バラ曲線 その２？

by 12346 
http://www.ayu.ne.jp/user/fujisaki/graph1.htm
♥0 | Line 10 | Modified 2010-06-26 20:32:58 | MIT License
play

ActionScript3 source code

/**
 * Copyright 12346 ( http://wonderfl.net/user/12346 )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/A0Hi
 */

//http://www.ayu.ne.jp/user/fujisaki/graph1.htm
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(f(0),0)
  addEventListener("enterFrame",function():void{
   var r:Number=f(t+=1/64);R.lineTo(r*Math.cos(t),r*Math.sin(t))
 })}
 public function f(t:Number):Number{return(

  57+128*Math.cos(2.5*t)-38*Math.cos(7.5*t)

)}}}

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