three实现三维空间彩色碎片纸屑落下下雪动画效果代码-html代码-BFW代码库

three实现三维空间彩色碎片纸屑落下下雪动画效果代码

代码语言：html

所属分类：三维

代码描述：three实现三维空间彩色碎片纸屑落下下雪动画效果代码

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=Asap&display=swap");
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html,
body {
  background: radial-gradient(
    circle farthest-corner,
    hsl(320deg, 100%, 15%),
    hsl(320deg, 100%, 2%) 100%
  );
  overscroll-behavior-x: none;
  overscroll-behavior-y: none;
}
body {
  font-family: "Asap", sans-serif;
  position: relative;
  width: 100vw;
  min-height: 100vh;
  text-align: center;
  overflow-x: hidden;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
}
h1 {
  font-size: max(35px, 7vw);
  text-shadow: 1px 1px black;
  mix-blend-mode: difference;
  z-index: 1;
}
canvas {
  -moz-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  user-select: none;
  position: fixed;
  width: 100vw;
  height: 100vh;
  top: 0;
  left: 0;
  z-index: 0;
}
</style>


</head>

<body >

<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/es-module-shims.1.6.2.js"></script>
<script type="importmap">
  {
    "imports": {      
      "three": "//repo.bfw.wiki/bfwrepo/js/module/three/build/159/three.module.js",
      "three/addons/": "//repo.bfw.wiki/bfwrepo/js/module/three/examples/159/jsm/"
    }
  }
</script>
  
      <script type="module">

"use strict";
import * as THREE from "three";
import { OrbitControls } from "three/addons/controls/OrbitControls.js";

console.clear();

(function () {
  const worldRadius = 5;
  const confettiSize = 0.07;
  const confettiNum = 3000;
  const rotateRange_x = Math.PI / 30;
  const rotateRange_y = Math.PI / 50;
  const speed_y = 0.01;
  const speed_x = 0.003;
  const speed_z = 0.005;

  let camera, scene, renderer, controls;
  let confettiMesh;
  const dummy = new THREE.Object3D();
  const matrix = new THREE.Matrix4();
  const color = new THREE.Color();

  init();

  function init() {
    //
    camera = new THREE.PerspectiveCamera(
    35,
    window.innerWidth / window.innerHeight,
    1,
    worldRadius * 3);

    camera.position.z = worldRadius * Math.sqrt(2);
    //camera.position.set(-1, 1.5, 2);
    //camera.lookAt(0, 0.5, 0);

    scene = new THREE.Scene();
    //scene.background = new THREE.Color(0x666666);

    /////////////////////////////////
    // Confetti
    /////////////////////////////////
    // choose random color
    function getRandomColor() {
      let saturation = 100;
      let lightness = 50;
      const colors = [
      "hsl(0, " + saturation + "%, " + lightness + "%)",
      "hsl(30, " + saturation + "%, " + lightness + "%)",
      "hsl(60, " + saturation + "%, " + lightness + "%)",
      "hsl(90, " + saturation + "%, " + lightness + "%)",
      "hsl(120, " + saturation + "%, " + lightness + "%)",
      "hsl(150, " + saturation + "%, " + lightness + "%)",
      "hsl(180, " + saturation + "%, " + lightness + "%)",
      "hsl(210, " + saturation + "%, " + lightness + "%)",
      "hsl(240, " + saturation + "%, " + lightness + "%)",
      "hsl(270, " + saturation + "%, " + lightness + "%)",
      "hsl(300, " + saturation + "%, " + lightness + "%)",
      "hsl(330, " + saturation + "%, " + lightness + "%)&qu.........完整代码请登录后点击上方下载按钮下载查看