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Commit 051845e0 authored by Rahman's avatar Rahman
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Update index.html

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...@@ -8,6 +8,7 @@ ...@@ -8,6 +8,7 @@
<!-- three.js --> <!-- three.js -->
<script src="https://unpkg.com/three@0.126.0/build/three.js"></script> <script src="https://unpkg.com/three@0.126.0/build/three.js"></script>
<script src="https://unpkg.com/three@0.126.0/examples/js/loaders/GLTFLoader.js"></script> <script src="https://unpkg.com/three@0.126.0/examples/js/loaders/GLTFLoader.js"></script>
</head> </head>
<body> <body>
...@@ -28,64 +29,67 @@ async function activateXR() { ...@@ -28,64 +29,67 @@ async function activateXR() {
directionalLight.position.set(10, 15, 10); directionalLight.position.set(10, 15, 10);
scene.add(directionalLight); scene.add(directionalLight);
// Set up the WebGLRenderer, which handles rendering to the session's base layer. // Set up the WebGLRenderer, which handles rendering to the session's base layer.
const renderer = new THREE.WebGLRenderer({ const renderer = new THREE.WebGLRenderer({
alpha: true, alpha: true,
preserveDrawingBuffer: true, preserveDrawingBuffer: true,
canvas: canvas, canvas: canvas,
context: gl context: gl
}); });
renderer.autoClear = false; renderer.autoClear = false;
// The API directly updates the camera matrices. // The API directly updates the camera matrices.
// Disable matrix auto updates so three.js doesn't attempt // Disable matrix auto updates so three.js doesn't attempt
// to handle the matrices independently. // to handle the matrices independently.
const camera = new THREE.PerspectiveCamera(); const camera = new THREE.PerspectiveCamera();
camera.matrixAutoUpdate = false; camera.matrixAutoUpdate = false;
// Initialize a WebXR session using "immersive-ar". // Initialize a WebXR session using "immersive-ar".
const session = await navigator.xr.requestSession("immersive-ar", {requiredFeatures: ['hit-test']}); const session = await navigator.xr.requestSession("immersive-ar", {requiredFeatures: ['hit-test']});
session.updateRenderState({ session.updateRenderState({
baseLayer: new XRWebGLLayer(session, gl) baseLayer: new XRWebGLLayer(session, gl)
}); });
// A 'local' reference space has a native origin that is located
// near the viewer's position at the time the session was created.
const referenceSpace = await session.requestReferenceSpace('local');
// Create another XRReferenceSpace that has the viewer as the origin.
const viewerSpace = await session.requestReferenceSpace('viewer');
// Perform hit testing using the viewer as origin.
const hitTestSource = await session.requestHitTestSource({ space: viewerSpace });
// A 'local' reference space has a native origin that is located
// near the viewer's position at the time the session was created.
const referenceSpace = await session.requestReferenceSpace('local');
// Create another XRReferenceSpace that has the viewer as the origin.
const viewerSpace = await session.requestReferenceSpace('viewer');
// Perform hit testing using the viewer as origin.
const hitTestSource = await session.requestHitTestSource({ space: viewerSpace });
const loader = new THREE.GLTFLoader();
let reticle; const loader = new THREE.GLTFLoader();
loader.load("https://immersive-web.github.io/webxr-samples/media/gltf/reticle/reticle.gltf", function(gltf) { let reticle;
loader.load("https://immersive-web.github.io/webxr-samples/media/gltf/reticle/reticle.gltf", function(gltf) {
reticle = gltf.scene; reticle = gltf.scene;
reticle.visible = false; reticle.visible = false;
scene.add(reticle); scene.add(reticle);
}); })
let beeModel; let flower;
loader.load("https://transfer.hft-stuttgart.de/gitlab/22raya1mpg/argumented-reality/-/raw/567d6ba4fbd43ce81686043298a1f324485a9630/bee/scene.gltf", function(gltf) { loader.load("https://immersive-web.github.io/webxr-samples/media/gltf/sunflower/sunflower.gltf", function(gltf) {
beeModel = gltf.scene; flower = gltf.scene;
}); });
session.addEventListener("select", (event) => { session.addEventListener("select", (event) => {
if (beeModel && reticle) { if (flower) {
const clone = beeModel.clone(); const clone = flower.clone();
clone.position.copy(reticle.position); clone.position.copy(reticle.position);
scene.add(clone); scene.add(clone);
} }
}); });
// Create a render loop that allows us to draw on the AR view. // Create a render loop that allows us to draw on the AR view.
const onXRFrame = (time, frame) => { const onXRFrame = (time, frame) => {
// Queue up the next draw request. // Queue up the next draw request.
session.requestAnimationFrame(onXRFrame); session.requestAnimationFrame(onXRFrame);
// Bind the graphics framebuffer to the baseLayer's framebuffer // Bind the graphics framebuffer to the baseLayer's framebuffer
gl.bindFramebuffer(gl.FRAMEBUFFER, session.renderState.baseLayer.framebuffer); gl.bindFramebuffer(gl.FRAMEBUFFER, session.renderState.baseLayer.framebuffer)
// Retrieve the pose of the device. // Retrieve the pose of the device.
// XRFrame.getViewerPose can return null while the session attempts to establish tracking. // XRFrame.getViewerPose can return null while the session attempts to establish tracking.
...@@ -95,10 +99,10 @@ async function activateXR() { ...@@ -95,10 +99,10 @@ async function activateXR() {
const view = pose.views[0]; const view = pose.views[0];
const viewport = session.renderState.baseLayer.getViewport(view); const viewport = session.renderState.baseLayer.getViewport(view);
renderer.setSize(viewport.width, viewport.height); renderer.setSize(viewport.width, viewport.height)
// Use the view's transform matrix and projection matrix to configure the THREE.camera. // Use the view's transform matrix and projection matrix to configure the THREE.camera.
camera.matrix.fromArray(view.transform.matrix); camera.matrix.fromArray(view.transform.matrix)
camera.projectionMatrix.fromArray(view.projectionMatrix); camera.projectionMatrix.fromArray(view.projectionMatrix);
camera.updateMatrixWorld(true); camera.updateMatrixWorld(true);
...@@ -106,15 +110,21 @@ async function activateXR() { ...@@ -106,15 +110,21 @@ async function activateXR() {
if (hitTestResults.length > 0 && reticle) { if (hitTestResults.length > 0 && reticle) {
const hitPose = hitTestResults[0].getPose(referenceSpace); const hitPose = hitTestResults[0].getPose(referenceSpace);
reticle.visible = true; reticle.visible = true;
reticle.position.set(hitPose.transform.position.x, hitPose.transform.position.y, hitPose.transform.position.z); reticle.position.set(hitPose.transform.position.x, hitPose.transform.position.y, hitPose.transform.position.z)
reticle.updateMatrixWorld(true); reticle.updateMatrixWorld(true);
} }
// Render the scene with THREE.WebGLRenderer. // Render the scene with THREE.WebGLRenderer.
renderer.render(scene, camera); renderer.render(scene, camera)
} }
}; }
session.requestAnimationFrame(onXRFrame); session.requestAnimationFrame(onXRFrame);
} }
</script> </script>
</body> </body>
......
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Dies ist die Gitlab-Instanz des Transferportals der Hochschule für Technik Stuttgart. Hier geht es zurück zum Portal