/**** 
* Classes
****/
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		// Player update logic will be handled in the game tick
	};
});
var Umbrella = Container.expand(function () {
	var self = Container.call(this);
	var umbrellaGraphics = self.attachAsset('umbrella', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		// Umbrella update logic will be handled in the game tick
	};
});
var Raindrop = Container.expand(function () {
	var self = Container.call(this);
	var raindropGraphics = self.attachAsset('raindrop', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.move = function () {
		self.y += self.speed;
	};
});

/**** 
* Initialize Game
****/
var game = new LK.Game({
	backgroundColor: 0x87CEEB // Light blue background to represent the sky
});

/**** 
* Game Code
****/
game.on('up', function (obj) {
	dragNode = null;
});
game.on('move', function (obj) {
	if (dragNode) {
		var currentPos = obj.event.getLocalPosition(game);
		dragNode.x = currentPos.x;
		dragNode.y = currentPos.y;
	}
});
var player = game.addChild(new Player());
player.x = 2048 / 2;
player.y = 2732 - 150;
var umbrella = game.addChild(new Umbrella());
umbrella.x = player.x;
umbrella.y = player.y - 100;
var raindrops = [];
var dragNode = null;
game.on('down', function (obj) {
	dragNode = umbrella;
	var touchPos = obj.event.getLocalPosition(game);
	dragNode.initialTouch = {
		x: touchPos.x,
		y: touchPos.y
	};
	dragNode.initialPos = {
		x: dragNode.x,
		y: dragNode.y
	};
});
LK.on('tick', function () {
	// Create raindrops
	if (LK.ticks % 10 === 0) {
		var raindrop = new Raindrop();
		raindrop.x = Math.random() * 2048;
		raindrop.y = -10;
		raindrops.push(raindrop);
		game.addChild(raindrop);
	}
	// Update raindrops
	for (var i = raindrops.length - 1; i >= 0; i--) {
		raindrops[i].move();
		if (raindrops[i].y > 2732) {
			raindrops[i].destroy();
			raindrops.splice(i, 1);
		} else if (raindrops[i].intersects(umbrella)) {
			raindrops[i].destroy();
			raindrops.splice(i, 1);
		} else if (raindrops[i].intersects(player)) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
			break;
		}
	}
});

===================================================================
--- original.js
+++ change.js
@@ -48,10 +48,10 @@
 });
 game.on('move', function (obj) {
 	if (dragNode) {
 		var currentPos = obj.event.getLocalPosition(game);
-		dragNode.x = dragNode.initialPos.x + (currentPos.x - dragNode.initialTouch.x);
-		dragNode.y = dragNode.initialPos.y + (currentPos.y - dragNode.initialTouch.y);
+		dragNode.x = currentPos.x;
+		dragNode.y = currentPos.y;
 	}
 });
 var player = game.addChild(new Player());
 player.x = 2048 / 2;