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825 lines (732 loc) · 34.8 KB
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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>3D几何形状探索 - 学习游戏</title>
<link href="https://lf6-cdn-tos.bytecdntp.com/cdn/expire-100-M/font-awesome/6.0.0/css/all.min.css" rel="stylesheet">
<link href="https://lf3-cdn-tos.bytecdntp.com/cdn/expire-1-M/tailwindcss/2.2.19/tailwind.min.css" rel="stylesheet">
<style>
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;700&family=Noto+Sans+SC:wght@400;700&display=swap');
body {
margin: 0;
overflow: hidden;
font-family: 'Noto Sans SC', sans-serif;
background-color: #f0f0f0;
-webkit-user-select: none; /* Safari */
-moz-user-select: none; /* Firefox */
-ms-user-select: none; /* IE10+ */
user-select: none; /* Standard */
}
#game-container {
position: relative;
width: 100vw;
height: 100vh;
background-color: #e0e0e0; /* Fallback background */
}
canvas {
display: block;
width: 100% !important;
height: 100% !important;
position: absolute;
top: 0;
left: 0;
}
#overlay {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
pointer-events: none; /* Allows clicks to pass through to canvas by default */
z-index: 10;
font-family: 'Noto Sans SC', sans-serif;
}
.ui-panel {
pointer-events: auto; /* Re-enable pointer events for UI elements */
background: rgba(255, 255, 255, 0.9);
backdrop-filter: blur(5px);
border-radius: 8px;
padding: 1rem;
box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
color: #333;
}
#task-display {
position: absolute;
top: 20px;
left: 20px;
}
#score-display {
position: absolute;
top: 20px;
right: 20px;
}
#progress-bar-container {
position: absolute;
top: 20px;
left: 50%;
transform: translateX(-50%);
width: 200px;
height: 15px;
background-color: rgba(255, 255, 255, 0.9);
border-radius: 8px;
overflow: hidden;
box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
pointer-events: auto;
}
#progress-bar {
height: 100%;
width: 0%;
background-color: #4CAF50;
border-radius: 8px;
transition: width 0.5s ease-in-out;
}
#info-modal {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
width: 90%;
max-width: 500px;
display: none;
pointer-events: auto;
font-family: 'Noto Serif SC', serif;
}
#info-modal h3 {
font-family: 'Noto Serif SC', serif;
margin-top: 0;
margin-bottom: 0.5rem;
font-weight: 700;
font-size: 1.5rem;
}
#info-modal p {
font-family: 'Noto Serif SC', serif;
line-height: 1.6;
}
.close-button {
position: absolute;
top: 10px;
right: 10px;
background: none;
border: none;
font-size: 1.5rem;
cursor: pointer;
color: #666;
transition: color 0.2s;
}
.close-button:hover {
color: #333;
}
#pause-button {
position: absolute;
bottom: 20px;
left: 20px;
pointer-events: auto;
font-size: 2rem;
color: #666;
cursor: pointer;
transition: color 0.2s;
}
#pause-button:hover {
color: #333;
}
#pause-menu {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
width: 90%;
max-width: 400px;
display: none;
text-align: center;
pointer-events: auto;
}
.game-button {
display: block;
width: 80%;
margin: 1rem auto;
padding: 0.8rem;
font-size: 1.2rem;
background-color: #4CAF50;
color: white;
border: none;
border-radius: 8px;
cursor: pointer;
transition: background-color 0.2s;
}
.game-button:hover {
background-color: #45a049;
}
.game-button:disabled {
background-color: #cccccc;
cursor: not-allowed;
}
#completion-modal {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
width: 90%;
max-width: 500px;
display: none;
text-align: center;
pointer-events: auto;
font-family: 'Noto Serif SC', serif;
}
#completion-modal h3 {
font-family: 'Noto Serif SC', serif;
margin-top: 0;
margin-bottom: 1rem;
font-weight: 700;
font-size: 2rem;
}
/* Add a subtle highlight effect for interactive objects */
