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720 lines (614 loc) · 24.1 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>蚁群算法路径规划可视化</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: 'Microsoft YaHei', Arial, sans-serif;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
min-height: 100vh;
padding: 20px;
}
.container {
max-width: 1400px;
margin: 0 auto;
}
h1 {
text-align: center;
color: white;
margin-bottom: 20px;
text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}
.main-content {
display: flex;
gap: 20px;
flex-wrap: wrap;
}
.control-panel {
flex: 0 0 320px;
background: white;
border-radius: 15px;
padding: 20px;
box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}
.control-panel h3 {
color: #667eea;
margin-bottom: 15px;
border-bottom: 2px solid #667eea;
padding-bottom: 10px;
}
.form-group {
margin-bottom: 15px;
}
.form-group label {
display: block;
margin-bottom: 5px;
color: #333;
font-weight: bold;
font-size: 14px;
}
.form-group input[type="number"] {
width: 100%;
padding: 8px 12px;
border: 2px solid #e0e0e0;
border-radius: 5px;
font-size: 14px;
transition: border-color 0.3s;
}
.form-group input[type="number"]:focus {
outline: none;
border-color: #667eea;
}
.form-group input[type="range"] {
width: 100%;
margin-top: 5px;
}
.slider-value {
text-align: center;
color: #667eea;
font-weight: bold;
margin-top: 5px;
}
.button-group {
display: flex;
gap: 10px;
margin-top: 20px;
}
button {
flex: 1;
padding: 12px 20px;
border: none;
border-radius: 8px;
font-size: 14px;
font-weight: bold;
cursor: pointer;
transition: all 0.3s;
}
.btn-primary {
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
color: white;
}
.btn-primary:hover {
transform: translateY(-2px);
box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}
.btn-primary:disabled {
opacity: 0.6;
cursor: not-allowed;
transform: none;
}
.btn-warning {
background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
color: white;
}
.btn-warning:hover {
transform: translateY(-2px);
box-shadow: 0 5px 15px rgba(245, 87, 108, 0.4);
}
.btn-secondary {
background: #f0f0f0;
color: #333;
}
.btn-secondary:hover {
background: #e0e0e0;
}
.mode-selector {
display: flex;
gap: 5px;
margin-bottom: 15px;
}
.mode-btn {
flex: 1;
padding: 10px;
border: 2px solid #e0e0e0;
background: white;
border-radius: 5px;
cursor: pointer;
font-size: 12px;
transition: all 0.3s;
}
.mode-btn.active {
border-color: #667eea;
background: #f0f4ff;
color: #667eea;
}
.mode-btn:hover {
border-color: #667eea;
}
.status-panel {
margin-top: 20px;
padding: 15px;
background: #f8f9fa;
border-radius: 8px;
}
.status-item {
display: flex;
justify-content: space-between;
margin-bottom: 8px;
font-size: 13px;
}
.status-item:last-child {
margin-bottom: 0;
}
.status-label {
color: #666;
}
.status-value {
color: #667eea;
font-weight: bold;
}
.canvas-container {
flex: 1;
min-width: 600px;
background: white;
border-radius: 15px;
padding: 20px;
box-shadow: 0 10px 30px rgba(0,0,0,0.2);
overflow-x: auto;
}
canvas {
display: block;
border: 2px solid #e0e0e0;
border-radius: 8px;
cursor: crosshair;
}
.legend {
display: flex;
flex-wrap: wrap;
gap: 15px;
margin-top: 15px;
padding: 10px;
background: #f8f9fa;
border-radius: 8px;
}
.legend-item {
display: flex;
align-items: center;
gap: 5px;
font-size: 12px;
}
.legend-color {
width: 20px;
height: 20px;
border-radius: 3px;
border: 1px solid #ccc;
}
.instructions {
margin-top: 15px;
padding: 10px;
background: #fff3cd;
border-radius: 8px;
font-size: 12px;
color: #856404;
}
.instructions h4 {
margin-bottom: 8px;
}
.instructions ul {
margin-left: 20px;
}
</style>
</head>
<body>
<div class="container">
<h1>蚁群算法路径规划可视化演示</h1>
<div class="main-content">
<div class="control-panel">
<h3>参数设置</h3>
<div class="form-group">
<label>选择绘图模式</label>
<div class="mode-selector">
<button class="mode-btn active" data-mode="start">起点</button>
