diff --git a/public/index.html b/public/index.html
index 59d1326120502fe72468c136e2775fdfb0246fe6..f8a88bb393a5d428b3934b109d4f91d6f8d35bad 100644
--- a/public/index.html
+++ b/public/index.html
@@ -7,51 +7,55 @@
<style>
body {
margin: 0;
- font-family: Arial, sans-serif;
- background-color: #f0f0f0;
- color: #333;
- height: 100vh;
overflow: hidden;
+ font-family: Arial, sans-serif;
}
- .container {
- position: absolute;
- top: 50%;
+ /* Menüleiste */
+ .menu-bar {
+ position: fixed;
+ bottom: 0;
left: 50%;
- transform: translate(-50%, -50%);
- text-align: center;
- background: rgba(0, 0, 0, 0.6);
- color: white;
- padding: 20px;
- border-radius: 10px;
+ transform: translateX(-50%);
+ display: flex;
+ gap: 10px;
+ background: rgba(0, 0, 0, 0.7);
+ padding: 10px;
+ border-radius: 10px 10px 0 0;
+ z-index: 10;
}
- button {
- background-color: #4CAF50;
+ .menu-bar button {
+ background: #2196F3;
color: white;
- padding: 10px 20px;
border: none;
- border-radius: 5px;
+ padding: 10px 20px;
+ font-size: 16px;
cursor: pointer;
+ border-radius: 5px;
+ transition: background 0.3s;
+ }
+
+ .menu-bar button:hover {
+ background: #1E88E5;
}
</style>
<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>
- <div class="container">
- <h1>GeoVis AR Projekt</h1>
- <p>Starte AR, um dein Menü zu sehen!</p>
- <button onclick="activateXR()">Start AR</button>
+ <!-- Menüleiste -->
+ <div class="menu-bar">
+ <button onclick="selectModel('car')">Auto</button>
+ <button onclick="selectModel('lamp')">Laterne</button>
</div>
<script>
- let menu; // Menü-Objekt
+ let selectedModel = 'car'; // Standardauswahl
+ let models = {}; // Hier speichern wir die geladenen Modelle
+ let reticle;
async function activateXR() {
- // UI ausblenden
- document.querySelector('.container').style.display = 'none';
-
// WebGL-Renderer erstellen
const canvas = document.createElement('canvas');
document.body.appendChild(canvas);
@@ -69,52 +73,87 @@
light.position.set(10, 10, 10);
scene.add(light);
- // Menü erstellen
- const menuGeometry = new THREE.PlaneGeometry(0.5, 0.25); // Größe kleiner für AR
- const menuMaterial = new THREE.MeshBasicMaterial({ color: 0x2196F3, side: THREE.DoubleSide });
- menu = new THREE.Mesh(menuGeometry, menuMaterial);
- scene.add(menu);
+ // Reticle (Platzierungshilfe)
+ 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);
+ });
- // AR-Session starten
- const session = await navigator.xr.requestSession('immersive-ar', { requiredFeatures: ['local-floor'] });
- session.updateRenderState({
- baseLayer: new XRWebGLLayer(session, gl)
+ // 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.lamp = gltf.scene;
});
- const referenceSpace = await session.requestReferenceSpace('local-floor');
+
+ // 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);
+ // Hauptloop für AR-Rendering
function onXRFrame(time, frame) {
- const pose = frame.getViewerPose(referenceSpace);
-
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);
- // Kamera aktualisieren
camera.matrix.fromArray(view.transform.matrix);
camera.projectionMatrix.fromArray(view.projectionMatrix);
camera.updateMatrixWorld(true);
- // Menü vor der Kamera platzieren
- const cameraPosition = new THREE.Vector3();
- camera.getWorldPosition(cameraPosition);
+ 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);
+ }
- const cameraDirection = new THREE.Vector3();
- camera.getWorldDirection(cameraDirection);
-
- menu.position.copy(cameraPosition);
- menu.position.add(cameraDirection.multiplyScalar(1)); // 1 Meter vor der Kamera
- menu.lookAt(cameraPosition);
-
- // Szene rendern
renderer.render(scene, camera);
}
}
+
+ // Objekt bei Klick 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); // Skalierung anpassen
+ scene.add(clone);
+ }
+ });
+ }
+
+ // Modell auswählen
+ function selectModel(model) {
+ selectedModel = model;
+ console.log(`Ausgewähltes Modell: ${model}`);
+ }
+
+ // AR starten
+ if (navigator.xr) {
+ const startButton = document.createElement('button');
+ startButton.textContent = 'Starte 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 von diesem Gerät oder Browser nicht unterstützt.');
}
</script>
</body>