html5 canvas海底水草动画.zip下载

代码片段：





Stem.prototype.draw = function(ctx) {

  var len, ctrlPoint, point;



  len = this.points.length - 1;

  ctrlPoint = {x: 0, y: 0};

  

  ctx.save();

  ctx.strokeStyle = this.color;

  ctx.beginPath();

  ctx.moveTo(this.points[this.points.length - 1].x, this.points[this.points.length
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