wtc实现带阴影大小圈圈碰撞粒子流动动画效果代码-html代码-BFW代码库

wtc实现带阴影大小圈圈碰撞粒子流动动画效果代码

代码语言：html

所属分类：粒子

代码描述：wtc实现带阴影大小圈圈碰撞粒子流动动画效果代码

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>
body {
  background: #666;
  margin: 0;
  overflow: hidden;
}
canvas {
  height: 100vh;
  width: 100vw;
  touch-action: none;
}
.osc {
  left: 0px;
  position: fixed;
  top: 0px;
}

.button {
  position: fixed;
  z-index: 10;
  right: 0;
  bottom: 0;
}
.controls {
  position: fixed;
  z-index: 10;
  left: 0;
  bottom: 0;
}
.playpause {
  background: #AAB;
  padding: 10px;
}
.playpause label {
  display: block;
  box-sizing: border-box;

  width: 0;
  height: 20px;

  cursor: pointer;

  border-color: transparent transparent transparent #202020;
  transition: 100ms all ease;
  will-change: border-width;

  border-style: double;
  border-width: 0px 0 0px 20px;
}
.playpause input[type='checkbox'] {
  visibility: hidden;
}
.playpause.checked label {
  border-style: double;
  border-width: 0px 0 0px 20px;
}
.playpause label {
  border-style: solid;
  border-width: 10px 0 10px 20px;
}
/* } */
</style>

  


</head>

<body >
  <script id="vertexShader_particle" type="x-shader/x-vertex">
  precision highp float;
  attribute vec2 reference;
  attribute vec2 position;
  
  uniform vec2 u_resolution;
  uniform vec2 u_screen;
  
  uniform sampler2D b_position;
  
  varying vec3 v_colour;
  varying float v_fogDepth;
  varying float pointsize;
  
  float rand(vec2 n) { 
    return fract(sin(dot(n, vec2(12.9898, 4.1414))) * 43758.5453);
  }
  
  void main() {
    vec2 position = texture2D(b_position, reference).xy;
    gl_PointSize = 100. * rand(reference);
    pointsize = gl_PointSize;
    vec2 p = position/u_resolution;
    v_colour = vec3(1,1,1);
    vec4 pos = vec4(position / u_resolution * 2. - 1., 0., 1.);
    gl_Position = vec4(pos.xy,.........完整代码请登录后点击上方下载按钮下载查看