package{
  import flash.display.Sprite;
  public class Puu1 extends Sprite{
     public function Puu1(){
	   joonista();
	   y=150;
	   x=200;
	 }
	 
	 public function joonistaOks(x1:Number, y1:Number, x2:Number, y2:Number):void{
	    graphics.moveTo(x1, y1);
		graphics.lineTo(x2, y2);
		var vektorx:Number=x2-x1;
		var vektory:Number=y2-y1;
		var ristvx:Number=vektory;
		var ristvy:Number=-vektorx;
		if(Math.sqrt(vektorx*vektorx+vektory*vektory)>5){
  		  joonistaOks(x2, y2, x2+ristvx/2, y2+ristvy/2);
		}
	 }
	 
     public function joonista():void{
	   graphics.clear();
	   graphics.lineStyle(1, 0, 1); //paksus, värv, nähtavus
	   joonistaOks(100, 150, 100, 200);
	 }
  }
}