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<!DOCTYPE html> <!doctype html>
<html lang="de"> <html lang="de">
<head> <head>
<meta charset="UTF-8"> <meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>3D Modell Umschalter - Sonnenblume und Roboter</title> <title>GeoVis AR Projekt</title>
<style> <style>
body { body {
margin: 0; margin: 0;
overflow: hidden; font-family: Arial, sans-serif;
background-color: #e0e0e0; 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;
} }
canvas {
display: block; .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);
}
//teste
h1 {
font-size: 3em;
margin-bottom: 20px;
} }
</style>
</head>
<body> p {
<script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/r128/three.min.js"></script> font-size: 1.2em;
<script src="https://threejs.org/examples/js/controls/OrbitControls.js"></script> margin-bottom: 30px;
<script src="https://threejs.org/examples/js/loaders/GLTFLoader.js"></script> }
<script src="https://threejs.org/examples/js/webxr/VRButton.js"></script>
<script src="https://cdn.jsdelivr.net/npm/three-mesh-ui@1.5.0/dist/three-mesh-ui.js"></script>
<script> button {
import * as THREE from 'https://cdnjs.cloudflare.com/ajax/libs/three.js/r128/three.module.js'; background-color: #4CAF50;
import { VRButton } from 'https://threejs.org/examples/jsm/webxr/VRButton.js'; color: white;
import { OrbitControls } from 'https://threejs.org/examples/jsm/controls/OrbitControls.js'; font-size: 1.5em;
import { GLTFLoader } from 'https://threejs.org/examples/jsm/loaders/GLTFLoader.js'; padding: 15px 30px;
import ThreeMeshUI from 'https://cdn.jsdelivr.net/npm/three-mesh-ui@1.5.0/dist/three-mesh-ui.js'; border: none;
border-radius: 5px;
cursor: pointer;
transition: background-color 0.3s;
margin: 10px;
}
let scene, camera, renderer, controls; button:hover {
let sunflowerModel, robotModel; background-color: #45a049;
let currentModel = 'sunflower'; // Default is sunflower }
window.addEventListener('load', init); button:active {
window.addEventListener('resize', onWindowResize); background-color: #387a39;
}
const objsToTest = [];
const raycaster = new THREE.Raycaster();
const mouse = new THREE.Vector2();
let selectState = false;
window.addEventListener('pointermove', (event) => { </style>
mouse.x = (event.clientX / window.innerWidth) * 2 - 1; <script src="https://unpkg.com/three@0.126.0/build/three.js"></script>
mouse.y = -(event.clientY / window.innerHeight) * 2 + 1; <script src="https://unpkg.com/three@0.126.0/examples/js/loaders/GLTFLoader.js"></script>
}); </head>
<body>
<script>
let selectedModel = 'car'; // 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;
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);
window.addEventListener('pointerdown', () => { // Reticle (Cursor)
selectState = true; 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);
}); });
window.addEventListener('pointerup', () => { const container = new ThreeMeshUI.Block({
selectState = false; width: 1.2,
}); height: 0.7,
padding: 0.2,
fontFamily: './assets/Roboto-msdf.json',
fontTexture: './assets/Roboto-msdf.png',
});
window.addEventListener('touchstart', (event) => { //
selectState = true;
mouse.x = (event.touches[0].clientX / window.innerWidth) * 2 - 1;
mouse.y = -(event.touches[0].clientY / window.innerHeight) * 2 + 1;
});
window.addEventListener('touchend', () => { const text = new ThreeMeshUI.Text({
selectState = false; content: "Some text to be displayed"
mouse.x = null; });
mouse.y = null;
});
function init() { container.add( text );
scene = new THREE.Scene();
scene.background = new THREE.Color(0x505050);
camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000); // scene is a THREE.Scene (see three.js)
scene.add( container );
renderer = new THREE.WebGLRenderer({ antialias: true }); // This is typically done in the render loop :
renderer.setPixelRatio(window.devicePixelRatio); ThreeMeshUI.update();
renderer.setSize(window.innerWidth, window.innerHeight); // Modelle laden
