three实现渐变流体流动动画背景效果代码-html代码-BFW代码库

three实现渐变流体流动动画背景效果代码

代码语言：html

所属分类：背景

代码描述：three实现渐变流体流动动画背景效果代码

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>
* {
  -webkit-user-select: none;
     -moz-user-select: none;
      -ms-user-select: none;
          user-select: none;
}

body {
  height: 100vh;
  background-color: rebeccapurple;
  margin: 0;
  padding: 0;
  overflow: hidden;
  position: relative;
}
</style>



</head>

<body>
  <!-- Shader Collab
 * By eliza & ilithya | 2020
 *
 * https://www.elizasj.com/
 * https://twitter.com/iamelizasj
 *
 * https://www.ilithya.rocks/
 * https://twitter.com/ilithya_rocks -->

<div id="shadercollab"></div>
<script id="vertex" type="x-shader/x-vertex">
	void main() { gl_Position = vec4(position, 1.0); }
</script>

<script id="fragment" type="x-shader/x-fragment">
precision highp float;

uniform vec2 u_resolution;
uniform float u_time;
	
#define PI 3.14159265359

void main() {
	vec2 uv = (gl_FragCoord.xy - u_resolution * .5) / u_resolution.yy; // Move center to the top right and resize our pixels
	
	/* uv.x -> from right to left */
	/* uv.y -> from top to bottom */
	
	// Use polar coordinates instead of cartesian
    vec2 toCenter = vec2(0.5)-uv;
	float angle = atan(toCenter.y, toCenter.x);
    float radius = length(toCenter)*2.0;    
	 
    float background = uv.y + 0.5; 
	float curvePi = PI*(angle - sin(u_time + radius));
    float curves = cos(uv.y*curvePi) + sin(uv.x*curvePi);
	
    float r = sin(background*.7);
    float g = cos(curves);
    float b = 5.; // influences color of bg & curves
	
	vec3 color = vec3(r, g, b); // bg & curves
	vec3 softenColor = mix(
		color, 
		vec3(0.5, .2, 0.1), 
		0.5 // interpolation value - floating number
	);
		
	gl_FragCol.........完整代码请登录后点击上方下载按钮下载查看