<button class="mode-btn" data-mode="end">终点</button>
<button class="mode-btn" data-mode="obstacle">障碍物</button>
<button class="mode-btn" data-mode="erase">橡皮擦</button>
</div>
</div>
<div class="form-group">
<label>蚂蚁数量: <span id="antNumValue">50</span></label>
<input type="range" id="antNum" min="10" max="200" value="50">
</div>
<div class="form-group">
<label>迭代次数: <span id="iteratorNumValue">100</span></label>
<input type="range" id="iteratorNum" min="10" max="500" value="100">
</div>
<div class="form-group">
<label>信息素衰减系数 (p): <span id="pValue">0.7</span></label>
<input type="range" id="p" min="0.1" max="0.99" step="0.01" value="0.7">
</div>
<div class="form-group">
<label>信息素增强系数 (q): <span id="qValue">500</span></label>
<input type="range" id="q" min="100" max="2000" value="500">
</div>
<div class="form-group">
<label>信息素重要度 (alpha): <span id="alphaValue">1</span></label>
<input type="range" id="alpha" min="0.1" max="5" step="0.1" value="1">
</div>
<div class="form-group">
<label>启发信息重要度 (beta): <span id="betaValue">5</span></label>
<input type="range" id="beta" min="0.1" max="10" step="0.1" value="5">
</div>
<div class="form-group">
<label>动画速度 (ms/帧): <span id="speedValue">50</span></label>
<input type="range" id="speed" min="10" max="500" value="50">
</div>
<div class="button-group">
<button class="btn-primary" id="startBtn">开始算法</button>
<button class="btn-warning" id="resetBtn">重置</button>
</div>
<div class="button-group">
<button class="btn-secondary" id="pauseBtn" style="display: none;">暂停</button>
<button class="btn-secondary" id="clearObstacleBtn">清除障碍物</button>
</div>
<div class="status-panel">
<h3 style="font-size: 14px; margin-bottom: 10px;">算法状态</h3>
<div class="status-item">
<span class="status-label">当前迭代:</span>
<span class="status-value" id="currentIter">0</span>
</div>
<div class="status-item">
<span class="status-label">最优路径长度:</span>
<span class="status-value" id="bestLength">--</span>
</div>
<div class="status-item">
<span class="status-label">状态:</span>
<span class="status-value" id="status">等待配置...</span>
</div>
</div>
<div class="instructions">
<h4>使用说明:</h4>
<ul>
<li>点击"起点"后在画布上点击设置起点</li>
<li>点击"终点"后在画布上点击设置终点</li>
<li>点击"障碍物"后拖动绘制障碍物</li>
<li>设置完成后点击"开始算法"观看蚁群寻路过程</li>
</ul>
</div>
</div>
<div class="canvas-container">
<canvas id="canvas"></canvas>
<div class="legend">
<div class="legend-item">
<div class="legend-color" style="background: #4CAF50;"></div>
<span>起点</span>
</div>
<div class="legend-item">
<div class="legend-color" style="background: #f44336;"></div>
<span>终点</span>
</div>
<div class="legend-item">
<div class="legend-color" style="background: #333;"></div>
<span>障碍物</span>
</div>
<div class="legend-item">
<div class="legend-color" style="background: #FF9800;"></div>
<span>蚂蚁</span>
</div>
<div class="legend-item">
<div class="legend-color" style="background: #2196F3;"></div>
<span>最优路径</span>
</div>
<div class="legend-item">
<div class="legend-color" style="background: rgba(156, 39, 176, 0.3);"></div>
<span>信息素浓度</span>
</div>
</div>
</div>
</div>
</div>
<script src="ACAPath.js"></script>
<script>
const canvas = document.getElementById('canvas');
const ctx = canvas.getContext('2d');
const CELL_SIZE = 20;
const COLS = 50;
const ROWS = 30;
canvas.width = COLS * CELL_SIZE;
canvas.height = ROWS * CELL_SIZE;
ACAConfig.cols = COLS;
ACAConfig.rows = ROWS;
ACAConfig.cellSize = CELL_SIZE;
let currentMode = 'start';
let isDrawing = false;
let isAlgorithmRunning = false;
let isPaused = false;
let animationTimer = null;
let currentIteration = 0;
let ants = [];
const COLORS = {
background: '#fafafa',
grid: '#e0e0e0',
start: '#4CAF50',
end: '#f44336',
obstacle: '#333333',
ant: '#FF9800',
path: '#2196F3',
pheromone: '#9C27B0'
};
function initUI() {
document.querySelectorAll('.mode-btn').forEach(btn => {
btn.addEventListener('click', function() {
