バラ曲線

/**
 * Copyright 12346 ( http://wonderfl.net/user/12346 )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/n0cz
 */

//http://ja.wikipedia.org/wiki/%E3%83%90%E3%83%A9%E6%9B%B2%E7%B7%9A
package{import flash.display.*;import flash.events.Event
public class g extends Sprite{
 public var t:Number=0,C:Shape=new Shape,R:Graphics=C.graphics
 public function g(){addChild(C).x=C.y=232;R.lineStyle(0),R.moveTo(0,f(0))
  addEventListener("enterFrame",function():void{
   var r:Number=f(t+=1/32);R.lineTo(r*Math.cos(t),r*Math.sin(t))
 })}
 public function f(t:Number):Number{return(

  96*Math.sin(t*7/8)

)}}}