diff --git a/public/index.html b/public/index.html index 18cc291e94c58b5539d515b261351396ce84358d..ac66b1084530036ea47498df249c4bf6c57d0f08 100644 --- a/public/index.html +++ b/public/index.html @@ -3,133 +3,153 @@ <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> - <title>3D-Menü in AR</title> + <title>AR mit HTML-Menü</title> <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> + <style> + body { + margin: 0; + overflow: hidden; + } + + /* HTML-Menü für Modelle */ + #menu { + position: fixed; + bottom: 10px; + left: 50%; + transform: translateX(-50%); + display: flex; + gap: 10px; + background: rgba(0, 0, 0, 0.7); + padding: 10px; + border-radius: 10px; + } + + button { + padding: 10px; + background: #2196F3; + color: white; + border: none; + border-radius: 5px; + cursor: pointer; + font-size: 14px; + } + + button:hover { + background: #1976D2; + } + </style> </head> <body> -<script> -let selectedModel = 'car'; // Standardmodell -let models = {}; -let reticle; - -// Aktiviert die AR-Session -async function activateXR() { - const canvas = document.createElement('canvas'); - document.body.appendChild(canvas); - - const gl = canvas.getContext('webgl', { xrCompatible: true }); - const renderer = new THREE.WebGLRenderer({ alpha: true, canvas, context: gl }); - renderer.autoClear = false; - - const scene = new THREE.Scene(); - const camera = new THREE.PerspectiveCamera(); - camera.matrixAutoUpdate = false; - - // Licht hinzufügen - const light = new THREE.DirectionalLight(0xffffff, 1); - light.position.set(10, 10, 10); - scene.add(light); - - // Reticle zum Platzieren der Modelle - const loader = new THREE.GLTFLoader(); - loader.load("https://immersive-web.github.io/webxr-samples/media/gltf/reticle/reticle.gltf", (gltf) => { - reticle = gltf.scene; - reticle.visible = false; - scene.add(reticle); - }); - - // Modelle laden - loader.load("https://threejs.org/examples/models/gltf/RobotExpressive/RobotExpressive.glb", (gltf) => models.car = gltf.scene); - loader.load("https://immersive-web.github.io/webxr-samples/media/gltf/sunflower/sunflower.gltf", (gltf) => models.tree = gltf.scene); - - // 3D-Menü erstellen - const buttonGeometry = new THREE.PlaneGeometry(0.2, 0.1); - const carMaterial = new THREE.MeshBasicMaterial({ color: 0x2196F3 }); - const treeMaterial = new THREE.MeshBasicMaterial({ color: 0x4CAF50 }); - - const carButton = new THREE.Mesh(buttonGeometry, carMaterial); - carButton.position.set(-0.3, -0.5, -1); // Links - scene.add(carButton); - - const treeButton = new THREE.Mesh(buttonGeometry, treeMaterial); - treeButton.position.set(0.3, -0.5, -1); // Rechts - scene.add(treeButton); - - // Raycaster für Interaktionen - const raycaster = new THREE.Raycaster(); - const pointer = new THREE.Vector2(); - - // AR-Session starten - const session = await navigator.xr.requestSession('immersive-ar', { requiredFeatures: ['hit-test'] }); - session.updateRenderState({ baseLayer: new XRWebGLLayer(session, gl) }); - const referenceSpace = await session.requestReferenceSpace('local'); - const viewerSpace = await session.requestReferenceSpace('viewer'); - const hitTestSource = await session.requestHitTestSource({ space: viewerSpace }); - - session.requestAnimationFrame(onXRFrame); - - session.addEventListener("select", () => { - raycaster.setFromCamera(pointer, camera); - const intersects = raycaster.intersectObjects([carButton, treeButton]); - - if (intersects.length > 0) { - const clickedButton = intersects[0].object; - if (clickedButton === carButton) { - selectedModel = 'car'; - console.log('Auto ausgewählt'); - } else if (clickedButton === treeButton) { - selectedModel = 'tree'; - console.log('Baum ausgewählt'); + <!-- Menü für Auswahl der Modelle --> + <div id="menu"> + <button onclick="selectModel('robot')">Roboter</button> + <button onclick="selectModel('tree')">Baum</button> + <button onclick="selectModel('lamp')">Lampe</button> + </div> + + <script> + let selectedModel = 'robot'; + let models = {}; + let reticle; + + async function activateXR() { + const canvas = document.createElement('canvas'); + document.body.appendChild(canvas); + + const gl = canvas.getContext('webgl', { xrCompatible: true }); + const renderer = new THREE.WebGLRenderer({ alpha: true, canvas, context: gl }); + renderer.autoClear = false; + + const scene = new THREE.Scene(); + const camera = new