloperError_default("numberOfVertices is required.");
}
if (!defined_default(sourceArray)) {
throw new DeveloperError_default("sourceArray is required.");
}
if (!defined_default(byteOffset)) {
throw new DeveloperError_default("byteOffset is required.");
}
if (numberOfVertices >= Math_default.SIXTY_FOUR_KILOBYTES) {
return new Uint32Array(sourceArray, byteOffset, length);
}
return new Uint16Array(sourceArray, byteOffset, length);
};
IndexDatatype.fromTypedArray = function(array) {
if (array instanceof Uint8Array) {
return IndexDatatype.UNSIGNED_BYTE;
}
if (array instanceof Uint16Array) {
return IndexDatatype.UNSIGNED_SHORT;
}
if (array instanceof Uint32Array) {
return IndexDatatype.UNSIGNED_INT;
}
throw new DeveloperError_default(
"array must be a Uint8Array, Uint16Array, or Uint32Array."
);
};
var IndexDatatype_default = Object.freeze(IndexDatatype);
export {
IndexDatatype_default
};
/**
* @license
* Cesium - https://github.com/CesiumGS/cesium
* Version 1.121.2
*
* Copyright 2011-2022 Cesium Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Columbus View (Pat. Pend.)
*
* Portions licensed separately.
* See https://github.com/CesiumGS/cesium/blob/main/LICENSE.md for full licensing details.
*/
import {
Cartesian4_default,
Matrix4_default
} from "./chunk-6SQMLVGV.js";
import {
Cartesian3_default
} from "./chunk-FFLMY4TE.js";
import {
Math_default
} from "./chunk-WGDFYAGC.js";
import {
Check_default,
DeveloperError_default
} from "./chunk-P6TRGU3S.js";
import {
defined_default
} from "./chunk-YCDZX5LS.js";
// packages/engine/Source/Core/Plane.js
function Plane(normal, distance) {
Check_default.typeOf.object("normal", normal);
if (!Math_default.equalsEpsilon(
Cartesian3_default.magnitude(normal),
1,
Math_default.EPSILON6
)) {
throw new DeveloperError_default("normal must be normalized.");
}
Check_default.typeOf.number("distance", distance);
this.normal = Cartesian3_default.clone(normal);
this.distance = distance;
}
Plane.fromPointNormal = function(point, normal, result) {
Check_default.typeOf.object("point", point);
Check_default.typeOf.object("normal", normal);
if (!Math_default.equalsEpsilon(
Cartesian3_default.magnitude(normal),
1,
Math_default.EPSILON6
)) {
throw new DeveloperError_default("normal must be normalized.");
}
const distance = -Cartesian3_default.dot(normal, point);
if (!defined_default(result)) {
return new Plane(normal, distance);
}
Cartesian3_default.clone(normal, result.normal);
result.distance = distance;
return result;
};
var scratchNormal = new Cartesian3_default();
Plane.fromCartesian4 = function(coefficients, result) {
Check_default.typeOf.object("coefficients", coefficients);
const normal = Cartesian3_default.fromCartesian4(coefficients, scratchNormal);
const distance = coefficients.w;
if (!Math_default.equalsEpsilon(
Cartesian3_default.magnitude(normal),
1,
Math_default.EPSILON6
)) {
throw new DeveloperError_default("normal must be normalized.");
}
if (!defined_default(result)) {
return new Plane(normal, distance);
}
Cartesian3_default.clone(normal, result.normal);
result.distance = distance;
return result;
};
Plane.getPointDistance = function(plane, point) {
Check_default.typeOf.object("plane", plane);
Check_default.typeOf.object("point", point);
return Cartesian3_default.dot(plane.normal, point) + plane.distance;
};
var scratchCartesian = new Cartesian3_default();
Plane.projectPointOntoPlane = function(plane, point, result) {
Check_default.typeOf.object("plane", plane);
Check_default.typeOf.object("point", point);
if (!defined_default(result)) {
result = new Cartesian3_default();
}
const pointDistance = Plane.getPointDistance(plane, point);
const scaledNormal = Cartesian3_default.multiplyByScalar(
plane.normal,
pointDistance,
scratchCartesian
);
return Cartesian3_default.subtract(point, scaledNormal, result);
};
var scratchInverseTranspose = new Matrix4_default();
var scratchPlaneCartesian4 = new Cartesian4_default();
var scratchTransformNormal = new Cartesian3_default();
Plane.transform = function(plane, transform, result) {
Check_default.typeOf.object("plane", plane);
Check_default.typeOf.object("transform", transform);
const normal = plane.normal;
const distance = plane.distance;
const inverseTranspose = Matrix4_default.inverseTranspose(
transform,
scratchInverseTranspose
);
let planeAsCartesian4 = Cartesian4_default.fromElements(
normal.x,
normal.y,
normal.z,
distance,
scratchPlaneCartesian4
);
planeAsCartesian4 = Matrix4_default.multiplyByVector(
inverseTranspose,
planeAsCartesian4,
planeAsCartesian4
);
const transformedNormal = Cartesian3_default.fromCartesian4(
planeAsCartesian4,
scratchTransformNormal
);
planeAsCartesian4 = Cartesian4_default.divideByScalar(
planeAsCartesian4,
Cartesian3_default.magnitude(transformedNormal),
planeAsCartesian4
);
return Plane.fromCartesian4(planeAsCartesian4, result);
};
Plane.clone = function(plane, result) {
Check_default.typeOf.object("plane", plane);
if (!defined_default(result)) {
return new Plane(plane.normal, plane.distance);
}
Cartesian3_default.clone(plane.normal, result.normal);
result.distance = plane.distance;
return result;
};
Plane.equals = function(left, right) {
Check_default.typeOf.object("left", left);
Check_default.typeOf.object("right", right);
return left.distance === right.distance && Cartesian3_default.equals(left.normal, right.normal);
};
Plane.ORIGIN_XY_PLANE = Object.freeze(new Plane(Cartesian3_default.UNIT_Z, 0));
Plane.ORIGIN_YZ_PLANE = Object.freeze(new Plane(Cartesian3_default.UNIT_X, 0));
Plane.ORIGIN_ZX_PLANE = Object.freeze(new Plane(Cartesian3_default.UNIT_Y, 0));
var Plane_default = Plane;
export {
Plane_default
};
/**
* @license
* Cesium - https://github.com/CesiumGS/cesium
* Version 1.121.2
*
* Copyright 2011-2022 Cesium Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Columbus View (Pat. Pend.)
*
* Portions licensed separately.
* See https://github.com/CesiumGS/cesium/blob/main/LICENSE.md for full licensing details.
*/
import {
CornerType_default,
PolylineVolumeGeometryLibrary_default
} from "./chunk-3IFRSGEY.js";
import {
PolylinePipeline_default
} from "./chunk-QN6TBED4.js";
import {
Quaternion_default
} from "./chunk-6SQMLVGV.js";
import {
Cartesian3_default,
Matrix3_default
} from "./chunk-FFLMY4TE.js";
import {
Math_default
} from "./chunk-WGDFYAGC.js";
import {
defined_default
} from "./chunk-YCDZX5LS.js";
// packages/engine/Source/Core/CorridorGeometryLibrary.js
var CorridorGeometryLibrary = {};
var scratch1 = new Cartesian3_default();
var scratch2 = new Cartesian3_default();
var scratch3 = new Cartesian3_default();
var scratch4 = new Cartesian3_default();
var scaleArray2 = [new Cartesian3_default(), new Cartesian3_default()];
var cartesian1 = new Cartesian3_default();
var cartesian2 = new Cartesian3_default();
var cartesian3 = new Cartesian3_default();
var cartesian4 = new Cartesian3_default();
var cartesian5 = new Cartesian3_default();
var cartesian6 = new Cartesian3_default();
var cartesian7 = new Cartesian3_default();
var cartesian8 = new Cartesian3_default();
var cartesian9 = new Cartesian3_default();
var cartesian10 = new Cartesian3_default();
var quaterion = new Quaternion_default();
var rotMatrix = new Matrix3_default();
function computeRoundCorner(cornerPoint, startPoint, endPoint, cornerType, leftIsOutside) {
const angle = Cartesian3_default.angleBetween(
Cartesian3_default.subtract(startPoint, cornerPoint, scratch1),
Cartesian3_default.subtract(endPoint, cornerPoint, scratch2)
);
const granularity = cornerType === CornerType_default.BEVELED ? 1 : Math.ceil(angle / Math_default.toRadians(5)) + 1;
const size = granularity * 3;
const array = new Array(size);
array[size - 3] = endPoint.x;
array[size - 2] = endPoint.y;
array[size - 1] = endPoint.z;
let m;
if (leftIsOutside) {
m = Matrix3_default.fromQuaternion(
Quaternion_default.fromAxisAngle(
Cartesian3_default.negate(cornerPoint, scratch1),
angle / granularity,
quaterion
),
rotMatrix
);
} else {
m = Matrix3_default.fromQuaternion(
Quaternion_default.fromAxisAngle(cornerPoint, angle / granularity, quaterion),
rotMatrix
);
}
let index = 0;
startPoint = Cartesian3_default.clone(startPoint, scratch1);
for (let i = 0; i < granularity; i++) {
startPoint = Matrix3_default.multiplyByVector(m, startPoint, startPoint);
array[index++] = startPoint.x;
array[index++] = startPoint.y;
array[index++] = startPoint.z;
}
return array;
}
function addEndCaps(calculatedPositions) {
let cornerPoint = cartesian1;
let startPoint = cartesian2;
let endPoint = cartesian3;
let leftEdge = calculatedPositions[1];
startPoint = Cartesian3_default.fromArray(
calculatedPositions[1],
leftEdge.length - 3,
startPoint
);
endPoint = Cartesian3_default.fromArray(calculatedPositions[0], 0, endPoint);
cornerPoint = Cartesian3_default.midpoint(startPoint, endPoint, cornerPoint);
const firstEndCap = computeRoundCorner(
cornerPoint,
startPoint,
endPoint,
CornerType_default.ROUNDED,
false
);
const length = calculatedPositions.length - 1;
const rightEdge = calculatedPositions[length - 1];
leftEdge = calculatedPositions[length];
startPoint = Cartesian3_default.fromArray(
rightEdge,
rightEdge.length - 3,
startPoint
);
endPoint = Cartesian3_default.fromArray(leftEdge, 0, endPoint);
cornerPoint = Cartesian3_default.midpoint(startPoint, endPoint, cornerPoint);
const lastEndCap = computeRoundCorner(
cornerPoint,
startPoint,
endPoint,
CornerType_default.ROUNDED,
false
);
return [firstEndCap, lastEndCap];
}
function computeMiteredCorner(position, leftCornerDirection, lastPoint, leftIsOutside) {
let cornerPoint = scratch1;
if (leftIsOutside) {
cornerPoint = Cartesian3_default.add(position, leftCornerDirection, cornerPoint);
} else {
leftCornerDirection = Cartesian3_default.negate(
leftCornerDirection,
leftCornerDirection
);
cornerPoint = Cartesian3_default.add(position, leftCornerDirection, cornerPoint);
}
return [
cornerPoint.x,
cornerPoint.y,
cornerPoint.z,
lastPoint.x,
lastPoint.y,
lastPoint.z
];
}
function addShiftedPositions(positions, left, scalar, calculatedPositions) {
const rightPositions = new Array(positions.length);
const leftPositions = new Array(positions.length);
const scaledLeft = Cartesian3_default.multiplyByScalar(left, scalar, scratch1);
const scaledRight = Cartesian3_default.negate(scaledLeft, scratch2);
let rightIndex = 0;
let leftIndex = positions.length - 1;
for (let i = 0; i < positions.length; i += 3) {
const pos = Cartesian3_default.fromArray(positions, i, scratch3);
const rightPos = Cartesian3_default.add(pos, scaledRight, scratch4);
rightPositions[rightIndex++] = rightPos.x;
rightPositions[rightIndex++] = rightPos.y;
rightPositions[rightIndex++] = rightPos.z;
const leftPos = Cartesian3_default.add(pos, scaledLeft, scratch4);
leftPositions[leftIndex--] = leftPos.z;
leftPositions[leftIndex--] = leftPos.y;
leftPositions[leftIndex--] = leftPos.x;
}
calculatedPositions.push(rightPositions, leftPositions);
return calculatedPositions;
}
CorridorGeometryLibrary.addAttribute = function(attribute, value, front, back) {
const x = value.x;
const y = value.y;
const z = value.z;
if (defined_default(front)) {
attribute[front] = x;
attribute[front + 1] = y;
attribute[front + 2] = z;
}
if (defined_default(back)) {
attribute[back] = z;
attribute[back - 1] = y;
attribute[back - 2] = x;
}
};
var scratchForwardProjection = new Cartesian3_default();
var scratchBackwardProjection = new Cartesian3_default();
CorridorGeometryLibrary.computePositions = function(params) {
const granularity = params.granularity;
const positions = params.positions;
const ellipsoid = params.ellipsoid;
const width = params.width / 2;
const cornerType = params.cornerType;
const saveAttributes = params.saveAttributes;
let normal = cartesian1;
let forward = cartesian2;
let backward = cartesian3;
let left = cartesian4;
let cornerDirection = cartesian5;
let startPoint = cartesian6;
let previousPos = cartesian7;
let rightPos = cartesian8;
let leftPos = cartesian9;
let center = cartesian10;
let calculatedPositions = [];
const calculatedLefts = saveAttributes ? [] : void 0;
const calculatedNormals = saveAttributes ? [] : void 0;
let position = positions[0];
let nextPosition = positions[1];
forward = Cartesian3_default.normalize(
Cartesian3_default.subtract(nextPosition, position, forward),
forward
);
normal = ellipsoid.geodeticSurfaceNormal(position, normal);
left = Cartesian3_default.normalize(Cartesian3_default.cross(normal, forward, left), left);
if (saveAttributes) {
calculatedLefts.push(left.x, left.y, left.z);
calculatedNormals.push(normal.x, normal.y, normal.z);
}
previousPos = Cartesian3_default.clone(position, previousPos);
position = nextPosition;
backward = Cartesian3_default.negate(forward, backward);
let subdividedPositions;
const corners = [];
let i;
const length = positions.length;
for (i = 1; i < length - 1; i++) {
normal = ellipsoid.geodeticSurfaceNormal(position, normal);
nextPosition = positions[i + 1];
forward = Cartesian3_default.normalize(
Cartesian3_default.subtract(nextPosition, position, forward),
forward
);
cornerDirection = Cartesian3_default.normalize(
Cartesian3_default.add(forward, backward, cornerDirection),
cornerDirection
);
const forwardProjection = Cartesian3_default.multiplyByScalar(
normal,
Cartesian3_default.dot(forward, normal),
scratchForwardProjection
);
Cartesian3_default.subtract(forward, forwardProjection, forwardProjection);
Cartesian3_default.normalize(forwardProjection, forwardProjection);
const backwardProjection = Cartesian3_default.multiplyByScalar(
normal,
Cartesian3_default.dot(backward, normal),
scratchBackwardProjection
);
Cartesian3_default.subtract(backward, backwardProjection, backwardProjection);
Cartesian3_default.normalize(backwardProjection, backwardProjection);
const doCorner = !Math_default.equalsEpsilon(
Math.abs(Cartesian3_default.dot(forwardProjection, backwardProjection)),
1,
Math_default.EPSILON7
);
if (doCorner) {
cornerDirection = Cartesian3_default.cross(
