twgl实现webgl方块翻转动画效果代码-html代码-BFW代码库

twgl实现webgl方块翻转动画效果代码

代码语言：html

所属分类：动画

代码描述：twgl实现webgl方块翻转动画效果代码

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: #333;
  overflow: hidden;
  padding: 0;
  margin: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
}
canvas {
  height: 100%;
  width: 100%;
}
</style>


</head>

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

<!-- FragmentShader code here -->
<script id="fragmentShader" type="x-shader/x-fragment">#version 300 es
#if __VERSION__ < 130
#define TEXTURE2D texture2D
#else
#define TEXTURE2D texture
#endif
precision highp float;
out vec4 fragColor;
uniform vec2 u_resolution;
uniform vec4 u_mouse;
uniform float u_time;
uniform sampler2D iChannel0;
uniform sampler2D iChannel1;
  
#define R   u_resolution
#define T   u_time
#define M   u_mouse

#define PI  3.1415926
#define PI2 6.2831853

#define MIN_DIST 1e-3
#define MAX_DIST 40.

#define eoc(t) (t=t-1.)*t*t+1.
#define eic(t) t*t*t


vec3 hit,hp;
mat2 mx,my,nx,ny,mz,mw,nz,nw;

mat2 rot (float a) { return mat2(cos(a),sin(a),-sin(a),cos(a)); }
float hash21( vec2 p ) { return fract(sin(dot(p,vec2(23.43,35.23))) *472.323); }

// timing functions
float lerp (float b, float e, float t) { return clamp((t - b) / (e - b),.........完整代码请登录后点击上方下载按钮下载查看