three实现三维紫色六边形网格墙伸缩动画效果代码-html代码-BFW代码库

three实现三维紫色六边形网格墙伸缩动画效果代码

代码语言：html

所属分类：动画

代码描述：three实现三维紫色六边形网格墙伸缩动画效果代码

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

</head>
<body>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/three.133.js"></script>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/OrbitControls.133.js"></script>
  <script type="module" >


let scene = new THREE.Scene();
let camera = new THREE.PerspectiveCamera(75, innerWidth / innerHeight, 1, 1000);
camera.position.set(5, -3, 0).setLength(5);
let renderer = new THREE.WebGLRenderer({antialias: true});
renderer.setSize(innerWidth, innerHeight);
renderer.setClearColor(new THREE.Color(1, 0.875, 0.75));
document.body.appendChild(renderer.domElement);

let controls = new THREE.OrbitControls(camera, renderer.domElement);
controls.enableDamping = true;
controls.enablePan = false;
controls.minPolarAngle = THREE.MathUtils.degToRad(75);
controls.maxPolarAngle = THREE.MathUtils.degToRad(105);
controls.minAzimuthAngle = THREE.MathUtils.degToRad(75);
controls.maxAzimuthAngle = THREE.MathUtils.degToRad(105);
controls.minDistance = 5;
controls.maxDistance = 10;

let light = new THREE.DirectionalLight(0xffffff, 1);
light.position.set(13, 8, 0);
scene.add(light, new THREE.AmbientLight(0xffffff, 0.5));

const circleCount = 50;
let baseG = new THREE.CylinderGeometry(0.5, 0.5, 1, 6);
baseG.translate(0, 0.5, 0);
for(let i = 0; i < baseG.attributes.uv.count; i++){
  baseG.attributes.uv.setY(i, baseG.attributes.position.getY(i));
}
baseG.translate(0, -0.5, 0);
baseG.scale(1, 10, 1);
baseG.rotateX(Math.PI * 0.5);
let g = new THREE.InstancedBufferGeometry().copy(baseG);
g.instanceCount = ((circleCount * (circleCount + 1)) / 2) * 6 + 1;
console.log(g.instanceCount);
let iPos = hexagridFormation(circleCount);
g.setAttribute("instPos", new THREE.InstancedBufferAttribute(iPos, 3));
let moveData = []; //phase, speed
for(let i = 0; i < g.instanceCount; i++){
  moveData.push(
    Math.PI * 2 * Math.random(),
    Math.random() * 0.5 + 0.5
  );
}
g.setAttribute("moveData", new THREE.InstancedBufferAttribute(new Float32Array(moveData), 2));
let uniforms = {
  time: {value: 0}
}
let m = new THREE.MeshStandardMaterial({
  color: 0x222244,
  roughness: 0.6,
  metalness: 0.8,
  onBeforeCompile: shad.........完整代码请登录后点击上方下载按钮下载查看