webgl实现五角形变换背景动画效果代码-html代码-BFW代码库

webgl实现五角形变换背景动画效果代码

代码语言：html

所属分类：背景

代码描述：webgl实现五角形变换背景动画效果代码

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>
html {
  height: 100%;
}
body {
  background: #3e3e3e;
  overflow: hidden;
  padding: 0;
  margin: 0;
  width: 100%;
  height: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
}
canvas {
  border: 5px solid #5e5e5e;
  box-shadow: 2px 10px 13px rgba(0, 0, 0, 0.25);
  margin: auto auto 16px auto;
}
.container {
  color: #fff;
  font-size: 14px;
  font-family: arial, helvetics, san-serrif;
  margin: auto;
}
</style>


</head>

<body translate="no" >
  <!-- VertexShader code here -->
<script id="vertexShader" type="x-shader/x-vertex">#version 300 es
precision highp float;
in vec4 vPosition;
void main() {
        gl_Position = vPosition;
}
</script>
<!-- FragmentShader code here -->
<script id="fragmentShader" type="x-shader/x-fragment">#version 300 es
precision highp float;
out vec4 fragColor;

uniform vec2 resolution;
uniform float time;

/**
        Hexagon Truchet Tiles
        Just playing around to experiment
        with tiles and drawing / mixing
        elements in 2D shaders.

*/

#define PI              3.1415926
#define PI2             6.2831853
#define T                       time*.35
#define S                       smoothstep
#define R                       resolution
#define r2(a)  mat2(cos(a), sin(a), -sin(a), cos(a))
#define hash(a,b) fract(sin(dot(vec2(a,b), vec2(127.47, 57.85)))*43758.5453)

//https://www.iquilezles.org/www/articles/palettes/palettes.htm
vec3 get_hue(in float r){
    vec3 hueShift = vec3(2, 1., 0.5);
        return .5 + .45*cos(r + hueShift)*.75;
}

void main(){
    // Aspect correct screen coordinates.
    vec2 uv = gl_FragCoord.xy/R.y;
    vec2 fv = uv;
    float wdf = .2*fv.y;
    
    // Scene scaling and transalation.
    uv -= vec2(.5-T*.1,1.);
    uv *= 7.;
   // uv *=r2(T*.5);
    const vec2 s = vec2(sqrt(3.), .........完整代码请登录后点击上方下载按钮下载查看