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ar_main.js 18.97 KiB
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/* ========================= */
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/*    GLOBALE VARIABLEN      */
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/* ========================= */
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let selectedPlacedModel = null;
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let currentSession = null;
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let reticle = null;
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let scene, camera;
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let geoLocation;
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const menus = ['menu-bar', 'add-menu', 'edit-menu', 'options-menu', 'map-window'];
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/* ========================= */
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/*          MODELLE          */
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/* ========================= */
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let models = {
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    bench: {
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        name: "Bench",
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        image: "assets/previewImages/bench.PNG",
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        file: "https://transfer.hft-stuttgart.de/gitlab/geovistoogsi/ar/-/raw/master/public/assets/models/bench_model/scene.gltf",
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        scale: { x: 0.1, y: 0.1, z: 0.1 },
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        minScale: 0.05,
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        maxScale: 0.5
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    },
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    trashbin: {
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        name: "Trash bin",
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        image: "assets/previewImages/trash_can.PNG",
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        file: "https://transfer.hft-stuttgart.de/gitlab/geovistoogsi/ar/-/raw/master/public/assets/models/trash_model/scene.gltf",
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        scale: { x: 0.03, y: 0.03, z: 0.03 },
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        minScale: 0.01,
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        maxScale: 0.1
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    },
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    lantern: {
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        name: "Lantern",
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        image: "assets/previewImages/park_light.png",
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        file: "https://transfer.hft-stuttgart.de/gitlab/geovistoogsi/ar/-/raw/master/public/assets/models/park_light_model/scene.gltf",
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        scale: { x: 0.5, y: 0.5, z: 0.5 },
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        minScale: 0.2,
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        maxScale: 5
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    },
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    telephone_box: {
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        name: "Telephone Box",
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        image: "assets/previewImages/telephone_box.PNG",
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        file: "https://transfer.hft-stuttgart.de/gitlab/geovistoogsi/ar/-/raw/master/public/assets/models/telephone_box_model/scene.gltf",
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        scale: { x: 0.5, y: 0.5, z: 0.5 },
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        minScale: 0.05,
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        maxScale: 1
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    },
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    fire_hydrant_model: {
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        name: "Fire Hydrant",
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        image: "assets/previewImages/hydrant.PNG",
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        file: "https://transfer.hft-stuttgart.de/gitlab/geovistoogsi/ar/-/raw/master/public/assets/models/fire_hydrant_model/scene.gltf",
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        scale: { x: 0.3, y: 0.3, z: 0.3 },
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        minScale: 0.1,
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        maxScale: 1
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    },
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    statue: {
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        name: "Statue",
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        image: "assets/previewImages/statue.PNG",
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        file: "https://transfer.hft-stuttgart.de/gitlab/geovistoogsi/ar/-/raw/master/public/assets/models/statue_model/scene.gltf",
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        scale: { x: 0.5, y: 0.5, z: 0.5 },
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        minScale: 0.05,
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        maxScale: 2
