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

/**** 
* Classes
****/ 
var DirectionalButton = Container.expand(function (direction, assetId) {
	var self = Container.call(this);
	var graphics = self.attachAsset(assetId, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.direction = direction;
	// Add visual feedback when pressed
	self.down = function (x, y, obj) {
		if (!isGameRunning) {
			return;
		}
		// Prevent multiple rapid presses
		if (self.isPressed) {
			return;
		}
		self.isPressed = true;
		// Visual feedback - make button slightly smaller
		tween(self, {
			scaleX: 0.9,
			scaleY: 0.9
		}, {
			duration: 100
		});
		// Change snake direction immediately
		changeDirection(self.direction);
	};
	self.up = function (x, y, obj) {
		// Reset pressed state
		self.isPressed = false;
		// Return button to normal size
		tween(self, {
			scaleX: 1.0,
			scaleY: 1.0
		}, {
			duration: 100
		});
	};
	return self;
});
var EnemySnake = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('enemySnake', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	graphics.tint = 0xff4444; // Red tint for enemy
	self.moveSpeed = 1.5;
	self.direction = Math.random() * Math.PI * 2;
	self.chaseTimer = 0;
	self.isBeingRepelled = false;
	self.repelTimer = 0;
	self.update = function () {
		// Check if being repelled by friendly snakes
		self.isBeingRepelled = false;
		for (var i = 0; i < friendlySnakes.length; i++) {
			var friendlySnake = friendlySnakes[i];
			var dist = Math.sqrt(Math.pow(self.x - friendlySnake.x, 2) + Math.pow(self.y - friendlySnake.y, 2));
			if (dist < 150) {
				// Repel range
				self.isBeingRepelled = true;
				// Move away from friendly snake
				var angle = Math.atan2(self.y - friendlySnake.y, self.x - friendlySnake.x);
				self.direction = angle;
				break;
			}
		}
		// If not being repelled, chase the player
		if (!self.isBeingRepelled && snake.length > 0) {
			self.chaseTimer++;
			if (self.chaseTimer >= 30) {
				// Update chase direction every 0.5 seconds
				var playerHead = snake[0];
				var playerScreenPos = gridToScreen(playerHead.x, playerHead.y);
				var angle = Math.atan2(playerScreenPos.y - self.y, playerScreenPos.x - self.x);
				self.direction = angle;
				self.chaseTimer = 0;
			}
		}
		// Move in current direction
		self.x += Math.cos(self.direction) * self.moveSpeed;
		self.y += Math.sin(self.direction) * self.moveSpeed;
		// Bounce off walls
		if (self.x < boardOffsetX || self.x > boardOffsetX + BOARD_WIDTH * GRID_SIZE) {
			self.direction = Math.PI - self.direction;
		}
		if (self.y < boardOffsetY || self.y > boardOffsetY + BOARD_HEIGHT * GRID_SIZE) {
			self.direction = -self.direction;
		}
		// Keep within bounds
		self.x = Math.max(boardOffsetX, Math.min(boardOffsetX + BOARD_WIDTH * GRID_SIZE, self.x));
		self.y = Math.max(boardOffsetY, Math.min(boardOffsetY + BOARD_HEIGHT * GRID_SIZE, self.y));
	};
	return self;
});
var Food = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('food', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		// Simple pulsing animation
		var scale = 1 + Math.sin(LK.ticks * 0.1) * 0.1;
		self.scaleX = scale;
		self.scaleY = scale;
	};
	return self;
});
var FriendlySnake = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('friendlySnake', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.moveSpeed = 2;
	self.direction = Math.random() * Math.PI * 2;
	self.dropTimer = 0;
	self.maxDrops = 3;
	self.dropsLeft = 3;
	self.hasKilledEnemy = false;
	self.update = function () {
		// Check for nearby enemy snakes to chase
		var isChasing = false;
		var closestEnemy = null;
		var closestDistance = Infinity;
		for (var i = 0; i < enemySnakes.length; i++) {
			var enemySnake = enemySnakes[i];
			var dist = Math.sqrt(Math.pow(self.x - enemySnake.x, 2) + Math.pow(self.y - enemySnake.y, 2));
			if (dist < 200) {
				// Detection range - notify GIGACHAD!
