js实现三角形粒子运动

网络编程 2025/11/7 佚名

3 2 1

本文实例为大家分享了js实现三角形粒子运动的具体代码，供大家参考，具体内容如下

效果(这里只是截了一个静态图，实际上里面的粒子是运动状态的)：

<!DOCTYPE html>
<html lang="en">

<head>
 <meta charset="UTF-8">
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <title>粒子</title>
 <style>
  * {
   margin: 0;
   padding: 0;
  }

  body {
   overflow: hidden;
  }
 </style>
 <script>
  //随机数获取 3 10 *7+3
  function random(min, max) {
   return Math.random() * (max - min) + min;

  }
  //亮色系
  // colors = ['#7cb5ec', '#434348', '#90ed7d', '#f7a35c', '#8085e9', '#f15c80', '#e4d354', '#8085e8', '#8d4653', '#91e8e1'];
  //暗色系
  colors = ['#c23531', '#2f4554', '#61a0a8', '#d48265', '#91c7ae', '#749f83', '#ca8622', '#bda29a', '#6e7074', '#546570', '#c4ccd3']
  //获取窗口宽高
  var width = window.innerWidth;
  var height = window.innerHeight;
  function Bubble() {
   this.r = random(5, 100);
   this.x1 = random(this.r, this.r * 2);
   this.y1 = random(this.r, this.r * 2);
   this.x2 = random(this.r, this.r * 2);
   this.y2 = random(this.r, this.r * 2);
   this.x3 = random(this.r, this.r * 2);
   this.y3 = random(this.r, this.r * 2);
   //随机获取colors数组里的颜色
   this.color = colors[Math.floor(random(0, colors.length))];
   //偏移步长
   this.xr = random(-5, 5);
   this.yr = random(-5, 5);
  }
  Bubble.prototype = {
   //绘制
   draw: function (context) {
    //开始路径
    context.beginPath();
    context.moveTo(this.x1, this.y1);
    context.lineTo(this.x2, this.y2);
    context.lineTo(this.x3, this.y3);
    context.lineTo(this.x1, this.y1);
    context.fillStyle = this.color;
    context.fill();
   },
   //移动
   move: function (context) {
    this.x1 += this.xr;
    this.y1 += this.yr;
    this.x2 += this.xr;
    this.y2 += this.yr;
    this.x3 += this.xr;
    this.y3 += this.yr;
    //边缘检测
    (this.x1 > width || this.x1 < 0) "点击停止，再次点击活动"></canvas>
</body>

</html>

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。

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