renderer.outputEncoding = THREE.sRGBEncoding; loader.load("https://threejs.org/examples/models/gltf/RobotExpressive/RobotExpressive.glb", (gltf) => {
renderer.xr.enabled = true; models.car = gltf.scene;
document.body.appendChild(VRButton.createButton(renderer)); });
document.body.appendChild(renderer.domElement); loader.load("https://immersive-web.github.io/webxr-samples/media/gltf/sunflower/sunflower.gltf", (gltf) => {
models.lamp = gltf.scene;
});
controls = new OrbitControls(camera, renderer.domElement); // 3D-Menü erstellen
camera.position.set(0, 1.6, 0); const menuGeometry = new THREE.PlaneGeometry(0.5, 0.2); // Menügröße
controls.target = new THREE.Vector3(0, 1, -1.8); 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);
const room = new THREE.LineSegments( // Menü-Buttons als Flächen
new THREE.BoxGeometry(6, 6, 6, 10, 10, 10).translate(0, 3, 0), const buttonGeometry = new THREE.PlaneGeometry(0.15, 0.1);
new THREE.LineBasicMaterial({ color: 0x808080 }) const buttonMaterial1 = new THREE.MeshBasicMaterial({ color: 0x2196F3 });
); const buttonMaterial2 = new THREE.MeshBasicMaterial({ color: 0xFF9800 });
const roomMesh = new THREE.Mesh( const carButton = new THREE.Mesh(buttonGeometry, buttonMaterial1);
new THREE.BoxGeometry(6, 6, 6, 10, 10, 10).translate(0, 3, 0), carButton.position.set(-0.2, -0.5, -0.99); // Links unten
new THREE.MeshBasicMaterial({ side: THREE.BackSide }) scene.add(carButton);
);
scene.add(room); const lampButton = new THREE.Mesh(buttonGeometry, buttonMaterial2);
objsToTest.push(roomMesh); lampButton.position.set(0.2, -0.5, -0.99); // Rechts unten
scene.add(lampButton);
const light = new THREE.DirectionalLight(0xffffff, 1);
light.position.set(5, 5, 5).normalize();
scene.add(light);
const hemLight = new THREE.HemisphereLight(0x808080, 0x606060);
scene.add(hemLight);
// Models // Raycaster für Button-Interaktion
const loader = new GLTFLoader(); const raycaster = new THREE.Raycaster();
loader.load('https://immersive-web.github.io/webxr-samples/media/gltf/sunflower/sunflower.gltf', (gltf) => { const pointer = new THREE.Vector2();
sunflowerModel = gltf.scene;
sunflowerModel.scale.set(0.5, 0.5, 0.5);
sunflowerModel.position.set(0, 0, -2);
scene.add(sunflowerModel);
});
loader.load('https://threejs.org/examples/models/gltf/RobotExpressive/RobotExpressive.glb', (gltf) => {
robotModel = gltf.scene;
robotModel.scale.set(0.5, 0.5, 0.5);
robotModel.position.set(0, 0, -2);
scene.add(robotModel);
});
// UI Panel // AR-Session starten
makePanel(); 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 });
// Start animation loop session.requestAnimationFrame(onXRFrame);
renderer.setAnimationLoop(loop);
}
function makePanel() { session.addEventListener("select", (event) => {
const container = new ThreeMeshUI.Block({ if (!reticle) return;
justifyContent: 'center',
contentDirection: 'row-reverse',
fontFamily: './Roboto-msdf.json',
fontTexture: './Roboto-msdf.png',
fontSize: 0.07,
padding: 0.02,
borderRadius: 0.11
});
container.position.set(0, 0.6, -1.2); // Raycaster von der Kameraposition (Mitte des Bildschirms)
container.rotation.x = -0.55; raycaster.setFromCamera(pointer, camera);
scene.add(container); const intersects = raycaster.intersectObjects([carButton, lampButton]);
const buttonOptions = {
width: 0.4,
height: 0.15,
justifyContent: 'center',
offset: 0.05,
margin: 0.02,
borderRadius: 0.075
};
const hoveredStateAttributes = { // Prüfen, ob ein Button getroffen wurde
state: 'hovered', if (intersects.length > 0) {
attributes: { const clickedButton = intersects[0].object;
offset: 0.035,
backgroundColor: new THREE.Color(0x999999),
backgroundOpacity: 1,
fontColor: new THREE.Color(0xffffff)
}
};
const idleStateAttributes = { if (clickedButton === carButton) {
state: 'idle', selectedModel = 'car';
attributes: { console.log('Auto ausgewählt');
offset: 0.035, } else if (clickedButton === lampButton) {
backgroundColor: new THREE.Color(0x666666), selectedModel = 'lamp';