.interactive-object {
cursor: pointer; /* Indicate interactivity */
}
</style>
</head>
<body>
<div id="game-container">
</div>
<div id="overlay">
<div id="task-display" class="ui-panel">
<p>任务：<span id="current-task">加载中...</span></p>
</div>
<div id="score-display" class="ui-panel">
<p>分数：<span id="current-score">0</span></p>
</div>
<div id="progress-bar-container">
<div id="progress-bar"></div>
</div>
<div id="info-modal" class="ui-panel">
<button class="close-button" id="close-info-modal"><i class="fas fa-times"></i></button>
<h3 id="info-modal-title">知识点</h3>
<p id="info-modal-content">...</p>
<button class="game-button mt-4" id="continue-button">继续</button>
</div>
<div id="pause-button"><i class="fas fa-pause-circle"></i></div>
<div id="pause-menu" class="ui-panel">
<h3>暂停</h3>
<button class="game-button" id="resume-button">继续游戏</button>
<button class="game-button" id="restart-button">重新开始</button>
</div>
<div id="completion-modal" class="ui-panel">
<h3 id="completion-title">恭喜完成！</h3>
<p id="completion-message">您已经成功探索了所有基本形状！</p>
<button class="game-button" id="play-again-button">再玩一次</button>
</div>
</div>
<script src="https://lf3-cdn-tos.bytecdntp.com/cdn/expire-1-M/three.js/110/three.min.js"></script>
<script src="https://lf3-cdn-tos.bytecdntp.com/cdn/expire-1-M/gsap/3.9.1/gsap.min.js"></script>
<script>
// Declare variables at the very top to prevent reference errors
let scene, camera, renderer;
let raycaster;
let mouse;
let interactiveObjects = []; // Array to store clickable meshes
let gamePaused = false;
let currentTargetHighlightTween = null; // Moved declaration to top
let hoveredObject = null; // Moved declaration to top
// Game State
const gameData = {
tasks: [
{ id: 'findCube', target: 'cubeMesh', text: '找到立方体', info: { title: '关于立方体', content: '立方体有6个面，12条边，8个顶点。所有面都是正方形，所有边长度相等。' }, score: 10 },
{ id: 'findSphere', target: 'sphereMesh', text: '找到球体', info: { title: '关于球体', content: '球体是一个完全圆形的几何对象，它是完全对称的。球体没有边和顶点。' }, score: 15 },
{ id: 'findCylinder', target: 'cylinderMesh', text: '找到圆柱体', info: { title: '关于圆柱体', content: '圆柱体由两个平行的圆形底面和连接它们的一个弯曲表面组成。它有2个边（圆周），没有顶点。' }, score: 12 },
{ id: 'findPyramid', target: 'pyramidMesh', text: '找到棱锥', info: { title: '关于棱锥', content: '棱锥有一个多边形底面和三角形侧面，这些侧面在顶点（称为锥顶）处相遇。侧面的数量取决于底面的边数。' }, score: 18 }
],
currentTaskIndex: 0,
score: 0,
completedTasks: [],
knowledgeCollected: {} // Store knowledge points collected
};
// UI Elements
const taskDisplay = document.getElementById('current-task');
const scoreDisplay = document.getElementById('current-score');
const progressBar = document.getElementById('progress-bar');
const infoModal = document.getElementById('info-modal');
const infoModalTitle = document.getElementById('info-modal-title');
const infoModalContent = document.getElementById('info-modal-content');
const closeInfoModalButton = document.getElementById('close-info-modal');
const continueButton = document.getElementById('continue-button');
const pauseButton = document.getElementById('pause-button');
const pauseMenu = document.getElementById('pause-menu');
const resumeButton = document.getElementById('resume-button');
const restartButton = document.getElementById('restart-button');
const completionModal = document.getElementById('completion-modal');
const playAgainButton = document.getElementById('play-again-button');
// Initialize the game
init();
animate();
function init() {
// Scene
scene = new THREE.Scene();
scene.background = new THREE.Color(0xcce0ff); // Light blue sky
// Camera
camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000);
camera.position.set(0, 5, 15);
camera.lookAt(0, 0, 0);
// Renderer
