/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");

/**** 
* Classes
****/ 
var Gameplay = Container.expand(function () {
	var self = Container.call(this);
	var gameplayGraphics = self.attachAsset('gameplayBackground', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	return self;
});
var Tower = Container.expand(function () {
	var self = Container.call(this);
	var towerGraphics = self.attachAsset('testTower', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	return self;
});
var UI = Container.expand(function () {
	var self = Container.call(this);
	var uiGraphics = self.attachAsset('uiBackground', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	return self;
});

/**** 
* Initialize Game
****/ 
// Game variables
var game = new LK.Game({
	backgroundColor: 0x000000 //Init game with black background 
});

/**** 
* Game Code
****/ 
var draggedTower = null;
var isDragging = false;
// Create Gameplay object at top (4/5 of screen height = 2186 pixels)
var gameplay = game.addChild(new Gameplay());
gameplay.x = 1024; // Center horizontally
gameplay.y = 1093; // Position at top (2186/2 = 1093)
// Create UI object at bottom (1/5 of screen height = 546 pixels)
var ui = game.addChild(new UI());
ui.x = 1024; // Center horizontally
ui.y = 2459; // Position at bottom (2732 - 546/2 = 2459)
// Create button background and tower button at bottom center
var buttonBG = game.addChild(LK.getAsset('BGbuttonTower', {
	anchorX: 0.5,
	anchorY: 0.5
}));
buttonBG.x = 1024;
buttonBG.y = 2600;
var dragButton = game.addChild(new Tower());
dragButton.x = 1024;
dragButton.y = 2600;
// Button press event
dragButton.down = function (x, y, obj) {
	isDragging = true;
	draggedTower = game.addChild(new Tower());
	draggedTower.x = 1024;
	draggedTower.y = 2600;
	draggedTower.alpha = 0.7;
};
// Game move handler for dragging
game.move = function (x, y, obj) {
	if (isDragging && draggedTower) {
		// Calculate offset based on position relative to gameplay area corners
		var offsetX = 0;
		var offsetY = 0;
		var gameplayLeft = gameplay.x - gameplay.width / 2;
		var gameplayRight = gameplay.x + gameplay.width / 2;
		var gameplayTop = gameplay.y - gameplay.height / 2;
		var gameplayBottom = gameplay.y + gameplay.height / 2;
		var gameplayCenterX = gameplay.x;
		var gameplayCenterY = gameplay.y;
		// Determine which corner/quadrant the touch is in
		if (x >= gameplayCenterX && y <= gameplayCenterY) {
			// Upper right corner
			offsetX = 200;
			offsetY = -200;
		} else if (x <= gameplayCenterX && y <= gameplayCenterY) {
			// Upper left corner
			offsetX = -200;
			offsetY = -200;
		} else if (x <= gameplayCenterX && y >= gameplayCenterY) {
			// Lower left corner
			offsetX = -200;
			offsetY = 200;
		} else if (x >= gameplayCenterX && y >= gameplayCenterY) {
			// Lower right corner
			offsetX = 200;
			offsetY = 200;
		}
		// Stop any existing tweens on the tower
		tween.stop(draggedTower, {
			x: true,
			y: true
		});
		// Smoothly animate to new position
		tween(draggedTower, {
			x: x + offsetX,
			y: y + offsetY
		}, {
			duration: 150,
			easing: tween.easeOut
		});
	}
};
// Game release handler
game.up = function (x, y, obj) {
	if (isDragging && draggedTower) {
		draggedTower.alpha = 1.0;
		isDragging = false;
		draggedTower = null;
	}
};

===================================================================
--- original.js
+++ change.js
@@ -1,5 +1,10 @@
 /**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
 * Classes
 ****/ 
 var Gameplay = Container.expand(function () {
 	var self = Container.call(this);
@@ -94,10 +99,21 @@
 			// Lower right corner
 			offsetX = 200;
 			offsetY = 200;
 		}
-		draggedTower.x = x + offsetX;
-		draggedTower.y = y + offsetY;
+		// Stop any existing tweens on the tower
+		tween.stop(draggedTower, {
+			x: true,
+			y: true
+		});
+		// Smoothly animate to new position
+		tween(draggedTower, {
+			x: x + offsetX,
+			y: y + offsetY
+		}, {
+			duration: 150,
+			easing: tween.easeOut
+		});
 	}
 };
 // Game release handler
 game.up = function (x, y, obj) {