canvas+webgl实现图形放大反色动画效果代码-html代码-BFW代码库

canvas+webgl实现图形放大反色动画效果代码

代码语言：html

所属分类：动画

代码描述：canvas+webgl实现图形放大反色动画效果代码

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>
*{ margin: 0px;}
</style>

  
  
</head>

<body translate="no">
  <div id="shader"></div>
<script id="vertex" type="x-shader/x-vertex">
  varying vec2 vUv;
	void main() { gl_Position = vec4(position, 1.0);
               vUv = uv;
              }
</script>

<script id="fragment" type="x-shader/x-fragment">
precision highp float;

uniform vec2 u_resolution;
uniform float u_time;
  varying vec2 vUv;
 
const float PI = 3.1415926535897932384626433832795;
const float TAU = PI * 2.;
const float HALF_PI = PI * .5;
  
float wiggly(float cx, float cy, float amplitude, float frequency, float spread){

  float w = sin(cx * amplitude * frequency * PI) * cos(cy * amplitude * frequency * PI) * spread;

  return w;
}

  float shape( in vec2 p, float sides ,float size)
{
  
   float d = 0.0;
  vec2 st = p *2.-1.;

  // Number of sides of your shape
  float N = sides ;

  // Angle and radius from the current pixel
  float a = atan(st.x,st.y)+PI ;
  floa.........完整代码请登录后点击上方下载按钮下载查看