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

/**** 
* Classes
****/ 
var Cashier = Container.expand(function () {
	var self = Container.call(this);
	// Create cashier counter
	var counter = self.addChild(LK.getAsset('cashierCounter', {
		anchorX: 0.5,
		anchorY: 0.5
	}));
	// Create human-like cashier
	var head = self.addChild(LK.getAsset('cashierHead', {
		anchorX: 0.5,
		anchorY: 0.5
	}));
	head.y = -35;
	var body = self.addChild(LK.getAsset('cashierBody', {
		anchorX: 0.5,
		anchorY: 0.5
	}));
	body.y = -15;
	var leftArm = self.addChild(LK.getAsset('cashierArm', {
		anchorX: 0.5,
		anchorY: 0
	}));
	leftArm.x = -12;
	leftArm.y = -22;
	var rightArm = self.addChild(LK.getAsset('cashierArm', {
		anchorX: 0.5,
		anchorY: 0
	}));
	rightArm.x = 12;
	rightArm.y = -22;
	self.bodyParts = {
		head: head,
		body: body,
		leftArm: leftArm,
		rightArm: rightArm
	};
	self.isProcessing = false;
	self.processingTimer = 0;
	self.processCustomer = function (customer) {
		if (!self.isProcessing) {
			self.isProcessing = true;
			self.processingTimer = 60; // 1 second processing time
			// Animate cashier working
			tween(self.bodyParts.rightArm, {
				rotation: -0.5
			}, 300).then(function () {
				tween(self.bodyParts.rightArm, {
					rotation: 0
				}, 300);
			});
		}
	};
	self.update = function () {
		if (self.isProcessing) {
			self.processingTimer--;
			if (self.processingTimer <= 0) {
				self.isProcessing = false;
			}
			// Slight head bob while processing
			self.bodyParts.head.y = -35 + Math.sin(LK.ticks * 0.3) * 1;
		} else {
			self.bodyParts.head.y = -35;
		}
	};
	return self;
});
var Customer = Container.expand(function () {
	var self = Container.call(this);
	// Create human-like customer with body parts
	var head = self.addChild(LK.getAsset('customerHead', {
		anchorX: 0.5,
		anchorY: 0.5
	}));
	head.y = -20;
	var body = self.addChild(LK.getAsset('customerBody', {
		anchorX: 0.5,
		anchorY: 0.5
	}));
	body.y = 0;
	var leftArm = self.addChild(LK.getAsset('customerArm', {
		anchorX: 0.5,
		anchorY: 0
	}));
	leftArm.x = -15;
	leftArm.y = -8;
	var rightArm = self.addChild(LK.getAsset('customerArm', {
		anchorX: 0.5,
		anchorY: 0
	}));
	rightArm.x = 15;
	rightArm.y = -8;
	var leftLeg = self.addChild(LK.getAsset('customerLeg', {
		anchorX: 0.5,
		anchorY: 0
	}));
	leftLeg.x = -8;
	leftLeg.y = 16;
	var rightLeg = self.addChild(LK.getAsset('customerLeg', {
		anchorX: 0.5,
		anchorY: 0
	}));
	rightLeg.x = 8;
	rightLeg.y = 16;
	// Store body parts for animation
	self.bodyParts = {
		head: head,
		body: body,
		leftArm: leftArm,
		rightArm: rightArm,
		leftLeg: leftLeg,
		rightLeg: rightLeg
	};
	self.speed = 1 + Math.random() * 2;
	self.targetShelf = null;
	self.state = 'browsing'; // browsing, shopping, checkout, leaving
	self.patience = 300 + Math.random() * 200;
	self.maxPatience = self.patience;
	self.walkCycle = 0;
	self.shoppingCart = [];
	self.findNearestShelf = function () {
		var nearestShelf = null;
		var minDistance = Infinity;
		shelves.forEach(function (shelf) {
			if (shelf.products.length > 0) {
				var distance = Math.sqrt(Math.pow(self.x - shelf.x, 2) + Math.pow(self.y - shelf.y, 2));
				if (distance < minDistance) {
					minDistance = distance;
					nearestShelf = shelf;
				}
			}
		});
		return nearestShelf;
	};
	self.update = function () {
		self.patience--;
		if (self.patience <= 0) {
			self.state = 'leaving';
		}
		// Walking animation
		self.walkCycle += 0.2;
		if (self.state === 'browsing' || self.state === 'checkout') {
			self.bodyParts.leftLeg.rotation = Math.sin(self.walkCycle) * 0.3;
			self.bodyParts.rightLeg.rotation = Math.sin(self.walkCycle + Math.PI) * 0.3;
			self.bodyParts.leftArm.rotation = Math.sin(self.walkCycle + Math.PI) * 0.2;
			self.bodyParts.rightArm.rotation = Math.sin(self.walkCycle) * 0.2;
			self.bodyParts.body.y = Math.sin(self.walkCycle * 2) * 1;
		}
		if (self.state === 'browsing') {
			if (!self.targetShelf) {