cornerDirection,
normal,
cornerDirection
);
cornerDirection = Cartesian3_default.cross(
normal,
cornerDirection,
cornerDirection
);
cornerDirection = Cartesian3_default.normalize(cornerDirection, cornerDirection);
const scalar = width / Math.max(
0.25,
Cartesian3_default.magnitude(
Cartesian3_default.cross(cornerDirection, backward, scratch1)
)
);
const leftIsOutside = PolylineVolumeGeometryLibrary_default.angleIsGreaterThanPi(
forward,
backward,
position,
ellipsoid
);
cornerDirection = Cartesian3_default.multiplyByScalar(
cornerDirection,
scalar,
cornerDirection
);
if (leftIsOutside) {
rightPos = Cartesian3_default.add(position, cornerDirection, rightPos);
center = Cartesian3_default.add(
rightPos,
Cartesian3_default.multiplyByScalar(left, width, center),
center
);
leftPos = Cartesian3_default.add(
rightPos,
Cartesian3_default.multiplyByScalar(left, width * 2, leftPos),
leftPos
);
scaleArray2[0] = Cartesian3_default.clone(previousPos, scaleArray2[0]);
scaleArray2[1] = Cartesian3_default.clone(center, scaleArray2[1]);
subdividedPositions = PolylinePipeline_default.generateArc({
positions: scaleArray2,
granularity,
ellipsoid
});
calculatedPositions = addShiftedPositions(
subdividedPositions,
left,
width,
calculatedPositions
);
if (saveAttributes) {
calculatedLefts.push(left.x, left.y, left.z);
calculatedNormals.push(normal.x, normal.y, normal.z);
}
startPoint = Cartesian3_default.clone(leftPos, startPoint);
left = Cartesian3_default.normalize(
Cartesian3_default.cross(normal, forward, left),
left
);
leftPos = Cartesian3_default.add(
rightPos,
Cartesian3_default.multiplyByScalar(left, width * 2, leftPos),
leftPos
);
previousPos = Cartesian3_default.add(
rightPos,
Cartesian3_default.multiplyByScalar(left, width, previousPos),
previousPos
);
if (cornerType === CornerType_default.ROUNDED || cornerType === CornerType_default.BEVELED) {
corners.push({
leftPositions: computeRoundCorner(
rightPos,
startPoint,
leftPos,
cornerType,
leftIsOutside
)
});
} else {
corners.push({
leftPositions: computeMiteredCorner(
position,
Cartesian3_default.negate(cornerDirection, cornerDirection),
leftPos,
leftIsOutside
)
});
}
} else {
leftPos = Cartesian3_default.add(position, cornerDirection, leftPos);
center = Cartesian3_default.add(
leftPos,
Cartesian3_default.negate(
Cartesian3_default.multiplyByScalar(left, width, center),
center
),
center
);
rightPos = Cartesian3_default.add(
leftPos,
Cartesian3_default.negate(
Cartesian3_default.multiplyByScalar(left, width * 2, rightPos),
rightPos
),
rightPos
);
scaleArray2[0] = Cartesian3_default.clone(previousPos, scaleArray2[0]);
scaleArray2[1] = Cartesian3_default.clone(center, scaleArray2[1]);
subdividedPositions = PolylinePipeline_default.generateArc({
positions: scaleArray2,
granularity,
ellipsoid
});
calculatedPositions = addShiftedPositions(
subdividedPositions,
left,
width,
calculatedPositions
);
if (saveAttributes) {
calculatedLefts.push(left.x, left.y, left.z);
calculatedNormals.push(normal.x, normal.y, normal.z);
}
startPoint = Cartesian3_default.clone(rightPos, startPoint);
left = Cartesian3_default.normalize(
Cartesian3_default.cross(normal, forward, left),
left
);
rightPos = Cartesian3_default.add(
leftPos,
Cartesian3_default.negate(
Cartesian3_default.multiplyByScalar(left, width * 2, rightPos),
rightPos
),
rightPos
);
previousPos = Cartesian3_default.add(
leftPos,
Cartesian3_default.negate(
Cartesian3_default.multiplyByScalar(left, width, previousPos),
previousPos
),
previousPos
);
if (cornerType === CornerType_default.ROUNDED || cornerType === CornerType_default.BEVELED) {
corners.push({
rightPositions: computeRoundCorner(
leftPos,
startPoint,
rightPos,
cornerType,
leftIsOutside
)
});
} else {
corners.push({
rightPositions: computeMiteredCorner(
position,
cornerDirection,
rightPos,
leftIsOutside
)
});
}
}
backward = Cartesian3_default.negate(forward, backward);
}
position = nextPosition;
}
normal = ellipsoid.geodeticSurfaceNormal(position, normal);
scaleArray2[0] = Cartesian3_default.clone(previousPos, scaleArray2[0]);
scaleArray2[1] = Cartesian3_default.clone(position, scaleArray2[1]);
subdividedPositions = PolylinePipeline_default.generateArc({
positions: scaleArray2,
granularity,
ellipsoid
});
calculatedPositions = addShiftedPositions(
subdividedPositions,
left,
width,
calculatedPositions
);
if (saveAttributes) {
calculatedLefts.push(left.x, left.y, left.z);
calculatedNormals.push(normal.x, normal.y, normal.z);
}
let endPositions;
if (cornerType === CornerType_default.ROUNDED) {
endPositions = addEndCaps(calculatedPositions);
}
return {
positions: calculatedPositions,
corners,
lefts: calculatedLefts,
normals: calculatedNormals,
endPositions
};
};
var CorridorGeometryLibrary_default = CorridorGeometryLibrary;
export {
CorridorGeometryLibrary_default
};
/**
* @license
* Cesium - https://github.com/CesiumGS/cesium
* Version 1.121.2
*
* Copyright 2011-2022 Cesium Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Columbus View (Pat. Pend.)
*
* Portions licensed separately.
* See https://github.com/CesiumGS/cesium/blob/main/LICENSE.md for full licensing details.
*/
import {
Math_default
} from "./chunk-WGDFYAGC.js";
import {
defaultValue_default
} from "./chunk-U5HSOKPQ.js";
import {
Check_default,
DeveloperError_default
} from "./chunk-P6TRGU3S.js";
import {
defined_default
} from "./chunk-YCDZX5LS.js";
// packages/engine/Source/Core/Cartesian3.js
function Cartesian3(x, y, z) {
this.x = defaultValue_default(x, 0);
this.y = defaultValue_default(y, 0);
this.z = defaultValue_default(z, 0);
}
Cartesian3.fromSpherical = function(spherical, result) {
Check_default.typeOf.object("spherical", spherical);
if (!defined_default(result)) {
result = new Cartesian3();
}
const clock = spherical.clock;
const cone = spherical.cone;
const magnitude = defaultValue_default(spherical.magnitude, 1);
const radial = magnitude * Math.sin(cone);
result.x = radial * Math.cos(clock);
result.y = radial * Math.sin(clock);
result.z = magnitude * Math.cos(cone);
return result;
};
Cartesian3.fromElements = function(x, y, z, result) {
if (!defined_default(result)) {
return new Cartesian3(x, y, z);
}
result.x = x;
result.y = y;
result.z = z;
return result;
};
Cartesian3.clone = function(cartesian, result) {
if (!defined_default(cartesian)) {
return void 0;
}
if (!defined_default(result)) {
return new Cartesian3(cartesian.x, cartesian.y, cartesian.z);
}
result.x = cartesian.x;
result.y = cartesian.y;
result.z = cartesian.z;
return result;
};
Cartesian3.fromCartesian4 = Cartesian3.clone;
Cartesian3.packedLength = 3;
Cartesian3.pack = function(value, array, startingIndex) {
Check_default.typeOf.object("value", value);
Check_default.defined("array", array);
startingIndex = defaultValue_default(startingIndex, 0);
array[startingIndex++] = value.x;
array[startingIndex++] = value.y;
array[startingIndex] = value.z;
return array;
};
Cartesian3.unpack = function(array, startingIndex, result) {
Check_default.defined("array", array);
startingIndex = defaultValue_default(startingIndex, 0);
if (!defined_default(result)) {
result = new Cartesian3();
}
result.x = array[startingIndex++];
result.y = array[startingIndex++];
result.z = array[startingIndex];
return result;
};
Cartesian3.packArray = function(array, result) {
Check_default.defined("array", array);
const length = array.length;
const resultLength = length * 3;
if (!defined_default(result)) {
result = new Array(resultLength);
} else if (!Array.isArray(result) && result.length !== resultLength) {
throw new DeveloperError_default(
"If result is a typed array, it must have exactly array.length * 3 elements"
);
} else if (result.length !== resultLength) {
result.length = resultLength;
}
for (let i = 0; i < length; ++i) {
Cartesian3.pack(array[i], result, i * 3);
}
return result;
};
Cartesian3.unpackArray = function(array, result) {
Check_default.defined("array", array);
Check_default.typeOf.number.greaterThanOrEquals("array.length", array.length, 3);
if (array.length % 3 !== 0) {
throw new DeveloperError_default("array length must be a multiple of 3.");
}
const length = array.length;
if (!defined_default(result)) {
result = new Array(length / 3);
} else {
result.length = length / 3;
}
for (let i = 0; i < length; i += 3) {
const index = i / 3;
result[index] = Cartesian3.unpack(array, i, result[index]);
}
return result;
};
Cartesian3.fromArray = Cartesian3.unpack;
Cartesian3.maximumComponent = function(cartesian) {
Check_default.typeOf.object("cartesian", cartesian);
return Math.max(cartesian.x, cartesian.y, cartesian.z);
};
Cartesian3.minimumComponent = function(cartesian) {
Check_default.typeOf.object("cartesian", cartesian);
return Math.min(cartesian.x, cartesian.y, cartesian.z);
};
Cartesian3.minimumByComponent = function(first, second, result) {
Check_default.typeOf.object("first", first);
Check_default.typeOf.object("second", second);
Check_default.typeOf.object("result", result);
result.x = Math.min(first.x, second.x);
result.y = Math.min(first.y, second.y);
result.z = Math.min(first.z, second.z);
return result;
};
Cartesian3.maximumByComponent = function(first, second, result) {
Check_default.typeOf.object("first", first);
Check_default.typeOf.object("second", second);
Check_default.typeOf.object("result", result);
result.x = Math.max(first.x, second.x);
result.y = Math.max(first.y, second.y);
result.z = Math.max(first.z, second.z);
return result;
};
Cartesian3.clamp = function(value, min, max, result) {
Check_default.typeOf.object("value", value);
Check_default.typeOf.object("min", min);
Check_default.typeOf.object("max", max);
Check_default.typeOf.object("result", result);
const x = Math_default.clamp(value.x, min.x, max.x);
const y = Math_default.clamp(value.y, min.y, max.y);
const z = Math_default.clamp(value.z, min.z, max.z);
result.x = x;
result.y = y;
result.z = z;
return result;
};
Cartesian3.magnitudeSquared = function(cartesian) {
Check_default.typeOf.object("cartesian", cartesian);
return cartesian.x * cartesian.x + cartesian.y * cartesian.y + cartesian.z * cartesian.z;
};
Cartesian3.magnitude = function(cartesian) {
return Math.sqrt(Cartesian3.magnitudeSquared(cartesian));
};
var distanceScratch = new Cartesian3();
Cartesian3.distance = function(left, right) {
Check_default.typeOf.object("left", left);
Check_default.typeOf.object("right", right);
Cartesian3.subtract(left, right, distanceScratch);
return Cartesian3.magnitude(distanceScratch);
};
Cartesian3.distanceSquared = function(left, right) {
Check_default.typeOf.object("left", left);
Check_default.typeOf.object("right", right);
Cartesian3.subtract(left, right, distanceScratch);
return Cartesian3.magnitudeSquared(distanceScratch);
};
Cartesian3.normalize = function(cartesian, result) {
Check_default.typeOf.object("cartesian", cartesian);
Check_default.typeOf.object("result", result);
const magnitude = Cartesian3.magnitude(cartesian);
result.x = cartesian.x / magnitude;
result.y = cartesian.y / magnitude;
result.z = cartesian.z / magnitude;
if (isNaN(result.x) || isNaN(result.y) || isNaN(result.z)) {
throw new DeveloperError_default("normalized result is not a number");
}
return result;
};
Cartesian3.dot = function(left, right) {
Check_default.typeOf.object("left", left);
Check_default.typeOf.object("right", right);
return left.x * right.x + left.y * right.y + left.z * right.z;
};
Cartesian3.multiplyComponents = function(left, right, result) {
Check_default.typeOf.object("left", left);
Check_default.typeOf.object("right", right);
Check_default.typeOf.object("result", result);
result.x = left.x * right.x;
result.y = left.y * right.y;
result.z = left.z * right.z;
return result;
};
Cartesian3.divideComponents = function(left, right, result) {
Check_default.typeOf.object("left", left);
Check_default.typeOf.object("right", right);
Check_default.typeOf.object("result", result);
result.x = left.x / right.x;
result.y = left.y / right.y;
result.z = left.z / right.z;
return result;
};
Cartesian3.add = function(left, right, result) {
Check_default.typeOf.object("left", left);
Check_default.typeOf.object("right", right);
Check_default.typeOf.object("result", result);
result.x = left.x + right.x;
result.y = left.y + right.y;
result.z = left.z + right.z;
return result;
};
Cartesian3.subtract = function(left, right, result) {
Check_default.typeOf.object("left", left);
Check_default.typeOf.object("right", right);
Check_default.typeOf.object("result", result);
result.x = left.x - right.x;
result.y = left.y - right.y;
result.z = left.z - right.z;
return result;
};
Cartesian3.multiplyByScalar = function(cartesian, scalar, result) {
Check_default.typeOf.object("cartesian", cartesian);
Check_default.typeOf.number("scalar", scalar);
Check_default.typeOf.object("result", result);
result.x = cartesian.x * scalar;
result.y = cartesian.y * scalar;
result.z = cartesian.z * scalar;
return result;
};
Cartesian3.divideByScalar = function(cartesian, scalar, result) {
Check_default.typeOf.object("cartesian", cartesian);
Check_default.typeOf.number("scalar", scalar);
Check_default.typeOf.object("result", result);
result.x = cartesian.x / scalar;
result.y = cartesian.y / scalar;
result.z = cartesian.z / scalar;
return result;
};
Cartesian3.negate = function(cartesian, result) {
Check_default.typeOf.object("cartesian", cartesian);
Check_default.typeOf.object("result", result);
result.x = -cartesian.x;
result.y = -cartesian.y;
result.z = -cartesian.z;
return result;
};
Cartesian3.abs = function(cartesian, result) {
Check_default.typeOf.object("cartesian", cartesian);
Check_default.typeOf.object("result", result);
result.x = Math.abs(cartesian.x);
result.y = Math.abs(cartesian.y);
result.z = Math.abs(cartesian.z);
return result;
};
var lerpScratch = new Cartesian3();
Cartesian3.lerp = function(start, end, t, result) {
Check_default.typeOf.object("start", start);
Check_default.typeOf.object("end", end);