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    },
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    fountain: {
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        name: "Fountain",
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        image: "assets/previewImages/fountain.PNG",
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        file: "https://transfer.hft-stuttgart.de/gitlab/geovistoogsi/ar/-/raw/master/public/assets/models/fountain_model/scene.gltf",
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        scale: { x: 0.001, y: 0.001, z: 0.001 },
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        minScale: 0.0005,
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        maxScale: 0.005
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    }
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}; /* ========================= */ /* INITIALISIERUNG */ /* ========================= */ window.onload = () => { initializeAddMenu(); // Allen Buttons den Sound hinzufügen 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="assets/icons/back-icon.png" alt="Zurück" /> </div> `; } /* ========================= */ /* MENÜ-STEUERUNG */ /* ========================= */ function showMenu(menuId) { const isMapWindow = menuId === 'map-window'; if (isMapWindow && !geoLocation) { console.log("Standort nicht geladen"); showInfoDialog("Ihr Standort wurde noch nicht geladen"); return; } menus.forEach(id => { document.getElementById(id).style.display = id === menuId ? 'flex' : 'none'; }); closeDynamicMenu(); if (menuId === 'menu-bar') clearSelectedModel(); else if (isMapWindow) init_map(); } function closeDynamicMenu() { const dynamicMenu = document.getElementById("dynamic-menu"); dynamicMenu.style.display = "none"; } /* ========================= */ /* MODELL-HANDLING */ /* ========================= */ function getAllPlacedModels() { return scene.children.filter(child => child.isPlacedModel === true); } function loadModel(filePath) { placeModel(filePath, reticle.position, (model) => { selectedPlacedModel = model; highlightSelectedModel(); showMenu('edit-menu'); });
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} function placeModel(filePath, position, onPlace = null) { 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); } model.position.copy(position); model.isPlacedModel = true; model.modelConfig = modelConfig; scene.add(model); if (onPlace) { onPlace(model); } }, undefined, (error) => { console.error("Fehler beim Laden des Modells:", error); } ); } function selectModel(modelId) { const model = models[modelId]; if (model && model.file) { loadModel(model.file); showMenu('menu-bar'); } } 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; } // Überprüfe, ob das ausgewählte Objekt das Reticle ist if (selectedObject === reticle) { console.log("Reticle kann nicht ausgewählt werden."); return; } // Markiere das gesamte Modell als ausgewählt selectedPlacedModel = selectedObject; highlightSelectedModel(); showMenu("edit-menu"); } } function clearSelectedModel() { if (selectedPlacedModel) {
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selectedPlacedModel.traverse((child) => { if (child.isMesh) { child.material.emissive.setHex(0x000000); // Markierung entfernen } }); selectedPlacedModel = null; } } function highlightSelectedModel() { if (selectedPlacedModel) { removeHighlightFromAllModels(); selectedPlacedModel.traverse((child) => { if (child.isMesh) { child.material.emissive.setHex(0xff0000); // Rote Hervorhebung } }); } } function removeHighlightFromSelectedModel() { if (selectedPlacedModel) { selectedPlacedModel.traverse((child) => { if (child.isMesh) child.material.emissive.setHex(0x000000); // Markierung entfernen }); } } function removeHighlightFromAllModels() { scene.traverse((child) => { if (child.isMesh && child.material && child.material.emissive) { child.material.emissive.setHex(0x000000); // Markierung entfernen } }); } function deleteModel() { if (!selectedPlacedModel) { console.log("Kein Modell ausgewählt. Bitte wählen Sie ein Modell aus, bevor Sie es löschen."); return; } const deleteDialog = document.getElementById('delete-confirmation-dialog'); deleteDialog.style.display = 'flex'; } 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 completeEditing() { removeHighlightFromSelectedModel(); closeDynamicMenu(); selectedPlacedModel = null; document.getElementById('edit-menu').style.display = 'none'; document.getElementById('menu-bar').style.display = 'flex'; } /* ========================= */ /* BEARBEITUNGS-MENÜS */ /* ========================= */ function openRotationMenu() {
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if (!selectedPlacedModel) { console.log("Kein Modell ausgewählt. Bitte wählen Sie ein Modell aus, bevor Sie es bearbeiten."); return; } const currentRotation = Math.round(THREE.MathUtils.radToDeg(selectedPlacedModel.rotation.y)); // Aktuelle Y-Rotation des Modells (in Grad) const dynamicMenu = document.getElementById("dynamic-menu"); dynamicMenu.style.display = "flex"; dynamicMenu.innerHTML = ` <h3>Rotation anpassen</h3> <label>Y-Achse: <span id="current-rotation">${currentRotation}</span>°<input type="range" min="0" max="360" step="10" onchange="updateRotation('y', this.value)"></label> <button onclick="closeDynamicMenu()">Zurück</button> `; } function updateRotation(axis, value) { if (selectedPlacedModel) { const radians = (value / 180) * Math.PI; selectedPlacedModel.rotation[axis] = radians; // Anzeige der aktuellen Rotation im Dynamic-Menü aktualisieren const currentRotationDisplay = document.getElementById("current-rotation"); if (currentRotationDisplay) { currentRotationDisplay.textContent = value; // Zeige den aktuellen Wert in Grad an } } } function openScaleMenu() { if (!selectedPlacedModel) { console.log("Kein Modell ausgewählt. Bitte wählen Sie ein Modell aus, bevor Sie es bearbeiten."); return; } // Aktuelle Skalierung und Grenzen bestimmen const currentScale = selectedPlacedModel.scale.x; const minScale = selectedPlacedModel.modelConfig.minScale; const maxScale = selectedPlacedModel.modelConfig.maxScale; const step = (maxScale - minScale) / 100; // Dynamische Schrittgröße basierend auf Grenzen const currentScalePercent = ((currentScale - minScale) / (maxScale - minScale)) * 100; // Umrechnung der Werte in Prozent const dynamicMenu = document.getElementById("dynamic-menu"); dynamicMenu.style.display = "flex"; dynamicMenu.innerHTML = ` <h3>Skalierung anpassen</h3> <label>Größe: <span id="scale-value">${currentScalePercent.toFixed(0)}%</span> <input type="range" min="0" max="100" step=""${step}"" value="${currentScalePercent}" onchange="updateScale(this.value, ${minScale}, ${maxScale})"></label> <button onclick="closeDynamicMenu()">Zurück</button> `; } function updateScale(percentValue, minScale, maxScale) { if (selectedPlacedModel) { // Berechnung der Skalierung basierend auf dem Prozentwert const scale = minScale + (percentValue / 100) * (maxScale - minScale); selectedPlacedModel.scale.set(scale, scale, scale); // Anzeige des aktuellen Prozentsatzes im Dynamic-Menü aktualisieren const scaleValueDisplay = document.getElementById("scale-value"); if (scaleValueDisplay) { scaleValueDisplay.textContent = `${parseInt(percentValue, 10)}%`; } } } let moveDelta = 0.1; // Standardwert für die Verschiebungsgröße, kann mit dem Slider geändert werden function openMoveMenu() {
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if (!selectedPlacedModel) { console.log("Kein Modell ausgewählt. Bitte wählen Sie ein Modell aus, bevor Sie es bewegen."); return; } const dynamicMenu = document.getElementById("dynamic-menu"); dynamicMenu.style.display = "flex"; dynamicMenu.innerHTML = ` <h3>Position anpassen</h3> <label> Verschiebungsgröße: <span id="move-delta-display">${moveDelta.toFixed(2)}</span> <input type="range" min="0.01" max="1.0" step="0.01" value="${moveDelta}" onchange="updateMoveDelta(this.value)"> </label> <div class="button-row"> <div class="control-button" id="left" onclick="moveModelDynamic('x', -moveDelta)"> <img src="assets/icons/left-arrow.png" alt="Left" /> </div> <div class="control-button" id="right" onclick="moveModelDynamic('x', moveDelta)"> <img src="assets/icons/right-arrow.png" alt="Right" /> </div> <div class="control-button" id="up" onclick="moveModelDynamic('z', -moveDelta)"> <img src="assets/icons/up-arrow.png" alt="Up" /> </div> <div class="control-button" id="down" onclick="moveModelDynamic('z', moveDelta)"> <img src="assets/icons/down-arrow.png" alt="Down" /> </div> </div> <button onclick="closeDynamicMenu()">Zurück</button> `; } function updateMoveDelta(value) { moveDelta = parseFloat(value); const moveDeltaDisplay = document.getElementById("move-delta-display"); if (moveDeltaDisplay) { moveDeltaDisplay.textContent = moveDelta.toFixed(2); } } function moveModelDynamic(axis, value) { if (selectedPlacedModel) selectedPlacedModel.position[axis] += value; } /* ========================= */ /* KARTENSTEUERUNG */ /* ========================= */ function refreshMapDialog() { const mapDialog = document.getElementById('map-dialog'); mapDialog.style.display = 'flex'; } function closeMapDialog() { const mapDialog = document.getElementById('map-dialog'); mapDialog.style.display = 'none'; } /* ========================= */ /* AR-HANDLING */ /* ========================= */ async function activateXR(sceneData = null) { 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;
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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; document.getElementById("dynamic-menu").style.display = "none"; menus.forEach(id => { document.getElementById(id).style.display = 'none'; }); }); canvas.addEventListener("pointerdown", selectModelFromScene); if (navigator.geolocation) { navigator.geolocation.getCurrentPosition(position => { geoLocation = { latitude: roundTo(position.coords.latitude, 5), longitude: roundTo(position.coords.longitude, 5), }; console.log("GeoLocation: " + JSON.stringify(geoLocation)); if (sceneData) { sceneData.models.forEach((model) => { if (model.name) { const filePath = Object.values(models).find(m => model.name === m.name).file; const { x, z } = leafletToThree(model.lat, model.lng); const positionVector = new THREE.Vector3(x, model.position.y, z); placeModel(filePath, positionVector, (placed) => { if (model.rotation) { placed.rotation._x = model.rotation._x; placed.rotation._y = model.rotation._y; placed.rotation._z = model.rotation._z; } if (model.scale) { placed.scale.x = model.scale.x; placed.scale.y = model.scale.y; placed.scale.z = model.scale.z; } }); } }); } }, function (error) { console.error("Fehler bei der Geolokalisierung:", JSON.stringify(error)); }, { enableHighAccuracy: true, maximumAge: 2000, timeout: 5000 }); } currentSession.requestAnimationFrame(function onXRFrame(time, frame) {
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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'; } /* ========================= */ /* BENUTZERINTERAKTIONEN */ /* ========================= */ 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 } }

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