if (isAlgorithmRunning) return;
document.querySelectorAll('.mode-btn').forEach(b => b.classList.remove('active'));
this.classList.add('active');
currentMode = this.dataset.mode;
});
});
const sliders = ['antNum', 'iteratorNum', 'p', 'q', 'alpha', 'beta', 'speed'];
sliders.forEach(id => {
const slider = document.getElementById(id);
const display = document.getElementById(id + 'Value');
slider.addEventListener('input', function() {
display.textContent = this.value;
updateConfig();
});
});
document.getElementById('startBtn').addEventListener('click', startAlgorithm);
document.getElementById('pauseBtn').addEventListener('click', togglePause);
document.getElementById('resetBtn').addEventListener('click', resetAll);
document.getElementById('clearObstacleBtn').addEventListener('click', clearObstacles);
canvas.addEventListener('mousedown', handleMouseDown);
canvas.addEventListener('mousemove', handleMouseMove);
canvas.addEventListener('mouseup', handleMouseUp);
canvas.addEventListener('mouseleave', handleMouseUp);
}
function updateConfig() {
ACAConfig.antNum = parseInt(document.getElementById('antNum').value);
ACAConfig.iteratorNum = parseInt(document.getElementById('iteratorNum').value);
ACAConfig.p = parseFloat(document.getElementById('p').value);
ACAConfig.q = parseFloat(document.getElementById('q').value);
ACAConfig.alpha = parseFloat(document.getElementById('alpha').value);
ACAConfig.beta = parseFloat(document.getElementById('beta').value);
}
function getGridPos(e) {
const rect = canvas.getBoundingClientRect();
const x = Math.floor((e.clientX - rect.left) / CELL_SIZE);
const y = Math.floor((e.clientY - rect.top) / CELL_SIZE);
return { x: Math.max(0, Math.min(x, COLS - 1)), y: Math.max(0, Math.min(y, ROWS - 1)) };
}
function handleMouseDown(e) {
if (isAlgorithmRunning) return;
isDrawing = true;
handleAction(e);
}
function handleMouseMove(e) {
if (!isDrawing || isAlgorithmRunning) return;
if (currentMode === 'obstacle' || currentMode === 'erase') {
handleAction(e);
}
}
function handleMouseUp() {
isDrawing = false;
}
function handleAction(e) {
const pos = getGridPos(e);
switch (currentMode) {
case 'start':
if (!isObstacle(pos.x, pos.y) && !(ACAConfig.end && ACAConfig.end.x === pos.x && ACAConfig.end.y === pos.y)) {
ACAConfig.start = pos;
}
break;
case 'end':
if (!isObstacle(pos.x, pos.y) && !(ACAConfig.start && ACAConfig.start.x === pos.x && ACAConfig.start.y === pos.y)) {
ACAConfig.end = pos;
}
break;
case 'obstacle':
if (!(ACAConfig.start && ACAConfig.start.x === pos.x && ACAConfig.start.y === pos.y) &&
!(ACAConfig.end && ACAConfig.end.x === pos.x && ACAConfig.end.y === pos.y)) {
addObstacle(pos.x, pos.y);
}
break;
case 'erase':
removeObstacle(pos.x, pos.y);
break;
}
draw();
}
function addObstacle(x, y) {
if (!isObstacle(x, y)) {
ACAConfig.obstacles.push({ x, y });
}
}
function removeObstacle(x, y) {
ACAConfig.obstacles = ACAConfig.obstacles.filter(o => !(o.x === x && o.y === y));
}
function clearObstacles() {
if (isAlgorithmRunning) return;
ACAConfig.obstacles = [];
draw();
}
function draw() {
ctx.fillStyle = COLORS.background;
ctx.fillRect(0, 0, canvas.width, canvas.height);
ctx.strokeStyle = COLORS.grid;
ctx.lineWidth = 0.5;
for (let i = 0; i <= COLS; i++) {
ctx.beginPath();
ctx.moveTo(i * CELL_SIZE, 0);
ctx.lineTo(i * CELL_SIZE, canvas.height);
ctx.stroke();
}
for (let j = 0; j <= ROWS; j++) {
ctx.beginPath();
ctx.moveTo(0, j * CELL_SIZE);
ctx.lineTo(canvas.width, j * CELL_SIZE);
ctx.stroke();
}
if (pheromoneMatrix.length > 0) {
let maxPheromone = 0;
for (let y = 0; y < ROWS; y++) {
for (let x = 0; x < COLS; x++) {
if (pheromoneMatrix[y][x] > maxPheromone) {
maxPheromone = pheromoneMatrix[y][x];
}
}
}
for (let y = 0; y < ROWS; y++) {
for (let x = 0; x < COLS; x++) {
if (pheromoneMatrix[y][x] > 1 && !isObstacle(x, y)) {
const intensity = Math.min(pheromoneMatrix[y][x] / maxPheromone, 1);
