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Cantuerk authored
Update public/assets/models/calisthenics_park_model/scene.bin, public/assets/models/calisthenics_park_model/scene.gltf, public/assets/models/calisthenics_park_model/license.txt, public/assets/models/calisthenics_park_model/textures/Palette256_baseColor.png, public/index.html, public/previewImages/calisthenics_park.png
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<!doctype html><html lang="de"><head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>GeoVis AR Projekt</title> <style> body { margin: 0; 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; } .container { text-align: center; background-color: rgba(255, 255, 255, 0.9); padding: 50px; border-radius: 10px; color: #333; max-width: 80%; box-shadow: 0px 0px 15px rgba(0, 0, 0, 0.2); } h1 { font-size: 3em; margin-bottom: 20px; color: #444; } p { font-size: 1.2em; margin-bottom: 30px; } #add-menu { overflow-y: auto; } #menu-bar, .menu-placeholder { position: absolute; bottom: 0; width: 100%; height: 80px; display: flex; justify-content: space-around; align-items: center; background: #121212; padding: 10px; box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.8); color: white; z-index: 10; border-top: 1px solid #2a2a2a; } .menu-item { background: #2c2c2c; border-radius: 20px; padding: 8px; transition: background-color 0.3s, transform 0.2s;
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}
.menu-item:hover {
background-color: #3a3a3a;
transform: scale(1.1);
}
.menu-item img {
width: 50px;
height: 50px;
}
.menu-placeholder .menu-item img {
width: 50px;
height: 50px;
}
button {
background-color: #4CAF50;
color: white;
font-size: 1em;
padding: 10px 20px;
border: none;
border-radius: 5px;
cursor: pointer;
transition: background-color 0.3s ease-in-out, transform 0.2s;
box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
margin: 10px;
}
button:hover {
background-color: #45a049;
}
button:active {
background-color: #387a39;
}
/* Confirmation Dialog */
#confirmation-dialog,
#delete-confirmation-dialog,
#info-dialog {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
display: flex;
justify-content: center;
align-items: center;
z-index: 20;
}
.dialog-overlay {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: rgba(0, 0, 0, 0.7);
}
.dialog-box {
position: relative;
background: #2c2c2c;
padding: 20px;
border-radius: 10px;
text-align: center;
color: white;
box-shadow: 0 4px 6px rgba(0, 0, 0, 0.8);
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}
.dialog-box p {
margin-bottom: 20px;
font-size: 1.2em;
color: #f0f0f0;
}
.dialog-box button {
margin: 5px;
padding: 10px 20px;
font-size: 16px;
border: none;
border-radius: 5px;
cursor: pointer;
transition: background-color 0.3s ease, transform 0.2s;
}
.dialog-box button:first-child {
background-color: #e74c3c;
color: white;
}
.dialog-box button:first-child:hover {
background-color: #c0392b;
transform: scale(1.05);
}
.dialog-box button:last-child {
background-color: #3498db;
color: white;
}
.dialog-box button:last-child:hover {
background-color: #2980b9;
transform: scale(1.05);
}
#dynamic-menu {
position: absolute;
bottom: 80px;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
gap: 20px;
background: #1e1e1e;
box-shadow: 0 -2px 6px rgba(0, 0, 0, 0.8);
color: white;
width: 100vw;
height: 200px;
z-index: 20;
overflow-y: auto;
border-radius: 8px;
}
#dynamic-menu input[type="range"] {
width: 100%;
margin: 10px auto;
background: #3a3a3a;
border-radius: 5px;
}
#dynamic-menu input[type="range"]::-webkit-slider-thumb {
