webgl实现三维水晶金色方块旋转效果代码-html代码-BFW代码库

webgl实现三维水晶金色方块旋转效果代码

代码语言：html

所属分类：三维

代码描述：webgl实现三维水晶金色方块旋转效果代码

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>
body {
  background: #333;
  color: #fff;
  font-family: sans-serif;
}
body,
html {
  margin: 0;
  overflow: hidden;
  padding: 0;
}
canvas {
  width:100%;
  height:100%;
  }
</style>


</head>

<body >
  <script type="text/fragment" id="vertShader">
  attribute vec3 position;
  attribute vec3 normal;
  attribute vec2 uv;
  uniform mat4 u_viewMatrix;
  uniform mat4 u_modelMatrix;
  uniform mat4 u_modelViewMatrix;
  uniform mat4 u_projectionMatrix;
  uniform mat3 u_normalMatrix;
  varying vec3 vNormal;
  varying vec3 vPosition;
  varying vec3 vWorldPosition;
  varying vec2 vUV;
  
  void main() {
    vNormal = normalize(u_normalMatrix * normal);
    vUV = uv;
    vec4 camPos = u_projectionMatrix * u_modelViewMatrix * vec4(position, 1.0);
    
    gl_Position = camPos;
    
    vWorldPosition = (u_modelMatrix * vec4(0,0,0, 1.0)).xyz;
    vPosition = (u_modelMatrix * vec4(position, 1.0)).xyz;
  }
</script>
<script type="text/fragment" id="fragShader">
  precision highp float;
  varying vec3 vNormal;
  varying vec2 vUV;
  varying vec4 camPos;
  varying vec3 vPosition;
  varying vec3 vWorldPosition;
  uniform vec3 u_cameraPosition;
  
  uniform mat4 u_matrix;
  
  /* Raymarching constants */
  /* --------------------- */
  const float MAX_TRACE_DISTANCE = 10.;             // max trace distance
  const float INTERSECTION_PRECISION = 0.001;       // precision of the intersection
  const int NUM_OF_TRACE_STEPS = 64;               // max number of trace steps
  const float STEP_MULTIPLIER = 1.;
  
  /* Structures */
  /* ---------- */
  struct Camera {
    vec3 ro;
    vec3 rd;
    float FOV;
  };
  struct Surface {
    float len;
    vec3 position;
    vec3 colour;
    float id;
    float steps;
    float AO;
  };
  struct Model {
    float dist;
    vec3 colour;
    float id;
  };
  
  Camera getCamera(in vec3 ro, in vec3 rd, in float FOV) {
    return Camera(
.........完整代码请登录后点击上方下载按钮下载查看