backgroundOpacity: 0.3, console.log('Laterne ausgewählt');
fontColor: new THREE.Color(0xffffff)
} }
};
const buttonSunflower = new ThreeMeshUI.Block(buttonOptions);
const buttonRobot = new ThreeMeshUI.Block(buttonOptions);
buttonSunflower.add(new ThreeMeshUI.Text({ content: 'Sonnenblume' }));
buttonRobot.add(new ThreeMeshUI.Text({ content: 'Roboter' }));
const selectedAttributes = {
offset: 0.02,
backgroundColor: new THREE.Color(0x777777),
fontColor: new THREE.Color(0x222222)
};
buttonSunflower.setupState({
state: 'selected',
attributes: selectedAttributes,
onSet: () => {
currentModel = 'sunflower';
showModel();
} }
}); // Kein Button getroffen -> Modell platzieren
buttonSunflower.setupState(hoveredStateAttributes); else if (models[selectedModel]) {
buttonSunflower.setupState(idleStateAttributes); const clone = models[selectedModel].clone();
clone.position.copy(reticle.position);
buttonRobot.setupState({ clone.scale.set(0.5, 0.5, 0.5); // Größe anpassen
state: 'selected', scene.add(clone);
attributes: selectedAttributes, console.log(`${selectedModel} platziert`);
onSet: () => {
currentModel = 'robot';
showModel();
} }
}); });
buttonRobot.setupState(hoveredStateAttributes);
buttonRobot.setupState(idleStateAttributes);
container.add(buttonSunflower, buttonRobot); // AR-Rendering
objsToTest.push(buttonSunflower, buttonRobot); function onXRFrame(time, frame) {
} session.requestAnimationFrame(onXRFrame);
gl.bindFramebuffer(gl.FRAMEBUFFER, session.renderState.baseLayer.framebuffer);
function showModel() { const pose = frame.getViewerPose(referenceSpace);
if (sunflowerModel) sunflowerModel.visible = currentModel === 'sunflower'; if (pose) {
if (robotModel) robotModel.visible = currentModel === 'robot'; const view = pose.views[0];
} const viewport = session.renderState.baseLayer.getViewport(view);
renderer.setSize(viewport.width, viewport.height);
function onWindowResize() { camera.matrix.fromArray(view.transform.matrix);
camera.aspect = window.innerWidth / window.innerHeight; camera.projectionMatrix.fromArray(view.projectionMatrix);
camera.updateProjectionMatrix(); camera.updateMatrixWorld(true);
renderer.setSize(window.innerWidth, window.innerHeight);
}
function loop() { // Menü bleibt fixiert vor der Kamera
ThreeMeshUI.update(); menu.position.set(0, -0.5, -1);
controls.update(); menu.lookAt(camera.position);
renderer.render(scene, camera);
updateButtons();
}
function updateButtons() { carButton.position.set(-0.2, -0.5, -0.99);
let intersect; lampButton.position.set(0.2, -0.5, -0.99);
if (mouse.x !== null && mouse.y !== null) { const hitTestResults = frame.getHitTestResults(hitTestSource);
raycaster.setFromCamera(mouse, camera); if (hitTestResults.length > 0) {
intersect = raycast(); 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);
} }
if (intersect && intersect.object.isUI) { renderer.render(scene, camera);
if (selectState) {
intersect.object.setState('selected');
} else {
intersect.object.setState('hovered');
} }
} }
objsToTest.forEach((obj) => {
if ((!intersect || obj !== intersect.object) && obj.isUI) {
obj.setState('idle');
}
});
} }
function raycast() { // AR starten
return objsToTest.reduce((closestIntersection, obj) => { if (navigator.xr) {
const intersection = raycaster.intersectObject(obj, true); const startButton = document.createElement('button');
if (!intersection[0]) return closestIntersection; startButton.textContent = 'Start AR';
if (!closestIntersection || intersection[0].distance < closestIntersection.distance) { startButton.style.cssText = "position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); padding: 15px; font-size: 18px;";
intersection[0].object = obj; document.body.appendChild(startButton);
return intersection[0]; startButton.onclick = () => {
} startButton.remove();
return closestIntersection; activateXR();
}, null); };
} else {
alert('WebXR wird nicht unterstützt.');
} }
</script> </script>
</body> </body>
</html> </html>
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