gl-matrix+webgl实现三维城市河面上穿行灯光倒影动画效果代码-html代码-BFW代码库

gl-matrix+webgl实现三维城市河面上穿行灯光倒影动画效果代码

代码语言：html

所属分类：三维

代码描述：gl-matrix+webgl实现三维城市河面上穿行灯光倒影动画效果代码

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>
@import url("https://fonts.googleapis.com/css2?family=Roboto&display=swap");

body, html {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #001;
}
canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

#controls {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  display: flex;
  align-items: center;
  z-index: 1;
}
button {
  background-color: #4CAF50;
  border: none;
  color: white;
  padding: 15px 32px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  border-radius: 10px;
  font-size: 16px;
  margin: 4px 2px;
  cursor: pointer;
  transition: background-color 0.3s;
  &:hover {
    background-color: #25902950;
  }
  &:active {
    background-color: #00FFFFCC;
  }
}
.btn {
  background-color: rgba(0, 0, 0, 0.4);
  border: none;
  color: rgba(255, 255, 255, 0.4);
  padding: 10px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin: 2px 2px;
  cursor: pointer;
  border-radius: 5px;
  transition: background-color 0.3s;
}
.btn:hover {
  background-color: rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 0, 1);
}
#fullscreenBtn {
  font-size: 20px;
}

.container {
  margin: 0 auto;
  padding: 2rem;
  position: absolute;
  width: 100%;
  font-family: "Roboto", sans-serif;
  text-shadow: 0 0 5px #000, 0 0 10px #000;
  color: #fff;
  filter: drop-shadow(0 0 10px rgba(0, 0, 50, 0.7))
		drop-shadow(0 0 15px rgba(0, 0, 0, 0.5))
		drop-shadow(0 0 20px rgba(0, 0, 0, 0.3));
  z-index: 2;
}


/* Phone User */
@media (max-width: 768px) {
  h1 {
    font-size: 1.25rem;
  }
  .container {
    font-size: 0.8rem;
  }
  .btn {
    font-size: 0.8rem;
  }
  #fullscreenBtn {
    font-size: 0.8rem;
    padding: 8px 15px;
  }
}
</style>


  
</head>

<body translate="no">
  <canvas id="glCanvas"></canvas>

<div class="container">
  <h1>Animated Shader: Venice in Reflection</h1>
  
  <p><button id="fullscreenBtn">⤢ Toggle Fullscreen</button>
</div>

<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/gl-matrix-min.js"></script>
      <script >
/*
Source: https://www.shadertoy.com/view/MdXGW2
*/

const canvas = document.getElementById('glCanvas');
const gl = canvas.getContext('webgl2');
if (!gl) {
  console.error('WebGL 2 not supported');
  document.body.innerHTML = 'WebGL 2 is not supported in your browser.';
}

const vertexShaderSource = `#version 300 es
in vec4 aPosition;
void main() {
    gl_Position = aPosition;
}`;

const fragmentShaderSource = `#version 300 es
precision highp float;

uniform vec3 iResolution;
uniform float iTime;
uniform vec4 iMouse;
out vec4 fragColor;

/*--- BEGIN OF SHADERTOY ---*/

#define SHOW_GALLERY
#define SHOW_LIGHTS
#define SHOW_BRIDGES
#define SHOW_MOON_AND_CLOUDS
#define BUMPFACTOR 0.2
#define EPSILON 0.1
#define BUMPDISTANCE 200.
#define CAMERASPEED 6.
#define BUILDINGSPACING 20.
#define MAXBUILDINGINSET 12.
#define GALLERYHEIGHT 10.5
#define GALLERYINSET 2.5

float time;

float hash( float n ) {
	return fract(sin(n)*32.5454412211233);
}
vec2 hash2( float n ) {
	return fract(sin(vec2(n,n+1.0))*vec2(11.1451239123,34.349430423));
}
vec3 hash3( float n ) {
	return f.........完整代码请登录后点击上方下载按钮下载查看