View difference between Paste ID: JqNVKVjS and EHH5cDhT

 // FILE: 'shooter.as'
 
 package  {
 	import flash.display.MovieClip;
 	import flash.text.TextField;
 	import flash.ui.Keyboard;
 	import flash.events.KeyboardEvent;
 	import flash.events.Event;
 	import Ship;
 	import Bullet;
 	import Util;
 
 	public class shooter extends MovieClip {
 
 		private var s: Ship;
-		private var keyChain: Array;
+
 		private var keyPressed:Object = { };
 		private var lbl: TextField;
 
 		public function shooter() {
 			// constructor code
 
 			lbl = new TextField();
 			lbl.text = 'Click anywhere on the canvas to give focus.\nArrow keys move around, space fires bullets.'
 			lbl.selectable = false;
 			lbl.width = 400;
 			lbl.x = 12;
 			lbl.y = 12;
 			this.stage.addChild(lbl);
 
 			s = new Ship();
 			s.x = 275;
 			s.y = 200;
 			s.rotation = -90;
 			this.stage.addChild(s);
 
 			this.stage.addEventListener(KeyboardEvent.KEY_DOWN, on_keydown);
-			keyChain = new Array();
+
-			for (var i = 0; i < 5; ++i) {
+
-				keyChain.push(false);
+
 			bullet_timeout = 0;
 		}
 
 		private function on_keydown(e: KeyboardEvent) {
 			keyPressed[e.keyCode] = true;
 		}
 
 		private function on_keyup(e: KeyboardEvent) {
 			keyPressed[e.keyCode] = false;
 		}
 
 		private function on_enterframe(e: Event) {
 			if (keyPressed[Keyboard.LEFT]) {
 				s.rotation -= 3;
 			}
 			if (keyPressed[Keyboard.RIGHT]) {
 				s.rotation += 3;
 			}
 			if (keyPressed[Keyboard.UP]) {
 				s.x += Math.cos(Util.deg2rad(s.rotation))*3;
 				s.y += Math.sin(Util.deg2rad(s.rotation))*3;
 			}
 			if (keyPressed[Keyboard.DOWN]) {
 				s.x -= Math.cos(Util.deg2rad(s.rotation))*5;
 				s.y -= Math.sin(Util.deg2rad(s.rotation))*5;
 			}
 			if (keyPressed[Keyboard.SPACE]) {
 				if (bullet_timeout >= 5) {
 					var x1, x2, y1, y2;
 					x1 = s.x + Math.cos(Util.deg2rad(s.rotation+15))*20;
 					y1 = s.y + Math.sin(Util.deg2rad(s.rotation+15))*20;
 					x2 = s.x + Math.cos(Util.deg2rad(s.rotation-15))*20;
 					y2 = s.y + Math.sin(Util.deg2rad(s.rotation-15))*20;
 					var b1 = new Bullet(x1, y1, s.rotation);
 					var b2 = new Bullet(x2, y2, s.rotation);
 					this.stage.addChild(b1);
 					this.stage.addChild(b2);
 					bullet_timeout = 0;
 				} else {
 					bullet_timeout++;
 				}
 			}
 		}
 	}
 }
 
 // FILE 'Ship.as'
 
 package  {
 	import flash.display.MovieClip;
 
 	public class Ship extends MovieClip {
 
 		public function Ship() {
 			// draw ship
 			with (this.graphics) {
 				lineStyle (1, 0x000000, 1);
 				moveTo(15, 0);
 				lineTo(-15, 7.5);
 				lineTo(-15, -7.5);
 				lineTo(15, 0);
 			}
 		}
 	}
 }
 
 // FILE 'Bullet.as'
 
 package  {
 	import flash.events.Event;
 	import flash.display.MovieClip;
 	import Util;
 
 	public class Bullet extends MovieClip {
 
 		public function Bullet(nx, ny, nrotation: Number) {
 			// constructor code
 			with (this.graphics) {
 				lineStyle (1, 0x000000, 1);
 				drawRect(-5, -2, 10, 4);
 			}
 
 			this.x = nx;
 			this.y = ny;
 			this.rotation = nrotation;
 
 			this.addEventListener(Event.ENTER_FRAME, on_enterframe);
 		}
 
 		private function on_enterframe(e: Event) {
 			if (this.x<=0 || this.x>=550 || this.y<=0 || this.y>=400) {
 				this.removeEventListener(Event.ENTER_FRAME, on_enterframe);
 				this.stage.removeChild(this);
 			} else {
 				this.x += Math.cos(Util.deg2rad(this.rotation))*7;
 				this.y += Math.sin(Util.deg2rad(this.rotation))*7;
 			}
 		}
 	}
 }
 
 // FILE 'Util.as'
 
 package  {
 	public class Util {
 		public static function deg2rad(deg:Number):Number {
 			return Math.PI*deg/180.0;
 		}
 	}
 }