webgl实现三维玻璃材质立方体透视反射水火烟雾动画效果代码-html代码-BFW代码库

webgl实现三维玻璃材质立方体透视反射水火烟雾动画效果代码

代码语言：html

所属分类：三维

代码描述：webgl实现三维玻璃材质立方体透视反射水火烟雾动画效果代码

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>
* {
    box-sizing: border-box;
  }
  
  html, body {
    margin: 0;
    min-height: 100vh;
    overflow: hidden;
    
    background:
    repeating-radial-gradient(
    circle at center,
      #444 0 10%,
      #111 10% 20%
    );
    
    touch-action: none;
  }
  
  canvas {
    width: 100%;
    height: auto;
    object-fit: contain;
  }
</style>



</head>

<body  >
  <canvas id="canvas"></canvas>
 
  
      <script  >
/*********
 * made by Matthias Hurrle (@atzedent)
 */

/** @type {HTMLCanvasElement} */
const canvas = window.canvas;
const gl = canvas.getContext("webgl2");
const dpr = Math.max(1, .5 * window.devicePixelRatio);
/** @type {Map<string,PointerEvent>} */
const touches = new Map();

const vertexSource = `#version 300 es
#ifdef GL_FRAGMENT_PRECISION_HIGH
precision highp float;
#else
precision mediump float;
#endif

in vec2 position;

void main(void) {
    gl_Position = vec4(position, 0., 1.);
}
`;
const fragmentSource = `#version 300 es
/*********
* made by Matthias Hurrle (@atzedent)
*/

#ifdef GL_FRAGMENT_PRECISION_HIGH
precision highp float;
#else
precision mediump float;
#endif

out vec4 fragColor;

uniform vec2 resolution;
uniform float time;
uniform int pointerCount;
uniform vec2 touch;

const vec3 roomsize=vec3(6,4,6)*1.25;
const vec3 boxsize=vec3(1,1.25,1);
const float walleps=1e-3;

#define T time
#define S smoothstep
#define mouse (touch/resolution)
#define rot(a) mat2(cos(a),-sin(a),sin(a),cos(a))

float tick(float t,float e) {
    return floor(t)+pow(S(.0,1.,S(.0,1.,fract(t))),e);
}

float box(vec3 p,vec3 s,float r) {
    p=abs(p)-s;

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