				self.targetShelf = self.findNearestShelf();
			}
			if (self.targetShelf) {
				var dx = self.targetShelf.x - self.x;
				var dy = self.targetShelf.y - self.y;
				var distance = Math.sqrt(dx * dx + dy * dy);
				if (distance < 60) {
					self.state = 'shopping';
					self.patience = 60;
					// Stop walking animation
					self.bodyParts.leftLeg.rotation = 0;
					self.bodyParts.rightLeg.rotation = 0;
					self.bodyParts.leftArm.rotation = 0;
					self.bodyParts.rightArm.rotation = 0;
				} else {
					self.x += dx / distance * self.speed;
					self.y += dy / distance * self.speed;
				}
			}
		} else if (self.state === 'shopping') {
			if (self.targetShelf && self.targetShelf.products.length > 0) {
				// Add item to shopping cart instead of direct purchase
				self.shoppingCart.push({
					item: self.targetShelf.productType,
					price: self.targetShelf.price
				});
				self.targetShelf.sellProduct();
				// Move to checkout
				self.state = 'checkout';
				self.targetShelf = null;
			} else {
				self.state = 'browsing';
				self.targetShelf = null;
			}
		} else if (self.state === 'checkout') {
			// Move to cashier
			var cashier = findNearestCashier();
			if (cashier) {
				var dx = cashier.x - self.x;
				var dy = cashier.y - self.y;
				var distance = Math.sqrt(dx * dx + dy * dy);
				if (distance < 80) {
					// Process purchase at cashier
					var total = 0;
					self.shoppingCart.forEach(function (item) {
						total += item.price;
					});
					money += total;
					cashier.processCustomer(self);
					createMoneyEffect(cashier.x, cashier.y - 50, total);
					updateUI();
					LK.getSound('cashRegister').play();
					self.state = 'leaving';
				} else {
					self.x += dx / distance * self.speed;
					self.y += dy / distance * self.speed;
				}
			} else {
				self.state = 'leaving';
			}
		} else if (self.state === 'leaving') {
			self.x += self.speed;
			self.y -= self.speed * 0.5;
			if (self.x > 2048 + 50 || self.y < -50) {
				self.destroy();
				customers.splice(customers.indexOf(self), 1);
			}
		}
	};
	return self;
});
var MoneyEffect = Container.expand(function () {
	var self = Container.call(this);
	var moneyIcon = self.attachAsset('money', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.velocity = {
		x: (Math.random() - 0.5) * 4,
		y: -2 - Math.random() * 2
	};
	self.lifetime = 120; // 2 seconds at 60fps
	self.age = 0;
	self.update = function () {
		self.age++;
		// Move upward and slightly sideways
		self.x += self.velocity.x;
		self.y += self.velocity.y;
		// Fade out over time
		self.alpha = 1 - self.age / self.lifetime;
		// Scale effect
		var scale = 1 + self.age / self.lifetime * 0.5;
		self.scaleX = scale;
		self.scaleY = scale;
		// Remove when lifetime expires
		if (self.age >= self.lifetime) {
			self.destroy();
			var index = moneyEffects.indexOf(self);
			if (index > -1) {
				moneyEffects.splice(index, 1);
			}
		}
	};
	return self;
});
var Shelf = Container.expand(function () {
	var self = Container.call(this);
	var shelfGraphics = self.attachAsset('shelf', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.products = [];
	self.maxProducts = 5;
	self.productType = 'basic';
	self.price = 10;
	self.addProduct = function () {
		if (self.products.length < self.maxProducts) {
			var product = self.addChild(LK.getAsset('product', {
				anchorX: 0.5,
				anchorY: 0.5
			}));
			product.x = (self.products.length - 2) * 20;
			product.y = -25;
			self.products.push(product);
		}
	};
	self.sellProduct = function () {
		if (self.products.length > 0) {
			var product = self.products.pop();
			product.destroy();
			return self.price;
		}
		return 0;
	};
	self.down = function (x, y, obj) {
		if (self.products.length > 0) {
			var earnings = self.sellProduct();
			money += earnings;
			createMoneyEffect(self.x, self.y - 50, earnings);
			updateUI();
			LK.getSound('purchase').play();
			// Visual feedback