				if (!gigaChadNotified && enemySnakes.length > 0) {
					gigaChadNotified = true;
					if (!gigaChad) {
						gigaChad = game.addChild(new GigaChad());
					}
					gigaChad.summon();
				}
				if (dist < closestDistance) {
					closestDistance = dist;
					closestEnemy = enemySnake;
					isChasing = true;
				}
			}
		}
		// If chasing an enemy, move towards it
		if (isChasing && closestEnemy) {
			var angle = Math.atan2(closestEnemy.y - self.y, closestEnemy.x - self.x);
			self.direction = angle;
			self.moveSpeed = 3; // Increase speed when chasing
		} else {
			self.moveSpeed = 2; // Normal speed when not chasing
		}
		// Move in current direction
		self.x += Math.cos(self.direction) * self.moveSpeed;
		self.y += Math.sin(self.direction) * self.moveSpeed;
		// Check if we killed an enemy snake
		for (var i = enemySnakes.length - 1; i >= 0; i--) {
			var enemySnake = enemySnakes[i];
			var dist = Math.sqrt(Math.pow(self.x - enemySnake.x, 2) + Math.pow(self.y - enemySnake.y, 2));
			if (dist < 50) {
				// Kill range
				// Enemy snake is killed
				enemySnake.destroy();
				enemySnakes.splice(i, 1);
				LK.setScore(LK.getScore() + 100); // Bonus for friendly snake killing enemy
				scoreTxt.setText('Snake Coin (SCOİN): ' + LK.getScore());
				// Mark this friendly snake as having killed an enemy
				self.hasKilledEnemy = true;
				break;
			}
		}
		// Bounce off walls
		if (self.x < boardOffsetX || self.x > boardOffsetX + BOARD_WIDTH * GRID_SIZE) {
			self.direction = Math.PI - self.direction;
		}
		if (self.y < boardOffsetY || self.y > boardOffsetY + BOARD_HEIGHT * GRID_SIZE) {
			self.direction = -self.direction;
		}
		// Keep within bounds
		self.x = Math.max(boardOffsetX, Math.min(boardOffsetX + BOARD_WIDTH * GRID_SIZE, self.x));
		self.y = Math.max(boardOffsetY, Math.min(boardOffsetY + BOARD_HEIGHT * GRID_SIZE, self.y));
		// Drop food periodically
		self.dropTimer++;
		if (self.dropTimer >= 120 && self.dropsLeft > 0) {
			// Every 2 seconds
			self.dropFood();
			self.dropTimer = 0;
			self.dropsLeft--;
		}
		// Remove after all drops are done - but only if hasn't killed an enemy
		if (self.dropsLeft <= 0 && !self.hasKilledEnemy) {
			tween(self, {
				alpha: 0
			}, {
				duration: 1000,
				onFinish: function onFinish() {
					self.destroy();
					var index = friendlySnakes.indexOf(self);
					if (index > -1) {
						friendlySnakes.splice(index, 1);
					}
				}
			});
		}
	};
	self.dropFood = function () {
		var dropType = Math.random() < 0.3 ? 'level2' : 'normal';
		var newFood;
		if (dropType === 'level2') {
			newFood = game.addChild(new Level2Food());
		} else {
			newFood = game.addChild(new Food());
		}
		// Convert screen position to grid position and clamp to board bounds
		var gridX = Math.round((self.x - boardOffsetX) / GRID_SIZE);
		var gridY = Math.round((self.y - boardOffsetY) / GRID_SIZE);
		// Ensure food stays within board bounds
		gridX = Math.max(0, Math.min(BOARD_WIDTH - 1, gridX));
		gridY = Math.max(0, Math.min(BOARD_HEIGHT - 1, gridY));
		// Set food position based on clamped grid coordinates
		var screenPos = gridToScreen(gridX, gridY);
		newFood.x = screenPos.x;
		newFood.y = screenPos.y;
		newFood.gridX = gridX;
		newFood.gridY = gridY;
		// Add to food array
		foodItems.push(newFood);
	};
	return self;
});
var GigaChad = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('gigachad', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.isActive = false;
