Update index.html

MascheroniNatan · Oct 24, 2024 · 5ead4bd · 5ead4bd
1 parent 3a0f222
commit 5ead4bd
Showing 1 changed file with 98 additions and 1 deletion.
diff --git a/index.html b/index.html
@@ -1 +1,98 @@
-Testing this Page
+<!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>Hello WebXR!</title>
+
+    <!-- three.js -->
+    <script src="https://unpkg.com/[email protected]/build/three.js"></script>
+    </head>
+    <body>
+
+    <!-- Starting an immersive WebXR session requires user interaction.
+        We start this one with a simple button. -->
+        <button onclick="activateXR()">Start Hello WebXR</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});
+
+                const scene = new THREE.Scene();
+
+                // The cube will have a different color on each side.
+                const materials = [
+                new THREE.MeshBasicMaterial({color: 0xff0000}),
+                new THREE.MeshBasicMaterial({color: 0x0000ff}),
+                new THREE.MeshBasicMaterial({color: 0x00ff00}),
+                new THREE.MeshBasicMaterial({color: 0xff00ff}),
+                new THREE.MeshBasicMaterial({color: 0x00ffff}),
+                new THREE.MeshBasicMaterial({color: 0xffff00})
+                ];
+
+                // Create the cube and add it to the demo scene.
+                const cube = new THREE.Mesh(new THREE.BoxBufferGeometry(0.2, 0.2, 0.2), materials);
+                cube.position.set(1, 1, 1);
+                scene.add(cube);
+
+                const renderer = new THREE.WebGLRenderer({
+                    alpha: true,
+                    preserveDrawingBuffer: true,
+                    canvas: canvas,
+                    context: gl
+                });
+                renderer.autoClear = false;
+
+                // 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;
+
+                const session = await navigator.xr.requestSession("immersive-ar");
+                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 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);
+
+                    // Render the scene with THREE.WebGLRenderer.
+                    renderer.render(scene, camera)
+                }
+                }
+                session.requestAnimationFrame(onXRFrame);
+
+            }
+
+
+        </script>
+    </body>
+</html>