simplex-noise曲线动画效果代码-html代码-BFW代码库

simplex-noise曲线动画效果代码

代码语言：html

所属分类：动画

代码描述：simplex-noise曲线动画效果代码

代码标签：效果

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 {
            margin: 0;
            height: 100vh;
            overflow: hidden;
            background: white;
            display: flex;
            justify-content: center;
            align-items: center;
            overflow: hidden;
            background: black;
        }
        body:before {
            content: "";
            width: var(--radius);
            height: var(--radius);
            --shadow: calc(var(--radius) *.1);
            position: absolute;
            top: 50%;
            left: 50%;
            z-index: 2;
            border-radius: 50%;
            transform: translate(-50%, -50%);
            box-shadow: inset 0 0 var(--shadow) var(--shadow) black, 0 0 0 10px black;
        }
        body:after {
            content: "";
            width: var(--radius);
            height: var(--radius);
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            z-index: 3;
            border-radius: 50%;
            mix-blend-mode: overlay;
        }

        canvas {
            border-radius: 50%;
            box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.4);
            position: relative;
            z-index: 1;
        }

        .tp-dfwv {
            z-index: 10;
        }
    </style>


</head>

<body>


    <canvas id="canvas"></canvas>
    <script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/simplex-noise.min.js"></script>
    <script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/tweakpane.3.02.js"></script>
    <script>
        /*--------------------
Setup
--------------------*/
        const canvas = document.getElementById('canvas');
        const ctx = canvas.getContext('2d');
        let time = 0;
        const devicePixelRatio = window.devicePixelRatio || 1;
        const simplex = new SimplexNoise();
        const o = {
            radius: 300,
            segments: 40,
            rows: 45,
            amplitude: 75,
            speed: 0.5,
            noise: 0.023,
            opacity: .3,
            shadow: .3
        };



        /*--------------------
Resize
--------------------*/
        const onResize = () => {
            canvas.width = o.radius * devicePixelRatio;
            canvas.height = o.radius * devicePixelRati.........完整代码请登录后点击上方下载按钮下载查看