Check_default.typeOf.number("t", t);
Check_default.typeOf.object("result", result);
Cartesian3.multiplyByScalar(end, t, lerpScratch);
result = Cartesian3.multiplyByScalar(start, 1 - t, result);
return Cartesian3.add(lerpScratch, result, result);
};
var angleBetweenScratch = new Cartesian3();
var angleBetweenScratch2 = new Cartesian3();
Cartesian3.angleBetween = function(left, right) {
Check_default.typeOf.object("left", left);
Check_default.typeOf.object("right", right);
Cartesian3.normalize(left, angleBetweenScratch);
Cartesian3.normalize(right, angleBetweenScratch2);
const cosine = Cartesian3.dot(angleBetweenScratch, angleBetweenScratch2);
const sine = Cartesian3.magnitude(
Cartesian3.cross(
angleBetweenScratch,
angleBetweenScratch2,
angleBetweenScratch
)
);
return Math.atan2(sine, cosine);
};
var mostOrthogonalAxisScratch = new Cartesian3();
Cartesian3.mostOrthogonalAxis = function(cartesian, result) {
Check_default.typeOf.object("cartesian", cartesian);
Check_default.typeOf.object("result", result);
const f = Cartesian3.normalize(cartesian, mostOrthogonalAxisScratch);
Cartesian3.abs(f, f);
if (f.x <= f.y) {
if (f.x <= f.z) {
result = Cartesian3.clone(Cartesian3.UNIT_X, result);
} else {
result = Cartesian3.clone(Cartesian3.UNIT_Z, result);
}
} else if (f.y <= f.z) {
result = Cartesian3.clone(Cartesian3.UNIT_Y, result);
} else {
result = Cartesian3.clone(Cartesian3.UNIT_Z, result);
}
return result;
};
Cartesian3.projectVector = function(a, b, result) {
Check_default.defined("a", a);
Check_default.defined("b", b);
Check_default.defined("result", result);
const scalar = Cartesian3.dot(a, b) / Cartesian3.dot(b, b);
return Cartesian3.multiplyByScalar(b, scalar, result);
};
Cartesian3.equals = function(left, right) {
return left === right || defined_default(left) && defined_default(right) && left.x === right.x && left.y === right.y && left.z === right.z;
};
Cartesian3.equalsArray = function(cartesian, array, offset) {
return cartesian.x === array[offset] && cartesian.y === array[offset + 1] && cartesian.z === array[offset + 2];
};
Cartesian3.equalsEpsilon = function(left, right, relativeEpsilon, absoluteEpsilon) {
return left === right || defined_default(left) && defined_default(right) && Math_default.equalsEpsilon(
left.x,
right.x,
relativeEpsilon,
absoluteEpsilon
) && Math_default.equalsEpsilon(
left.y,
right.y,
relativeEpsilon,
absoluteEpsilon
) && Math_default.equalsEpsilon(
left.z,
right.z,
relativeEpsilon,
absoluteEpsilon
);
};
Cartesian3.cross = function(left, right, result) {
Check_default.typeOf.object("left", left);
Check_default.typeOf.object("right", right);
Check_default.typeOf.object("result", result);
const leftX = left.x;
const leftY = left.y;
const leftZ = left.z;
const rightX = right.x;
const rightY = right.y;
const rightZ = right.z;
const x = leftY * rightZ - leftZ * rightY;
const y = leftZ * rightX - leftX * rightZ;
const z = leftX * rightY - leftY * rightX;
result.x = x;
result.y = y;
result.z = z;
return result;
};
Cartesian3.midpoint = function(left, right, result) {
Check_default.typeOf.object("left", left);
Check_default.typeOf.object("right", right);
Check_default.typeOf.object("result", result);
result.x = (left.x + right.x) * 0.5;
result.y = (left.y + right.y) * 0.5;
result.z = (left.z + right.z) * 0.5;
return result;
};
Cartesian3.fromDegrees = function(longitude, latitude, height, ellipsoid, result) {
Check_default.typeOf.number("longitude", longitude);
Check_default.typeOf.number("latitude", latitude);
longitude = Math_default.toRadians(longitude);
latitude = Math_default.toRadians(latitude);
return Cartesian3.fromRadians(longitude, latitude, height, ellipsoid, result);
};
var scratchN = new Cartesian3();
var scratchK = new Cartesian3();
Cartesian3._ellipsoidRadiiSquared = new Cartesian3(
6378137 * 6378137,
6378137 * 6378137,
6356752314245179e-9 * 6356752314245179e-9
);
Cartesian3.fromRadians = function(longitude, latitude, height, ellipsoid, result) {
Check_default.typeOf.number("longitude", longitude);
Check_default.typeOf.number("latitude", latitude);
height = defaultValue_default(height, 0);
const radiiSquared = !defined_default(ellipsoid) ? Cartesian3._ellipsoidRadiiSquared : ellipsoid.radiiSquared;
const cosLatitude = Math.cos(latitude);
scratchN.x = cosLatitude * Math.cos(longitude);
scratchN.y = cosLatitude * Math.sin(longitude);
scratchN.z = Math.sin(latitude);
scratchN = Cartesian3.normalize(scratchN, scratchN);
Cartesian3.multiplyComponents(radiiSquared, scratchN, scratchK);
const gamma = Math.sqrt(Cartesian3.dot(scratchN, scratchK));
scratchK = Cartesian3.divideByScalar(scratchK, gamma, scratchK);
scratchN = Cartesian3.multiplyByScalar(scratchN, height, scratchN);
if (!defined_default(result)) {
result = new Cartesian3();
}
return Cartesian3.add(scratchK, scratchN, result);
};
Cartesian3.fromDegreesArray = function(coordinates, ellipsoid, result) {
Check_default.defined("coordinates", coordinates);
if (coordinates.length < 2 || coordinates.length % 2 !== 0) {
throw new DeveloperError_default(
"the number of coordinates must be a multiple of 2 and at least 2"
);
}
const length = coordinates.length;
if (!defined_default(result)) {
result = new Array(length / 2);
} else {
result.length = length / 2;
}
for (let i = 0; i < length; i += 2) {
const longitude = coordinates[i];
const latitude = coordinates[i + 1];
const index = i / 2;
result[index] = Cartesian3.fromDegrees(
longitude,
latitude,
0,
ellipsoid,
result[index]
);
}
return result;
};
Cartesian3.fromRadiansArray = function(coordinates, ellipsoid, result) {
Check_default.defined("coordinates", coordinates);
if (coordinates.length < 2 || coordinates.length % 2 !== 0) {
throw new DeveloperError_default(
"the number of coordinates must be a multiple of 2 and at least 2"
);
}
const length = coordinates.length;
if (!defined_default(result)) {
result = new Array(length / 2);
} else {
result.length = length / 2;
}
for (let i = 0; i < length; i += 2) {
const longitude = coordinates[i];
const latitude = coordinates[i + 1];
const index = i / 2;
result[index] = Cartesian3.fromRadians(
longitude,
latitude,
0,
ellipsoid,
result[index]
);
}
return result;
};
Cartesian3.fromDegreesArrayHeights = function(coordinates, ellipsoid, result) {
Check_default.defined("coordinates", coordinates);
if (coordinates.length < 3 || coordinates.length % 3 !== 0) {
throw new DeveloperError_default(
"the number of coordinates must be a multiple of 3 and at least 3"
);
}
const length = coordinates.length;
if (!defined_default(result)) {
result = new Array(length / 3);
} else {
result.length = length / 3;
}
for (let i = 0; i < length; i += 3) {
const longitude = coordinates[i];
const latitude = coordinates[i + 1];
const height = coordinates[i + 2];
const index = i / 3;
result[index] = Cartesian3.fromDegrees(
longitude,
latitude,
height,
ellipsoid,
result[index]
);
}
return result;
};
Cartesian3.fromRadiansArrayHeights = function(coordinates, ellipsoid, result) {
Check_default.defined("coordinates", coordinates);
if (coordinates.length < 3 || coordinates.length % 3 !== 0) {
throw new DeveloperError_default(
"the number of coordinates must be a multiple of 3 and at least 3"
);
}
const length = coordinates.length;
if (!defined_default(result)) {
result = new Array(length / 3);
} else {
result.length = length / 3;
}
for (let i = 0; i < length; i += 3) {
const longitude = coordinates[i];
const latitude = coordinates[i + 1];
const height = coordinates[i + 2];
const index = i / 3;
result[index] = Cartesian3.fromRadians(
longitude,
latitude,
height,
ellipsoid,
result[index]
);
}
return result;
};
Cartesian3.ZERO = Object.freeze(new Cartesian3(0, 0, 0));
Cartesian3.ONE = Object.freeze(new Cartesian3(1, 1, 1));
Cartesian3.UNIT_X = Object.freeze(new Cartesian3(1, 0, 0));
Cartesian3.UNIT_Y = Object.freeze(new Cartesian3(0, 1, 0));
Cartesian3.UNIT_Z = Object.freeze(new Cartesian3(0, 0, 1));
Cartesian3.prototype.clone = function(result) {
return Cartesian3.clone(this, result);
};
Cartesian3.prototype.equals = function(right) {
return Cartesian3.equals(this, right);
};
Cartesian3.prototype.equalsEpsilon = function(right, relativeEpsilon, absoluteEpsilon) {
return Cartesian3.equalsEpsilon(
this,
right,
relativeEpsilon,
absoluteEpsilon
);
};
Cartesian3.prototype.toString = function() {
return `(${this.x}, ${this.y}, ${this.z})`;
};
var Cartesian3_default = Cartesian3;
// packages/engine/Source/Core/scaleToGeodeticSurface.js
var scaleToGeodeticSurfaceIntersection = new Cartesian3_default();
var scaleToGeodeticSurfaceGradient = new Cartesian3_default();
function scaleToGeodeticSurface(cartesian, oneOverRadii, oneOverRadiiSquared, centerToleranceSquared, result) {
if (!defined_default(cartesian)) {
throw new DeveloperError_default("cartesian is required.");
}
if (!defined_default(oneOverRadii)) {
throw new DeveloperError_default("oneOverRadii is required.");
}
if (!defined_default(oneOverRadiiSquared)) {
throw new DeveloperError_default("oneOverRadiiSquared is required.");
}
if (!defined_default(centerToleranceSquared)) {
throw new DeveloperError_default("centerToleranceSquared is required.");
}
const positionX = cartesian.x;
const positionY = cartesian.y;
const positionZ = cartesian.z;
const oneOverRadiiX = oneOverRadii.x;
const oneOverRadiiY = oneOverRadii.y;
const oneOverRadiiZ = oneOverRadii.z;
const x2 = positionX * positionX * oneOverRadiiX * oneOverRadiiX;
const y2 = positionY * positionY * oneOverRadiiY * oneOverRadiiY;
const z2 = positionZ * positionZ * oneOverRadiiZ * oneOverRadiiZ;
const squaredNorm = x2 + y2 + z2;
const ratio = Math.sqrt(1 / squaredNorm);
const intersection = Cartesian3_default.multiplyByScalar(
cartesian,
ratio,
scaleToGeodeticSurfaceIntersection
);
if (squaredNorm < centerToleranceSquared) {
return !isFinite(ratio) ? void 0 : Cartesian3_default.clone(intersection, result);
}
const oneOverRadiiSquaredX = oneOverRadiiSquared.x;
const oneOverRadiiSquaredY = oneOverRadiiSquared.y;
const oneOverRadiiSquaredZ = oneOverRadiiSquared.z;
const gradient = scaleToGeodeticSurfaceGradient;
gradient.x = intersection.x * oneOverRadiiSquaredX * 2;
gradient.y = intersection.y * oneOverRadiiSquaredY * 2;
gradient.z = intersection.z * oneOverRadiiSquaredZ * 2;
let lambda = (1 - ratio) * Cartesian3_default.magnitude(cartesian) / (0.5 * Cartesian3_default.magnitude(gradient));
let correction = 0;
let func;
let denominator;
let xMultiplier;
let yMultiplier;
let zMultiplier;
let xMultiplier2;
let yMultiplier2;
let zMultiplier2;
let xMultiplier3;
let yMultiplier3;
let zMultiplier3;
do {
lambda -= correction;
xMultiplier = 1 / (1 + lambda * oneOverRadiiSquaredX);
yMultiplier = 1 / (1 + lambda * oneOverRadiiSquaredY);
zMultiplier = 1 / (1 + lambda * oneOverRadiiSquaredZ);
xMultiplier2 = xMultiplier * xMultiplier;
yMultiplier2 = yMultiplier * yMultiplier;
zMultiplier2 = zMultiplier * zMultiplier;
xMultiplier3 = xMultiplier2 * xMultiplier;
yMultiplier3 = yMultiplier2 * yMultiplier;
zMultiplier3 = zMultiplier2 * zMultiplier;
func = x2 * xMultiplier2 + y2 * yMultiplier2 + z2 * zMultiplier2 - 1;
denominator = x2 * xMultiplier3 * oneOverRadiiSquaredX + y2 * yMultiplier3 * oneOverRadiiSquaredY + z2 * zMultiplier3 * oneOverRadiiSquaredZ;
const derivative = -2 * denominator;
correction = func / derivative;
} while (Math.abs(func) > Math_default.EPSILON12);
if (!defined_default(result)) {
return new Cartesian3_default(
positionX * xMultiplier,
positionY * yMultiplier,
positionZ * zMultiplier
);
}
result.x = positionX * xMultiplier;
result.y = positionY * yMultiplier;
result.z = positionZ * zMultiplier;
return result;
}
var scaleToGeodeticSurface_default = scaleToGeodeticSurface;
// packages/engine/Source/Core/Cartographic.js
function Cartographic(longitude, latitude, height) {
this.longitude = defaultValue_default(longitude, 0);
this.latitude = defaultValue_default(latitude, 0);
this.height = defaultValue_default(height, 0);
}
Cartographic.fromRadians = function(longitude, latitude, height, result) {
Check_default.typeOf.number("longitude", longitude);
Check_default.typeOf.number("latitude", latitude);
height = defaultValue_default(height, 0);
if (!defined_default(result)) {
return new Cartographic(longitude, latitude, height);
}
result.longitude = longitude;
result.latitude = latitude;
result.height = height;
return result;
};
Cartographic.fromDegrees = function(longitude, latitude, height, result) {
Check_default.typeOf.number("longitude", longitude);
Check_default.typeOf.number("latitude", latitude);
longitude = Math_default.toRadians(longitude);
latitude = Math_default.toRadians(latitude);
return Cartographic.fromRadians(longitude, latitude, height, result);
};
var cartesianToCartographicN = new Cartesian3_default();
var cartesianToCartographicP = new Cartesian3_default();
var cartesianToCartographicH = new Cartesian3_default();
Cartographic._ellipsoidOneOverRadii = new Cartesian3_default(
1 / 6378137,
1 / 6378137,
1 / 6356752314245179e-9
);
Cartographic._ellipsoidOneOverRadiiSquared = new Cartesian3_default(
1 / (6378137 * 6378137),
1 / (6378137 * 6378137),
1 / (6356752314245179e-9 * 6356752314245179e-9)
);
Cartographic._ellipsoidCenterToleranceSquared = Math_default.EPSILON1;
Cartographic.fromCartesian = function(cartesian, ellipsoid, result) {
const oneOverRadii = defined_default(ellipsoid) ? ellipsoid.oneOverRadii : Cartographic._ellipsoidOneOverRadii;
const oneOverRadiiSquared = defined_default(ellipsoid) ? ellipsoid.oneOverRadiiSquared : Cartographic._ellipsoidOneOverRadiiSquared;
const centerToleranceSquared = defined_default(ellipsoid) ? ellipsoid._centerToleranceSquared : Cartographic._ellipsoidCenterToleranceSquared;
const p = scaleToGeodeticSurface_default(
cartesian,
oneOverRadii,
oneOverRadiiSquared,
centerToleranceSquared,
cartesianToCartographicP
);
if (!defined_default(p)) {
return void 0;
}
let n = Cartesian3_default.multiplyComponents(
p,
oneOverRadiiSquared,