	self.destroyTimer = 0;
	self.destroyDelay = shopEffects.speedGigachad.active ? 300 : 600; // 5 seconds if fast, 10 seconds normal
	self.summon = function () {
		if (self.isActive) return; // Already summoned
		self.isActive = true;
		self.destroyTimer = 0;
		// Position GIGACHAD at center of board
		self.x = boardOffsetX + BOARD_WIDTH * GRID_SIZE / 2;
		self.y = boardOffsetY + BOARD_HEIGHT * GRID_SIZE / 2;
		// Make GIGACHAD appear with dramatic effect
		self.alpha = 0;
		self.scaleX = 0.1;
		self.scaleY = 0.1;
		tween(self, {
			alpha: 1,
			scaleX: 1,
			scaleY: 1
		}, {
			duration: 500,
			easing: tween.bounceOut
		});
		// Play summon sound
		LK.getSound('gigachadSummon').play();
		// Flash screen to show GIGACHAD arrival
		LK.effects.flashScreen(0xFFD700, 1000); // Gold flash
		// Destroy all enemies immediately upon arrival
		self.destroyAllEnemies();
	};
	self.update = function () {
		if (!self.isActive) return;
		self.destroyTimer++;
		// Pulsing effect while active
		var pulse = 1 + Math.sin(LK.ticks * 0.2) * 0.1;
		self.scaleX = pulse;
		self.scaleY = pulse;
		// Auto-deactivate after completing task (enemies destroyed immediately on summon)
		if (self.destroyTimer >= self.destroyDelay) {
			// GIGACHAD disappears after completing his task
			tween(self, {
				alpha: 0,
				scaleX: 0.1,
				scaleY: 0.1
			}, {
				duration: 1000,
				easing: tween.easeIn,
				onFinish: function onFinish() {
					self.isActive = false;
					self.destroyTimer = 0;
				}
			});
		}
	};
	self.destroyAllEnemies = function () {
		// Destroy all enemy snakes immediately
		for (var i = enemySnakes.length - 1; i >= 0; i--) {
			var enemySnake = enemySnakes[i];
			// Flash enemy red before destroying
			tween(enemySnake, {
				tint: 0xFF0000,
				alpha: 0
			}, {
				duration: 200,
				onFinish: function onFinish() {
					enemySnake.destroy();
				}
			});
		}
		// Clear enemy snakes array
		enemySnakes = [];
		// Play destroy sound
		LK.getSound('gigachadDestroy').play();
		// Flash screen red for destruction
		LK.effects.flashScreen(0xFF0000, 1500);
		// Add massive score bonus
		LK.setScore(LK.getScore() + 500);
		scoreTxt.setText('Snake Coin (SCOİN): ' + LK.getScore());
	};
	return self;
});
var Level2Food = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('level2Food', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.foodType = 'level2';
	self.update = function () {
		// Special pulsing animation for level 2 food
		var scale = 1 + Math.sin(LK.ticks * 0.15) * 0.3;
		self.scaleX = scale;
		self.scaleY = scale;
		// Color cycling effect
		var colorPhase = LK.ticks * 0.1 % (Math.PI * 2);
		var red = Math.floor(128 + 127 * Math.sin(colorPhase));
		var green = Math.floor(128 + 127 * Math.sin(colorPhase + Math.PI * 2 / 3));
		var blue = Math.floor(128 + 127 * Math.sin(colorPhase + Math.PI * 4 / 3));
		graphics.tint = red << 16 | green << 8 | blue;
	};
	return self;
});
var Merchant = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('friendlySnake', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	graphics.tint = 0xFFD700; // Gold tint for merchant
	// Shop items with costs
	self.shopItems = {
		slowdown: {
			cost: 150,
			name: "Slowdown (5min)",
			active: false,
			duration: 18000
		},
		// 5 minutes at 60fps
		speedGigachad: {
			cost: 200,