-webkit-appearance: none;
appearance: none;
width: 20px;
height: 20px;
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background: #fff;
border: 2px solid #555;
border-radius: 50%;
cursor: pointer;
}
</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>
<!-- Debug -->
<div id="debug-container" style="
position: fixed;
top: 0;
left: 0;
width: 100%;
z-index: 9999;
font-family: monospace;
font-size: 12px;
display: flex;
flex-direction: column;
align-items: flex-start;
">
<div id="debug-console" style="
width: 100%;
max-height: 200px;
overflow-y: auto;
background: rgba(0, 0, 0, 0.7);
color: #00ff00;
padding: 5px;
display: none;
"></div>
<button id="debug-toggle-btn" style="
background: rgba(0, 0, 0, 0.7);
color: #00ff00;
font-size: 14px;
border: none;
padding: 5px 10px;
cursor: pointer;
display: none;
"></button>
</div>
<!-- Standardmenü -->
<div id="menu-bar" style="display: none;">
<div class="menu-item" id="add-section" onclick="showMenu('add-menu')">
<img src="previewImages/add-icon.png" alt="Hinzufügen" />
</div>
<div class="menu-item" onclick="showMenu('map-window')">
<img src="previewImages/map-icon.png" alt="Karte" />
</div>
<div class="menu-item" id="options-section" onclick="showMenu('options-menu')">
<img src="previewImages/options-icon.png" alt="Optionen" />
</div>
</div>
<!-- Hinzufügen-Menü -->
<div id="add-menu" class="menu-placeholder" style="display: none;"></div>
<!-- Bearbeiten-Menü -->
<div id="edit-menu" class="menu-placeholder" style="display: none;">
<div class="menu-item" onclick="openRotationMenu()">
<img src="previewImages/rotate-icon.png" alt="Rotation" />
</div>
<div class="menu-item" onclick="openScaleMenu()">
<img src="previewImages/scale-icon.png" alt="Skalierung" />
</div>
<div class="menu-item" onclick="deleteModel()">
<img src="previewImages/delete-icon.png" alt="Löschen" />
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</div>
<div class="menu-item" onclick="completeEditing()">
<img src="previewImages/check-icon.png" alt="Fertigstellen" />
</div>
</div>
<!-- Optionen-Menü -->
<div id="options-menu" class="menu-placeholder" style="display: none;">
<div class="menu-item" onclick="exitAR()">
<img src="previewImages/exit-icon.png" alt="Beenden" />
</div>
<div class="menu-item" onclick="showMenu('menu-bar')">
<img src="previewImages/back-icon.png" alt="Zurück" />
</div>
</div>
<!-- Dynamisches Menü -->
<div id="dynamic-menu" style="display: none;"></div>
<!-- Bestätigungsdialog für Löschen -->
<div id="delete-confirmation-dialog" style="display: none;">
<div class="dialog-overlay"></div>
<div class="dialog-box">
<p id="delete-confirmation-text">Möchten Sie das Modell wirklich löschen?</p>
<button onclick="confirmDelete(true)">Ja</button>
<button onclick="confirmDelete(false)">Nein</button>
</div>
</div>
<!-- Bestätigungsdialog für Beenden -->
<div id="confirmation-dialog" style="display: none;">
<div class="dialog-overlay"></div>
<div class="dialog-box">
<p>Möchten Sie die AR-Session wirklich verlassen?</p>
<button onclick="confirmExit(true)">Ja</button>
<button onclick="confirmExit(false)">Nein</button>
</div>
</div>
<!-- Informations-Dialog -->
<div id="info-dialog" style="display: none;">
<div class="dialog-overlay"></div>
<div class="dialog-box">
<p id="info-text">Hier kommt die Nachricht hin</p>
<button onclick="closeInfoDialog()">OK</button>
</div>
</div>
<div id="map-window" class="menu-placeholder"
style="display: none; flex-direction: column; width: 100vw; height: 100vh;">
<div id="map-container" style="z-index: 1500; flex: 15; width: 100%; height: 100%;"></div>
