canvas炫酷烟花绽放粒子动画效果代码-html代码-BFW代码库

canvas炫酷烟花绽放粒子动画效果代码

代码语言：html

所属分类：粒子

代码描述：canvas炫酷烟花绽放粒子动画效果代码

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<!DOCTYPE html>
<html lang="en" >
<head>
  <meta charset="UTF-8">
<style>
    body, html {
    background-color: #000;
    color: #fff;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
}
canvas {
    position:absolute;
    top:0;
    left:0
}
</style>

</head>
<body>

<canvas id="canvas"></canvas>

  <script >
      (function () {
    var requestAnimationFrame = window.requestAnimationFrame || window.mozRequestAnimationFrame || window.webkitRequestAnimationFrame || window.msRequestAnimationFrame;
    window.requestAnimationFrame = requestAnimationFrame;
})();


var canvas = document.getElementById("canvas"),
    ctx = canvas.getContext("2d"),
    width = 0,
    height = 0,
    vanishPointY = 0,
    vanishPointX = 0,
    focalLength = 300,
    angleX = 180,
    angleY = 180,
    angleZ = 180,
    angle = 0,
    cycle = 0,
    colors = {r : 255, g : 0, b : 0},
    lastShot = new Date().getTime();

canvas.width = width;
canvas.height = height;


function drawStar(cx, cy, spikes.........完整代码请登录后点击上方下载按钮下载查看