			name: "Fast GIGACHAD",
			active: false
		},
		doublePoints: {
			cost: 200,
			name: "2x Points",
			active: false,
			duration: 18000
		} // 5 minutes at 60fps
	};
	self.down = function (x, y, obj) {
		self.openShop();
	};
	self.openShop = function () {
		// Simple shop interface using score display
		var playerCoins = storage.coins || 0;
		var shopText = "SHOP (Coins: " + playerCoins + ")\n";
		shopText += "1. Slowdown 5min - " + self.shopItems.slowdown.cost + " coins\n";
		shopText += "2. Fast GIGACHAD - " + self.shopItems.speedGigachad.cost + " coins\n";
		shopText += "3. 2x Points - " + self.shopItems.doublePoints.cost + " coins";
		// Flash screen to show shop is open
		LK.effects.flashScreen(0xFFD700, 500);
	};
	return self;
});
var ShopButton = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('shopButton', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	graphics.tint = 0x4CAF50; // Green tint for shop button
	self.down = function (x, y, obj) {
		if (!isGameRunning && !isShopOpen) {
			return;
		}
		// Visual feedback - make button slightly smaller
		tween(self, {
			scaleX: 0.9,
			scaleY: 0.9
		}, {
			duration: 100
		});
		// Toggle shop - close if open, open if closed
		if (isShopOpen) {
			self.closeShop();
		} else {
			isShopOpen = true;
			self.openFullScreenShop();
		}
	};
	self.up = function (x, y, obj) {
		// Return button to normal size
		tween(self, {
			scaleX: 1.0,
			scaleY: 1.0
		}, {
			duration: 100
		});
	};
	self.openFullScreenShop = function () {
		// Create full-screen shop container
		shopContainer = new Container();
		shopContainer.x = 0;
		shopContainer.y = 0;
		game.addChild(shopContainer);
		// Create semi-transparent background
		var shopBg = LK.getAsset('shopButton', {
			anchorX: 0,
			anchorY: 0,
			scaleX: 10.24,
			scaleY: 34.15
		});
		shopBg.tint = 0x000000;
		shopBg.alpha = 0.8;
		shopContainer.addChild(shopBg);
		// Get player coins
		var playerCoins = storage.coins || 0;
		// Create shop title
		var titleText = new Text2('SHOP', {
			size: 150,
			fill: 0xFFD700
		});
		titleText.anchor.set(0.5, 0.5);
		titleText.x = 1024;
		titleText.y = 300;
		shopContainer.addChild(titleText);
		// Create coins display
		var coinsText = new Text2('Coins: ' + playerCoins, {
			size: 80,
			fill: 0xFFFFFF
		});
		coinsText.anchor.set(0.5, 0.5);
		coinsText.x = 1024;
		coinsText.y = 450;
		shopContainer.addChild(coinsText);
		// Create shop items
		var yPos = 700;
		var itemSpacing = 200;
		// Slowdown item
		var slowdownButton = LK.getAsset('shopButton', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		slowdownButton.x = 1024;
		slowdownButton.y = yPos;
		slowdownButton.tint = playerCoins >= 150 ? 0x4CAF50 : 0x666666;
		shopContainer.addChild(slowdownButton);
		var slowdownText = new Text2('Slowdown 5min - 150 coins', {
			size: 50,
			fill: 0xFFFFFF
		});
		slowdownText.anchor.set(0.5, 0.5);
		slowdownText.x = 1024;
		slowdownText.y = yPos;
		shopContainer.addChild(slowdownText);
		// Speed GIGACHAD item
		yPos += itemSpacing;
		var speedButton = LK.getAsset('shopButton', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		speedButton.x = 1024;
		speedButton.y = yPos;
		speedButton.tint = playerCoins >= 200 ? 0x4CAF50 : 0x666666;
		shopContainer.addChild(speedButton);
		var speedText = new Text2('Fast GIGACHAD - 200 coins', {
			size: 50,
			fill: 0xFFFFFF
		});
		speedText.anchor.set(0.5, 0.5);
