html5 canvas海底冒泡的海藻水草动画场景.zip

代码片段：Stem.prototype.draw=function(ctx){ varlen,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-1].y); for(vari=len;i&g