cartesianToCartographicN
);
n = Cartesian3_default.normalize(n, n);
const h = Cartesian3_default.subtract(cartesian, p, cartesianToCartographicH);
const longitude = Math.atan2(n.y, n.x);
const latitude = Math.asin(n.z);
const height = Math_default.sign(Cartesian3_default.dot(h, cartesian)) * Cartesian3_default.magnitude(h);
if (!defined_default(result)) {
return new Cartographic(longitude, latitude, height);
}
result.longitude = longitude;
result.latitude = latitude;
result.height = height;
return result;
};
Cartographic.toCartesian = function(cartographic, ellipsoid, result) {
Check_default.defined("cartographic", cartographic);
return Cartesian3_default.fromRadians(
cartographic.longitude,
cartographic.latitude,
cartographic.height,
ellipsoid,
result
);
};
Cartographic.clone = function(cartographic, result) {
if (!defined_default(cartographic)) {
return void 0;
}
if (!defined_default(result)) {
return new Cartographic(
cartographic.longitude,
cartographic.latitude,
cartographic.height
);
}
result.longitude = cartographic.longitude;
result.latitude = cartographic.latitude;
result.height = cartographic.height;
return result;
};
Cartographic.equals = function(left, right) {
return left === right || defined_default(left) && defined_default(right) && left.longitude === right.longitude && left.latitude === right.latitude && left.height === right.height;
};
Cartographic.equalsEpsilon = function(left, right, epsilon) {
epsilon = defaultValue_default(epsilon, 0);
return left === right || defined_default(left) && defined_default(right) && Math.abs(left.longitude - right.longitude) <= epsilon && Math.abs(left.latitude - right.latitude) <= epsilon && Math.abs(left.height - right.height) <= epsilon;
};
Cartographic.ZERO = Object.freeze(new Cartographic(0, 0, 0));
Cartographic.prototype.clone = function(result) {
return Cartographic.clone(this, result);
};
Cartographic.prototype.equals = function(right) {
return Cartographic.equals(this, right);
};
Cartographic.prototype.equalsEpsilon = function(right, epsilon) {
return Cartographic.equalsEpsilon(this, right, epsilon);
};
Cartographic.prototype.toString = function() {
return `(${this.longitude}, ${this.latitude}, ${this.height})`;
};
var Cartographic_default = Cartographic;
// packages/engine/Source/Core/Cartesian2.js
function Cartesian2(x, y) {
this.x = defaultValue_default(x, 0);
this.y = defaultValue_default(y, 0);
}
Cartesian2.fromElements = function(x, y, result) {
if (!defined_default(result)) {
return new Cartesian2(x, y);
}
result.x = x;
result.y = y;
return result;
};
Cartesian2.clone = function(cartesian, result) {
if (!defined_default(cartesian)) {
return void 0;
}
if (!defined_default(result)) {
return new Cartesian2(cartesian.x, cartesian.y);
}
result.x = cartesian.x;
result.y = cartesian.y;
return result;
};
Cartesian2.fromCartesian3 = Cartesian2.clone;
Cartesian2.fromCartesian4 = Cartesian2.clone;
Cartesian2.packedLength = 2;
Cartesian2.pack = function(value, array, startingIndex) {
Check_default.typeOf.object("value", value);
Check_default.defined("array", array);
startingIndex = defaultValue_default(startingIndex, 0);
array[startingIndex++] = value.x;
array[startingIndex] = value.y;
return array;
};
Cartesian2.unpack = function(array, startingIndex, result) {
Check_default.defined("array", array);
startingIndex = defaultValue_default(startingIndex, 0);
if (!defined_default(result)) {
result = new Cartesian2();
}
result.x = array[startingIndex++];
result.y = array[startingIndex];
return result;
};
Cartesian2.packArray = function(array, result) {
Check_default.defined("array", array);
const length = array.length;
const resultLength = length * 2;
if (!defined_default(result)) {
result = new Array(resultLength);
} else if (!Array.isArray(result) && result.length !== resultLength) {
throw new DeveloperError_default(
"If result is a typed array, it must have exactly array.length * 2 elements"
);
} else if (result.length !== resultLength) {
result.length = resultLength;
}
for (let i = 0; i < length; ++i) {
Cartesian2.pack(array[i], result, i * 2);
}
return result;
};
Cartesian2.unpackArray = function(array, result) {
Check_default.defined("array", array);
Check_default.typeOf.number.greaterThanOrEquals("array.length", array.length, 2);
if (array.length % 2 !== 0) {
throw new DeveloperError_default("array length must be a multiple of 2.");
}
const length = array.length;
if (!defined_default(result)) {
result = new Array(length / 2);
} else {
result.length = length / 2;
}
for (let i = 0; i < length; i += 2) {
const index = i / 2;
result[index] = Cartesian2.unpack(array, i, result[index]);
}
return result;
};
Cartesian2.fromArray = Cartesian2.unpack;
Cartesian2.maximumComponent = function(cartesian) {
Check_default.typeOf.object("cartesian", cartesian);
return Math.max(cartesian.x, cartesian.y);
};
Cartesian2.minimumComponent = function(cartesian) {
Check_default.typeOf.object("cartesian", cartesian);
return Math.min(cartesian.x, cartesian.y);
};
Cartesian2.minimumByComponent = function(first, second, result) {
Check_default.typeOf.object("first", first);
Check_default.typeOf.object("second", second);
Check_default.typeOf.object("result", result);
result.x = Math.min(first.x, second.x);
result.y = Math.min(first.y, second.y);
return result;
};
Cartesian2.maximumByComponent = function(first, second, result) {
Check_default.typeOf.object("first", first);
Check_default.typeOf.object("second", second);
Check_default.typeOf.object("result", result);
result.x = Math.max(first.x, second.x);
result.y = Math.max(first.y, second.y);
return result;
};
Cartesian2.clamp = function(value, min, max, result) {
Check_default.typeOf.object("value", value);
Check_default.typeOf.object("min", min);
Check_default.typeOf.object("max", max);
Check_default.typeOf.object("result", result);
const x = Math_default.clamp(value.x, min.x, max.x);
const y = Math_default.clamp(value.y, min.y, max.y);
result.x = x;
result.y = y;
return result;
};
Cartesian2.magnitudeSquared = function(cartesian) {
Check_default.typeOf.object("cartesian", cartesian);
return cartesian.x * cartesian.x + cartesian.y * cartesian.y;
};
Cartesian2.magnitude = function(cartesian) {
return Math.sqrt(Cartesian2.magnitudeSquared(cartesian));
};
var distanceScratch2 = new Cartesian2();
Cartesian2.distance = function(left, right) {
Check_default.typeOf.object("left", left);
Check_default.typeOf.object("right", right);
Cartesian2.subtract(left, right, distanceScratch2);
return Cartesian2.magnitude(distanceScratch2);
};
Cartesian2.distanceSquared = function(left, right) {
Check_default.typeOf.object("left", left);
Check_default.typeOf.object("right", right);
Cartesian2.subtract(left, right, distanceScratch2);
return Cartesian2.magnitudeSquared(distanceScratch2);
};
Cartesian2.normalize = function(cartesian, result) {
Check_default.typeOf.object("cartesian", cartesian);
Check_default.typeOf.object("result", result);
const magnitude = Cartesian2.magnitude(cartesian);
result.x = cartesian.x / magnitude;
result.y = cartesian.y / magnitude;
if (isNaN(result.x) || isNaN(result.y)) {
throw new DeveloperError_default("normalized result is not a number");
}
return result;
};
Cartesian2.dot = function(left, right) {
Check_default.typeOf.object("left", left);
Check_default.typeOf.object("right", right);
return left.x * right.x + left.y * right.y;
};
Cartesian2.cross = function(left, right) {
Check_default.typeOf.object("left", left);
Check_default.typeOf.object("right", right);
return left.x * right.y - left.y * right.x;
};
Cartesian2.multiplyComponents = function(left, right, result) {
Check_default.typeOf.object("left", left);
Check_default.typeOf.object("right", right);
Check_default.typeOf.object("result", result);
result.x = left.x * right.x;
result.y = left.y * right.y;
return result;
};
Cartesian2.divideComponents = function(left, right, result) {
Check_default.typeOf.object("left", left);
Check_default.typeOf.object("right", right);
Check_default.typeOf.object("result", result);
result.x = left.x / right.x;
result.y = left.y / right.y;
return result;
};
Cartesian2.add = function(left, right, result) {
Check_default.typeOf.object("left", left);
Check_default.typeOf.object("right", right);
Check_default.typeOf.object("result", result);
result.x = left.x + right.x;
result.y = left.y + right.y;
return result;
};
Cartesian2.subtract = function(left, right, result) {
Check_default.typeOf.object("left", left);
Check_default.typeOf.object("right", right);
Check_default.typeOf.object("result", result);
result.x = left.x - right.x;
result.y = left.y - right.y;
return result;
};
Cartesian2.multiplyByScalar = function(cartesian, scalar, result) {
Check_default.typeOf.object("cartesian", cartesian);
Check_default.typeOf.number("scalar", scalar);
Check_default.typeOf.object("result", result);
result.x = cartesian.x * scalar;
result.y = cartesian.y * scalar;
return result;
};
Cartesian2.divideByScalar = function(cartesian, scalar, result) {
Check_default.typeOf.object("cartesian", cartesian);
Check_default.typeOf.number("scalar", scalar);
Check_default.typeOf.object("result", result);
result.x = cartesian.x / scalar;
result.y = cartesian.y / scalar;
return result;
};
Cartesian2.negate = function(cartesian, result) {
Check_default.typeOf.object("cartesian", cartesian);
Check_default.typeOf.object("result", result);
result.x = -cartesian.x;
result.y = -cartesian.y;
return result;
};
Cartesian2.abs = function(cartesian, result) {
Check_default.typeOf.object("cartesian", cartesian);
Check_default.typeOf.object("result", result);
result.x = Math.abs(cartesian.x);
result.y = Math.abs(cartesian.y);
return result;
};
var lerpScratch2 = new Cartesian2();
Cartesian2.lerp = function(start, end, t, result) {
Check_default.typeOf.object("start", start);
Check_default.typeOf.object("end", end);
Check_default.typeOf.number("t", t);
Check_default.typeOf.object("result", result);
Cartesian2.multiplyByScalar(end, t, lerpScratch2);
result = Cartesian2.multiplyByScalar(start, 1 - t, result);
return Cartesian2.add(lerpScratch2, result, result);
};
var angleBetweenScratch3 = new Cartesian2();
var angleBetweenScratch22 = new Cartesian2();
Cartesian2.angleBetween = function(left, right) {
Check_default.typeOf.object("left", left);
Check_default.typeOf.object("right", right);
Cartesian2.normalize(left, angleBetweenScratch3);
Cartesian2.normalize(right, angleBetweenScratch22);
return Math_default.acosClamped(
Cartesian2.dot(angleBetweenScratch3, angleBetweenScratch22)
);
};
var mostOrthogonalAxisScratch2 = new Cartesian2();
Cartesian2.mostOrthogonalAxis = function(cartesian, result) {
Check_default.typeOf.object("cartesian", cartesian);
Check_default.typeOf.object("result", result);
const f = Cartesian2.normalize(cartesian, mostOrthogonalAxisScratch2);
Cartesian2.abs(f, f);
if (f.x <= f.y) {
result = Cartesian2.clone(Cartesian2.UNIT_X, result);
} else {
result = Cartesian2.clone(Cartesian2.UNIT_Y, result);
}
return result;
};
Cartesian2.equals = function(left, right) {
return left === right || defined_default(left) && defined_default(right) && left.x === right.x && left.y === right.y;
};
Cartesian2.equalsArray = function(cartesian, array, offset) {
return cartesian.x === array[offset] && cartesian.y === array[offset + 1];
};
Cartesian2.equalsEpsilon = function(left, right, relativeEpsilon, absoluteEpsilon) {
return left === right || defined_default(left) && defined_default(right) && Math_default.equalsEpsilon(
left.x,
right.x,
relativeEpsilon,
absoluteEpsilon
) && Math_default.equalsEpsilon(
left.y,
right.y,
relativeEpsilon,
absoluteEpsilon
);
};
Cartesian2.ZERO = Object.freeze(new Cartesian2(0, 0));
Cartesian2.ONE = Object.freeze(new Cartesian2(1, 1));
Cartesian2.UNIT_X = Object.freeze(new Cartesian2(1, 0));
Cartesian2.UNIT_Y = Object.freeze(new Cartesian2(0, 1));
Cartesian2.prototype.clone = function(result) {
return Cartesian2.clone(this, result);
};
Cartesian2.prototype.equals = function(right) {
return Cartesian2.equals(this, right);
};
Cartesian2.prototype.equalsEpsilon = function(right, relativeEpsilon, absoluteEpsilon) {
return Cartesian2.equalsEpsilon(
this,
right,
relativeEpsilon,
absoluteEpsilon
);
};
Cartesian2.prototype.toString = function() {
return `(${this.x}, ${this.y})`;
};
var Cartesian2_default = Cartesian2;
// packages/engine/Source/Core/Ellipsoid.js
function initialize(ellipsoid, x, y, z) {
x = defaultValue_default(x, 0);
y = defaultValue_default(y, 0);
z = defaultValue_default(z, 0);
Check_default.typeOf.number.greaterThanOrEquals("x", x, 0);
Check_default.typeOf.number.greaterThanOrEquals("y", y, 0);
Check_default.typeOf.number.greaterThanOrEquals("z", z, 0);
ellipsoid._radii = new Cartesian3_default(x, y, z);
ellipsoid._radiiSquared = new Cartesian3_default(x * x, y * y, z * z);
ellipsoid._radiiToTheFourth = new Cartesian3_default(
x * x * x * x,
y * y * y * y,
z * z * z * z
);
ellipsoid._oneOverRadii = new Cartesian3_default(
x === 0 ? 0 : 1 / x,
y === 0 ? 0 : 1 / y,
z === 0 ? 0 : 1 / z
);
ellipsoid._oneOverRadiiSquared = new Cartesian3_default(
x === 0 ? 0 : 1 / (x * x),
y === 0 ? 0 : 1 / (y * y),
z === 0 ? 0 : 1 / (z * z)
);
ellipsoid._minimumRadius = Math.min(x, y, z);
ellipsoid._maximumRadius = Math.max(x, y, z);
ellipsoid._centerToleranceSquared = Math_default.EPSILON1;
if (ellipsoid._radiiSquared.z !== 0) {
ellipsoid._squaredXOverSquaredZ = ellipsoid._radiiSquared.x / ellipsoid._radiiSquared.z;
}
}
function Ellipsoid(x, y, z) {
this._radii = void 0;
this._radiiSquared = void 0;
this._radiiToTheFourth = void 0;
this._oneOverRadii = void 0;
this._oneOverRadiiSquared = void 0;
this._minimumRadius = void 0;
this._maximumRadius = void 0;
this._centerToleranceSquared = void 0;
this._squaredXOverSquaredZ = void 0;
initialize(this, x, y, z);
}
Object.defineProperties(Ellipsoid.prototype, {
/**
* Gets the radii of the ellipsoid.
