Update index.html

6af52c74 · Esguerra Montana · 71668405 · 6af52c74
Commit 6af52c74 authored 10 months ago by Esguerra Montana
Hide whitespace changes
Inline Side-by-side

Showing

with 76 additions and 95 deletions
+76 -95
--- a/public/index.html
+++ b/public/index.html
@@ -8,17 +8,13 @@
  <!-- three.js -->
  <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>
 </head>
 <body>
-<!-- Starting an immersive WebXR session requires user interaction.
-    We start this one with a simple button. -->
 <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);
  const gl = canvas.getContext("webgl", {xrCompatible: true});
@@ -29,98 +25,83 @@ async function activateXR() {
  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({
-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;
+  const camera = new THREE.PerspectiveCamera();
-// The API directly updates the camera matrices.
+  camera.matrixAutoUpdate = false;
-// Disable matrix auto updates so three.js doesn't attempt
-// to handle the matrices independently.
+  const session = await navigator.xr.requestSession("immersive-ar", {requiredFeatures: ['hit-test']});
-const camera = new THREE.PerspectiveCamera();
+  session.updateRenderState({
-camera.matrixAutoUpdate = false;
+    baseLayer: new XRWebGLLayer(session, gl)
+  });
-// Initialize a WebXR session using "immersive-ar".
-const session = await navigator.xr.requestSession("immersive-ar", {requiredFeatures: ['hit-test']});
+  const referenceSpace = await session.requestReferenceSpace('local');
-session.updateRenderState({
+  const viewerSpace = await session.requestReferenceSpace('viewer');
-  baseLayer: new XRWebGLLayer(session, gl)
+  const hitTestSource = await session.requestHitTestSource({ space: viewerSpace });
-});
+  const loader = new THREE.GLTFLoader();
-// A 'local' reference space has a native origin that is located
+  let reticle;
-// near the viewer's position at the time the session was created.
+  loader.load("https://immersive-web.github.io/webxr-samples/media/gltf/reticle/reticle.gltf", function(gltf) {
-const referenceSpace = await session.requestReferenceSpace('local');
+    reticle = gltf.scene;
+    reticle.visible = false;
-// Create another XRReferenceSpace that has the viewer as the origin.
+    scene.add(reticle);
-const viewerSpace = await session.requestReferenceSpace('viewer');
+    console.log("Reticle loaded successfully");
-// Perform hit testing using the viewer as origin.
+  }, undefined, function(error) {
-const hitTestSource = await session.requestHitTestSource({ space: viewerSpace });
+    console.error("Error loading reticle:", error);
+  });
+  let model;
+  loader.load("https://transfer.hft-stuttgart.de/pages/32esla1mpg/webarTTP/media/sunflower.gltf", function(gltf) {
-const loader = new THREE.GLTFLoader();
+    model = gltf.scene;
-let reticle;
+    console.log("Model loaded successfully");
-loader.load("https://immersive-web.github.io/webxr-samples/media/gltf/reticle/reticle.gltf", function(gltf) {
+  }, undefined, function(error) {
-  reticle = gltf.scene;
+    console.error("Error loading model:", error);
-  reticle.visible = false;
+  });
-  scene.add(reticle);
-})
+  session.addEventListener("select", (event) => {
+    if (model && reticle.visible) {
-let flower;
+      const clone = model.clone();
-loader.load("https://transfer.hft-stuttgart.de/pages/32esla1mpg/webarTTP/media/sunflower.gltf", function(gltf) {
+      clone.position.copy(reticle.position);
-  flower = gltf.scene;
+      scene.add(clone);
-});
+      console.log("Model placed in scene");
-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) => {
-  // Queue up the next draw request.
-  session.requestAnimationFrame(onXRFrame);
-  // Bind the graphics framebuffer to the baseLayer's framebuffer
-  gl.bindFramebuffer(gl.FRAMEBUFFER, session.renderState.baseLayer.framebuffer)
-  // Retrieve the pose of the device.
-  // XRFrame.getViewerPose can return null while the session attempts to establish tracking.
-  const pose = frame.getViewerPose(referenceSpace);
-  if (pose) {
-    // In mobile AR, we only have one view.
-    const view = pose.views[0];
-    const viewport = session.renderState.baseLayer.getViewport(view);
-    renderer.setSize(viewport.width, viewport.height)
-    // Use the view's transform matrix and projection matrix to configure the THREE.camera.
-    camera.matrix.fromArray(view.transform.matrix)
-    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.
+  const onXRFrame = (time, frame) => {
-    renderer.render(scene, camera)
+    session.requestAnimationFrame(onXRFrame);
-  }
-}
+    gl.bindFramebuffer(gl.FRAMEBUFFER, session.renderState.baseLayer.framebuffer);
-session.requestAnimationFrame(onXRFrame);
+    const pose = frame.getViewerPose(referenceSpace);
+    if (pose) {
+      const view = pose.views[0];
+      const viewport = session.renderState.baseLayer.getViewport(view);
+      renderer.setSize(viewport.width, viewport.height);
+      camera.matrix.fromArray(view.transform.matrix);
+      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);
+      } else if (reticle) {
+        reticle.visible = false;
+      }
+      renderer.render(scene, camera);
+    }
+  };
+  session.requestAnimationFrame(onXRFrame);
 }
 </script>
 </body>