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fireworksdp.html
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<!DOCTYPE html>
<html>
<head>
<title>量子烟花实验室</title>
<style>
body {
margin: 0;
overflow: hidden;
background: #000;
cursor: crosshair;
}
canvas {
position: absolute;
}
#stats {
position: fixed;
top: 10px;
left: 10px;
color: #fff;
font-family: Arial;
font-size: 12px;
}
</style>
</head>
<body>
<canvas id="canvas"></canvas>
<div id="stats">量子烟花系统已就绪 | 当前模式：超新星爆发</div>
<audio id="explosionSound" src="https://actions.google.com/sounds/v1/explosions/explosion_1.ogg"></audio>
<script>
const canvas = document.getElementById('canvas');
const ctx = canvas.getContext('2d');
const audio = document.getElementById('explosionSound');
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
const particles = [];
const particleCount = 300;
const gravity = 0.05;
let mouseX = 0;
let mouseY = 0;
let isMouseDown = false;
// 高级颜色生成器
const generateColor = () => {
const hue = Math.random() * 360;
return `hsl(${hue}, 100%, 50%)`;
};
class Particle {
constructor(x, y, isOrigin) {
this.x = x;
this.y = y;
this.alpha = 1;
this.decay = Math.random() * 0.015 + 0.015;
this.size = Math.random() * 3 + 1;
if(isOrigin) {
this.velocity = {
x: (Math.random() - 0.5) * 10,
y: (Math.random() - 0.5) * 10
};
this.color = '#FFF';
} else {
const angle = Math.random() * Math.PI * 2;
const speed = Math.cos(Math.random() * Math.PI / 2) * 15;
this.velocity = {
x: Math.cos(angle) * speed,
y: Math.sin(angle) * speed
};
this.color = generateColor();
}
}
update() {
this.velocity.y += gravity;
this.x += this.velocity.x;
this.y += this.velocity.y;
this.alpha -= this.decay;
}
draw() {
ctx.save();
ctx.globalAlpha = this.alpha;
ctx.beginPath();
ctx.arc(this.x, this.y, this.size, 0, Math.PI * 2);
ctx.fillStyle = this.color;
ctx.fill();
ctx.restore();
}
}
// 生成烟花
const createFirework = (x, y) => {
audio.currentTime = 0;
audio.play();
// 创建初始粒子
for(let i = 0; i < 10; i++) {
particles.push(new Particle(x, y, true));
}
// 创建爆炸粒子
for(let i = 0; i < particleCount; i++) {
particles.push(new Particle(x, y));
}
};
// 动画循环
const animate = () => {
ctx.fillStyle = 'rgba(0, 0, 0, 0.1)';
ctx.fillRect(0, 0, canvas.width, canvas.height);
// 绘制拖尾效果
if(isMouseDown) {
ctx.fillStyle = generateColor();
ctx.beginPath();
ctx.arc(mouseX, mouseY, 5, 0, Math.PI * 2);
ctx.fill();
}
particles.forEach((particle, index) => {
particle.update();
particle.draw();
if(particle.alpha <= 0) {
particles.splice(index, 1);
}
});
requestAnimationFrame(animate);
};
// 事件监听
window.addEventListener('resize', () => {
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
});
canvas.addEventListener('mousemove', (e) => {
mouseX = e.clientX;
mouseY = e.clientY;
});
canvas.addEventListener('mousedown', () => {
isMouseDown = true;
});
canvas.addEventListener('mouseup', (e) => {
isMouseDown = false;
createFirework(e.clientX, e.clientY);
});
// 启动
animate();
// 自动演示模式
setInterval(() => {
if(Math.random() > 0.8) {
createFirework(
Math.random() * canvas.width,
Math.random() * canvas.height
);
}
}, 2000);
// 键盘控制
window.addEventListener('keydown', (e) => {
if(e.code === 'Space') {
createFirework(
Math.random() * canvas.width,
Math.random() * canvas.height