three+webgl实现鼠标可交互的三维 Vortex粒子系统代码-html代码-BFW代码库

three+webgl实现鼠标可交互的三维 Vortex粒子系统代码

代码语言：html

所属分类：粒子

代码描述：three+webgl实现鼠标可交互的三维 Vortex粒子系统代码

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">
  <style>
  body, html {
    margin: 0;
    padding: 0;
    overflow: hidden;
    background: #000;
  }
  #canvas-container {
    width: 100vw;
    height: 100vh;
  }
</style>

<div id="canvas-container"></div>

<script type="importmap">
{
  "imports": {
    "three": "https://cdnjs.cloudflare.com/ajax/libs/three.js/0.162.0/three.module.min.js",
    "OrbitControls": "https://unpkg.com/three@0.162.0/examples/jsm/controls/OrbitControls.js"
  }
}
</script>

<script type="module">
import * as THREE from 'three';
import { OrbitControls } from 'OrbitControls';

let scene, camera, renderer, vortex, controls;
let particles, particleSystem;
let time = 0;
let mouse = new THREE.Vector2();
let mouseVelocity = new THREE.Vector2();
let lastMousePos = new THREE.Vector2();
let audioContext, analyser;
let forceField = [];

function initScene() {
  scene = new THREE.Scene();
  camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000);
  renderer = new THREE.WebGLRenderer({ antialias: true });
  renderer.setSize(window.innerWidth, window.innerHeight);
  renderer.setClearColor(0x000000, 1);
  document.getElementById('canvas-container').appendChild(renderer.domElement);

  camera.position.set(30, 20, 50);
  camera.lookAt(0, 0, 0);

  controls = new OrbitControls(camera, renderer.domElement);
  controls.enableDamping = true;
  controls.dampingFactor = 0.05;
  controls.screenSpacePanning = false;
  controls.minDistance = 20;
  controls.maxDistance = 150;
  controls.enableRotate = true;

  vortex = new THREE.Group();
  scene.add(vortex);

  for (let i = 0; i < 10; i++) {
    forceField.push({
      position: new THREE.Vector3(
        (Math.random() - 0.5) * 40,
        (Math.random() - 0.5) * 40,
        (Math.random() - 0.5) * 40
      ),
      strength: Math.random() * 2 + 1,
      frequency: Math.random() * 2 + 1
    });
  }
}

function createVortex() {
  const particleCount = 200000;
  const geometry = new THREE.BufferGeometry();
  const positions = new Float32Array(particleCount * 3);
  const colors = new Float32Array(particleCount * 3);
  const sizes = new Float32Array(particleCount);
  const ringIndices = new Float32Array(particleCount);
  const particleTypes = new Float32Array(particleCount);

  const ringCount = 15;
  const particlesPerRing = particleCount / ringCount;

  for (let i = 0; i < particleCount; i++) {
    const ringIndex = Math.floor(i / particlesPerRing);
    const particleType = Math.random() > 0.8 ? 1 : 0;

    const .........完整代码请登录后点击上方下载按钮下载查看