canvas+webgl实现灵感线条飘动动画效果代码-html代码-BFW代码库

canvas+webgl实现灵感线条飘动动画效果代码

代码语言：html

所属分类：动画

代码描述：canvas+webgl实现灵感线条飘动动画效果代码

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;
#define FC gl_FragCoord.xy
#define R resolution
#define T time
#define S smoothstep
#define MN min(R.x,R.y)
#define SE(v,s) S(s+1./MN,s-1./MN,v)
float pattern(vec2 uv) {
	float d=.0;
	for (float i=.0; i<3.; i++) {
		uv.x+=sin(T*(1.+i)+uv.y*1.5)*.2;
		d+=.005/abs(uv.x);
	}
	return d;	
}
vec3 scene(vec2 uv) {
	vec3 col=vec3(0);
	uv=vec2(atan(uv.x,uv.y)*2./6.28318,-log(length(uv))+T);
	for (float i=.0; i<3.; i++) {
		int k=int(mod(i,3.));
		col[k]+=pattern(uv+i*6./MN);
	}
	return col;
}
void main() {
	vec2 uv=(FC-.5*R)/MN;
	vec3 col=vec3(0);
	float s=12., e=9e-4;
	col+=e/(sin(uv.x*s)*cos(uv.y*s));
	uv.y+=R.x>R.y?.5:.5*(R.y/R.x);
	col+=scene(uv);
	O=vec4(col,1);
}</script>
  
      <script  >.........完整代码请登录后点击上方下载按钮下载查看