three+EventEmitter+gsap实现三维虫洞星际之门穿越效果代码-html代码-BFW代码库

three+EventEmitter+gsap实现三维虫洞星际之门穿越效果代码

代码语言：html

所属分类：三维

代码描述：three+EventEmitter+gsap实现三维虫洞星际之门穿越效果代码，鼠标双击大门即可进入穿越到另外一个地方，从老树干穿越到沙漠城堡只在一秒钟。

代码标签： three EventEmitter gsap 三维虫洞星际之门穿越

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/css?family=Open+Sans:800);
.webgl {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  outline: none;
  background-color: #000000;
  cursor: move;
  width: 100%;
  height: 100%;
  /* fallback if grab cursor is unsupported */
  cursor: grab;
  cursor: -webkit-grab;
}

#credits {
  position: absolute;
  bottom: 0;
  left: 30px;
  margin-bottom: 20px;
  font-family: "Open Sans", sans-serif;
  color: #544027;
  font-size: 0.7em;
  text-transform: uppercase;
}

#credits a {
  color: #544027;
}

#credits a:hover {
  color: #d3cfcf;
}

#instructions {
  position: absolute;
  bottom: 60px;
  left: 30px;
  font-family: "Open Sans", sans-serif;
  color: #ffffff;
  font-size: 0.7em;
  line-height: 1.3;
  text-transform: uppercase;
  letter-spacing: 1px;
}
</style>

  
  
</head>

<body translate="no">
  <canvas class="webgl"></canvas>
<div id="instructions">Drag to turn around<br />Scroll to zoom in / out<br />Click on portals to explore</div>


<script type="x-shader/x-vertex" id="vertexShader">
  precision highp float;
  varying vec2 vUv;
  void main() {
    vUv = uv;
    vec4 modelViewPosition = modelViewMatrix * vec4(position, 1.0);
    gl_Position = projectionMatrix * modelViewPosition; 
  }
</script>

<script type="x-shader/x-fragment" id="fragmentShader">
  #define PI 3.1415
  #define TAU 6.2832
  uniform sampler2D map;
  uniform sampler2D noiseMap;
  uniform float time;
  uniform float effectIntensity;
  uniform float effectMultiplier;
  varying vec2 vUv;
  
  void main() {
    
    // center uv
    vec2 vUv2 = vUv - .5; 
    // get each point angle
    float angle = atan(vUv2.y, vUv2.x); 
    // get distance to each point
    float l = length(vUv2); 
    float l2 = pow(l, .5);
    
    // create a radial moving noise 
    float u = angle * 2. / TAU + time * .1;
    float v = fract(l + time * .2);
    vec4 noise = texture2D( noiseMap, vec2(u, v));
    
    // create waves
    float noiseDisp = noise.r * noise.g * 4. * effectMultiplier;
    float radialMask = l;
    float wavesCount = 5.0;
    float wavesSpeed = time * 5.;
    float pnt = sin(2.0 * l * PI * wavesCount + noiseDisp + wavesSpeed) * radialMask;
    
    // calculate displacement according to waves
    float dx = pnt * cos(angle) ;
    
    // normalize
    float dy = pnt * sin(angle);
    
    // sample texture and apply wave displacement
    vec4 color = texture2D( map, vUv + vec2(dx,dy) * l * .3 * effectIntensity * effectMultiplier);
    
    // lighten according to waves
    color *= 1. + pnt * .5 * effectIntensity;
    
    // highlights 
    float highlight = smoothstep(.0, .2, dx * dy);
    color += highlight * effectIntensity;
    
    // gradient greyscale at the borders
    float grey = dot(color.rgb, vec3(0.299, 0.587, 0.114));
    color.rgb = mix(color.rgb, .........完整代码请登录后点击上方下载按钮下载查看