			LK.effects.flashObject(self, 0x00FF00, 300);
		}
	};
	return self;
});
var StoreManager = Container.expand(function () {
	var self = Container.call(this);
	self.customerSpawnTimer = 0;
	self.customerSpawnRate = 120; // spawn every 2 seconds at 60fps
	self.spawnCustomer = function () {
		if (customers.length < 8) {
			var customer = new Customer();
			customer.x = -50;
			customer.y = 500 + Math.random() * 400;
			customers.push(customer);
			game.addChild(customer);
		}
	};
	self.update = function () {
		self.customerSpawnTimer++;
		if (self.customerSpawnTimer >= self.customerSpawnRate) {
			self.customerSpawnTimer = 0;
			self.spawnCustomer();
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x87CEEB
});

/**** 
* Game Code
****/ 
// Game variables
var money = storage.money || 500;
var level = storage.level || 1;
var shelves = [];
var customers = [];
var cashiers = [];
var moneyEffects = [];
var storeSize = storage.storeSize || 1;
// Helper function to find nearest cashier
function findNearestCashier() {
	if (cashiers.length === 0) return null;
	var nearestCashier = cashiers[0];
	var minDistance = Infinity;
	cashiers.forEach(function (cashier) {
		var distance = Math.sqrt(Math.pow(cashier.x, 2) + Math.pow(cashier.y, 2));
		if (distance < minDistance && !cashier.isProcessing) {
			minDistance = distance;
			nearestCashier = cashier;
		}
	});
	return nearestCashier;
}
// Function to create money effect at position
function createMoneyEffect(x, y, amount) {
	// Create multiple money icons based on amount
	var numEffects = Math.min(Math.floor(amount / 10) + 1, 5);
	for (var i = 0; i < numEffects; i++) {
		var effect = new MoneyEffect();
		effect.x = x + (Math.random() - 0.5) * 40;
		effect.y = y + (Math.random() - 0.5) * 20;
		// Add slight delay between effects
		var delay = i * 100;
		if (delay > 0) {
			effect.alpha = 0;
			tween(effect, {
				alpha: 1
			}, {
				duration: 200,
				delay: delay
			});
		}
		moneyEffects.push(effect);
		game.addChild(effect);
	}
}
// UI Elements
var moneyText = new Text2('$' + money, {
	size: 60,
	fill: 0x000000
});
moneyText.anchor.set(0.5, 0);
LK.gui.top.addChild(moneyText);
var levelText = new Text2('Level ' + level, {
	size: 40,
	fill: 0x000000
});
levelText.anchor.set(0, 0);
levelText.x = 50;
levelText.y = 50;
LK.gui.topLeft.addChild(levelText);
// Store floor
var storeFloor = game.addChild(LK.getAsset('storeFloor', {
	anchorX: 0.5,
	anchorY: 0.5
}));
storeFloor.x = 1024;
storeFloor.y = 866;
// Initial shelves
function createShelf(x, y) {
	var shelf = new Shelf();
	shelf.x = x;
	shelf.y = y;
	// Stock with initial products
	for (var i = 0; i < 3; i++) {
		shelf.addProduct();
	}
	shelves.push(shelf);
	game.addChild(shelf);
	return shelf;
}
// Create initial store layout
createShelf(600, 500);
createShelf(800, 500);
createShelf(1000, 500);
createShelf(600, 700);
createShelf(800, 700);
createShelf(1000, 700);
// Create initial cashier
var cashier = new Cashier();
cashier.x = 400;
cashier.y = 600;
cashiers.push(cashier);
game.addChild(cashier);
// Expand store button
var expandButton = game.addChild(LK.getAsset('expandButton', {
	anchorX: 0.5,
	anchorY: 0.5
}));
expandButton.x = 1400;
expandButton.y = 500;
var expandText = new Text2('Expand\n$200', {
	size: 20,
	fill: 0xFFFFFF
});
expandText.anchor.set(0.5, 0.5);
expandButton.addChild(expandText);
expandButton.down = function (x, y, obj) {
	if (money >= 200) {
		money -= 200;
		storeSize++;
		// Add new shelves
		var newShelfY = 500 + (storeSize - 1) * 150;
		createShelf(1200, newShelfY);
		createShelf(1400, newShelfY);
		updateUI();
		LK.getSound('expand').play();
		LK.effects.flashObject(expandButton, 0x00FF00, 500);
	} else {
		LK.effects.flashObject(expandButton, 0xFF0000, 500);
	}
};
// Restock button
var stockButton = game.addChild(LK.getAsset('stockButton', {
	anchorX: 0.5,
	anchorY: 0.5
}));
stockButton.x = 1400;
stockButton.y = 600;
var stockText = new Text2('Restock\n$50', {