<div class="menu-item" onclick="showMenu('menu-bar')"
style="cursor: pointer; flex: 1; align-items: center; justify-content: center;">
<img src="previewImages/back-icon.png" alt="Zurück" style="width: 30px; height: 30px;" />
</div>
</div>
<script src="ar_debug_console.js"></script>
<link rel="stylesheet" href="https://unpkg.com/leaflet/dist/leaflet.css" />
<script src="https://unpkg.com/leaflet/dist/leaflet.js"></script> <!-- Leaflet einbinden -->
<script src="ar_overviewmap.js"></script>
<!-- Audio-Element für Button-Klick -->
<audio id="button-sound" src="sounds/button-sound.mp3" preload="auto"></audio>
<script>
// Variablen
let selectedModel = 'robot';
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let selectedPlacedModel = null;
let currentSession = null;
let reticle = null;
let scene, camera;
let models = {
bench: {
name: "Bench",
image: "previewImages/bench.PNG",
file: "https://transfer.hft-stuttgart.de/gitlab/geovistoogsi/ar/-/raw/master/public/assets/models/bench_model/scene.gltf",
scale: { x: 0.1, y: 0.1, z: 0.1 },
minScale: 0.05, // 50% der aktuellen Größe
maxScale: 0.5 // 500% der aktuellen Größe
},
trashbin: {
name: "Trash bin",
image: "previewImages/trash_can.PNG",
file: "https://transfer.hft-stuttgart.de/gitlab/geovistoogsi/ar/-/raw/master/public/assets/models/trash_model/scene.gltf",
scale: { x: 0.03, y: 0.03, z: 0.03 },
minScale: 0.01, // 50% der aktuellen Größe
maxScale: 0.1 // 500% der aktuellen Größe
},
telephone_box: {
name: "Telephone Box",
image: "previewImages/telephone_box.PNG",
file: "https://transfer.hft-stuttgart.de/gitlab/geovistoogsi/ar/-/raw/master/public/assets/models/telephone_box_model/scene.gltf",
scale: { x: 0.5, y: 0.5, z: 0.5 },
minScale: 0.05,
maxScale: 1
},
fire_hydrant_model: {
name: "Fire Hydrant",
image: "previewImages/hydrant.PNG",
file: "https://transfer.hft-stuttgart.de/gitlab/geovistoogsi/ar/-/raw/master/public/assets/models/fire_hydrant_model/scene.gltf",
scale: { x: 0.3, y: 0.3, z: 0.3 },
minScale: 0.1,
maxScale: 1
},
statue: {
name: "Statue",
image: "previewImages/statue.PNG",
file: "https://transfer.hft-stuttgart.de/gitlab/geovistoogsi/ar/-/raw/master/public/assets/models/statue_model/scene.gltf",
scale: { x: 0.5, y: 0.5, z: 0.5 },
minScale: 0.05,
maxScale: 2
},
fountain: {
name: "Fountain",
image: "previewImages/fountain.PNG",
file: "https://transfer.hft-stuttgart.de/gitlab/geovistoogsi/ar/-/raw/master/public/assets/models/fountain_model/scene.gltf",
scale: { x: 0.001, y: 0.001, z: 0.001 },
minScale: 0.0005,
maxScale: 0.005
},
lantern: {
name: "Lantern",
image: "previewImages/lantern.jpg",
file: "https://raw.githubusercontent.com/KhronosGroup/glTF-Sample-Assets/refs/heads/main/Models/Lantern/glTF/Lantern.gltf",
scale: { x: 0.15, y: 0.15, z: 0.15 },
minScale: 0.05,
maxScale: 0.3
}
calisthenics_park: {
name: "Calisthenics Park",
image: "previewImages/calisthenics_park.png",
file: "https://transfer.hft-stuttgart.de/gitlab/geovistoogsi/ar/-/raw/master/public/assets/models/calisthenics_park_model/scene.gltf",
scale: { x: 0.15, y: 0.15, z: 0.15 },
minScale: 0.05,
maxScale: 0.3
}
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};
const menus = ['menu-bar', 'add-menu', 'edit-menu', 'options-menu', 'map-window'];
window.onload = () => {
initializeAddMenu();
// Fügt Sound zu allen Buttons hinzu
const buttons = document.querySelectorAll("button, .menu-item");
buttons.forEach(button => {
button.addEventListener("click", playButtonSound);
});
};
function initializeAddMenu() {
const addMenu = document.getElementById('add-menu');
