canvas龙卷风漩涡动画效果代码
代码语言:html
所属分类:动画
代码描述:canvas龙卷风漩涡动画效果代码
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>
html, body {
margin: 0;
padding: 0;
overflow: hidden;
}
</style>
</head>
<body translate="no">
<canvas id="c">
<script >
const c = document.querySelector('#c');
const ctx = c.getContext('2d');
const dpr = Math.min(2, window.devicePixelRatio);
const makeCtx = (w, h) => {
const c = document.createElement("canvas");
const ctx = c.getContext("2d");
c.width = w;
c.height = h;
return ctx;
};
function pseudoRandom(seed) {
return Math.sin(seed) * 10000 - Math.floor(Math.sin(seed) * 10000);
}
function noise(x, y) {
const seed = x * 137 + y * 149.........完整代码请登录后点击上方下载按钮下载查看
















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