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Update public/index.html

Merged Percen requested to merge 21pesi1bif-master-patch-05610 into master
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public/index.html
+ 123
- 41
<!DOCTYPE html>
<!doctype html>
<html lang="de">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<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>
<title>GeoVis AR Projekt</title>
<style>
body {
margin: 0;
overflow: hidden;
font-family: Arial, sans-serif;
background-color: #f0f0f0;
color: #333;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
background-image: url('https://www.hft-stuttgart.de/fileadmin/Dateien/Hochschule/-_R_Juergen_Pollak_HFT_18.04.18-0091.jpg');
background-size: cover;
background-position: center;
}
/* 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;
.container {
text-align: center;
background-color: rgba(0, 0, 0, 0.5);
padding: 50px;
border-radius: 10px;
color: white;
max-width: 80%;
box-shadow: 0px 0px 15px rgba(0, 0, 0, 0.5);
}
h1 {
font-size: 3em;
margin-bottom: 20px;
}
p {
font-size: 1.2em;
margin-bottom: 30px;
}
button {
padding: 10px;
background: #2196F3;
background-color: #4CAF50;
color: white;
font-size: 1.5em;
padding: 15px 30px;
border: none;
border-radius: 5px;
cursor: pointer;
font-size: 14px;
transition: background-color 0.3s;
margin: 10px;
}
button:hover {
background: #1976D2;
background-color: #45a049;
}
button:active {
background-color: #387a39;
}
.menu-bar {
position: fixed;
top: 0;
left: 0;
right: 0;
display: flex;
justify-content: center;
background-color: rgba(0, 0, 0, 0.7);
padding: 10px;
z-index: 10;
}
.menu-bar button {
background-color: #2196F3;
margin: 0 10px;
}
.menu-bar button:hover {
background-color: #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>
<!-- 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 selectedModel = 'robot'; // Standardauswahl
let models = {};
let reticle;
let menu;
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;
@@ -70,7 +106,7 @@
light.position.set(10, 10, 10);
scene.add(light);
// Reticle (Cursor zum Platzieren)
// Reticle (Cursor)
const loader = new THREE.GLTFLoader();
loader.load("https://immersive-web.github.io/webxr-samples/media/gltf/reticle/reticle.gltf", (gltf) => {
reticle = gltf.scene;
@@ -79,9 +115,36 @@
});
// 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);
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.sunflower = gltf.scene;
});
// AR-Menü erstellen
const menuGeometry = new THREE.PlaneGeometry(0.5, 0.2); // Menügröße
const menuMaterial = new THREE.MeshBasicMaterial({ color: 0x333333, opacity: 0.8, transparent: true });
menu = new THREE.Mesh(menuGeometry, menuMaterial);
menu.position.set(0, -0.5, -1); // Unten im Kamerasichtfeld
scene.add(menu);
// Menü-Buttons als Flächen
const buttonGeometry = new THREE.PlaneGeometry(0.15, 0.1);
const buttonMaterial1 = new THREE.MeshBasicMaterial({ color: 0x2196F3 });
const buttonMaterial2 = new THREE.MeshBasicMaterial({ color: 0xFF9800 });
const robotButton = new THREE.Mesh(buttonGeometry, buttonMaterial1);
robotButton.position.set(-0.2, -0.5, -0.99); // Links unten
scene.add(robotButton);
const sunflowerButton = new THREE.Mesh(buttonGeometry, buttonMaterial2);
sunflowerButton.position.set(0.2, -0.5, -0.99); // Rechts unten
scene.add(sunflowerButton);
// Raycaster für Button-Interaktion
const raycaster = new THREE.Raycaster();
const pointer = new THREE.Vector2();
// AR-Session starten
const session = await navigator.xr.requestSession('immersive-ar', { requiredFeatures: ['hit-test'] });
@@ -92,9 +155,27 @@
session.requestAnimationFrame(onXRFrame);
// Modell platzieren
session.addEventListener("select", () => {
if (reticle && models[selectedModel]) {
session.addEventListener("select", (event) => {
if (!reticle) return;
// Raycaster von der Kameraposition (Mitte des Bildschirms)
raycaster.setFromCamera(pointer, camera);
const intersects = raycaster.intersectObjects([robotButton, sunflowerButton]);
// Prüfen, ob ein Button getroffen wurde
if (intersects.length > 0) {
const clickedButton = intersects[0].object;
if (clickedButton === robotButton) {
selectedModel = 'robot';
console.log('Robot ausgewählt');
} else if (clickedButton === sunflowerButton) {
selectedModel = 'sunflower';
console.log('Sunflower ausgewählt');
}
}
// Kein Button getroffen -> Modell platzieren
else if (models[selectedModel]) {
const clone = models[selectedModel].clone();
clone.position.copy(reticle.position);
clone.scale.set(0.5, 0.5, 0.5); // Größe anpassen
@@ -118,6 +199,13 @@
camera.projectionMatrix.fromArray(view.projectionMatrix);
camera.updateMatrixWorld(true);
// Menü bleibt fixiert vor der Kamera
menu.position.set(0, -0.5, -1);
menu.lookAt(camera.position);
robotButton.position.set(-0.2, -0.5, -0.99);
sunflowerButton.position.set(0.2, -0.5, -0.99);
const hitTestResults = frame.getHitTestResults(hitTestSource);
if (hitTestResults.length > 0) {
const hitPose = hitTestResults[0].getPose(referenceSpace);
@@ -131,12 +219,6 @@
}
}
// 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');

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