animation.draw(canvas,hAnimation,actionID,frameID,x,y,flip,alpha,mixalpha,mixcolor,scalex,scaley)绘制动画数据中的某帧参数:canvas,画布对象,由canvas接口生成hAnimation,动画数据实例对象,由animation.load方法生成.actionID,整形,动作编号.frameID,整形,帧编号.x,整形,原点横坐标.y,整形,原点纵坐标.flip,整形,翻转参数,0-不翻转,1-水平翻转,2-垂直翻转,3-水平垂直翻转.alpha,整形,透明值.取值1~255.mixa