renderer = new THREE.WebGLRenderer({ antialias: true });
renderer.setSize(window.innerWidth, window.innerHeight);
document.getElementById('game-container').appendChild(renderer.domElement);
// Lighting
const ambientLight = new THREE.AmbientLight(0x404040); // Soft white light
scene.add(ambientLight);
const directionalLight = new THREE.DirectionalLight(0xffffff, 0.8);
directionalLight.position.set(1, 1, 1).normalize();
scene.add(directionalLight);
// Geometry and Materials
const planeGeometry = new THREE.PlaneGeometry(50, 50);
const planeMaterial = new THREE.MeshLambertMaterial({ color: 0x90ee90 }); // Light green grass
const plane = new THREE.Mesh(planeGeometry, planeMaterial);
plane.rotation.x = -Math.PI / 2; // Rotate to be horizontal
scene.add(plane);
const cubeGeometry = new THREE.BoxGeometry(2, 2, 2);
const cubeMaterial = new THREE.MeshLambertMaterial({ color: 0xff0000 }); // Red
const cube = new THREE.Mesh(cubeGeometry, cubeMaterial);
cube.position.set(-5, 1, 0);
cube.name = 'cubeMesh'; // Assign a name for identification
cube.userData = { type: 'shape', name: '立方体' };
interactiveObjects.push(cube);
scene.add(cube);
const sphereGeometry = new THREE.SphereGeometry(1.5, 32, 32);
const sphereMaterial = new THREE.MeshLambertMaterial({ color: 0x0000ff }); // Blue
const sphere = new THREE.Mesh(sphereGeometry, sphereMaterial);
sphere.position.set(5, 1.5, -5);
sphere.name = 'sphereMesh';
sphere.userData = { type: 'shape', name: '球体' };
interactiveObjects.push(sphere);
scene.add(sphere);
const cylinderGeometry = new THREE.CylinderGeometry(1.5, 1.5, 3, 32);
const cylinderMaterial = new THREE.MeshLambertMaterial({ color: 0xffff00 }); // Yellow
const cylinder = new THREE.Mesh(cylinderGeometry, cylinderMaterial);
cylinder.position.set(0, 1.5, 5);
cylinder.name = 'cylinderMesh';
cylinder.userData = { type: 'shape', name: '圆柱体' };
interactiveObjects.push(cylinder);
scene.add(cylinder);
const pyramidGeometry = new THREE.ConeGeometry(2, 3, 4); // Base radius, height, segments
const pyramidMaterial = new THREE.MeshLambertMaterial({ color: 0xffa500 }); // Orange
const pyramid = new THREE.Mesh(pyramidGeometry, pyramidMaterial);
pyramid.position.set(0, 1.5, -10);
pyramid.name = 'pyramidMesh';
pyramid.userData = { type: 'shape', name: '棱锥' };
interactiveObjects.push(pyramid);
scene.add(pyramid);
// Raycaster for interactions
raycaster = new THREE.Raycaster();
mouse = new THREE.Vector2();
// Event Listeners
window.addEventListener('resize', onWindowResize, false);
renderer.domElement.addEventListener('click', onCanvasClick, false);
// Add hover effect listener (optional, for visual feedback)
renderer.domElement.addEventListener('mousemove', onCanvasMouseMove, false);
// UI Event Listeners
closeInfoModalButton.addEventListener('click', hideInfoModal);
continueButton.addEventListener('click', handleContinue);
pauseButton.addEventListener('click', togglePauseMenu);
resumeButton.addEventListener('click', togglePauseMenu); // Resume button also just closes the menu
restartButton.addEventListener('click', restartGame);
playAgainButton.addEventListener('click', restartGame);
// Initial Game State Setup
updateUI();
loadGame(); // Attempt to load previous progress
// setTask is called within loadGame or restartGame
// highlightCurrentTarget is called within loadGame or restartGame
}
function animate() {
if (gamePaused) {
requestAnimationFrame(animate);
return;
}
requestAnimationFrame(animate);
renderer.render(scene, camera);
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize(window.innerWidth, window.innerHeight);
}
function onCanvasClick(event) {
if (gamePaused || infoModal.style.display !== 'none' || completionModal.style.display !== 'none') {
