SimplexNoise实现线条波动跳跃交互动画效果-html代码-BFW代码库

SimplexNoise实现线条波动跳跃交互动画效果

代码语言：html

所属分类：动画

代码描述：SimplexNoise实现线条波动跳跃交互动画效果

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>


  
  
  
<style>
* {
  margin: 0;
  padding: 0;
}

html,
body {
  overflow: hidden;
}

body {
  position: relative;
  background: #000;
}

p {
  padding-bottom: 0.4rem;
}

ul > li {
  list-style: none;
  padding: 0.4rem 0;
}

.desc {
  margin: 1.6rem;
  top: 0;
  left: 0;
  color: #fff;
  position: absolute;
  padding: 0.8rem;
}
</style>




</head>

<body translate="no" >
  <div class="desc">
  <p>Simplex Noise.</p>
  <ul>
    <li>Click : Add line.</li>
    <li>Mousemove Y : Noise Amplitude.</li>
    <li><button id="reset">Reset</button></li>
  </ul>
</div>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/simplex-noise.min.js"></script>
      <script>
/*
* File Name / simplexWave.js
* Created Date / Sep 15, 2020
* Aurhor / Toshiya Marukubo
* Twitter / https://twitter.com/toshiyamarukubo
*/

/*
     Common Tool.
   */

class Tool {
  // random number.
  static randomNumber(min, max) {
    return Math.floor(Math.random() * (max - min + 1) + min);
  }
  // random color rgb.
  static randomColorRGB() {
    return (
      "rgb(" +
      this.randomNumber(0, 255) +
      ", " +
      this.randomNumber(0, 255) +
      ", " +
      this.randomNumber(0, 255) +
      ")");

  }
  // random color hsl.
  static randomColorHSL(hue, saturation, lightness) {
    return (
      "hsl(" +
      hue +
      ", " +
      saturation +
      "%, " +
      lightness +
      "%)");

  }
  // gradient color.
  static gradientColor(ctx, cr, cg, cb, ca, x, y, r) {
    const col = cr + "," + cg + "," + cb;
    const g = ctx.createRadialGradient(x, y, 0, x, y, r);
    g.addColorStop(0, "rgba(" + col + ", " + ca * 1 + ")");
    g.addColorStop(0.5, "rgba(" + col + ", " + ca * 0.5 + ")");
    g.addColorStop(1, "rgba(" + col + ", " + ca * 0 + ")");
    return g;
  }}


/*
       When want to use angle.
     */

class Angle {
  constructor(angle) {
    this.a = angle;
    this.rad = this.a * Math.PI / 180;
  }

  incDec(num) {
    this.a += num;
    this.rad = this.a * Math.PI / 180;
    return this.rad;
  }}


/*
       When want to use controller.
     */

class Controller {
  constructor(id) {
    this.id = document.getElementById(id);
  }
  getVal() {
    return this.id.value;
  }}


/*
       When want to use time.
     */

class Time {
  constructor(time) {
    this.startTime = time;
    this.lastTime;
    this.elapsedTime;
  }

  getElapsedTime() {
    this.lastTime = Date.now();
    this.elapsedTime = (this.startTime - this.lastTime) * -1;
    return this.elapsedTime;
  }}


/*
       When want to use time.
     */
let canvas;
const simplex = new SimplexNoise();

class Canvas {
  constructor(bool) {
    // create canvas.
    this.canvas = document.createElement("canvas");
    // i.........完整代码请登录后点击上方下载按钮下载查看