* @memberof Ellipsoid.prototype
* @type {Cartesian3}
* @readonly
*/
radii: {
get: function() {
return this._radii;
}
},
/**
* Gets the squared radii of the ellipsoid.
* @memberof Ellipsoid.prototype
* @type {Cartesian3}
* @readonly
*/
radiiSquared: {
get: function() {
return this._radiiSquared;
}
},
/**
* Gets the radii of the ellipsoid raise to the fourth power.
* @memberof Ellipsoid.prototype
* @type {Cartesian3}
* @readonly
*/
radiiToTheFourth: {
get: function() {
return this._radiiToTheFourth;
}
},
/**
* Gets one over the radii of the ellipsoid.
* @memberof Ellipsoid.prototype
* @type {Cartesian3}
* @readonly
*/
oneOverRadii: {
get: function() {
return this._oneOverRadii;
}
},
/**
* Gets one over the squared radii of the ellipsoid.
* @memberof Ellipsoid.prototype
* @type {Cartesian3}
* @readonly
*/
oneOverRadiiSquared: {
get: function() {
return this._oneOverRadiiSquared;
}
},
/**
* Gets the minimum radius of the ellipsoid.
* @memberof Ellipsoid.prototype
* @type {number}
* @readonly
*/
minimumRadius: {
get: function() {
return this._minimumRadius;
}
},
/**
* Gets the maximum radius of the ellipsoid.
* @memberof Ellipsoid.prototype
* @type {number}
* @readonly
*/
maximumRadius: {
get: function() {
return this._maximumRadius;
}
}
});
Ellipsoid.clone = function(ellipsoid, result) {
if (!defined_default(ellipsoid)) {
return void 0;
}
const radii = ellipsoid._radii;
if (!defined_default(result)) {
return new Ellipsoid(radii.x, radii.y, radii.z);
}
Cartesian3_default.clone(radii, result._radii);
Cartesian3_default.clone(ellipsoid._radiiSquared, result._radiiSquared);
Cartesian3_default.clone(ellipsoid._radiiToTheFourth, result._radiiToTheFourth);
Cartesian3_default.clone(ellipsoid._oneOverRadii, result._oneOverRadii);
Cartesian3_default.clone(ellipsoid._oneOverRadiiSquared, result._oneOverRadiiSquared);
result._minimumRadius = ellipsoid._minimumRadius;
result._maximumRadius = ellipsoid._maximumRadius;
result._centerToleranceSquared = ellipsoid._centerToleranceSquared;
return result;
};
Ellipsoid.fromCartesian3 = function(cartesian, result) {
if (!defined_default(result)) {
result = new Ellipsoid();
}
if (!defined_default(cartesian)) {
return result;
}
initialize(result, cartesian.x, cartesian.y, cartesian.z);
return result;
};
Ellipsoid.WGS84 = Object.freeze(
new Ellipsoid(6378137, 6378137, 6356752314245179e-9)
);
Ellipsoid.UNIT_SPHERE = Object.freeze(new Ellipsoid(1, 1, 1));
Ellipsoid.MOON = Object.freeze(
new Ellipsoid(
Math_default.LUNAR_RADIUS,
Math_default.LUNAR_RADIUS,
Math_default.LUNAR_RADIUS
)
);
Ellipsoid._default = Ellipsoid.WGS84;
Object.defineProperties(Ellipsoid, {
/**
* The default ellipsoid used when not otherwise specified.
* @memberof Ellipsoid
* @type {Ellipsoid}
* @example
* Cesium.Ellipsoid.default = Cesium.Ellipsoid.MOON;
*
* // Apollo 11 landing site
* const position = Cesium.Cartesian3.fromRadians(
* 0.67416,
* 23.47315,
* );
*/
default: {
get: function() {
return Ellipsoid._default;
},
set: function(value) {
Check_default.typeOf.object("value", value);
Ellipsoid._default = value;
Cartesian3_default._ellipsoidRadiiSquared = value.radiiSquared;
Cartographic_default._ellipsoidOneOverRadii = value.oneOverRadii;
Cartographic_default._ellipsoidOneOverRadiiSquared = value.oneOverRadiiSquared;
Cartographic_default._ellipsoidCenterToleranceSquared = value._centerToleranceSquared;
}
}
});
Ellipsoid.prototype.clone = function(result) {
return Ellipsoid.clone(this, result);
};
Ellipsoid.packedLength = Cartesian3_default.packedLength;
Ellipsoid.pack = function(value, array, startingIndex) {
Check_default.typeOf.object("value", value);
Check_default.defined("array", array);
startingIndex = defaultValue_default(startingIndex, 0);
Cartesian3_default.pack(value._radii, array, startingIndex);
return array;
};
Ellipsoid.unpack = function(array, startingIndex, result) {
Check_default.defined("array", array);
startingIndex = defaultValue_default(startingIndex, 0);
const radii = Cartesian3_default.unpack(array, startingIndex);
return Ellipsoid.fromCartesian3(radii, result);
};
Ellipsoid.prototype.geocentricSurfaceNormal = Cartesian3_default.normalize;
Ellipsoid.prototype.geodeticSurfaceNormalCartographic = function(cartographic, result) {
Check_default.typeOf.object("cartographic", cartographic);
const longitude = cartographic.longitude;
const latitude = cartographic.latitude;
const cosLatitude = Math.cos(latitude);
const x = cosLatitude * Math.cos(longitude);
const y = cosLatitude * Math.sin(longitude);
const z = Math.sin(latitude);
if (!defined_default(result)) {
result = new Cartesian3_default();
}
result.x = x;
result.y = y;
result.z = z;
return Cartesian3_default.normalize(result, result);
};
Ellipsoid.prototype.geodeticSurfaceNormal = function(cartesian, result) {
Check_default.typeOf.object("cartesian", cartesian);
if (isNaN(cartesian.x) || isNaN(cartesian.y) || isNaN(cartesian.z)) {
throw new DeveloperError_default("cartesian has a NaN component");
}
if (Cartesian3_default.equalsEpsilon(cartesian, Cartesian3_default.ZERO, Math_default.EPSILON14)) {
return void 0;
}
if (!defined_default(result)) {
result = new Cartesian3_default();
}
result = Cartesian3_default.multiplyComponents(
cartesian,
this._oneOverRadiiSquared,
result
);
return Cartesian3_default.normalize(result, result);
};
var cartographicToCartesianNormal = new Cartesian3_default();
var cartographicToCartesianK = new Cartesian3_default();
Ellipsoid.prototype.cartographicToCartesian = function(cartographic, result) {
const n = cartographicToCartesianNormal;
const k = cartographicToCartesianK;
this.geodeticSurfaceNormalCartographic(cartographic, n);
Cartesian3_default.multiplyComponents(this._radiiSquared, n, k);
const gamma = Math.sqrt(Cartesian3_default.dot(n, k));
Cartesian3_default.divideByScalar(k, gamma, k);
Cartesian3_default.multiplyByScalar(n, cartographic.height, n);
if (!defined_default(result)) {
result = new Cartesian3_default();
}
return Cartesian3_default.add(k, n, result);
};
Ellipsoid.prototype.cartographicArrayToCartesianArray = function(cartographics, result) {
Check_default.defined("cartographics", cartographics);
const length = cartographics.length;
if (!defined_default(result)) {
result = new Array(length);
} else {
result.length = length;
}
for (let i = 0; i < length; i++) {
result[i] = this.cartographicToCartesian(cartographics[i], result[i]);
}
return result;
};
var cartesianToCartographicN2 = new Cartesian3_default();
var cartesianToCartographicP2 = new Cartesian3_default();
var cartesianToCartographicH2 = new Cartesian3_default();
Ellipsoid.prototype.cartesianToCartographic = function(cartesian, result) {
const p = this.scaleToGeodeticSurface(cartesian, cartesianToCartographicP2);
if (!defined_default(p)) {
return void 0;
}
const n = this.geodeticSurfaceNormal(p, cartesianToCartographicN2);
const h = Cartesian3_default.subtract(cartesian, p, cartesianToCartographicH2);
const longitude = Math.atan2(n.y, n.x);
const latitude = Math.asin(n.z);
const height = Math_default.sign(Cartesian3_default.dot(h, cartesian)) * Cartesian3_default.magnitude(h);
if (!defined_default(result)) {
return new Cartographic_default(longitude, latitude, height);
}
result.longitude = longitude;
result.latitude = latitude;
result.height = height;
return result;
};
Ellipsoid.prototype.cartesianArrayToCartographicArray = function(cartesians, result) {
Check_default.defined("cartesians", cartesians);
const length = cartesians.length;
if (!defined_default(result)) {
result = new Array(length);
} else {
result.length = length;
}
for (let i = 0; i < length; ++i) {
result[i] = this.cartesianToCartographic(cartesians[i], result[i]);
}
return result;
};
Ellipsoid.prototype.scaleToGeodeticSurface = function(cartesian, result) {
return scaleToGeodeticSurface_default(
cartesian,
this._oneOverRadii,
this._oneOverRadiiSquared,
this._centerToleranceSquared,
result
);
};
Ellipsoid.prototype.scaleToGeocentricSurface = function(cartesian, result) {
Check_default.typeOf.object("cartesian", cartesian);
if (!defined_default(result)) {
result = new Cartesian3_default();
}
const positionX = cartesian.x;
const positionY = cartesian.y;
const positionZ = cartesian.z;
const oneOverRadiiSquared = this._oneOverRadiiSquared;
const beta = 1 / Math.sqrt(
positionX * positionX * oneOverRadiiSquared.x + positionY * positionY * oneOverRadiiSquared.y + positionZ * positionZ * oneOverRadiiSquared.z
);
return Cartesian3_default.multiplyByScalar(cartesian, beta, result);
};
Ellipsoid.prototype.transformPositionToScaledSpace = function(position, result) {
if (!defined_default(result)) {
result = new Cartesian3_default();
}
return Cartesian3_default.multiplyComponents(position, this._oneOverRadii, result);
};
Ellipsoid.prototype.transformPositionFromScaledSpace = function(position, result) {
if (!defined_default(result)) {
result = new Cartesian3_default();
}
return Cartesian3_default.multiplyComponents(position, this._radii, result);
};
Ellipsoid.prototype.equals = function(right) {
return this === right || defined_default(right) && Cartesian3_default.equals(this._radii, right._radii);
};
Ellipsoid.prototype.toString = function() {
return this._radii.toString();
};
Ellipsoid.prototype.getSurfaceNormalIntersectionWithZAxis = function(position, buffer, result) {
Check_default.typeOf.object("position", position);
if (!Math_default.equalsEpsilon(
this._radii.x,
this._radii.y,
Math_default.EPSILON15
)) {
throw new DeveloperError_default(
"Ellipsoid must be an ellipsoid of revolution (radii.x == radii.y)"
);
}
Check_default.typeOf.number.greaterThan("Ellipsoid.radii.z", this._radii.z, 0);
buffer = defaultValue_default(buffer, 0);
const squaredXOverSquaredZ = this._squaredXOverSquaredZ;
if (!defined_default(result)) {
result = new Cartesian3_default();
}
result.x = 0;
result.y = 0;
result.z = position.z * (1 - squaredXOverSquaredZ);
if (Math.abs(result.z) >= this._radii.z - buffer) {
return void 0;
}
return result;
};
var scratchEndpoint = new Cartesian3_default();
Ellipsoid.prototype.getLocalCurvature = function(surfacePosition, result) {
Check_default.typeOf.object("surfacePosition", surfacePosition);
if (!defined_default(result)) {
result = new Cartesian2_default();
}
const primeVerticalEndpoint = this.getSurfaceNormalIntersectionWithZAxis(
surfacePosition,
0,
scratchEndpoint
);
const primeVerticalRadius = Cartesian3_default.distance(
surfacePosition,
primeVerticalEndpoint
);
const radiusRatio = this.minimumRadius * primeVerticalRadius / this.maximumRadius ** 2;
const meridionalRadius = primeVerticalRadius * radiusRatio ** 2;
return Cartesian2_default.fromElements(
1 / primeVerticalRadius,
1 / meridionalRadius,
result
);
};
var abscissas = [
0.14887433898163,
0.43339539412925,
0.67940956829902,
0.86506336668898,
0.97390652851717,
0
];
var weights = [
0.29552422471475,
0.26926671930999,
0.21908636251598,
0.14945134915058,
0.066671344308684,
0
];
function gaussLegendreQuadrature(a, b, func) {
Check_default.typeOf.number("a", a);
Check_default.typeOf.number("b", b);
Check_default.typeOf.func("func", func);
const xMean = 0.5 * (b + a);
const xRange = 0.5 * (b - a);
let sum = 0;
for (let i = 0; i < 5; i++) {
const dx = xRange * abscissas[i];
sum += weights[i] * (func(xMean + dx) + func(xMean - dx));
}
sum *= xRange;
return sum;
}
Ellipsoid.prototype.surfaceArea = function(rectangle) {
Check_default.typeOf.object("rectangle", rectangle);
const minLongitude = rectangle.west;
let maxLongitude = rectangle.east;
const minLatitude = rectangle.south;
const maxLatitude = rectangle.north;
while (maxLongitude < minLongitude) {
maxLongitude += Math_default.TWO_PI;
}
const radiiSquared = this._radiiSquared;
const a2 = radiiSquared.x;
const b2 = radiiSquared.y;
const c2 = radiiSquared.z;
const a2b2 = a2 * b2;
return gaussLegendreQuadrature(minLatitude, maxLatitude, function(lat) {
const sinPhi = Math.cos(lat);
const cosPhi = Math.sin(lat);
return Math.cos(lat) * gaussLegendreQuadrature(minLongitude, maxLongitude, function(lon) {
const cosTheta = Math.cos(lon);
const sinTheta = Math.sin(lon);
return Math.sqrt(
a2b2 * cosPhi * cosPhi + c2 * (b2 * cosTheta * cosTheta + a2 * sinTheta * sinTheta) * sinPhi * sinPhi
);
});
});
};
var Ellipsoid_default = Ellipsoid;
// packages/engine/Source/Core/Matrix3.js
function Matrix3(column0Row0, column1Row0, column2Row0, column0Row1, column1Row1, column2Row1, column0Row2, column1Row2, column2Row2) {
this[0] = defaultValue_default(column0Row0, 0);
this[1] = defaultValue_default(column0Row1, 0);
this[2] = defaultValue_default(column0Row2, 0);
this[3] = defaultValue_default(column1Row0, 0);
this[4] = defaultValue_default(column1Row1, 0);
this[5] = defaultValue_default(column1Row2, 0);
