webgl+canvas炫酷屏保动画效果代码-html代码-BFW代码库

webgl+canvas炫酷屏保动画效果代码

代码语言：html

所属分类：动画

代码描述：webgl+canvas炫酷屏保动画效果代码

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">

  
  
  
</head>

<body translate="no">
  <script type="x-shader/x-fragment">#version 300 es
/*********
* made by Matthias Hurrle (@atzedent)
*/ 
precision highp float;
out vec4 O;
uniform float time;
uniform vec2 resolution;
uniform vec2 touch;
uniform int pointerCount;
#define P pointerCount
#define mouse ((touch-.5*R)/min(R.x,R.y))
#define FC gl_FragCoord.xy
#define R resolution
#define T time
#define S smoothstep
#define N normalize
#define rot(a) mat2(cos(a-vec4(0,11,33,0)))
float rnd(vec2 p) {
  return fract(sin(dot(p, vec2(12.9898, 78.233)))*345678.);
}
float noise(vec2 p) {
  vec2 i = floor(p),
  f = fract(p),
  u = S(.0, 1., f);

  float
  a = rnd(i),
  b = rnd(i+vec2(1, 0)),
  c = rnd(i+vec2(0, 1)),
  d = rnd(i+1.);

  return mix(mix(a, b, u.x), mix(c, d, u.x), u.y);
}
vec3 palette(float t) {
  vec3
  a = vec3(.65),.........完整代码请登录后点击上方下载按钮下载查看