package classes
{
    import flash.display.MovieClip;
    import flash.events.Event;
    import flash.geom.Vector3D;
    import flash.events.MouseEvent;
    import flash.utils.Timer;
    import flash.media.Sound;
    import flash.net.URLRequest;
    import flash.display.Stage;
    import flash.media.SoundChannel;
    import flash.utils.getDefinitionByName;
    import flash.utils.getQualifiedClassName;


    public class enemy_ez extends MovieClip
    {
        var enemyPosition:Vector3D = new Vector3D();
        var enemyDirection:Vector3D = new Vector3D();
        public var index:Number;

        var speed:Number = 3;

        var currentTarget:int = 0;

        public var enemyType:String = "ez";
        var health:Number = 100;
        var myStage:Stage;


        public function enemy_ez(s:Stage)
        {
            // constructor code
            myStage = s;
            this.addEventListener(Event.ENTER_FRAME, loop);


        }
        public function TakeDamage(t:Turret, d:Number)
        {
            if (health - d > 0)
            {
                health -=  d;
            }
            else
            {
                Die(t);
            }
        }
        function Die(t:Turret)
        {
            this.removeEventListener(Event.ENTER_FRAME, loop);
            if (myStage.contains(this))
            {
                Game.waveArray.splice(index,1);
                t.target = null;
                myStage.removeChild(this);

            }




            function getCurrentAngle():Number
            {
                var perpendicular:Number = (Game.pathArray[currentTarget].y - y);
                var base:Number = (Game.pathArray[currentTarget].x - x);
                var angle:Number = Math.atan2(perpendicular,base);// in radians
                return (angle * 180 / Math.PI);// in degrees
            }
            function loop(e:Event)
            {
                x +=  4;
                enemyPosition.x = x;
                enemyPosition.y = y;

                var targetPosition:Vector3D = new Vector3D();
                targetPosition.x = Game.pathArray[currentTarget].x;
                targetPosition.y = Game.pathArray[currentTarget].y;

                enemyDirection = targetPosition.subtract(enemyPosition);


                var distance:Number = enemyDirection.length;


                enemyDirection.normalize();

                if (distance <= 5)
                {

                    if (currentTarget < Game.pathArray.length -1 )
                    {

                        currentTarget++;
                    }
                    else
                    {

                        this.removeEventListener(Event.ENTER_FRAME, loop);
                        if (stage.contains(this))
                        {
                            stage.removeChild(this);
                        }

                    }
                }

                x +=  enemyDirection.x * speed;
                y +=  enemyDirection.y * speed;

                rotation = getCurrentAngle();

            }

        }

    }
}