js打造螺旋状图案转动动画效果

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">

<title> Whorlpool</title>
<style>
  body
{
 
background-color: #000;    
 
margin: 0;
 
overflow: hidden;
 
background-repeat: no-repeat;
}
</style>

</head>
<body translate="no">
<body>
<canvas id="canvas" width="1400" height="600"></canvas>
</body>

<script>
      var canvas = document.getElementById("canvas");
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
var gl = canvas.getContext('webgl');

//Time
var dt = .002;
var time = 3.0;

//************** Shader sources **************
var vertexSource = `
attribute vec2 position;
void main() {
  gl_Position = vec4(position, 0.0, 1.0);
}
`;

var fragmentSource = `
#define PI .........完整代码请登录后点击上方下载按钮下载查看

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