three实现流场动画效果代码-html代码-BFW代码库

three实现流场动画效果代码

代码语言：html

所属分类：动画

代码描述：three实现流场动画效果代码，结合SimplexNoise插件，实现磁场运动动画。

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>
@font-face {
    font-family: GOSTAi;
    src: url("//repo.bfw.wiki/bfwrepo/font/GOSTtypeAitalic.ttf") format("truetype");
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body{
  background-color: teal;
}
canvas{
  background-color: navy;
  position: absolute;
  left: calc(50% - 300px - 2vh);
  top: calc(50% - 400px - 2vh);
  border: 2vh solid aqua;
  border-radius: 100px;
}
#line1{
  top: calc(50% - 440px);
  text-align: left;
}
#line2{
  bottom: calc(50% - 430px);
  text-align: right;
  padding-right: 5vh;
}
.writing{
  position: absolute;
  width: 600px;
  left:calc(50% - 300px);
  font-family: GOSTAi;
  -webkit-text-fill-color: white;
  font-size: 250px;
  pointer-events: none;
  mix-blend-mode: difference;
}

.unselectable {
  -moz-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
</style>


  
</head>

<body >
  <canvas id="cnv" width="600" height="800"></canvas>

  <div class="writing unselectable" id="line1">flow</div>
  <div class="writing unselectable" id="line2">field</div>
  
      <script type="module">
import { Vector2, Color, Clock } from "//repo.bfw.wiki/bfwrepo/js/module/three/build/156/three.module.js";
import { SimplexNoise } from "//repo.bfw.wiki/bfwrepo/js/module/three/examples/156/jsm/math/SimplexNoise.js";
console.clear();

let simplex = new SimplexNoise();

const canvas = cnv;
let ctx = canvas.getContext("2d");

ctx.fillStyle = "white";
ctx.strokeStyle = "white";
ctx.lineCap = "round";
//ctx.globalCompositeOperation = "lighter";


class Particle extends Vector2 {
  constructor(renderer) {
    super();
    this.renderer = renderer;
    this.random().multiply(renderer.size).floor();
    this.speed = new Vector2();
    this.speedModifier = Math.floor(Math.random() * 3 + 1);
    this.history = [{ x: this.x, y: this.y }];
    this.historyLimit = Math.floor(Math.random() * 200 + 10);
    this.angle = 0;
    this.time = this.historyLimit;
    this.lineWidth = Math.random() * 4 + 1;
    let c = new Color().lerpColors(renderer.colorSet[0], renderer.colorSet[1], 1 / this.lineWidth).multiplyScalar(255);
    this.strokeStyle = `rgba(${Math.floor(c.r)}, ${Math.floor(c.g)}, ${Math.floor(c.b)}, ${1 / this.lineWidth})`;
  }

  draw(ctx) {
    ctx.lineWidth = this.lineWidth * 4;
    ctx.strokeStyle = this.st.........完整代码请登录后点击上方下载按钮下载查看