addMenu.innerHTML = Object.entries(models)
.map(
([key, model]) => `
<div class="menu-item" id="${key}-item" onclick="selectModel('${key}')">
<img src="${model.image}" alt="${model.name}" />
</div>
`
)
.join('') +
`
<div class="menu-item" onclick="showMenu('menu-bar')">
<img src="previewImages/back-icon.png" alt="Zurück" />
</div>
`;
}
function showMenu(menuId) {
menus.forEach(id => {
document.getElementById(id).style.display = id === menuId ? 'flex' : 'none';
});
closeDynamicMenu();
if (menuId === 'menu-bar') clearSelectedModel();
else if (menuId === 'map-window') init_map();
}
function clearSelectedModel() {
if (selectedPlacedModel) {
selectedPlacedModel.traverse((child) => {
if (child.isMesh) {
child.material.emissive.setHex(0x000000); // Markierung entfernen
}
});
selectedPlacedModel = null; // Kein Modell mehr ausgewählt
}
}
function selectModel(modelId) {
const model = models[modelId];
if (model && model.file) {
loadModel(model.file);
showMenu('menu-bar');
}
}
function loadModel(filePath) {
const modelConfig = Object.values(models).find(model => model.file === filePath);
const loader = new THREE.GLTFLoader();
loader.load(
filePath,
(gltf) => {
const model = gltf.scene;
if (modelConfig && modelConfig.scale) {
model.scale.set(modelConfig.scale.x, modelConfig.scale.y, modelConfig.scale.z);
}
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model.position.copy(reticle.position);
scene.add(model);
// Speichere das platzierte Modell und die Konfiguration
selectedPlacedModel = model;
selectedPlacedModel.modelConfig = modelConfig;
highlightSelectedModel();
showMenu('edit-menu');
},
undefined,
(error) => {
console.error("Fehler beim Laden des Modells:", error);
}
);
}
function highlightSelectedModel() {
if (selectedPlacedModel) {
removeHighlightFromAllModels();
selectedPlacedModel.traverse((child) => {
if (child.isMesh) {
child.material.emissive.setHex(0xff0000); // Rote Hervorhebung
}
});
}
}
function removeHighlightFromAllModels() {
scene.traverse((child) => {
if (child.isMesh && child.material && child.material.emissive) {
child.material.emissive.setHex(0x000000); // Markierung entfernen
}
});
}
function removeHighlightFromSelectedModel() {
if (selectedPlacedModel) {
selectedPlacedModel.traverse((child) => {
if (child.isMesh) child.material.emissive.setHex(0x000000); // Markierung entfernen
});
}
}
function selectModelFromScene(event) {
const mouse = new THREE.Vector2(
(event.clientX / window.innerWidth) * 2 - 1,
-(event.clientY / window.innerHeight) * 2 + 1
);
const raycaster = new THREE.Raycaster();
raycaster.setFromCamera(mouse, camera);
// Prüfe Kollisionen mit Objekten in der Szene
const intersects = raycaster.intersectObjects(scene.children, true);
if (intersects.length > 0) {
// Finde das Hauptobjekt (Root-Parent), falls Mesh ausgewählt wurde
let selectedObject = intersects[0].object;
while (selectedObject.parent && selectedObject.parent !== scene) {
selectedObject = selectedObject.parent;
}
// Markiere das gesamte Modell als ausgewählt
selectedPlacedModel = selectedObject;
highlightSelectedModel();
showMenu("edit-menu");
}
}
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function completeEditing() {
removeHighlightFromSelectedModel();
closeDynamicMenu();
selectedPlacedModel = null;
document.getElementById('edit-menu').style.display = 'none';
document.getElementById('menu-bar').style.display = 'flex';
}
function openRotationMenu() {
if (!selectedPlacedModel) {
showInfoDialog("Kein Modell ausgewählt. Bitte wählen Sie ein Modell aus, bevor Sie es bearbeiten.");
return;
}
