/**** 
* Classes
****/ 
// Bullet class
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	// Attach the bullet sprite
	var bulletSprite = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Set bullet speed
	self.speed = -10;
	// This is automatically called every game tick, if the bullet is attached!
	self.update = function () {
		self.y += self.speed;
		// Destroy the bullet if it goes off the screen
		if (self.y < -self.height) {
			self.destroy();
		}
	};
});
// Player's vehicle class
var PlayerVehicle = Container.expand(function () {
	var self = Container.call(this);
	// Attach the player's vehicle sprite
	var vehicleSprite = self.attachAsset('playerVehicle', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 2,
		scaleY: 2
	});
	// This is automatically called every game tick, if the player's vehicle is attached!
	self.update = function () {
		// Fire a bullet every 30 ticks
		if (LK.ticks % 30 == 0) {
			var bullet = new Bullet();
			bullet.x = self.x;
			bullet.y = self.y - self.height / 2 - bullet.height / 2;
			game.addChild(bullet);
		}
	};
});

/**** 
* Initialize Game
****/ 
// Add player's vehicle to the game
var game = new LK.Game({
	backgroundColor: 0x000000
});

/**** 
* Game Code
****/ 
// Add player's vehicle to the game
var playerVehicle = game.addChild(new PlayerVehicle());
// Position player's vehicle at the bottom of the screen
playerVehicle.x = 2048 / 2;
playerVehicle.y = 2732 - playerVehicle.height / 2;
// Declare a variable to track the node being dragged
var dragNode = null;
// Add a touch down event handler to the game
game.down = function (x, y, obj) {
	// Set playerVehicle as the node being dragged
	dragNode = playerVehicle;
	// Store the initial touch position
	dragNode.initialTouchPosition = {
		x: x,
		y: y
	};
	// Store the initial position of the playerVehicle
	dragNode.initialPosition = {
		x: playerVehicle.x,
		y: playerVehicle.y
	};
};
// Add a touch move event handler to the game
game.move = function (x, y, obj) {
	// If a node is being dragged, update its position relative to the speed and direction at which the player moves their finger
	if (dragNode) {
		dragNode.x = dragNode.initialPosition.x + (x - dragNode.initialTouchPosition.x);
		dragNode.y = dragNode.initialPosition.y + (y - dragNode.initialTouchPosition.y);
	}
};
// Add a touch up event handler to the game
game.up = function (x, y, obj) {
	// If a node was being dragged, stop dragging it
	if (dragNode) {
		dragNode = null;
	}
};

===================================================================
--- original.js
+++ change.js
@@ -61,19 +61,27 @@
 // Declare a variable to track the node being dragged
 var dragNode = null;
 // Add a touch down event handler to the game
 game.down = function (x, y, obj) {
-	// If the player's vehicle was touched, set it as the node being dragged
-	if (playerVehicle.intersects(obj)) {
-		dragNode = playerVehicle;
-	}
+	// Set playerVehicle as the node being dragged
+	dragNode = playerVehicle;
+	// Store the initial touch position
+	dragNode.initialTouchPosition = {
+		x: x,
+		y: y
+	};
+	// Store the initial position of the playerVehicle
+	dragNode.initialPosition = {
+		x: playerVehicle.x,
+		y: playerVehicle.y
+	};
 };
 // Add a touch move event handler to the game
 game.move = function (x, y, obj) {
-	// If a node is being dragged, update its position to the touch position
+	// If a node is being dragged, update its position relative to the speed and direction at which the player moves their finger
 	if (dragNode) {
-		dragNode.x = x;
-		dragNode.y = y;
+		dragNode.x = dragNode.initialPosition.x + (x - dragNode.initialTouchPosition.x);
+		dragNode.y = dragNode.initialPosition.y + (y - dragNode.initialTouchPosition.y);
 	}
 };
 // Add a touch up event handler to the game
 game.up = function (x, y, obj) {