THREE.PerspectiveCamera(); + camera.matrixAutoUpdate = false; + + // Licht hinzufügen + const light = new THREE.DirectionalLight(0xffffff, 1); + light.position.set(10, 10, 10); + scene.add(light); + + // Reticle (Cursor zum Platzieren) + const loader = new THREE.GLTFLoader(); + loader.load("https://immersive-web.github.io/webxr-samples/media/gltf/reticle/reticle.gltf", (gltf) => { + reticle = gltf.scene; + reticle.visible = false; + scene.add(reticle); + }); + + // Modelle laden + loader.load("https://threejs.org/examples/models/gltf/RobotExpressive/RobotExpressive.glb", (gltf) => models.robot = gltf.scene); + loader.load("https://immersive-web.github.io/webxr-samples/media/gltf/sunflower/sunflower.gltf", (gltf) => models.tree = gltf.scene); + loader.load("https://immersive-web.github.io/webxr-samples/media/gltf/lamp/lamp.gltf", (gltf) => models.lamp = gltf.scene); + + // AR-Session starten + const session = await navigator.xr.requestSession('immersive-ar', { requiredFeatures: ['hit-test'] }); + session.updateRenderState({ baseLayer: new XRWebGLLayer(session, gl) }); + const referenceSpace = await session.requestReferenceSpace('local'); + const viewerSpace = await session.requestReferenceSpace('viewer'); + const hitTestSource = await session.requestHitTestSource({ space: viewerSpace }); + + session.requestAnimationFrame(onXRFrame); + + // Modell platzieren + session.addEventListener("select", () => { + if (reticle && models[selectedModel]) { + const clone = models[selectedModel].clone(); + clone.position.copy(reticle.position); + clone.scale.set(0.5, 0.5, 0.5); // Größe anpassen + scene.add(clone); + console.log(`${selectedModel} platziert`); + } + }); + + // AR-Rendering + function onXRFrame(time, frame) { + session.requestAnimationFrame(onXRFrame); + gl.bindFramebuffer(gl.FRAMEBUFFER, session.renderState.baseLayer.framebuffer); + + const pose = frame.getViewerPose(referenceSpace); + if (pose) { + const view = pose.views[0]; + const viewport = session.renderState.baseLayer.getViewport(view); + renderer.setSize(viewport.width, viewport.height); + + camera.matrix.fromArray(view.transform.matrix); + camera.projectionMatrix.fromArray(view.projectionMatrix); + camera.updateMatrixWorld(true); + + const hitTestResults = frame.getHitTestResults(hitTestSource); + if (hitTestResults.length > 0) { + const hitPose = hitTestResults[0].getPose(referenceSpace); + reticle.visible = true; + reticle.position.set(hitPose.transform.position.x, hitPose.transform.position.y, hitPose.transform.position.z); + reticle.updateMatrixWorld(true); + } + + renderer.render(scene, camera); + } } - } else if (reticle && models[selectedModel]) { - const clone = models[selectedModel].clone(); - clone.position.copy(reticle.position); - clone.scale.set(0.5, 0.5, 0.5); - scene.add(clone); - console.log(`${selectedModel} platziert`); } - }); - - function onXRFrame(time, frame) { - session.requestAnimationFrame(onXRFrame); - gl.bindFramebuffer(gl.FRAMEBUFFER, session.renderState.baseLayer.framebuffer); - - 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) { - const hitPose = hitTestResults[0].getPose(referenceSpace); - reticle.visible = true; - reticle.position.set(hitPose.transform.position.x, hitPose.transform.position.y, hitPose.transform.position.z); - } - renderer.render(scene, camera); + // Funktion, um das Modell zu wechseln + function selectModel(modelName) { + selectedModel = modelName; + console.log(`Ausgewähltes Modell: ${selectedModel}`); + } + + // AR starten + if (navigator.xr) { + const startButton = document.createElement('button'); + startButton.textContent = 'Start AR'; + startButton.style.cssText = "position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); padding: 15px; font-size: 18px;"; + document.body.appendChild(startButton); + startButton.onclick = () => { + startButton.remove(); + activateXR(); + }; + } else { + alert('WebXR wird nicht unterstützt.'); } - } -} - -// AR starten -if (navigator.xr) { - const startButton = document.createElement('button'); - startButton.textContent = 'Start AR'; - startButton.style.cssText = "position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); padding: 15px; font-size: 18px;"; - document.body.appendChild(startButton); - startButton.onclick = () => { - startButton.remove(); - activateXR(); - }; -} else { - alert('WebXR wird nicht unterstützt.'); -} -</script> + </script> </body> </html>