package com.asgamer.directionalmovement
{

	import flash.display.MovieClip;
	import flash.display.Stage;
	import flash.events.Event;
	import com.senocular.utils.KeyObject;
	import flash.ui.Keyboard;

	public class bg extends MovieClip
	{

		private var key:KeyObject;
		private var speed:Number = 0.3;
		private var rotateSpeed:Number = 5;
		private var vx:Number = 0;
		private var vy:Number = 0;
		private var friction:Number = 0.95;
		private var dedrotation:Number = 0;

		public function bg () : void
		{
			key = new KeyObject(stage);
			addEventListener(Event.ENTER_FRAME, loop, false, 0, true);
		}

		public function loop(e:Event) : void
		{

			if (key.isDown(Keyboard.UP))
			{
				vy += Math.sin(degreesToRadians(dedrotation)) * speed;
				vx += Math.cos(degreesToRadians(dedrotation)) * speed;
			} else {
				vy *= friction;
				vx *= friction;
			}

			if (key.isDown(Keyboard.RIGHT))
				dedrotation += rotateSpeed;
			else if (key.isDown(Keyboard.LEFT))
				dedrotation -= rotateSpeed;

			y -= vy;
			x -= vx;


		}

		public function degreesToRadians(degrees:Number) : Number
		{
			return degrees * Math.PI / 180;
		}

	}


}