	size: 20,
	fill: 0xFFFFFF
});
stockText.anchor.set(0.5, 0.5);
stockButton.addChild(stockText);
stockButton.down = function (x, y, obj) {
	if (money >= 50) {
		money -= 50;
		// Restock all shelves
		shelves.forEach(function (shelf) {
			while (shelf.products.length < shelf.maxProducts) {
				shelf.addProduct();
			}
		});
		updateUI();
		LK.getSound('purchase').play();
		LK.effects.flashObject(stockButton, 0x00FF00, 500);
	} else {
		LK.effects.flashObject(stockButton, 0xFF0000, 500);
	}
};
// Store manager
var storeManager = new StoreManager();
game.addChild(storeManager);
function updateUI() {
	moneyText.setText('$' + money);
	// Level up system
	if (money >= level * 1000) {
		level++;
		levelText.setText('Level ' + level);
		LK.effects.flashScreen(0x00FF00, 1000);
	}
	// Save progress
	storage.money = money;
	storage.level = level;
	storage.storeSize = storeSize;
}
// Game loop
game.update = function () {
	// Update customers
	for (var i = customers.length - 1; i >= 0; i--) {
		var customer = customers[i];
		if (customer.update) {
			customer.update();
		}
	}
	// Update cashiers
	for (var i = 0; i < cashiers.length; i++) {
		var cashier = cashiers[i];
		if (cashier.update) {
			cashier.update();
		}
	}
	// Update store manager
	if (storeManager.update) {
		storeManager.update();
	}
	// Update money effects
	for (var i = moneyEffects.length - 1; i >= 0; i--) {
		var effect = moneyEffects[i];
		if (effect.update) {
			effect.update();
		}
	}
	// Check win condition
	if (money >= 10000) {
		LK.showYouWin();
	}
	// Check lose condition (bankruptcy)
	if (money < 0 && shelves.every(function (shelf) {
		return shelf.products.length === 0;
	})) {
		LK.showGameOver();
	}
};
// Initialize UI
updateUI();

===================================================================
--- original.js
+++ change.js
@@ -310,9 +310,9 @@
 	self.spawnCustomer = function () {
 		if (customers.length < 8) {
 			var customer = new Customer();
 			customer.x = -50;
-			customer.y = 400 + Math.random() * 400;
+			customer.y = 500 + Math.random() * 400;
 			customers.push(customer);
 			game.addChild(customer);
 		}
 	};
@@ -401,9 +401,9 @@
 	anchorX: 0.5,
 	anchorY: 0.5
 }));
 storeFloor.x = 1024;
-storeFloor.y = 600;
+storeFloor.y = 866;
 // Initial shelves
 function createShelf(x, y) {
 	var shelf = new Shelf();
 	shelf.x = x;
@@ -416,27 +416,27 @@
 	game.addChild(shelf);
 	return shelf;
 }
 // Create initial store layout
-createShelf(800, 400);
-createShelf(1000, 400);
-createShelf(1200, 400);
-createShelf(800, 600);
-createShelf(1000, 600);
-createShelf(1200, 600);
+createShelf(600, 500);
+createShelf(800, 500);
+createShelf(1000, 500);
+createShelf(600, 700);
+createShelf(800, 700);
+createShelf(1000, 700);
 // Create initial cashier
 var cashier = new Cashier();
-cashier.x = 500;
-cashier.y = 500;
+cashier.x = 400;
+cashier.y = 600;
 cashiers.push(cashier);
 game.addChild(cashier);
 // Expand store button
 var expandButton = game.addChild(LK.getAsset('expandButton', {
 	anchorX: 0.5,
 	anchorY: 0.5
 }));
-expandButton.x = 1600;
-expandButton.y = 400;
+expandButton.x = 1400;
+expandButton.y = 500;
 var expandText = new Text2('Expand\n$200', {
 	size: 20,
 	fill: 0xFFFFFF
 });
@@ -446,11 +446,11 @@
 	if (money >= 200) {
 		money -= 200;
 		storeSize++;
 		// Add new shelves
-		var newShelfY = 400 + (storeSize - 1) * 150;
+		var newShelfY = 500 + (storeSize - 1) * 150;
+		createShelf(1200, newShelfY);
 		createShelf(1400, newShelfY);
-		createShelf(1600, newShelfY);
 		updateUI();
 		LK.getSound('expand').play();
 		LK.effects.flashObject(expandButton, 0x00FF00, 500);
 	} else {
@@ -461,10 +461,10 @@
 var stockButton = game.addChild(LK.getAsset('stockButton', {
 	anchorX: 0.5,
 	anchorY: 0.5
 }));
-stockButton.x = 1600;
-stockButton.y = 500;
+stockButton.x = 1400;
+stockButton.y = 600;
 var stockText = new Text2('Restock\n$50', {
 	size: 20,
 	fill: 0xFFFFFF
 });