From 5f80d8f095e27667ba51cad37a3e88d896796b3f Mon Sep 17 00:00:00 2001
From: Rafiei <32rafa1mpg@hft-stuttgart.de>
Date: Wed, 19 Jun 2024 15:03:29 +0000
Subject: [PATCH] Update index.html
---
public/index.html | 109 +++++++++++++++++++++++++++-------------------
1 file changed, 65 insertions(+), 44 deletions(-)
diff --git a/public/index.html b/public/index.html
index ded0bb8..78e3807 100644
--- a/public/index.html
+++ b/public/index.html
@@ -1,23 +1,23 @@
<!doctype html>
<html>
-
<head>
<meta charset="UTF-8">
<meta name="viewport"
- content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
- <title>Cube Demo</title>
+ content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
+ <title>Hit to Place Demo</title>
<!-- three.js -->
<script src="https://unpkg.com/three@0.126.0/build/three.js"></script>
-</head>
+ <script src="https://unpkg.com/three@0.126.0/examples/js/loaders/GLTFLoader.js"></script>
+</head>
<body>
- <!-- Starting an immersive WebXR session requires user interaction.
+<!-- Starting an immersive WebXR session requires user interaction.
We start this one with a simple button. -->
- <button onclick="activateXR()">Start Cube Demo</button>
- <script>
- async function activateXR() {
+<button onclick="activateXR()">Start Hit to Place Demo</button>
+<script>
+async function activateXR() {
// Add a canvas element and initialize a WebGL context that is compatible with WebXR.
const canvas = document.createElement("canvas");
document.body.appendChild(canvas);
@@ -25,52 +25,63 @@
const scene = new THREE.Scene();
+ const directionalLight = new THREE.DirectionalLight(0xffffff, 1.0);
+ directionalLight.position.set(10, 15, 10);
+ scene.add(directionalLight);
+// Set up the WebGLRenderer, which handles rendering to the session's base layer.
+const renderer = new THREE.WebGLRenderer({
+ alpha: true,
+ preserveDrawingBuffer: true,
+ canvas: canvas,
+ context: gl
+});
+renderer.autoClear = false;
-// Enable shadows in the renderer.
-renderer.shadowMap.enabled = true;
+// The API directly updates the camera matrices.
+// Disable matrix auto updates so three.js doesn't attempt
+// to handle the matrices independently.
+const camera = new THREE.PerspectiveCamera();
+camera.matrixAutoUpdate = false;
-// Create the cube and add it to the demo scene.
-const cubeGeometry = new THREE.BoxBufferGeometry(0.5, 0.5, 0.5);
-const cubeMaterials = [
- new THREE.MeshLambertMaterial({ color: 0xff0000 }), // Red
- new THREE.MeshLambertMaterial({ color: 0x0000ff }), // Blue
- new THREE.MeshLambertMaterial({ color: 0x00ff00 }), // Green
- new THREE.MeshLambertMaterial({ color: 0xff00ff }), // Magenta
- new THREE.MeshLambertMaterial({ color: 0x00ffff }), // Cyan
- new THREE.MeshLambertMaterial({ color: 0xffff00 }) // Yellow
- ];
- const cube = new THREE.Mesh(cubeGeometry, cubeMaterials);
- cube.position.set(0, 0, -1);
- cube.castShadow = true; // Enable shadow casting
- scene.add(cube);
+// Initialize a WebXR session using "immersive-ar".
+const session = await navigator.xr.requestSession("immersive-ar", {requiredFeatures: ['hit-test']});
+session.updateRenderState({
+ 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 a sphere geometry.
-const sphereGeometry = new THREE.SphereBufferGeometry(0.3, 32, 32); // Adjust the radius and other parameters as needed.
+// 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 });
-// // Create a material for the sphere (you can customize the color).
-const sphereMaterial = new THREE.MeshBasicMaterial({ color: 0xffff00 });
-// // Create the sphere and add it to the scene.
-const sphere = new THREE.Mesh(sphereGeometry, sphereMaterial);
-sphere.position.set(1, 0, -1); // Position the sphere next to the cube.
-scene.add(sphere);
-const scene = new THREE.Scene();
-const directionalLight = new THREE.DirectionalLight(0xffffff, 0.3);
-directionalLight.position.set(10, 15, 10);
-scene.add(directionalLight);
+const loader = new THREE.GLTFLoader();
+let reticle;
+loader.load("https://immersive-web.github.io/webxr-samples/media/gltf/reticle/reticle.gltf", function(gltf) {
+ reticle = gltf.scene;
+ reticle.visible = false;
+ scene.add(reticle);
+})
-const session = await navigator.xr.requestSession("immersive-ar", {requiredFeatures: ['hit-test']});
-session.updateRenderState({
- baseLayer: new XRWebGLLayer(session, gl)
+let flower;
+loader.load("https://vazxmixjsiawhamofees.supabase.co/storage/v1/object/public/models/dog/model.gltf", function(gltf) {
+ flower = gltf.scene;
});
-// 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');
+session.addEventListener("select", (event) => {
+ if (flower) {
+ const clone = flower.clone();
+ clone.position.copy(reticle.position);
+ scene.add(clone);
+ }
+});
// Create a render loop that allows us to draw on the AR view.
const onXRFrame = (time, frame) => {
@@ -95,6 +106,16 @@ const onXRFrame = (time, frame) => {
camera.projectionMatrix.fromArray(view.projectionMatrix);
camera.updateMatrixWorld(true);
+ const hitTestResults = frame.getHitTestResults(hitTestSource);
+ if (hitTestResults.length > 0 && reticle) {
+ const hitPose = hitTestResults[0].getPose(referenceSpace);
+ reticle.visible = true;
+ reticle.position.set(hitPose.transform.position.x, hitPose.transform.position.y, hitPose.transform.position.z)
+ reticle.updateMatrixWorld(true);
+ }
+
+
+
// Render the scene with THREE.WebGLRenderer.
renderer.render(scene, camera)
}
@@ -103,8 +124,8 @@ session.requestAnimationFrame(onXRFrame);
+
}
- </script>
+</script>
</body>
-
</html>
--
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