===================================================================
--- original.js
+++ change.js
@@ -12,8 +12,20 @@
 	self.update = function () {
 		self.y -= self.speed;
 	};
 });
+// Define the Joystick class
+var Joystick = Container.expand(function () {
+	var self = Container.call(this);
+	var joystickGraphics = self.attachAsset('joystick', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.move = function (x, y) {
+		self.x = x;
+		self.y = y;
+	};
+});
 //<Assets used in the game will automatically appear here>
 // Define the Player class
 var Player = Container.expand(function () {
 	var self = Container.call(this);
@@ -51,9 +63,9 @@
 
 /**** 
 * Game Code
 ****/ 
-// Initialize player, target and fire
+// Initialize player, target, fire and joystick
 var player = game.addChild(new Player());
 player.x = 2048 / 2;
 player.y = 2732 - 200;
 var target = game.addChild(new Target());
@@ -61,11 +73,19 @@
 target.y = Math.random() * 2732;
 var fire = game.addChild(new Fire());
 fire.x = player.x;
 fire.y = player.y;
+var joystick = game.addChild(new Joystick());
+joystick.x = 200;
+joystick.y = 2732 - 200;
 // Handle player movement and fire breathing
 game.down = function (x, y, obj) {
-	player.move(x, y);
+	joystick.move(x, y);
+	var dx = joystick.x - player.x;
+	var dy = joystick.y - player.y;
+	var angle = Math.atan2(dy, dx);
+	player.x += Math.cos(angle) * player.speed;
+	player.y += Math.sin(angle) * player.speed;
 	fire.x = player.x;
 	fire.y = player.y;
 };
 // Check for win condition