ctx.fillStyle = `rgba(156, 39, 176, ${intensity * 0.5})`;
ctx.fillRect(x * CELL_SIZE, y * CELL_SIZE, CELL_SIZE, CELL_SIZE);
}
}
}
}
ctx.fillStyle = COLORS.obstacle;
ACAConfig.obstacles.forEach(o => {
ctx.fillRect(o.x * CELL_SIZE + 1, o.y * CELL_SIZE + 1, CELL_SIZE - 2, CELL_SIZE - 2);
});
if (ACAConfig.start) {
drawCircle(ACAConfig.start, COLORS.start, 'S');
}
if (ACAConfig.end) {
drawCircle(ACAConfig.end, COLORS.end, 'E');
}
if (ants.length > 0) {
ctx.fillStyle = COLORS.ant;
ants.forEach(ant => {
if (ant.length > 0) {
const pos = ant[ant.length - 1];
ctx.beginPath();
ctx.arc(pos.x * CELL_SIZE + CELL_SIZE / 2, pos.y * CELL_SIZE + CELL_SIZE / 2, CELL_SIZE / 4, 0, Math.PI * 2);
ctx.fill();
}
});
}
if (bestPath && bestPath.length > 0) {
ctx.strokeStyle = COLORS.path;
ctx.lineWidth = 3;
ctx.lineCap = 'round';
ctx.lineJoin = 'round';
ctx.beginPath();
ctx.moveTo(bestPath[0].x * CELL_SIZE + CELL_SIZE / 2, bestPath[0].y * CELL_SIZE + CELL_SIZE / 2);
for (let i = 1; i < bestPath.length; i++) {
ctx.lineTo(bestPath[i].x * CELL_SIZE + CELL_SIZE / 2, bestPath[i].y * CELL_SIZE + CELL_SIZE / 2);
}
ctx.stroke();
}
}
function drawCircle(pos, color, text) {
ctx.fillStyle = color;
ctx.beginPath();
ctx.arc(pos.x * CELL_SIZE + CELL_SIZE / 2, pos.y * CELL_SIZE + CELL_SIZE / 2, CELL_SIZE / 2 - 2, 0, Math.PI * 2);
ctx.fill();
ctx.fillStyle = 'white';
ctx.font = 'bold 14px Arial';
ctx.textAlign = 'center';
ctx.textBaseline = 'middle';
ctx.fillText(text, pos.x * CELL_SIZE + CELL_SIZE / 2, pos.y * CELL_SIZE + CELL_SIZE / 2);
}
function startAlgorithm() {
if (!ACAConfig.start) {
alert('请先设置起点！');
return;
}
if (!ACAConfig.end) {
alert('请先设置终点！');
return;
}
updateConfig();
if (!initACA()) {
alert('初始化失败！');
return;
}
isAlgorithmRunning = true;
isPaused = false;
currentIteration = 0;
ants = [];
document.getElementById('startBtn').style.display = 'none';
document.getElementById('pauseBtn').style.display = 'block';
document.getElementById('pauseBtn').textContent = '暂停';
document.getElementById('status').textContent = '运行中...';
runIteration();
}
function runIteration() {
if (!isAlgorithmRunning) return;
if (isPaused) {
animationTimer = setTimeout(runIteration, 100);
return;
}
if (currentIteration >= ACAConfig.iteratorNum) {
finishAlgorithm();
return;
}
const result = acaSearchOneIteration();
currentIteration++;
ants = result.validPaths.slice(0, Math.min(result.validPaths.length, 20));
document.getElementById('currentIter').textContent = currentIteration;
if (result.bestPathLength < Infinity) {
document.getElementById('bestLength').textContent = result.bestPathLength.toFixed(2);
}
draw();
const speed = parseInt(document.getElementById('speed').value);
animationTimer = setTimeout(runIteration, speed);
}
function togglePause() {
isPaused = !isPaused;
document.getElementById('pauseBtn').textContent = isPaused ? '继续' : '暂停';
document.getElementById('status').textContent = isPaused ? '已暂停' : '运行中...';
}
function finishAlgorithm() {
isAlgorithmRunning = false;
ants = [];
document.getElementById('startBtn').style.display = 'block';
document.getElementById('pauseBtn').style.display = 'none';
document.getElementById('status').textContent = '已完成！';
draw();
}
function resetAll() {
if (animationTimer) {
clearTimeout(animationTimer);
}
isAlgorithmRunning = false;
isPaused = false;
currentIteration = 0;
ants = [];
ACAConfig.start = null;
ACAConfig.end = null;
ACAConfig.obstacles = [];
pheromoneMatrix = [];
heuristicMatrix = [];
bestPath = [];
bestPathLength = Infinity;
resetACA();
document.getElementById('startBtn').style.display = 'block';
document.getElementById('pauseBtn').style.display = 'none';
document.getElementById('currentIter').textContent = '0';
document.getElementById('bestLength').textContent = '--';
document.getElementById('status').textContent = '等待配置...';
draw();
}
initUI();
draw();
</script>
</body>
</html>