this[6] = defaultValue_default(column2Row0, 0);
this[7] = defaultValue_default(column2Row1, 0);
this[8] = defaultValue_default(column2Row2, 0);
}
Matrix3.packedLength = 9;
Matrix3.pack = function(value, array, startingIndex) {
Check_default.typeOf.object("value", value);
Check_default.defined("array", array);
startingIndex = defaultValue_default(startingIndex, 0);
array[startingIndex++] = value[0];
array[startingIndex++] = value[1];
array[startingIndex++] = value[2];
array[startingIndex++] = value[3];
array[startingIndex++] = value[4];
array[startingIndex++] = value[5];
array[startingIndex++] = value[6];
array[startingIndex++] = value[7];
array[startingIndex++] = value[8];
return array;
};
Matrix3.unpack = function(array, startingIndex, result) {
Check_default.defined("array", array);
startingIndex = defaultValue_default(startingIndex, 0);
if (!defined_default(result)) {
result = new Matrix3();
}
result[0] = array[startingIndex++];
result[1] = array[startingIndex++];
result[2] = array[startingIndex++];
result[3] = array[startingIndex++];
result[4] = array[startingIndex++];
result[5] = array[startingIndex++];
result[6] = array[startingIndex++];
result[7] = array[startingIndex++];
result[8] = array[startingIndex++];
return result;
};
Matrix3.packArray = function(array, result) {
Check_default.defined("array", array);
const length = array.length;
const resultLength = length * 9;
if (!defined_default(result)) {
result = new Array(resultLength);
} else if (!Array.isArray(result) && result.length !== resultLength) {
throw new DeveloperError_default(
"If result is a typed array, it must have exactly array.length * 9 elements"
);
} else if (result.length !== resultLength) {
result.length = resultLength;
}
for (let i = 0; i < length; ++i) {
Matrix3.pack(array[i], result, i * 9);
}
return result;
};
Matrix3.unpackArray = function(array, result) {
Check_default.defined("array", array);
Check_default.typeOf.number.greaterThanOrEquals("array.length", array.length, 9);
if (array.length % 9 !== 0) {
throw new DeveloperError_default("array length must be a multiple of 9.");
}
const length = array.length;
if (!defined_default(result)) {
result = new Array(length / 9);
} else {
result.length = length / 9;
}
for (let i = 0; i < length; i += 9) {
const index = i / 9;
result[index] = Matrix3.unpack(array, i, result[index]);
}
return result;
};
Matrix3.clone = function(matrix, result) {
if (!defined_default(matrix)) {
return void 0;
}
if (!defined_default(result)) {
return new Matrix3(
matrix[0],
matrix[3],
matrix[6],
matrix[1],
matrix[4],
matrix[7],
matrix[2],
matrix[5],
matrix[8]
);
}
result[0] = matrix[0];
result[1] = matrix[1];
result[2] = matrix[2];
result[3] = matrix[3];
result[4] = matrix[4];
result[5] = matrix[5];
result[6] = matrix[6];
result[7] = matrix[7];
result[8] = matrix[8];
return result;
};
Matrix3.fromArray = Matrix3.unpack;
Matrix3.fromColumnMajorArray = function(values, result) {
Check_default.defined("values", values);
return Matrix3.clone(values, result);
};
Matrix3.fromRowMajorArray = function(values, result) {
Check_default.defined("values", values);
if (!defined_default(result)) {
return new Matrix3(
values[0],
values[1],
values[2],
values[3],
values[4],
values[5],
values[6],
values[7],
values[8]
);
}
result[0] = values[0];
result[1] = values[3];
result[2] = values[6];
result[3] = values[1];
result[4] = values[4];
result[5] = values[7];
result[6] = values[2];
result[7] = values[5];
result[8] = values[8];
return result;
};
Matrix3.fromQuaternion = function(quaternion, result) {
Check_default.typeOf.object("quaternion", quaternion);
const x2 = quaternion.x * quaternion.x;
const xy = quaternion.x * quaternion.y;
const xz = quaternion.x * quaternion.z;
const xw = quaternion.x * quaternion.w;
const y2 = quaternion.y * quaternion.y;
const yz = quaternion.y * quaternion.z;
const yw = quaternion.y * quaternion.w;
const z2 = quaternion.z * quaternion.z;
const zw = quaternion.z * quaternion.w;
const w2 = quaternion.w * quaternion.w;
const m00 = x2 - y2 - z2 + w2;
const m01 = 2 * (xy - zw);
const m02 = 2 * (xz + yw);
const m10 = 2 * (xy + zw);
const m11 = -x2 + y2 - z2 + w2;
const m12 = 2 * (yz - xw);
const m20 = 2 * (xz - yw);
const m21 = 2 * (yz + xw);
const m22 = -x2 - y2 + z2 + w2;
if (!defined_default(result)) {
return new Matrix3(m00, m01, m02, m10, m11, m12, m20, m21, m22);
}
result[0] = m00;
result[1] = m10;
result[2] = m20;
result[3] = m01;
result[4] = m11;
result[5] = m21;
result[6] = m02;
result[7] = m12;
result[8] = m22;
return result;
};
Matrix3.fromHeadingPitchRoll = function(headingPitchRoll, result) {
Check_default.typeOf.object("headingPitchRoll", headingPitchRoll);
const cosTheta = Math.cos(-headingPitchRoll.pitch);
const cosPsi = Math.cos(-headingPitchRoll.heading);
const cosPhi = Math.cos(headingPitchRoll.roll);
const sinTheta = Math.sin(-headingPitchRoll.pitch);
const sinPsi = Math.sin(-headingPitchRoll.heading);
const sinPhi = Math.sin(headingPitchRoll.roll);
const m00 = cosTheta * cosPsi;
const m01 = -cosPhi * sinPsi + sinPhi * sinTheta * cosPsi;
const m02 = sinPhi * sinPsi + cosPhi * sinTheta * cosPsi;
const m10 = cosTheta * sinPsi;
const m11 = cosPhi * cosPsi + sinPhi * sinTheta * sinPsi;
const m12 = -sinPhi * cosPsi + cosPhi * sinTheta * sinPsi;
const m20 = -sinTheta;
const m21 = sinPhi * cosTheta;
const m22 = cosPhi * cosTheta;
if (!defined_default(result)) {
return new Matrix3(m00, m01, m02, m10, m11, m12, m20, m21, m22);
}
result[0] = m00;
result[1] = m10;
result[2] = m20;
result[3] = m01;
result[4] = m11;
result[5] = m21;
result[6] = m02;
result[7] = m12;
result[8] = m22;
return result;
};
Matrix3.fromScale = function(scale, result) {
Check_default.typeOf.object("scale", scale);
if (!defined_default(result)) {
return new Matrix3(scale.x, 0, 0, 0, scale.y, 0, 0, 0, scale.z);
}
result[0] = scale.x;
result[1] = 0;
result[2] = 0;
result[3] = 0;
result[4] = scale.y;
result[5] = 0;
result[6] = 0;
result[7] = 0;
result[8] = scale.z;
return result;
};
Matrix3.fromUniformScale = function(scale, result) {
Check_default.typeOf.number("scale", scale);
if (!defined_default(result)) {
return new Matrix3(scale, 0, 0, 0, scale, 0, 0, 0, scale);
}
result[0] = scale;
result[1] = 0;
result[2] = 0;
result[3] = 0;
result[4] = scale;
result[5] = 0;
result[6] = 0;
result[7] = 0;
result[8] = scale;
return result;
};
Matrix3.fromCrossProduct = function(vector, result) {
Check_default.typeOf.object("vector", vector);
if (!defined_default(result)) {
return new Matrix3(
0,
-vector.z,
vector.y,
vector.z,
0,
-vector.x,
-vector.y,
vector.x,
0
);
}
result[0] = 0;
result[1] = vector.z;
result[2] = -vector.y;
result[3] = -vector.z;
result[4] = 0;
result[5] = vector.x;
result[6] = vector.y;
result[7] = -vector.x;
result[8] = 0;
return result;
};
Matrix3.fromRotationX = function(angle, result) {
Check_default.typeOf.number("angle", angle);
const cosAngle = Math.cos(angle);
const sinAngle = Math.sin(angle);
if (!defined_default(result)) {
return new Matrix3(
1,
0,
0,
0,
cosAngle,
-sinAngle,
0,
sinAngle,
cosAngle
);
}
result[0] = 1;
result[1] = 0;
result[2] = 0;
result[3] = 0;
result[4] = cosAngle;
result[5] = sinAngle;
result[6] = 0;
result[7] = -sinAngle;
result[8] = cosAngle;
return result;
};
Matrix3.fromRotationY = function(angle, result) {
Check_default.typeOf.number("angle", angle);
const cosAngle = Math.cos(angle);
const sinAngle = Math.sin(angle);
if (!defined_default(result)) {
return new Matrix3(
cosAngle,
0,
sinAngle,
0,
1,
0,
-sinAngle,
0,
cosAngle
);
}
result[0] = cosAngle;
result[1] = 0;
result[2] = -sinAngle;
result[3] = 0;
result[4] = 1;
result[5] = 0;
result[6] = sinAngle;
result[7] = 0;
result[8] = cosAngle;
return result;
};
Matrix3.fromRotationZ = function(angle, result) {
Check_default.typeOf.number("angle", angle);
const cosAngle = Math.cos(angle);
const sinAngle = Math.sin(angle);
if (!defined_default(result)) {
return new Matrix3(
cosAngle,
-sinAngle,
0,
sinAngle,
cosAngle,
0,
0,
0,
1
);
}
result[0] = cosAngle;
result[1] = sinAngle;
result[2] = 0;
result[3] = -sinAngle;
result[4] = cosAngle;
result[5] = 0;
result[6] = 0;
result[7] = 0;
result[8] = 1;
return result;
};
Matrix3.toArray = function(matrix, result) {
Check_default.typeOf.object("matrix", matrix);
if (!defined_default(result)) {
return [
matrix[0],
matrix[1],
matrix[2],
matrix[3],
matrix[4],
matrix[5],
matrix[6],
matrix[7],
matrix[8]
];
}
result[0] = matrix[0];
result[1] = matrix[1];
result[2] = matrix[2];
result[3] = matrix[3];
result[4] = matrix[4];
result[5] = matrix[5];
result[6] = matrix[6];
result[7] = matrix[7];
result[8] = matrix[8];
return result;
};
Matrix3.getElementIndex = function(column, row) {
Check_default.typeOf.number.greaterThanOrEquals("row", row, 0);
Check_default.typeOf.number.lessThanOrEquals("row", row, 2);
Check_default.typeOf.number.greaterThanOrEquals("column", column, 0);
Check_default.typeOf.number.lessThanOrEquals("column", column, 2);
return column * 3 + row;
};
Matrix3.getColumn = function(matrix, index, result) {
Check_default.typeOf.object("matrix", matrix);
Check_default.typeOf.number.greaterThanOrEquals("index", index, 0);
Check_default.typeOf.number.lessThanOrEquals("index", index, 2);
Check_default.typeOf.object("result", result);
const startIndex = index * 3;
const x = matrix[startIndex];
const y = matrix[startIndex + 1];
const z = matrix[startIndex + 2];
result.x = x;
result.y = y;
result.z = z;
return result;
};
Matrix3.setColumn = function(matrix, index, cartesian, result) {
Check_default.typeOf.object("matrix", matrix);
Check_default.typeOf.number.greaterThanOrEquals("index", index, 0);
Check_default.typeOf.number.lessThanOrEquals("index", index, 2);
Check_default.typeOf.object("cartesian", cartesian);
Check_default.typeOf.object("result", result);
result = Matrix3.clone(matrix, result);
const startIndex = index * 3;
result[startIndex] = cartesian.x;
result[startIndex + 1] = cartesian.y;
result[startIndex + 2] = cartesian.z;
return result;
};
Matrix3.getRow = function(matrix, index, result) {
Check_default.typeOf.object("matrix", matrix);
Check_default.typeOf.number.greaterThanOrEquals("index", index, 0);
Check_default.typeOf.number.lessThanOrEquals("index", index, 2);
Check_default.typeOf.object("result", result);
const x = matrix[index];
const y = matrix[index + 3];
const z = matrix[index + 6];
result.x = x;
result.y = y;
result.z = z;
return result;
};
Matrix3.setRow = function(matrix, index, cartesian, result) {
Check_default.typeOf.object("matrix", matrix);
Check_default.typeOf.number.greaterThanOrEquals("index", index, 0);
Check_default.typeOf.number.lessThanOrEquals("index", index, 2);
Check_default.typeOf.object("cartesian", cartesian);
Check_default.typeOf.object("result", result);
result = Matrix3.clone(matrix, result);
result[index] = cartesian.x;
result[index + 3] = cartesian.y;
result[index + 6] = cartesian.z;
return result;
};
var scaleScratch1 = new Cartesian3_default();
Matrix3.setScale = function(matrix, scale, result) {
Check_default.typeOf.object("matrix", matrix);
Check_default.typeOf.object("scale", scale);
Check_default.typeOf.object("result", result);
const existingScale = Matrix3.getScale(matrix, scaleScratch1);
const scaleRatioX = scale.x / existingScale.x;
const scaleRatioY = scale.y / existingScale.y;
const scaleRatioZ = scale.z / existingScale.z;
result[0] = matrix[0] * scaleRatioX;
result[1] = matrix[1] * scaleRatioX;
result[2] = matrix[2] * scaleRatioX;
result[3] = matrix[3] * scaleRatioY;
result[4] = matrix[4] * scaleRatioY;
result[5] = matrix[5] * scaleRatioY;
result[6] = matrix[6] * scaleRatioZ;
result[7] = matrix[7] * scaleRatioZ;
result[8] = matrix[8] * scaleRatioZ;
return result;
};
var scaleScratch2 = new Cartesian3_default();
Matrix3.setUniformScale = function(matrix, scale, result) {
Check_default.typeOf.object("matrix", matrix);
Check_default.typeOf.number("scale", scale);
Check_default.typeOf.object("result", result);
const existingScale = Matrix3.getScale(matrix, scaleScratch2);
const scaleRatioX = scale / existingScale.x;
const scaleRatioY = scale / existingScale.y;
const scaleRatioZ = scale / existingScale.z;
result[0] = matrix[0] * scaleRatioX;
result[1] = matrix[1] * scaleRatioX;
result[2] = matrix[2] * scaleRatioX;
result[3] = matrix[3] * scaleRatioY;
result[4] = matrix[4] * scaleRatioY;
result[5] = matrix[5] * scaleRatioY;
result[6] = matrix[6] * scaleRatioZ;
result[7] = matrix[7] * scaleRatioZ;
result[8] = matrix[8] * scaleRatioZ;
return result;
};
var scratchColumn = new Cartesian3_default();
Matrix3.getScale = function(matrix, result) {
Check_default.typeOf.object("matrix", matrix);
Check_default.typeOf.object("result", result);
result.x = Cartesian3_default.magnitude(