// Holen Sie die aktuelle Y-Rotation des Modells (in Grad)
const currentRotation = Math.round(THREE.MathUtils.radToDeg(selectedPlacedModel.rotation.y));
const dynamicMenu = document.getElementById("dynamic-menu");
dynamicMenu.style.display = "flex";
dynamicMenu.innerHTML = `
<h3>Rotation anpassen</h3>
<label>Y-Achse: <span id="current-rotation">${currentRotation}</span>°<input type="range" min="0" max="360" step="10" onchange="updateRotation('y', this.value)"></label>
<button onclick="closeDynamicMenu()">Zurück</button>
`;
}
function updateRotation(axis, value) {
if (selectedPlacedModel) {
const radians = (value / 180) * Math.PI;
selectedPlacedModel.rotation[axis] = radians;
// Update der aktuellen Rotation im Menü
const currentRotationDisplay = document.getElementById("current-rotation");
if (currentRotationDisplay) {
currentRotationDisplay.textContent = value; // Zeige den aktuellen Wert in Grad an
}
}
}
function calculateBoundingBox(object) {
const box = new THREE.Box3().setFromObject(object);
const size = new THREE.Vector3();
box.getSize(size);
return size;
}
function calculateMaxScale(object) {
const boundingBox = calculateBoundingBox(object);
const viewportWidth = window.innerWidth;
const viewportHeight = window.innerHeight;
// Berechne die maximal mögliche Skalierung, um im Viewport zu bleiben
const scaleWidth = viewportWidth / boundingBox.x;
const scaleHeight = viewportHeight / boundingBox.y;
// Wähle den kleineren Wert und reduziere ihn leicht, um sicherzugehen, dass das Objekt nicht über den Rand hinausgeht
const safeScaleFactor = 0.95; // Puffer, um sicherzustellen, dass es nicht zu groß wird
return Math.min(scaleWidth, scaleHeight) * safeScaleFactor;
}
/**
function openScaleMenu() {
if (!selectedPlacedModel) {
showInfoDialog("Kein Modell ausgewählt. Bitte wählen Sie ein Modell aus, bevor Sie es bearbeiten.");
return;
}
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// Berechne die maximale Skalierung für das spezifische Objekt
const maxScale = calculateMaxScale(selectedPlacedModel);
// Aktuelle Skalierung des Modells bestimmen
const currentScale = selectedPlacedModel.scale.x;
const dynamicMenu = document.getElementById("dynamic-menu");
dynamicMenu.style.display = "flex";
dynamicMenu.innerHTML = `
<h3>Skalierung anpassen</h3>
<label>Größe: <span id="scale-value">${currentScale.toFixed(2)}</span><input type="range" min="0.01" max="${maxScale.toFixed(2)}" step="0.0001" value="${currentScale}" onchange="updateScale(this.value)"></label>
<button onclick="closeDynamicMenu()">Zurück</button>
`;
} * */
function openScaleMenu() {
if (!selectedPlacedModel) {
showInfoDialog("Kein Modell ausgewählt. Bitte wählen Sie ein Modell aus, bevor Sie es bearbeiten.");
return;
}
// Berechne die maximale Skalierung für das spezifische Objekt
// const maxScale = calculateMaxScale(selectedPlacedModel);
// Aktuelle Skalierung des Modells bestimmen
const currentScale = selectedPlacedModel.scale.x;
const minScale = selectedPlacedModel.modelConfig.minScale;
const maxScale = selectedPlacedModel.modelConfig.maxScale;
const step = (maxScale - minScale) / 100; // Dynamische Schrittgröße basierend auf Grenzen
console.log("Slider-Werte:", { minScale, maxScale, currentScale });
const dynamicMenu = document.getElementById("dynamic-menu");
dynamicMenu.style.display = "flex";
dynamicMenu.innerHTML = `
<h3>Skalierung anpassen</h3>
<label>Größe: <span id="scale-value">${currentScale.toFixed(2)}</span>
<input type="range" min="${minScale}" max="${maxScale}" step="${step}" value="${currentScale}" onchange="updateScale(this.value)"></label>
