 	//--------------------------------------------------------------------------
 	import org.flixel.FlxG;
 	import org.flixel.FlxGroup;
+	import org.flixel.FlxObject;
 	import org.flixel.FlxPoint;
 	import org.flixel.FlxState;
+	import org.flixel.FlxText;
+	import org.flixel.FlxU;
 	
 	
 	/**

			{
				this.spawnAlien();
				this.resetSpawnTimer();
			}
			//
			super.update();

		private var _bullets:FlxGroup;
		private var _spawnTimer:Number;
		private var _spawnInterval:Number = 2.5;
		//texts
		private var _scoreText:FlxText;
		private var _gameOverText:FlxText;
		//----------------------------------
		// CONSTANTS
		//----------------------------------
