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

/**** 
* Classes
****/ 
var Cat = Container.expand(function () {
	var self = Container.call(this);
	var catGraphics = self.attachAsset('cat', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 2;
	self.patrolPoints = [];
	self.currentTarget = 0;
	self.detectionRadius = 80;
	self.update = function () {
		if (self.patrolPoints.length === 0) return;
		var target = self.patrolPoints[self.currentTarget];
		var dx = target.x - self.x;
		var dy = target.y - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < 10) {
			self.currentTarget = (self.currentTarget + 1) % self.patrolPoints.length;
		} else {
			self.x += dx / distance * self.speed;
			self.y += dy / distance * self.speed;
		}
	};
	return self;
});
var Cheese = Container.expand(function () {
	var self = Container.call(this);
	var cheeseGraphics = self.attachAsset('cheese', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.collected = false;
	return self;
});
var KitchenObstacle = Container.expand(function (assetType) {
	var self = Container.call(this);
	var obstacleGraphics = self.attachAsset(assetType, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.isHazard = assetType === 'stove';
	return self;
});
var Mouse = Container.expand(function () {
	var self = Container.call(this);
	var mouseGraphics = self.attachAsset('mouse', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.hasCheese = false;
	self.carriedCheese = null;
	self.speed = 3;
	self.targetX = 0;
	self.targetY = 0;
	self.update = function () {
		// Move towards target position
		var dx = self.targetX - self.x;
		var dy = self.targetY - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance > 5) {
			self.x += dx / distance * self.speed;
			self.y += dy / distance * self.speed;
		}
		// Update carried cheese position
		if (self.carriedCheese) {
			self.carriedCheese.x = self.x;
			self.carriedCheese.y = self.y - 25;
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x2F4F2F
});

/**** 
* Game Code
****/ 
var mice = [];
var cheeseList = [];
var cat;
var mouseHole;
var obstacles = [];
var isDragging = false;
var lastMousePositions = [];
// Create score display
var scoreTxt = new Text2('Score: 0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Create mouse hole
mouseHole = game.addChild(LK.getAsset('mouseHole', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 150,
	y: 2600
}));
// Create three mice
for (var i = 0; i < 3; i++) {
	var mouse = game.addChild(new Mouse());
	mouse.x = 200 + i * 80;
	mouse.y = 2500;
	mouse.targetX = mouse.x;
	mouse.targetY = mouse.y;
	mice.push(mouse);
	lastMousePositions.push({
		x: mouse.x,
		y: mouse.y
	});
}
// Create kitchen counters
var counter1 = game.addChild(new KitchenObstacle('kitchenCounter'));
counter1.x = 500;
counter1.y = 800;
obstacles.push(counter1);
var counter2 = game.addChild(new KitchenObstacle('kitchenCounter'));
counter2.x = 1200;
counter2.y = 1200;
obstacles.push(counter2);
var counter3 = game.addChild(new KitchenObstacle('kitchenCounter'));
counter3.x = 800;
counter3.y = 1800;
obstacles.push(counter3);
// Create stove hazard
var stove = game.addChild(new KitchenObstacle('stove'));
stove.x = 1600;
stove.y = 900;
obstacles.push(stove);
// Create rolling pin obstacle
var rollingPin = game.addChild(new KitchenObstacle('rollingPin'));
rollingPin.x = 600;
rollingPin.y = 1500;
obstacles.push(rollingPin);
// Create cheese pieces
var cheesePositions = [{
	x: 500,
	y: 750
}, {
	x: 1200,
	y: 1150
}, {
	x: 800,
	y: 1750
}, {
	x: 300,
	y: 1000
}, {
	x: 1500,
	y: 1400
}, {
	x: 1000,
	y: 2200
}, {
	x: 700,
	y: 600
}, {
	x: 1400,
	y: 800
}];
for (var i = 0; i < cheesePositions.length; i++) {
	var cheese = game.addChild(new Cheese());
	cheese.x = cheesePositions[i].x;
	cheese.y = cheesePositions[i].y;
	cheeseList.push(cheese);
}
// Create cat
cat = game.addChild(new Cat());
cat.x = 1000;
cat.y = 1000;
cat.patrolPoints = [{
	x: 400,
	y: 600
}, {
	x: 1000,
	y: 600
}, {
	x: 1600,
	y: 600
}, {
	x: 1600,
	y: 1200
}, {
	x: 1000,
	y: 1200
}, {
	x: 400,
	y: 1200
}, {
	x: 400,
	y: 1800
}, {
	x: 1000,
	y: 1800
}, {
	x: 1600,
	y: 1800
}];
function handleMove(x, y, obj) {
	if (isDragging) {
		// Calculate movement delta
		var deltaX = x - mice[0].targetX;
		var deltaY = y - mice[0].targetY;
		// Move all mice together maintaining their relative positions
		for (var i = 0; i < mice.length; i++) {
			var mouse = mice[i];
			var relativeX = mouse.x - mice[0].x;
			var relativeY = mouse.y - mice[0].y;
			mouse.targetX = x + relativeX;
			mouse.targetY = y + relativeY;
			// Keep mice within bounds
			mouse.targetX = Math.max(50, Math.min(1998, mouse.targetX));
			mouse.targetY = Math.max(50, Math.min(2682, mouse.targetY));
		}
	}
}
game.move = handleMove;
game.down = function (x, y, obj) {
	isDragging = true;
	handleMove(x, y, obj);
};
game.up = function (x, y, obj) {
	isDragging = false;
};
game.update = function () {
	// Check cheese collection
	for (var i = cheeseList.length - 1; i >= 0; i--) {
		var cheese = cheeseList[i];
		if (cheese.collected) continue;
		for (var j = 0; j < mice.length; j++) {
			var mouse = mice[j];
			if (!mouse.hasCheese && mouse.intersects(cheese)) {
				// Mouse picks up cheese
				mouse.hasCheese = true;
				mouse.carriedCheese = cheese;
				cheese.collected = true;
				LK.getSound('collect').play();
				break;
			}
		}
	}
	// Check mouse hole delivery
	for (var i = 0; i < mice.length; i++) {
		var mouse = mice[i];
		if (mouse.hasCheese && mouse.intersects(mouseHole)) {
			// Deliver cheese
			LK.setScore(LK.getScore() + 10);
			scoreTxt.setText('Score: ' + LK.getScore());
			// Remove cheese and reset mouse
			mouse.carriedCheese.destroy();
			for (var j = cheeseList.length - 1; j >= 0; j--) {
				if (cheeseList[j] === mouse.carriedCheese) {
					cheeseList.splice(j, 1);
					break;
				}
			}
			mouse.hasCheese = false;
			mouse.carriedCheese = null;
		}
	}
	// Check cat catching mice
	for (var i = 0; i < mice.length; i++) {
		var mouse = mice[i];
		var dx = cat.x - mouse.x;
		var dy = cat.y - mouse.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < cat.detectionRadius) {
			// Cat caught a mouse
			LK.getSound('caught').play();
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
			return;
		}
	}
	// Check win condition
	if (cheeseList.length === 0) {
		LK.showYouWin();
		return;
	}
	// Increase difficulty over time
	if (LK.ticks % 1800 === 0) {
		// Every 30 seconds
		cat.speed += 0.2;
		if (cat.speed > 4) cat.speed = 4;
	}
};

===================================================================
--- original.js
+++ change.js