diff --git a/place.html b/place.html index 4f7b3537fb906197c686d7338a6299dd1c8c67c7..6ddbd57c9dd74fad28aa1ca05e49eba4ed5873bd 100644 --- a/place.html +++ b/place.html @@ -6,8 +6,12 @@ content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"> <title>Cube Demo</title> - <!-- three.js --> - <script src="https://unpkg.com/three@0.126.0/build/three.js"></script> +<!-- 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> @@ -21,22 +25,12 @@ async function activateXR() { document.body.appendChild(canvas); const gl = canvas.getContext("webgl", {xrCompatible: true}); - const scene = new THREE.Scene(); +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}) -]; +const directionalLight = new THREE.DirectionalLight(0xffffff, 0.3); +directionalLight.position.set(10, 15, 10); +scene.add(directionalLight); -// Create the cube and add it to the demo scene. -const cube = new THREE.Mesh(new THREE.BoxBufferGeometry(0.5, 0.5, 0.5), materials); -cube.position.set(0, 0, -1); -scene.add(cube); // Set up the WebGLRenderer, which handles rendering to the session's base layer. const renderer = new THREE.WebGLRenderer({ @@ -54,17 +48,43 @@ const camera = new THREE.PerspectiveCamera(); camera.matrixAutoUpdate = false; // Initialize a WebXR session using "immersive-ar". -const session = await navigator.xr.requestSession("immersive-ar"); -session.updateRenderState({ - baseLayer: new XRWebGLLayer(session, gl) -}); +const session = await navigator.xr.requestSession("immersive-ar", {requiredFeatures: ['hit-test']}); // 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; +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); +}) + +let flower; +loader.load("https://immersive-web.github.io/webxr-samples/media/gltf/sunflower/sunflower.gltf", function(gltf) { + flower = gltf.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); @@ -86,6 +106,15 @@ 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) }