Cartesian3_default.fromElements(matrix[0], matrix[1], matrix[2], scratchColumn)
);
result.y = Cartesian3_default.magnitude(
Cartesian3_default.fromElements(matrix[3], matrix[4], matrix[5], scratchColumn)
);
result.z = Cartesian3_default.magnitude(
Cartesian3_default.fromElements(matrix[6], matrix[7], matrix[8], scratchColumn)
);
return result;
};
var scaleScratch3 = new Cartesian3_default();
Matrix3.getMaximumScale = function(matrix) {
Matrix3.getScale(matrix, scaleScratch3);
return Cartesian3_default.maximumComponent(scaleScratch3);
};
var scaleScratch4 = new Cartesian3_default();
Matrix3.setRotation = function(matrix, rotation, result) {
Check_default.typeOf.object("matrix", matrix);
Check_default.typeOf.object("result", result);
const scale = Matrix3.getScale(matrix, scaleScratch4);
result[0] = rotation[0] * scale.x;
result[1] = rotation[1] * scale.x;
result[2] = rotation[2] * scale.x;
result[3] = rotation[3] * scale.y;
result[4] = rotation[4] * scale.y;
result[5] = rotation[5] * scale.y;
result[6] = rotation[6] * scale.z;
result[7] = rotation[7] * scale.z;
result[8] = rotation[8] * scale.z;
return result;
};
var scaleScratch5 = new Cartesian3_default();
Matrix3.getRotation = function(matrix, result) {
Check_default.typeOf.object("matrix", matrix);
Check_default.typeOf.object("result", result);
const scale = Matrix3.getScale(matrix, scaleScratch5);
result[0] = matrix[0] / scale.x;
result[1] = matrix[1] / scale.x;
result[2] = matrix[2] / scale.x;
result[3] = matrix[3] / scale.y;
result[4] = matrix[4] / scale.y;
result[5] = matrix[5] / scale.y;
result[6] = matrix[6] / scale.z;
result[7] = matrix[7] / scale.z;
result[8] = matrix[8] / scale.z;
return result;
};
Matrix3.multiply = function(left, right, result) {
Check_default.typeOf.object("left", left);
Check_default.typeOf.object("right", right);
Check_default.typeOf.object("result", result);
const column0Row0 = left[0] * right[0] + left[3] * right[1] + left[6] * right[2];
const column0Row1 = left[1] * right[0] + left[4] * right[1] + left[7] * right[2];
const column0Row2 = left[2] * right[0] + left[5] * right[1] + left[8] * right[2];
const column1Row0 = left[0] * right[3] + left[3] * right[4] + left[6] * right[5];
const column1Row1 = left[1] * right[3] + left[4] * right[4] + left[7] * right[5];
const column1Row2 = left[2] * right[3] + left[5] * right[4] + left[8] * right[5];
const column2Row0 = left[0] * right[6] + left[3] * right[7] + left[6] * right[8];
const column2Row1 = left[1] * right[6] + left[4] * right[7] + left[7] * right[8];
const column2Row2 = left[2] * right[6] + left[5] * right[7] + left[8] * right[8];
result[0] = column0Row0;
result[1] = column0Row1;
result[2] = column0Row2;
result[3] = column1Row0;
result[4] = column1Row1;
result[5] = column1Row2;
result[6] = column2Row0;
result[7] = column2Row1;
result[8] = column2Row2;
return result;
};
Matrix3.add = function(left, right, result) {
Check_default.typeOf.object("left", left);
Check_default.typeOf.object("right", right);
Check_default.typeOf.object("result", result);
result[0] = left[0] + right[0];
result[1] = left[1] + right[1];
result[2] = left[2] + right[2];
result[3] = left[3] + right[3];
result[4] = left[4] + right[4];
result[5] = left[5] + right[5];
result[6] = left[6] + right[6];
result[7] = left[7] + right[7];
result[8] = left[8] + right[8];
return result;
};
Matrix3.subtract = function(left, right, result) {
Check_default.typeOf.object("left", left);
Check_default.typeOf.object("right", right);
Check_default.typeOf.object("result", result);
result[0] = left[0] - right[0];
result[1] = left[1] - right[1];
result[2] = left[2] - right[2];
result[3] = left[3] - right[3];
result[4] = left[4] - right[4];
result[5] = left[5] - right[5];
result[6] = left[6] - right[6];
result[7] = left[7] - right[7];
result[8] = left[8] - right[8];
return result;
};
Matrix3.multiplyByVector = function(matrix, cartesian, result) {
Check_default.typeOf.object("matrix", matrix);
Check_default.typeOf.object("cartesian", cartesian);
Check_default.typeOf.object("result", result);
const vX = cartesian.x;
const vY = cartesian.y;
const vZ = cartesian.z;
const x = matrix[0] * vX + matrix[3] * vY + matrix[6] * vZ;
const y = matrix[1] * vX + matrix[4] * vY + matrix[7] * vZ;
const z = matrix[2] * vX + matrix[5] * vY + matrix[8] * vZ;
result.x = x;
result.y = y;
result.z = z;
return result;
};
Matrix3.multiplyByScalar = function(matrix, scalar, result) {
Check_default.typeOf.object("matrix", matrix);
Check_default.typeOf.number("scalar", scalar);
Check_default.typeOf.object("result", result);
result[0] = matrix[0] * scalar;
result[1] = matrix[1] * scalar;
result[2] = matrix[2] * scalar;
result[3] = matrix[3] * scalar;
result[4] = matrix[4] * scalar;
result[5] = matrix[5] * scalar;
result[6] = matrix[6] * scalar;
result[7] = matrix[7] * scalar;
result[8] = matrix[8] * scalar;
return result;
};
Matrix3.multiplyByScale = function(matrix, scale, result) {
Check_default.typeOf.object("matrix", matrix);
Check_default.typeOf.object("scale", scale);
Check_default.typeOf.object("result", result);
result[0] = matrix[0] * scale.x;
result[1] = matrix[1] * scale.x;
result[2] = matrix[2] * scale.x;
result[3] = matrix[3] * scale.y;
result[4] = matrix[4] * scale.y;
result[5] = matrix[5] * scale.y;
result[6] = matrix[6] * scale.z;
result[7] = matrix[7] * scale.z;
result[8] = matrix[8] * scale.z;
return result;
};
Matrix3.multiplyByUniformScale = function(matrix, scale, result) {
Check_default.typeOf.object("matrix", matrix);
Check_default.typeOf.number("scale", scale);
Check_default.typeOf.object("result", result);
result[0] = matrix[0] * scale;
result[1] = matrix[1] * scale;
result[2] = matrix[2] * scale;
result[3] = matrix[3] * scale;
result[4] = matrix[4] * scale;
result[5] = matrix[5] * scale;
result[6] = matrix[6] * scale;
result[7] = matrix[7] * scale;
result[8] = matrix[8] * scale;
return result;
};
Matrix3.negate = function(matrix, result) {
Check_default.typeOf.object("matrix", matrix);
Check_default.typeOf.object("result", result);
result[0] = -matrix[0];
result[1] = -matrix[1];
result[2] = -matrix[2];
result[3] = -matrix[3];
result[4] = -matrix[4];
result[5] = -matrix[5];
result[6] = -matrix[6];
result[7] = -matrix[7];
result[8] = -matrix[8];
return result;
};
Matrix3.transpose = function(matrix, result) {
Check_default.typeOf.object("matrix", matrix);
Check_default.typeOf.object("result", result);
const column0Row0 = matrix[0];
const column0Row1 = matrix[3];
const column0Row2 = matrix[6];
const column1Row0 = matrix[1];
const column1Row1 = matrix[4];
const column1Row2 = matrix[7];
const column2Row0 = matrix[2];
const column2Row1 = matrix[5];
const column2Row2 = matrix[8];
result[0] = column0Row0;
result[1] = column0Row1;
result[2] = column0Row2;
result[3] = column1Row0;
result[4] = column1Row1;
result[5] = column1Row2;
result[6] = column2Row0;
result[7] = column2Row1;
result[8] = column2Row2;
return result;
};
function computeFrobeniusNorm(matrix) {
let norm = 0;
for (let i = 0; i < 9; ++i) {
const temp = matrix[i];
norm += temp * temp;
}
return Math.sqrt(norm);
}
var rowVal = [1, 0, 0];
var colVal = [2, 2, 1];
function offDiagonalFrobeniusNorm(matrix) {
let norm = 0;
for (let i = 0; i < 3; ++i) {
const temp = matrix[Matrix3.getElementIndex(colVal[i], rowVal[i])];
norm += 2 * temp * temp;
}
return Math.sqrt(norm);
}
function shurDecomposition(matrix, result) {
const tolerance = Math_default.EPSILON15;
let maxDiagonal = 0;
let rotAxis = 1;
for (let i = 0; i < 3; ++i) {
const temp = Math.abs(
matrix[Matrix3.getElementIndex(colVal[i], rowVal[i])]
);
if (temp > maxDiagonal) {
rotAxis = i;
maxDiagonal = temp;
}
}
let c = 1;
let s = 0;
const p = rowVal[rotAxis];
const q = colVal[rotAxis];
if (Math.abs(matrix[Matrix3.getElementIndex(q, p)]) > tolerance) {
const qq = matrix[Matrix3.getElementIndex(q, q)];
const pp = matrix[Matrix3.getElementIndex(p, p)];
const qp = matrix[Matrix3.getElementIndex(q, p)];
const tau = (qq - pp) / 2 / qp;
let t;
if (tau < 0) {
t = -1 / (-tau + Math.sqrt(1 + tau * tau));
} else {
t = 1 / (tau + Math.sqrt(1 + tau * tau));
}
c = 1 / Math.sqrt(1 + t * t);
s = t * c;
}
result = Matrix3.clone(Matrix3.IDENTITY, result);
result[Matrix3.getElementIndex(p, p)] = result[Matrix3.getElementIndex(q, q)] = c;
result[Matrix3.getElementIndex(q, p)] = s;
result[Matrix3.getElementIndex(p, q)] = -s;
return result;
}
var jMatrix = new Matrix3();
var jMatrixTranspose = new Matrix3();
Matrix3.computeEigenDecomposition = function(matrix, result) {
Check_default.typeOf.object("matrix", matrix);
const tolerance = Math_default.EPSILON20;
const maxSweeps = 10;
let count = 0;
let sweep = 0;
if (!defined_default(result)) {
result = {};
}
const unitaryMatrix = result.unitary = Matrix3.clone(
Matrix3.IDENTITY,
result.unitary
);
const diagMatrix = result.diagonal = Matrix3.clone(matrix, result.diagonal);
const epsilon = tolerance * computeFrobeniusNorm(diagMatrix);
while (sweep < maxSweeps && offDiagonalFrobeniusNorm(diagMatrix) > epsilon) {
shurDecomposition(diagMatrix, jMatrix);
Matrix3.transpose(jMatrix, jMatrixTranspose);
Matrix3.multiply(diagMatrix, jMatrix, diagMatrix);
Matrix3.multiply(jMatrixTranspose, diagMatrix, diagMatrix);
Matrix3.multiply(unitaryMatrix, jMatrix, unitaryMatrix);
if (++count > 2) {
++sweep;
count = 0;
}
}
return result;
};
Matrix3.abs = function(matrix, result) {
Check_default.typeOf.object("matrix", matrix);
Check_default.typeOf.object("result", result);
result[0] = Math.abs(matrix[0]);
result[1] = Math.abs(matrix[1]);
result[2] = Math.abs(matrix[2]);
result[3] = Math.abs(matrix[3]);
result[4] = Math.abs(matrix[4]);
result[5] = Math.abs(matrix[5]);
result[6] = Math.abs(matrix[6]);
result[7] = Math.abs(matrix[7]);
result[8] = Math.abs(matrix[8]);
return result;
};
Matrix3.determinant = function(matrix) {
Check_default.typeOf.object("matrix", matrix);
const m11 = matrix[0];
const m21 = matrix[3];
const m31 = matrix[6];
const m12 = matrix[1];
const m22 = matrix[4];
const m32 = matrix[7];
const m13 = matrix[2];
const m23 = matrix[5];
const m33 = matrix[8];
return m11 * (m22 * m33 - m23 * m32) + m12 * (m23 * m31 - m21 * m33) + m13 * (m21 * m32 - m22 * m31);
};
Matrix3.inverse = function(matrix, result) {
Check_default.typeOf.object("matrix", matrix);
Check_default.typeOf.object("result", result);
const m11 = matrix[0];
const m21 = matrix[1];
const m31 = matrix[2];
const m12 = matrix[3];
const m22 = matrix[4];
const m32 = matrix[5];
const m13 = matrix[6];
const m23 = matrix[7];
const m33 = matrix[8];
const determinant = Matrix3.determinant(matrix);
if (Math.abs(determinant) <= Math_default.EPSILON15) {
throw new DeveloperError_default("matrix is not invertible");
}
result[0] = m22 * m33 - m23 * m32;
result[1] = m23 * m31 - m21 * m33;
result[2] = m21 * m32 - m22 * m31;
result[3] = m13 * m32 - m12 * m33;
result[4] = m11 * m33 - m13 * m31;
result[5] = m12 * m31 - m11 * m32;
result[6] = m12 * m23 - m13 * m22;
result[7] = m13 * m21 - m11 * m23;
result[8] = m11 * m22 - m12 * m21;
const scale = 1 / determinant;
return Matrix3.multiplyByScalar(result, scale, result);
};
var scratchTransposeMatrix = new Matrix3();
Matrix3.inverseTranspose = function(matrix, result) {
Check_default.typeOf.object("matrix", matrix);
Check_default.typeOf.object("result", result);
return Matrix3.inverse(
Matrix3.transpose(matrix, scratchTransposeMatrix),
result
);
};
Matrix3.equals = function(left, right) {
return left === right || defined_default(left) && defined_default(right) && left[0] === right[0] && left[1] === right[1] && left[2] === right[2] && left[3] === right[3] && left[4] === right[4] && left[5] === right[5] && left[6] === right[6] && left[7] === right[7] && left[8] === right[8];
};
Matrix3.equalsEpsilon = function(left, right, epsilon) {
epsilon = defaultValue_default(epsilon, 0);
return left === right || defined_default(left) && defined_default(right) && Math.abs(left[0] - right[0]) <= epsilon && Math.abs(left[1] - right[1]) <= epsilon && Math.abs(left[2] - right[2]) <= epsilon && Math.abs(left[3] - right[3]) <= epsilon && Math.abs(left[4] - right[4]) <= epsilon && Math.abs(left[5] - right[5]) <= epsilon && Math.abs(left[6] - right[6]) <= epsilon && Math.abs(left[7] - right[7]) <= epsilon && Math.abs(left[8] - right[8]) <= epsilon;
};
Matrix3.IDENTITY = Object.freeze(
new Matrix3(1, 0, 0, 0, 1, 0, 0, 0, 1)
);
Matrix3.ZERO = Object.freeze(
new Matrix3(0, 0, 0, 0, 0, 0, 0, 0, 0)
);
Matrix3.COLUMN0ROW0 = 0;
Matrix3.COLUMN0ROW1 = 1;
Matrix3.COLUMN0ROW2 = 2;
Matrix3.COLUMN1ROW0 = 3;
Matrix3.COLUMN1ROW1 = 4;
Matrix3.COLUMN1ROW2 = 5;
Matrix3.COLUMN2ROW0 = 6;
Matrix3.COLUMN2ROW1 = 7;
Matrix3.COLUMN2ROW2 = 8;
Object.defineProperties(Matrix3.prototype, {
/**
* Gets the number of items in the collection.
