three实现三维空间虚线折线效果代码-html代码-BFW代码库

three实现三维空间虚线折线效果代码

代码语言：html

所属分类：三维

代码描述：three实现三维空间虚线折线效果代码

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 {
  overflow: hidden;
  margin: 0;
}
</style>

  
</head>

<body translate="no">
  <script type="importmap">
  {
    "imports": {
      "three": "//repo.bfw.wiki/bfwrepo/js/module/three/build/170/three.module.js",
      "three/addons/": "//repo.bfw.wiki/bfwrepo/js/module/three/examples/170/jsm/"
    }
  }
</script>
<script>
  var lineVertShader = `
  attribute float lineDistance;
  varying float vLineDistance;
  
  void main() {
    vLineDistance = lineDistance;
    vec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );
    gl_Position = projectionMatrix * mvPosition;
  }
  `;

  var lineFragShader = `
  uniform vec3 diffuse;
  uniform float opacity;
  uniform float time; // added time uniform

  uniform float dashSize;
  uniform float gapSize;
  uniform float dotSize;
  varying float vLineDistance;
  
  void main() {
		float totalSize = dashSize + gapSize;
		float moduloDash = mod( vLineDistance + time, totalSize ); // time added to vLineDistance
    float dotDistance = dashSize + (gapSize - dotSize) * .5;
    float moduloDot = mod(moduloDash, dotDistance);
    
    if ( moduloDash > dashSize && moduloDot > dotSize ) {
      discard;
    }

    gl_FragColor = vec4( diffuse, opacity );
  }
  `;

</script>
  
      <script  type="module">
import * as THREE from "three";
import { OrbitControls } from "three/addons/controls/OrbitControls.js";

var scene = new.........完整代码请登录后点击上方下载按钮下载查看