return; // Don't interact if game is paused or modal is open
}
// Calculate mouse position in normalized device coordinates (-1 to +1)
mouse.x = (event.clientX / window.innerWidth) * 2 - 1;
mouse.y = -(event.clientY / window.innerHeight) * 2 + 1;
// Update the picking ray with the camera and mouse position
raycaster.setFromCamera(mouse, camera);
// Calculate objects intersecting the picking ray
const intersects = raycaster.intersectObjects(interactiveObjects, true); // Check interactiveObjects array
if (intersects.length > 0) {
const clickedObject = intersects[0].object;
console.log('Clicked on:', clickedObject.name); // Debugging
// Check if the clicked object is the target for the current task
const currentTask = gameData.tasks[gameData.currentTaskIndex];
if (clickedObject.name === currentTask.target) {
console.log('Correct object clicked!'); // Debugging
handleTaskCompletion(currentTask, clickedObject);
} else {
console.log('Wrong object clicked.'); // Debugging
// Optional: Provide visual/audio feedback for wrong click
// new Audio('wrong_answer.mp3').play(); // Requires audio file
gsap.to(clickedObject.scale, { x: 1.1, y: 1.1, z: 1.1, duration: 0.1, yoyo: true, repeat: 1 });
}
// Regardless of correct/wrong, show info if it's an interactive object that has associated info
const clickedTask = gameData.tasks.find(t => t.target === clickedObject.name);
if(clickedTask && clickedTask.info){
showInfoModal(clickedObject);
}
}
}
function onCanvasMouseMove(event) {
if (gamePaused || infoModal.style.display !== 'none' || completionModal.style.display !== 'none') {
if (hoveredObject) {
resetObjectHighlight(hoveredObject);
hoveredObject = null;
}
return;
}
mouse.x = (event.clientX / window.innerWidth) * 2 - 1;
mouse.y = -(event.clientY / window.innerHeight) * 2 + 1;
raycaster.setFromCamera(mouse, camera);
const intersects = raycaster.intersectObjects(interactiveObjects, true);
if (intersects.length > 0) {
const object = intersects[0].object;
if (hoveredObject !== object) {
if (hoveredObject) {
resetObjectHighlight(hoveredObject);
}
highlightObject(object);
hoveredObject = object;
}
} else {
if (hoveredObject) {
resetObjectHighlight(hoveredObject);
hoveredObject = null;
}
}
}
function highlightObject(object) {
if (object.originalMaterial === undefined) {
object.originalMaterial = object.material;
}
// Use a subtle emissive color or outline effect
const highlightMaterial = object.originalMaterial.clone();
highlightMaterial.emissive = new THREE.Color(0x00ff00); // Green glow
highlightMaterial.emissiveIntensity = 0.2;
object.material = highlightMaterial;
document.body.style.cursor = 'pointer'; // Change cursor
}
function resetObjectHighlight(object) {
if (object && object.originalMaterial !== undefined) {
object.material = object.originalMaterial;
delete object.originalMaterial; // Clean up
}
document.body.style.cursor = 'default'; // Reset cursor
}
function showInfoModal(object) {
const task = gameData.tasks.find(t => t.target === object.name);
if (task && task.info) {
infoModalTitle.innerText = task.info.title;
infoModalContent.innerText = task.info.content;
infoModal.style.display = 'block';
// Prevent canvas interaction while modal is open
renderer.domElement.style.pointerEvents = 'none';
// Optional: Play sound or animation for modal appearance
// new Audio('modal_open.mp3').play(); // Requires audio file
gsap.fromTo(infoModal, { opacity: 0, scale: 0.8 }, { opacity: 1, scale: 1, duration: 0.3 });
} else {
// If clicked object is interactive but has no info defined, do nothing
console.log("No specific info defined for this object.");
}
}
function hideInfoModal() {
// Optional: Play sound or animation for modal disappearance
