TweenLite+Physics2DPlugin实现弹射碎纸屑粒子重力下落效果代码-html代码-BFW代码库

TweenLite+Physics2DPlugin实现弹射碎纸屑粒子重力下落效果代码

代码语言：html

所属分类：粒子

代码描述：TweenLite+Physics2DPlugin实现弹射碎纸屑粒子重力下落效果代码

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 {
          cursor: pointer;
          -webkit-user-select: none;
             -moz-user-select: none;
              -ms-user-select: none;
                  user-select: none;
          overflow: hidden;
        }
        
        #canvas {
          background: linear-gradient(#9FF781, #F3F781);
        }
        
        .copy {
          position: absolute;
          top: 45%;
          left: 0;
          width: 100%;
          text-align: center;
          pointer-events: none;
          font-family: "Futura", "Helvetica Neue", Helvetica;
          color: #333;
        }
        .copy h1 {
          margin: 0;
          color: white;
          letter-spacing: 1px;
          font-size: 7vmin;
          font-weight: 700;
        }
        .copy p {
          margin: 0;
        }
    </style>


</head>

<body>
    <canvas id="canvas"></canvas>
    <div class="copy">
        <h1>Confetti Cannon</h1>
        <p>click, drag & release</p>
    </div>


    <script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/TweenLite.js"></script>
    <script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/Physics2DPlugin.js"></script>
    <script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/lodash-min.js"></script>
    <script>
     // utilities
function getLength(x0, y0, x1, y1) {
    // returns the length of a line segment
    const x = x1 - x0;
    const y = y1 - y0;
    return Math.sqrt(x * x + y * y);
}

function getDegAngle(x0, y0, x1, y1) {
    const y = y1 - y0;
.........完整代码请登录后点击上方下载按钮下载查看