draw circle

/**
 * Copyright _wonder ( http://wonderfl.net/user/_wonder )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/km3D
 */

package {
    import flash.display.MovieClip;
    public class Index extends MovieClip {
        public function Index():void{
            var xList:Array = [100,200,150,80,190];
            var yList:Array = [100,100,10,230,130];
            var rList:Array = [10,20,40,80,160];
            var i:int;

            for( i=0; i < xList.length; i++ ){
                var circle:DrawCircle = new DrawCircle(xList[i],yList[i],rList[i]);
                addChild(circle);
            }
        }
    }
}
    import flash.display.MovieClip;
    class DrawCircle extends MovieClip {
        public function DrawCircle(centerX:Number,centerY:Number,r:Number) {
          
            graphics.lineStyle(2,0xff0006);
            graphics.moveTo(centerX+r,centerY);
            graphics.curveTo(r+centerX, Math.tan(Math.PI/8)*r+centerY,Math.sin(Math.PI/4)*r+centerX,Math.sin(Math.PI/4)*r+centerY);
            graphics.curveTo(Math.sin(Math.PI/8)*r+centerX, r+centerY,centerX,r+centerY);
            graphics.curveTo(-Math.sin(Math.PI/8)*r+centerX, r+centerY,-Math.sin(Math.PI/4)*r+centerX,Math.sin(Math.PI/4)*r+centerY);
            graphics.curveTo(-r+centerX,Math.tan(Math.PI/8)*r+centerY,-r+centerX,centerY);
            graphics.curveTo(-r+centerX,-Math.tan(Math.PI/8)*r+centerY,-Math.sin(Math.PI/4)*r+centerX,-Math.sin(Math.PI/4)*r+centerY);
            graphics.curveTo(-Math.tan(Math.PI/8)*r+centerX,-r+centerY,centerX,-r+centerY);
            graphics.curveTo(Math.tan(Math.PI/8)*r+centerX,-r+centerY,Math.sin(Math.PI/4)*r+centerX,-Math.sin(Math.PI/4)*r+centerY);
            graphics.curveTo(r+centerX,-Math.tan(Math.PI/8)*r+centerY,r+centerX,centerY);
        }
    }