gsap.to(infoModal, { opacity: 0, scale: 0.8, duration: 0.3, onComplete: () => {
infoModal.style.display = 'none';
// Re-enable canvas interaction
renderer.domElement.style.pointerEvents = 'auto';
// new Audio('modal_close.mp3').play(); // Requires audio file
} });
}
function handleContinue() {
// Logic to continue after reading info - currently handled by hideInfoModal
hideInfoModal();
// In a more complex game, 'continue' might trigger the next step or quiz
}
function handleTaskCompletion(task, object) {
if (!gameData.completedTasks.includes(task.id)) {
gameData.completedTasks.push(task.id);
gameData.score += task.score;
gameData.knowledgeCollected[task.id] = task.info; // Store collected knowledge
// Optional: Play sound or animation for success
// new Audio('task_complete.mp3').play(); // Requires audio file
gsap.to(object.scale, { x: 1.2, y: 1.2, z: 1.2, duration: 0.2, yoyo: true, repeat: 1 });
// Reset highlight on the completed object
resetHighlightOnCompletion(object);
// Move to the next task
gameData.currentTaskIndex++;
if (gameData.currentTaskIndex < gameData.tasks.length) {
setTask(gameData.currentTaskIndex);
highlightCurrentTarget();
// Optional: Camera animation to new target
const nextTargetObject = scene.getObjectByName(gameData.tasks[gameData.currentTaskIndex].target);
if(nextTargetObject){
animateCameraToTarget(nextTargetObject.position);
}
} else {
// Game Completed
endGame();
}
updateUI();
saveGame(); // Save progress
} else {
console.log("Task already completed."); // Debugging
// Optional: Provide feedback that task is already done
}
}
function setTask(index) {
if (index < gameData.tasks.length) {
taskDisplay.innerText = gameData.tasks[index].text;
console.log("Current Task:", gameData.tasks[index].text); // Debugging
}
}
function updateUI() {
scoreDisplay.innerText = gameData.score;
const progress = (gameData.completedTasks.length / gameData.tasks.length) * 100;
progressBar.style.width = `${progress}%`;
if (gameData.currentTaskIndex < gameData.tasks.length) {
taskDisplay.innerText = gameData.tasks[gameData.currentTaskIndex].text;
} else {
taskDisplay.innerText = '游戏完成！';
}
}
function animateCameraToTarget(targetPosition) {
// Simple camera movement towards the target object's XZ plane position
gsap.to(camera.position, {
x: targetPosition.x,
// Keep camera height, maybe slightly adjust
y: camera.position.y,
z: targetPosition.z + 10, // Move to be in front of the target
duration: 1.5,
ease: "power2.inOut",
onUpdate: () => {
camera.lookAt(targetPosition.x, targetPosition.y, targetPosition.z);
}
});
// Calculate the rotation needed to look at the target
const targetQuaternion = new THREE.Quaternion().setFromRotationMatrix(
new THREE.Matrix4().lookAt(camera.position, targetPosition, camera.up)
);
gsap.to(camera.quaternion, {
x: targetQuaternion.x,
y: targetQuaternion.y,
z: targetQuaternion.z,
w: targetQuaternion.w,
duration: 1.5,
ease: "power2.inOut"
});
}
function togglePauseMenu() {
gamePaused = !gamePaused;
pauseMenu.style.display = gamePaused ? 'block' : 'none';
// Disable canvas interaction when paused
renderer.domElement.style.pointerEvents = gamePaused ? 'none' : 'auto';
// Optional: Play sound
// new Audio(gamePaused ? 'pause.mp3' : 'resume.mp3').play(); // Requires audio file
}
function restartGame() {
// Reset game state
gameData.currentTaskIndex = 0;
gameData.score = 0;
gameData.completedTasks = [];
gameData.knowledgeCollected = {};
// Hide modals
infoModal.style.display = 'none';
pauseMenu.style.display = 'none';
completionModal.style.display = 'none';
// Reset Three.js scene elements if needed (not strictly necessary for simple shape positions)
// If objects were moved or animated, reset their transforms here.
