js实现风吹动画-html代码-BFW代码库

js实现风吹动画

代码语言：html

所属分类：动画

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;
        }

        body {
            overflow: hidden;
            width: 100vw;
            height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
        }
    </style>

</head>
<body translate="no">
    <canvas class="js-canvas"></canvas>

    <script type="text/javascript" src="http://repo.bfw.wiki/bfwrepo/js/simplex-noise.min.js"></script>
    <script>
        const simplex = new SimplexNoise();

        const getAngleBetween = (vec1, vec2) => Math.atan2(vec2.y - vec1.y, vec2.x - vec1.x);
        const randomArrayValue = arr => arr[Math.floor(Math.random() * arr.length)];

        const palettes = [
            ['#f65c78', '#ffd271', '#fff3af', '#c3f584'],
            ['#111d5e', '#b21f66', '#fe346e', '#ffbd69'],
            ['#36b5b0', '#9dd8c8', '#f09595', '#fcf5b0'],
            ['#015668', '#263f44', '#ffd369', '#fff1cf']];


        const canvas = document.querySelector('.js-canvas');
        const ctx = canvas.getContext('2d');

        const TAU = Math.PI * 2;

        const width = window.innerWidth;
        const height = window.innerHeight;

        const midX = width >> 1;
        const midY = height >> 1;

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

        let phase = 0;
        let phaseSpeed = 0.001;
.........完整代码请登录后点击上方下载按钮下载查看