package
{
    import flash.display.Sprite;
    
    public class lib_flex_animation_code_01_BitmapCollision_Star extends Sprite
    {
        public function lib_flex_animation_code_01_BitmapCollision_Star(radius:Number, color:uint = 0xFFFF00):void
        {
            graphics.lineStyle(0);
            graphics.moveTo(radius, 0);
            graphics.beginFill(color);
            // draw 10 lines
            for(var i:int = 1; i < 11; i++)
            {
                var radius2:Number = radius;
                if(i % 2 > 0)
                {
                    // alternate the radius to make spikes every other line
                    radius2 = radius / 2;
                }
                var angle:Number = Math.PI * 2 / 10 * i;
                graphics.lineTo(Math.cos(angle) * radius2, Math.sin(angle) * radius2);    
            }
        }
    }
}