<button onclick="closeDynamicMenu()">Zurück</button>
`;
}
function updateScale(value) {
if (selectedPlacedModel) {
const scale = parseFloat(value);
selectedPlacedModel.scale.set(scale, scale, scale);
// Anzeige des aktuellen Wertes aktualisieren
const scaleValueDisplay = document.getElementById("scale-value");
if (scaleValueDisplay) {
scaleValueDisplay.textContent = `${scale.toFixed(2)}`;
}
}
}
function deleteModel() {
if (!selectedPlacedModel) {
showInfoDialog("Kein Modell ausgewählt. Bitte wählen Sie ein Modell aus, bevor Sie es löschen.");
return;
}
// Dialog anzeigen
const deleteDialog = document.getElementById('delete-confirmation-dialog');
deleteDialog.style.display = 'flex';
}
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function confirmDelete(shouldDelete) {
const deleteDialog = document.getElementById('delete-confirmation-dialog');
deleteDialog.style.display = 'none';
if (shouldDelete && selectedPlacedModel) {
scene.remove(selectedPlacedModel);
selectedPlacedModel = null;
showMenu('menu-bar');
}
}
function closeDynamicMenu() {
const dynamicMenu = document.getElementById("dynamic-menu");
dynamicMenu.style.display = "none";
}
function refreshMapDialog() {
const mapDialog = document.getElementById('map-dialog');
mapDialog.style.display = 'flex';
}
function closeMapDialog() {
const mapDialog = document.getElementById('map-dialog');
mapDialog.style.display = 'none';
}
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;
scene = new THREE.Scene();
camera = new THREE.PerspectiveCamera();
camera.matrixAutoUpdate = false;
const light = new THREE.DirectionalLight(0xffffff, 1);
light.position.set(10, 10, 10);
scene.add(light);
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);
});
currentSession = await navigator.xr.requestSession('immersive-ar', {
optionalFeatures: ["dom-overlay"],
domOverlay: { root: document.body },
requiredFeatures: ['hit-test']
});
currentSession.updateRenderState({ baseLayer: new XRWebGLLayer(currentSession, gl) });
const referenceSpace = await currentSession.requestReferenceSpace('local');
const viewerSpace = await currentSession.requestReferenceSpace('viewer');
const hitTestSource = await currentSession.requestHitTestSource({ space: viewerSpace });
document.getElementById('menu-bar').style.display = 'flex';
currentSession.addEventListener("end", () => {
currentSession = null;
menus.forEach(id => {
document.getElementById(id).style.display = 'none';
});
});
canvas.addEventListener("pointerdown", selectModelFromScene);
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currentSession.requestAnimationFrame(function onXRFrame(time, frame) {
currentSession.requestAnimationFrame(onXRFrame);
gl.bindFramebuffer(gl.FRAMEBUFFER, currentSession.renderState.baseLayer.framebuffer);
const pose = frame.getViewerPose(referenceSpace);
if (pose) {
const view = pose.views[0];
const viewport = currentSession.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);
}
});
}
function exitAR() {
document.getElementById('confirmation-dialog').style.display = 'flex';
}
function confirmExit(shouldExit) {
if (shouldExit && currentSession) {
currentSession.end();
}
document.getElementById('confirmation-dialog').style.display = 'none';
}
let soundTimeout = false;
function playButtonSound() {
if (!soundTimeout) {
const sound = document.getElementById("button-sound");
sound.currentTime = 0;
sound.play();
soundTimeout = true;
setTimeout(() => {
soundTimeout = false;
}, 200); // Verzögerung von 200ms
}
}
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>
</body>