interactiveObjects.forEach(obj => {
if (obj.originalMaterial !== undefined) {
obj.material = obj.originalMaterial;
delete obj.originalMaterial;
}
// Reset any scale changes from feedback
gsap.killTweensOf(obj.scale);
obj.scale.set(1, 1, 1);
});
// Update UI and set first task
updateUI();
setTask(gameData.currentTaskIndex);
highlightCurrentTarget();
// Reset camera position
gsap.to(camera.position, { x: 0, y: 5, z: 15, duration: 1.5, ease: "power2.inOut" });
// Reset camera rotation to look towards origin
const initialQuaternion = new THREE.Quaternion().setFromRotationMatrix(
new THREE.Matrix4().lookAt(new THREE.Vector3(0, 5, 15), new THREE.Vector3(0, 0, 0), camera.up)
);
gsap.to(camera.quaternion, {
x: initialQuaternion.x,
y: initialQuaternion.y,
z: initialQuaternion.z,
w: initialQuaternion.w,
duration: 1.5,
ease: "power2.inOut"
});
// Ensure game is not paused
gamePaused = false;
renderer.domElement.style.pointerEvents = 'auto';
saveGame(); // Save initial state
}
function endGame() {
gamePaused = true; // Pause the game
completionModal.style.display = 'block';
// Disable canvas interaction
renderer.domElement.style.pointerEvents = 'none';
// Stop highlighting the last target
const lastTargetObjectName = gameData.tasks[gameData.tasks.length - 1].target;
if(lastTargetObjectName){
const lastTargetObject = scene.getObjectByName(lastTargetObjectName);
resetHighlightOnCompletion(lastTargetObject); // Explicitly reset highlight
}
if (currentTargetHighlightTween) {
currentTargetHighlightTween.kill();
currentTargetHighlightTween = null;
}
// Optional: Play celebratory sound/animation
// new Audio('game_complete.mp3').play(); // Requires audio file
gsap.fromTo(completionModal, { opacity: 0, scale: 0.8 }, { opacity: 1, scale: 1, duration: 0.5 });
}
function saveGame() {
try {
const gameProgress = {
currentTaskIndex: gameData.currentTaskIndex,
score: gameData.score,
completedTasks: gameData.completedTasks,
knowledgeCollected: gameData.knowledgeCollected,
cameraPosition: camera.position.toArray(),
cameraQuaternion: camera.quaternion.toArray() // Save quaternion instead of rotation
};
localStorage.setItem('learningGameProgress', JSON.stringify(gameProgress));
console.log("Game saved."); // Debugging
} catch (e) {
console.error("Could not save game:", e);
}
}
function loadGame() {
try {
const savedProgress = localStorage.getItem('learningGameProgress');
if (savedProgress) {
const gameProgress = JSON.parse(savedProgress);
gameData.currentTaskIndex = gameProgress.currentTaskIndex || 0;
gameData.score = gameProgress.score || 0;
gameData.completedTasks = gameProgress.completedTasks || [];
gameData.knowledgeCollected = gameProgress.knowledgeCollected || {};
// Restore camera position and rotation if available
if (gameProgress.cameraPosition) {
camera.position.fromArray(gameProgress.cameraPosition);
}
if (gameProgress.cameraQuaternion) {
camera.quaternion.fromArray(gameProgress.cameraQuaternion);
// No need for lookAt after restoring quaternion
} else if (gameProgress.cameraRotation) {
// Fallback for older saves
camera.rotation.fromArray(gameProgress.cameraRotation);
camera.lookAt(0,0,0); // This might not be perfect, but better than nothing
}
console.log("Game loaded."); // Debugging
// If game was completed on last save, show completion modal
if (gameData.currentTaskIndex >= gameData.tasks.length) {
endGame();
