jquery实现canvas逼真树木变化效果代码-html代码-BFW代码库

jquery实现canvas逼真树木变化效果代码

代码语言：html

所属分类：其他

代码描述：jquery实现canvas逼真树木变化效果代码

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>
    html, body {
  width: 100%;
  height: 100%;
}

#sky {
  width: 100%; 
  height: 100%;
}

canvas {
  position: absolute;
  top: 0;
  left: 0;
}


</style>

</head>

<body>
    <!-- partial:index.partial.html -->
    <div id='sky' class='linearBg'></div>
    <canvas id="mycanvas"></canvas>
    <!-- partial -->
    <script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/jquery-3.2.1.min.js"></script>


    <script>
        var drawTree = function (ctx, startX, startY, length, angle, depth, branchWidth) {
      var rand = Math.random,
          newLength, newAngle, newDepth, maxBranch = 3,
          endX, endY, maxAngle = 2 * Math.PI / 4,
          subBranches, lenShrink;
      ctx.beginPath();
      ctx.moveTo(startX, startY);
      endX = startX + length * Math.cos(angle);
      endY = startY + length * Math.sin(angle);
      
      ctx.lineCap = 'round';
      ctx.lineWidth = branchWidth;
    .........完整代码请登录后点击上方下载按钮下载查看