* @memberof Matrix3.prototype
*
* @type {number}
*/
length: {
get: function() {
return Matrix3.packedLength;
}
}
});
Matrix3.prototype.clone = function(result) {
return Matrix3.clone(this, result);
};
Matrix3.prototype.equals = function(right) {
return Matrix3.equals(this, right);
};
Matrix3.equalsArray = function(matrix, array, offset) {
return matrix[0] === array[offset] && matrix[1] === array[offset + 1] && matrix[2] === array[offset + 2] && matrix[3] === array[offset + 3] && matrix[4] === array[offset + 4] && matrix[5] === array[offset + 5] && matrix[6] === array[offset + 6] && matrix[7] === array[offset + 7] && matrix[8] === array[offset + 8];
};
Matrix3.prototype.equalsEpsilon = function(right, epsilon) {
return Matrix3.equalsEpsilon(this, right, epsilon);
};
Matrix3.prototype.toString = function() {
return `(${this[0]}, ${this[3]}, ${this[6]})
(${this[1]}, ${this[4]}, ${this[7]})
(${this[2]}, ${this[5]}, ${this[8]})`;
};
var Matrix3_default = Matrix3;
// packages/engine/Source/Core/Fullscreen.js
var _supportsFullscreen;
var _names = {
requestFullscreen: void 0,
exitFullscreen: void 0,
fullscreenEnabled: void 0,
fullscreenElement: void 0,
fullscreenchange: void 0,
fullscreenerror: void 0
};
var Fullscreen = {};
Object.defineProperties(Fullscreen, {
/**
* The element that is currently fullscreen, if any. To simply check if the
* browser is in fullscreen mode or not, use {@link Fullscreen#fullscreen}.
* @memberof Fullscreen
* @type {object}
* @readonly
*/
element: {
get: function() {
if (!Fullscreen.supportsFullscreen()) {
return void 0;
}
return document[_names.fullscreenElement];
}
},
/**
* The name of the event on the document that is fired when fullscreen is
* entered or exited. This event name is intended for use with addEventListener.
* In your event handler, to determine if the browser is in fullscreen mode or not,
* use {@link Fullscreen#fullscreen}.
* @memberof Fullscreen
* @type {string}
* @readonly
*/
changeEventName: {
get: function() {
if (!Fullscreen.supportsFullscreen()) {
return void 0;
}
return _names.fullscreenchange;
}
},
/**
* The name of the event that is fired when a fullscreen error
* occurs. This event name is intended for use with addEventListener.
* @memberof Fullscreen
* @type {string}
* @readonly
*/
errorEventName: {
get: function() {
if (!Fullscreen.supportsFullscreen()) {
return void 0;
}
return _names.fullscreenerror;
}
},
/**
* Determine whether the browser will allow an element to be made fullscreen, or not.
* For example, by default, iframes cannot go fullscreen unless the containing page
* adds an "allowfullscreen" attribute (or prefixed equivalent).
* @memberof Fullscreen
* @type {boolean}
* @readonly
*/
enabled: {
get: function() {
if (!Fullscreen.supportsFullscreen()) {
return void 0;
}
return document[_names.fullscreenEnabled];
}
},
/**
* Determines if the browser is currently in fullscreen mode.
* @memberof Fullscreen
* @type {boolean}
* @readonly
*/
fullscreen: {
get: function() {
if (!Fullscreen.supportsFullscreen()) {
return void 0;
}
return Fullscreen.element !== null;
}
}
});
Fullscreen.supportsFullscreen = function() {
if (defined_default(_supportsFullscreen)) {
return _supportsFullscreen;
}
_supportsFullscreen = false;
const body = document.body;
if (typeof body.requestFullscreen === "function") {
_names.requestFullscreen = "requestFullscreen";
_names.exitFullscreen = "exitFullscreen";
_names.fullscreenEnabled = "fullscreenEnabled";
_names.fullscreenElement = "fullscreenElement";
_names.fullscreenchange = "fullscreenchange";
_names.fullscreenerror = "fullscreenerror";
_supportsFullscreen = true;
return _supportsFullscreen;
}
const prefixes = ["webkit", "moz", "o", "ms", "khtml"];
let name;
for (let i = 0, len = prefixes.length; i < len; ++i) {
const prefix = prefixes[i];
name = `${prefix}RequestFullscreen`;
if (typeof body[name] === "function") {
_names.requestFullscreen = name;
_supportsFullscreen = true;
} else {
name = `${prefix}RequestFullScreen`;
if (typeof body[name] === "function") {
_names.requestFullscreen = name;
_supportsFullscreen = true;
}
}
name = `${prefix}ExitFullscreen`;
if (typeof document[name] === "function") {
_names.exitFullscreen = name;
} else {
name = `${prefix}CancelFullScreen`;
if (typeof document[name] === "function") {
_names.exitFullscreen = name;
}
}
name = `${prefix}FullscreenEnabled`;
if (document[name] !== void 0) {
_names.fullscreenEnabled = name;
} else {
name = `${prefix}FullScreenEnabled`;
if (document[name] !== void 0) {
_names.fullscreenEnabled = name;
}
}
name = `${prefix}FullscreenElement`;
if (document[name] !== void 0) {
_names.fullscreenElement = name;
} else {
name = `${prefix}FullScreenElement`;
if (document[name] !== void 0) {
_names.fullscreenElement = name;
}
}
name = `${prefix}fullscreenchange`;
if (document[`on${name}`] !== void 0) {
if (prefix === "ms") {
name = "MSFullscreenChange";
}
_names.fullscreenchange = name;
}
name = `${prefix}fullscreenerror`;
if (document[`on${name}`] !== void 0) {
if (prefix === "ms") {
name = "MSFullscreenError";
}
_names.fullscreenerror = name;
}
}
return _supportsFullscreen;
};
Fullscreen.requestFullscreen = function(element, vrDevice) {
if (!Fullscreen.supportsFullscreen()) {
return;
}
element[_names.requestFullscreen]({ vrDisplay: vrDevice });
};
Fullscreen.exitFullscreen = function() {
if (!Fullscreen.supportsFullscreen()) {
return;
}
document[_names.exitFullscreen]();
};
Fullscreen._names = _names;
var Fullscreen_default = Fullscreen;
// packages/engine/Source/Core/FeatureDetection.js
var theNavigator;
if (typeof navigator !== "undefined") {
theNavigator = navigator;
} else {
theNavigator = {};
}
function extractVersion(versionString) {
const parts = versionString.split(".");
for (let i = 0, len = parts.length; i < len; ++i) {
parts[i] = parseInt(parts[i], 10);
}
return parts;
}
var isChromeResult;
var chromeVersionResult;
function isChrome() {
if (!defined_default(isChromeResult)) {
isChromeResult = false;
if (!isEdge()) {
const fields = / Chrome\/([\.0-9]+)/.exec(theNavigator.userAgent);
if (fields !== null) {
isChromeResult = true;
chromeVersionResult = extractVersion(fields[1]);
}
}
}
return isChromeResult;
}
function chromeVersion() {
return isChrome() && chromeVersionResult;
}
var isSafariResult;
var safariVersionResult;
function isSafari() {
if (!defined_default(isSafariResult)) {
isSafariResult = false;
if (!isChrome() && !isEdge() && / Safari\/[\.0-9]+/.test(theNavigator.userAgent)) {
const fields = / Version\/([\.0-9]+)/.exec(theNavigator.userAgent);
if (fields !== null) {
isSafariResult = true;
safariVersionResult = extractVersion(fields[1]);
}
}
}
return isSafariResult;
}
function safariVersion() {
return isSafari() && safariVersionResult;
}
var isWebkitResult;
var webkitVersionResult;
function isWebkit() {
if (!defined_default(isWebkitResult)) {
isWebkitResult = false;
const fields = / AppleWebKit\/([\.0-9]+)(\+?)/.exec(theNavigator.userAgent);
if (fields !== null) {
isWebkitResult = true;
webkitVersionResult = extractVersion(fields[1]);
webkitVersionResult.isNightly = !!fields[2];
}
}
return isWebkitResult;
}
function webkitVersion() {
return isWebkit() && webkitVersionResult;
}
var isInternetExplorerResult;
var internetExplorerVersionResult;
function isInternetExplorer() {
if (!defined_default(isInternetExplorerResult)) {
isInternetExplorerResult = false;
let fields;
if (theNavigator.appName === "Microsoft Internet Explorer") {
fields = /MSIE ([0-9]{1,}[\.0-9]{0,})/.exec(theNavigator.userAgent);
if (fields !== null) {
isInternetExplorerResult = true;
internetExplorerVersionResult = extractVersion(fields[1]);
}
} else if (theNavigator.appName === "Netscape") {
fields = /Trident\/.*rv:([0-9]{1,}[\.0-9]{0,})/.exec(
theNavigator.userAgent
);
if (fields !== null) {
isInternetExplorerResult = true;
internetExplorerVersionResult = extractVersion(fields[1]);
}
}
}
return isInternetExplorerResult;
}
function internetExplorerVersion() {
return isInternetExplorer() && internetExplorerVersionResult;
}
var isEdgeResult;
var edgeVersionResult;
function isEdge() {
if (!defined_default(isEdgeResult)) {
isEdgeResult = false;
const fields = / Edg\/([\.0-9]+)/.exec(theNavigator.userAgent);
if (fields !== null) {
isEdgeResult = true;
edgeVersionResult = extractVersion(fields[1]);
}
}
return isEdgeResult;
}
function edgeVersion() {
return isEdge() && edgeVersionResult;
}
var isFirefoxResult;
var firefoxVersionResult;
function isFirefox() {
if (!defined_default(isFirefoxResult)) {
isFirefoxResult = false;
const fields = /Firefox\/([\.0-9]+)/.exec(theNavigator.userAgent);
if (fields !== null) {
isFirefoxResult = true;
firefoxVersionResult = extractVersion(fields[1]);
}
}
return isFirefoxResult;
}
var isWindowsResult;
function isWindows() {
if (!defined_default(isWindowsResult)) {
isWindowsResult = /Windows/i.test(theNavigator.appVersion);
}
return isWindowsResult;
}
var isIPadOrIOSResult;
function isIPadOrIOS() {
if (!defined_default(isIPadOrIOSResult)) {
isIPadOrIOSResult = navigator.platform === "iPhone" || navigator.platform === "iPod" || navigator.platform === "iPad";
}
return isIPadOrIOSResult;
}
function firefoxVersion() {
return isFirefox() && firefoxVersionResult;
}
var hasPointerEvents;
function supportsPointerEvents() {
if (!defined_default(hasPointerEvents)) {
hasPointerEvents = typeof PointerEvent !== "undefined" && (!defined_default(theNavigator.pointerEnabled) || theNavigator.pointerEnabled);
}
return hasPointerEvents;
}
var imageRenderingValueResult;
var supportsImageRenderingPixelatedResult;
function supportsImageRenderingPixelated() {
if (!defined_default(supportsImageRenderingPixelatedResult)) {
const canvas = document.createElement("canvas");
canvas.setAttribute(
"style",
"image-rendering: -moz-crisp-edges;image-rendering: pixelated;"
);
const tmp = canvas.style.imageRendering;
supportsImageRenderingPixelatedResult = defined_default(tmp) && tmp !== "";
if (supportsImageRenderingPixelatedResult) {
imageRenderingValueResult = tmp;
}
}
return supportsImageRenderingPixelatedResult;
}
function imageRenderingValue() {
return supportsImageRenderingPixelated() ? imageRenderingValueResult : void 0;
}
function supportsWebP() {
if (!supportsWebP.initialized) {
throw new DeveloperError_default(
"You must call FeatureDetection.supportsWebP.initialize and wait for the promise to resolve before calling FeatureDetection.supportsWebP"
);
}
return supportsWebP._result;
}
supportsWebP._promise = void 0;
supportsWebP._result = void 0;
supportsWebP.initialize = function() {
if (defined_default(supportsWebP._promise)) {
return supportsWebP._promise;
}
supportsWebP._promise = new Promise((resolve) => {
const image = new Image();
image.onload = function() {
supportsWebP._result = image.width > 0 && image.height > 0;
resolve(supportsWebP._result);
};
image.onerror = function() {
supportsWebP._result = false;
resolve(supportsWebP._result);
};
image.src = "data:image/webp;base64,UklGRiIAAABXRUJQVlA4IBYAAAAwAQCdASoBAAEADsD+JaQAA3AAAAAA";
});
return supportsWebP._promise;
};
Object.defineProperties(supportsWebP, {
initialized: {
get: function() {
return defined_default(supportsWebP._result);
}
}
});
var typedArrayTypes = [];
if (typeof ArrayBuffer !== "undefined") {
typedArrayTypes.push(
Int8Array,
Uint8Array,
Int16Array,
Uint16Array,
Int32Array,
Uint32Array,
Float32Array,
Float64Array
);
if (typeof Uint8ClampedArray !== "undefined") {
typedArrayTypes.push(Uint8ClampedArray);
}
if (typeof Uint8ClampedArray !== "undefined") {
typedArrayTypes.push(Uint8ClampedArray);
}
if (typeof BigInt64Array !== "undefined") {
typedArrayTypes.push(BigInt64Array);
}
if (typeof BigUint64Array !== "undefined") {
typedArrayTypes.push(BigUint64Array);
}
}
var FeatureDetection = {
isChrome,
chromeVersion,
isSafari,
safariVersion,
isWebkit,
webkitVersion,
isInternetExplorer,
internetExplorerVersion,
isEdge,
edgeVersion,
isFirefox,
firefoxVersion,
isWindows,
isIPadOrIOS,
hardwareConcurrency: defaultValue_default(theNavigator.hardwareConcurrency, 3),
supportsPointerEvents,
supportsImageRenderingPixelated,
supportsWebP,
imageRenderingValue,
typedArrayTypes
};
FeatureDetection.supportsBasis = function(scene) {
return FeatureDetection.supportsWebAssembly() && scene.context.supportsBasis;
};
FeatureDetection.supportsFullscreen = function() {
return Fullscreen_default.supportsFullscreen();
};
FeatureDetection.supportsTypedArrays = function() {
return typeof ArrayBuffer !== "undefined";
};
FeatureDetection.supportsBigInt64Array = function() {
return typeof BigInt64Array !== "undefined";
};
FeatureDetection.supportsBigUint64Array = function() {
return typeof BigUint64Array !== "undefined";
};
FeatureDetection.supportsBigInt = function() {
return typeof BigInt !== "undefined";
};
FeatureDetection.supportsWebWorkers = function() {
return typeof Worker !== "undefined";
};
FeatureDetection.supportsWebAssembly = function() {
return typeof WebAssembly !== "undefined";
};
FeatureDetection.supportsWebgl2 = function(scene) {
Check_default.defined("scene", scene);
return scene.context.webgl2;
};
FeatureDetection.supportsEsmWebWorkers = function() {
return !isFirefox() || parseInt(firefoxVersionResult) >= 114;
};
var FeatureDetection_default = FeatureDetection;
export {
Cartesian3_default,
Cartographic_default,
Cartesian2_default,
Ellipsoid_default,
Matrix3_default,
FeatureDetection_default
};
/**
* @license
* Cesium - https://github.com/CesiumGS/cesium
* Version 1.121.2
*
* Copyright 2011-2022 Cesium Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Columbus View (Pat. Pend.)
*
* Portions licensed separately.
* See https://github.com/CesiumGS/cesium/blob/main/LICENSE.md for full licensing details.
*/
// packages/engine/Source/Core/GeometryOffsetAttribute.js
var GeometryOffsetAttribute = {
NONE: 0,
TOP: 1,
ALL: 2
};
var GeometryOffsetAttribute_default = Object.freeze(GeometryOffsetAttribute);
export {
GeometryOffsetAttribute_default
};
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