canvas+webgl实现光感液体波动动画效果代码-html代码-BFW代码库

canvas+webgl实现光感液体波动动画效果代码

代码语言：html

所属分类：动画

代码描述：canvas+webgl实现光感液体波动动画效果代码

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">
  

  
</head>

<body translate="no">
  
  
      <script >
const canvas = document.createElement("canvas");
const gl = canvas.getContext("webgl2");

document.body.innerHTML = "";
document.body.appendChild(canvas);
document.body.style = "margin: 0;overflow: hidden;";
canvas.style.width = "100%";
canvas.style.height = "auto";

const dpr = window.devicePixelRatio;

function resize() {
  const {
    innerWidth: width,
    innerHeight: height } =
  window;

  canvas.width = width * dpr;
  canvas.height = height * dpr;

  gl.viewport(0, 0, width * dpr, height * dpr);
}
window.onresize = resize;

const vertexSource = `#version 300 es
    #ifdef GL_FRAGMENT_PRECISION_HIGH
    precision highp float;
    #else
    precision mediump float;
    #endif
    
    in vec4 position;
    
    void main(void) {
    	gl_Position = position;
    }
    `;

const fragmentSource = `#version 300 es
    #ifdef GL_FRAGMENT_PRECISION_HIGH
    precision highp float;
    #else
    precision mediump float;
    #endif
    
    out vec4 fragColor;
    
    uniform vec2 resolution;
    uniform float time;
    
    #define T time

    mat2 rot(float a) {
	    float s=sin(a), c=cos(a);
	    return mat2(c,-s,s,c);
    }

    void main() {
      vec2 uv = (
      	gl_FragCoord.xy-.5*resolution
      )/min(resolution.x,resolution.y);
    
      uv *= 6.;
    
      vec3 col = vec3(0);
      float t = T, tt = t*.1, d = .0;
    
      uv *= rot(tt);
    
      for (int i = 0; i < 3; i++) {
      	float n = float(4-i);
      	uv -= vec2(sin(t),cos(t))*.02;
        d = length(uv);
        t -= .05;
    
    		vec2 p = uv;
        p += p*=1.618;
        p *= sin(d-t)*.5;
        p *= cos(d*.5-t)*.5;
    
        p += vec2(sin(tt),cos(tt))*.........完整代码请登录后点击上方下载按钮下载查看