canvas模仿直播视频点赞的喷射动画效果代码-html代码-BFW代码库

canvas模仿直播视频点赞的喷射动画效果代码

代码语言：html

所属分类：动画

代码描述：canvas模仿直播视频点赞的喷射动画效果代码

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 {
  background-color: rgba(255, 137, 164, 0.2);
  background-size: cover;
  background-repeat: no-repeat;
}

.liker {
  position: absolute;
  top: 0%;
  left: 50%;
  transform: translate(-50%, 0%);
}
.liker span {
  position: absolute;
  font-family: monospace;
  color: #F92A82;
  bottom: -70px;
  left: 50%;
  transform: translateX(-50%);
}

.btn {
  width: 50px;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 50px;
  border-radius: 50%;
  border: none;
  position: absolute;
  cursor: pointer;
  left: 50%;
  transform: translate(-50%, -10%);
  background-color: #FF4D80;
  color: #fff;
  outline: none;
  transition: 0.3s ease;
  box-shadow: 0 3px 10px #F92A82;
}
.btn svg {
  fill: #fff;
}
.btn:hover {
  background-color: #F92A82;
}
</style>

</head>

<body>

<div class="liker">
	<canvas class="hearts-canvas"></canvas>
	<button class="btn">
		<svg width="24" height="24" viewBox="0 0 24 24">
			<path d="M12,21.35L10.55,20.03C5.4,15.36 2,12.27 2,8.5C2,5.41 4.42,3 7.5,3C9.24,3 10.91,3.81 12,5.08C13.09,3.81 14.76,3 16.5,3C19.58,3 22,5.41 22,8.5C22,12.27 18.6,15.36 13.45,20.03L12,21.35Z"></path>
		</svg>
	</button>
	<span>点击查看</span>
</div>

<script>
    
    class HeartsFlow {
  constructor(data) {
    this.el = document.querySelector(data.canvasEl);
    this.w = 200;
    this.h = 400;
    this.ctx = this.el.getContext('2d');
    this.colors = [
    '255, 137, 164', //'#FF89A4',
    '239, 121, 138', //'#EF798A',
    '255, 77, 128', //'#FF4D80',
    '249, 42, 130' //'#F92A82'
    ];
    this.heartsAmount = data.amount;
    this.heartsList = [];
    this.isAnimate = false;
    this.raf = null;
    this.animate = this.animate.bind(this);
    this.paintHeart = this.paintHeart.bind(this);
    this.stopAnimation = this.stopAnimation.bind(this);
    this.init();
  }
  getRandomColor() {
    return this.colors[Math.floor(Math.random() * this.colors.length)];
  }
  getRandom(min, max) {
    return Math.floor(Math.random() * (max - min) + min);
  }
  setHeartsList() {
    let arr = [];
    for (let i = 0; i < this.heartsAmount; i++) {
      let currentSize = this.getRandom(10, 15);
      let dt = {
        x: this.w / 2,
        y: this.h,
        bx: this.w / 2,
        by: this.h,
        pos: this.h,
        _osp: this.getRandom(200, 400) / 100,
        osp: this.getRandom(11, 12) / 10,
        vsp: this.getRandom(currentSize, currentSize + i * 2) / 1000,
        size: currentSize,
        color: this.getRandomColor(),
        alfa: 1 };

      arr.push(dt.........完整代码请登录后点击上方下载按钮下载查看