diff --git a/public/index.html b/public/index.html
index b4b39c0f51252217453a5751704d57773426d23e..577824ad373c0dca080081e6827a36f23ae7992a 100644
--- a/public/index.html
+++ b/public/index.html
@@ -3,7 +3,7 @@
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
- <title>AR Kamera mit Menüleiste</title>
+ <title>AR mit Menüleiste</title>
<style>
* {
margin: 0;
@@ -13,24 +13,29 @@
body {
font-family: Arial, sans-serif;
- background-color: #000;
- color: #fff;
- display: flex;
- flex-direction: column;
- height: 100vh;
overflow: hidden;
+ background-color: #000;
+ color: white;
}
- /* Container für die AR-Kamera */
- #camera-container {
- flex: 1; /* Nimmt den oberen Teil des Bildschirms ein */
- position: relative;
- background-color: #111;
+ /* Der AR-Bereich: Reduziert durch Skalierung */
+ #ar-container {
+ position: absolute;
+ top: 0;
+ left: 0;
+ right: 0;
+ bottom: 80px; /* Platz für die Menüleiste */
+ overflow: hidden;
+ background-color: #000;
}
- /* Menüleiste unterhalb der Kamera */
+ /* Menüleiste */
#menu-bar {
- height: 80px; /* Höhe der Menüleiste */
+ position: absolute;
+ bottom: 0;
+ left: 0;
+ width: 100%;
+ height: 80px;
background-color: rgba(0, 0, 0, 0.8);
display: flex;
justify-content: space-around;
@@ -40,13 +45,12 @@
button {
background-color: #2196F3;
- color: #fff;
- font-size: 16px;
+ color: white;
padding: 10px 20px;
+ font-size: 18px;
border: none;
border-radius: 5px;
cursor: pointer;
- transition: background-color 0.3s;
}
button:hover {
@@ -55,40 +59,44 @@
</style>
</head>
<body>
- <!-- AR-Kamera-Container -->
- <div id="camera-container"></div>
+ <!-- Container für die AR-Ansicht -->
+ <div id="ar-container"></div>
<!-- Menüleiste -->
<div id="menu-bar">
- <button onclick="selectModel('car')">Auto</button>
- <button onclick="selectModel('lamp')">Lampe</button>
+ <button onclick="setModel('car')">Auto</button>
+ <button onclick="setModel('lamp')">Lampe</button>
</div>
+ <!-- Three.js & AR-Skripte -->
<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>
+
<script>
let selectedModel = 'car';
let models = {};
+ let reticle;
async function activateXR() {
- const cameraContainer = document.getElementById('camera-container');
+ const container = document.getElementById('ar-container');
+
+ const canvas = document.createElement('canvas');
+ container.appendChild(canvas);
- // Renderer erstellen
- const renderer = new THREE.WebGLRenderer({ alpha: true });
- renderer.setSize(cameraContainer.clientWidth, cameraContainer.clientHeight);
- cameraContainer.appendChild(renderer.domElement);
+ const gl = canvas.getContext('webgl', { xrCompatible: true });
+ const renderer = new THREE.WebGLRenderer({ alpha: true, canvas, context: gl });
+ renderer.autoClear = false;
- // Szene und Kamera erstellen
const scene = new THREE.Scene();
- const camera = new THREE.PerspectiveCamera(70, cameraContainer.clientWidth / cameraContainer.clientHeight, 0.01, 100);
- camera.position.z = 2;
+ const camera = new THREE.PerspectiveCamera();
+ camera.matrixAutoUpdate = false;
- // Licht hinzufügen
+ // Licht
const light = new THREE.DirectionalLight(0xffffff, 1);
light.position.set(10, 10, 10);
scene.add(light);
- // Modelle laden
+ // GLTF-Loader für Modelle
const loader = new THREE.GLTFLoader();
loader.load("https://threejs.org/examples/models/gltf/RobotExpressive/RobotExpressive.glb", (gltf) => {
models.car = gltf.scene;
@@ -97,40 +105,73 @@
models.lamp = gltf.scene;
});
- // Animation
- function animate() {
- requestAnimationFrame(animate);
- renderer.render(scene, camera);
- }
- animate();
-
- // Dummy-Reticle (nur zur Demo)
- const reticleGeometry = new THREE.CircleGeometry(0.05, 32);
- const reticleMaterial = new THREE.MeshBasicMaterial({ color: 0xff0000 });
- const reticle = new THREE.Mesh(reticleGeometry, reticleMaterial);
- reticle.position.set(0, -0.5, -2);
- scene.add(reticle);
-
- // Modell platzieren
- window.addEventListener('click', () => {
- if (models[selectedModel]) {
- const modelClone = models[selectedModel].clone();
- modelClone.position.set(0, -0.5, -2);
- modelClone.scale.set(0.5, 0.5, 0.5);
- scene.add(modelClone);
+ // Reticle (Cursor für Platzierung)
+ loader.load("https://immersive-web.github.io/webxr-samples/media/gltf/reticle/reticle.gltf", (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) });
+ 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", () => {
+ if (reticle && models[selectedModel]) {
+ const clone = models[selectedModel].clone();
+ clone.position.copy(reticle.position);
+ scene.add(clone);
console.log(`${selectedModel} platziert`);
}
});
+
+ function onXRFrame(time, frame) {
+ session.requestAnimationFrame(onXRFrame);
+ gl.bindFramebuffer(gl.FRAMEBUFFER, session.renderState.baseLayer.framebuffer);
+
+ const pose = frame.getViewerPose(referenceSpace);
+ if (pose) {
+ const view = pose.views[0];
+ const viewport = session.renderState.baseLayer.getViewport(view);
+ renderer.setSize(container.clientWidth, container.clientHeight);
+
+ camera.matrix.fromArray(view.transform.matrix);
+ camera.projectionMatrix.fromArray(view.projectionMatrix);
+ camera.updateMatrixWorld(true);
+
+ const hitTestResults = frame.getHitTestResults(hitTestSource);
+ if (hitTestResults.length > 0) {
+ const hitPose = hitTestResults[0].getPose(referenceSpace);
+ reticle.visible = true;
+ reticle.position.set(hitPose.transform.position.x, hitPose.transform.position.y, hitPose.transform.position.z);
+ }
+
+ renderer.render(scene, camera);
+ }
+ }
}
- // Modell auswählen
- function selectModel(model) {
+ function setModel(model) {
selectedModel = model;
console.log(`${model} ausgewählt`);
}
- // AR aktivieren
- activateXR();
+ 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%); z-index: 100;";
+ document.body.appendChild(startButton);
+ startButton.onclick = () => {
+ startButton.remove();
+ activateXR();
+ };
+ } else {
+ alert('WebXR wird nicht unterstützt.');
+ }
</script>
</body>
</html>