} else {
setTask(gameData.currentTaskIndex);
updateUI();
highlightCurrentTarget(); // Highlight the current task's target after loading
}
} else {
console.log("No saved game found."); // Debugging
// Start a new game if no save exists
restartGame(); // This also sets the first task and updates UI
}
} catch (e) {
console.error("Could not load game:", e);
// Start a new game if loading fails
restartGame();
}
}
// Helper to highlight the current task's target object visually
function highlightCurrentTarget() {
// Stop any existing highlight animation and reset material on the previous target
const previouslyTargetedObjectName = gameData.tasks[gameData.currentTaskIndex > 0 ? gameData.currentTaskIndex - 1 : 0].target;
if(previouslyTargetedObjectName){
const previouslyTargetedObject = scene.getObjectByName(previouslyTargetedObjectName);
if (previouslyTargetedObject && previouslyTargetedObject.originalMaterial !== undefined) {
if (currentTargetHighlightTween) {
currentTargetHighlightTween.kill();
}
previouslyTargetedObject.material = previouslyTargetedObject.originalMaterial;
delete previouslyTargetedObject.originalMaterial;
}
} else {
// Handles the case when starting a new game (index 0), ensure previous highlight is off
if (currentTargetHighlightTween) {
currentTargetHighlightTween.kill();
currentTargetHighlightTween = null;
}
}
if (gameData.currentTaskIndex < gameData.tasks.length) {
const targetObjectName = gameData.tasks[gameData.currentTaskIndex].target;
const targetObject = scene.getObjectByName(targetObjectName);
if (targetObject) {
if (targetObject.originalMaterial === undefined) {
targetObject.originalMaterial = targetObject.material;
}
const highlightMaterial = targetObject.originalMaterial.clone();
highlightMaterial.emissive = new THREE.Color(0xffff00); // Yellow pulse
highlightMaterial.emissiveIntensity = 0.3; // Start with some intensity
targetObject.material = highlightMaterial;
// Pulsing animation
currentTargetHighlightTween = gsap.to(targetObject.material, {
emissiveIntensity: 0.8,
duration: 1,
repeat: -1, // Infinite repeat
yoyo: true, // Go back and forth
ease: "power1.inOut"
});
}
} else {
// Game is complete, ensure no object is highlighted
if (currentTargetHighlightTween) {
currentTargetHighlightTween.kill();
currentTargetHighlightTween = null;
}
// Reset material of the last targeted object if needed
if (gameData.tasks.length > 0) {
const lastTargetObjectName = gameData.tasks[gameData.tasks.length - 1].target;
const lastTargetObject = scene.getObjectByName(lastTargetObjectName);
resetHighlightOnCompletion(lastTargetObject);
}
}
}
// Ensure highlight is reset when a task is completed
function resetHighlightOnCompletion(completedTaskObject) {
if (completedTaskObject && completedTaskObject.originalMaterial !== undefined) {
completedTaskObject.material = completedTaskObject.originalMaterial;
delete completedTaskObject.originalMaterial;
}
// Note: This function doesn't kill currentTargetHighlightTween
// Killing is handled in highlightCurrentTarget before setting a new one,
// and in endGame when the game finishes.
}
// Add basic sound feedback (requires actual sound files)
// function playSound(sound) {
// const audio = new Audio(sound);
// audio.play().catch(e => console.error("Audio playback failed:", e));
// }
</script>
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