webgl实现草原上的七星瓢虫三维爬行效果代码-html代码-BFW代码库

webgl实现草原上的七星瓢虫三维爬行效果代码

代码语言：html

所属分类：三维

代码描述：webgl实现草原上的七星瓢虫三维爬行效果代码

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: #286870;
  background: -moz-linear-gradient(180deg, #286870 0%, #0b232b 62%, #588849 100%);
  background: -webkit-linear-gradient(180deg, #286870 0%, #0b232b 62%, #588849 100%);
  background: linear-gradient(180deg, #286870 0%, #0b232b 62%, #588849 100%);
  overflow: hidden;
  padding: 0;
  margin: 0;
  width: 100%;
  height: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
}
canvas {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
  outline: none;
  box-shadow: 2px 20px 13px rgba(0, 0, 0, 0.75);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 450px;
  z-index: 0;
}
</style>



</head>

<body >
  <!-- 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 vec4 mouse;
uniform vec2 resolution;
uniform float time;

#define R           resolution
#define T           time
#define M           mouse

#define PI  3.14159265359
#define PI2 6.28318530718

#define MAX_DIST    120.
#define MIN_DIST    .0005

float hash21(vec2 p) { return fract(sin(dot(p,vec2(23.86,48.32)))*4374.432); }
vec2  hash2( vec2 p) { return fract(sin(vec2(dot(p,vec2(127.1,311.7)),dot(p,vec2(269.5,183.3))))*43758.5453); }
vec3  hash3( vec2 p) {
    vec3 q = vec3( dot(p,vec2(127.1,311.7)), dot(p,vec2(269.5,183.3)), dot(p,vec2(419.2,371.9)) );
	return fract(sin(q)*43758.5453);
}

mat2 rot(float a) { return mat2(cos(a),.........完整代码请登录后点击上方下载按钮下载查看