		speedText.x = 1024;
		speedText.y = yPos;
		shopContainer.addChild(speedText);
		// Double Points item
		yPos += itemSpacing;
		var doubleButton = LK.getAsset('shopButton', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		doubleButton.x = 1024;
		doubleButton.y = yPos;
		doubleButton.tint = playerCoins >= 200 ? 0x4CAF50 : 0x666666;
		shopContainer.addChild(doubleButton);
		var doubleText = new Text2('2x Points - 200 coins', {
			size: 50,
			fill: 0xFFFFFF
		});
		doubleText.anchor.set(0.5, 0.5);
		doubleText.x = 1024;
		doubleText.y = yPos;
		shopContainer.addChild(doubleText);
		// Add shop interaction handlers
		self.handleShopClick = function (x, y) {
			// Check which button was clicked
			var localPos = shopContainer.toLocal({
				x: x,
				y: y
			});
			// Check item buttons
			var itemY = 700;
			// Slowdown button
			if (Math.abs(localPos.x - 1024) < 100 && Math.abs(localPos.y - itemY) < 40) {
				if (playerCoins >= 150) {
					storage.coins = playerCoins - 150;
					inventory.slowdown++;
					storage.slowdownCount = inventory.slowdown;
					self.closeShop();
				}
				return;
			}
			// Speed GIGACHAD button
			itemY += 200;
			if (Math.abs(localPos.x - 1024) < 100 && Math.abs(localPos.y - itemY) < 40) {
				if (playerCoins >= 200) {
					storage.coins = playerCoins - 200;
					inventory.speedGigachad++;
					storage.speedGigachadCount = inventory.speedGigachad;
					self.closeShop();
				}
				return;
			}
			// Double points button
			itemY += 200;
			if (Math.abs(localPos.x - 1024) < 100 && Math.abs(localPos.y - itemY) < 40) {
				if (playerCoins >= 200) {
					storage.coins = playerCoins - 200;
					inventory.doublePoints++;
					storage.doublePointsCount = inventory.doublePoints;
					self.closeShop();
				}
				return;
			}
		};
		self.closeShop = function () {
			isShopOpen = false;
			isGameRunning = true; // Resume game when closing shop
			if (shopContainer) {
				shopContainer.destroy();
				shopContainer = null;
			}
		};
	};
	return self;
});
var Snake = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('snakeHead', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x1a1a1a
});

/**** 
* Game Code
****/ 
// Game configuration
var GRID_SIZE = 40;
var BOARD_WIDTH = 35;
var BOARD_HEIGHT = 50;
var MOVE_DELAY = 8; // Frames between moves
// Game state variables
var snake = [];
var snakeDirection = {
	x: 1,
	y: 0
};
var nextDirection = {
	x: 1,
	y: 0
};
var food = null;
var moveCounter = 0;
var isGameRunning = true;
var friendlySnakes = [];
var friendlySnakeTimer = 0;
var enemySnakes = [];
var enemySnakeTimer = 0;
var foodItems = [];
var gigaChad = null;
var gigaChadNotified = false;
var shopButton = null;
var shopEffects = {
	slowdown: {
		active: false,
		timer: 0
	},
	speedGigachad: {
		active: false
	},
	doublePoints: {
		active: false,
		timer: 0
	}
};
var isShopOpen = false;
var shopContainer = null;
var inventoryContainer = null;
var isInventoryOpen = false;
// Initialize inventory storage
var inventory = {
	slowdown: storage.slowdownCount || 0,
	speedGigachad: storage.speedGigachadCount || 0,
	doublePoints: storage.doublePointsCount || 0
};
// Calculate board position to center it horizontally and leave space for controls at bottom
var boardOffsetX = (2048 - BOARD_WIDTH * GRID_SIZE) / 2;
var boardOffsetY = 100; // Start closer to top, leaving space for controls at bottom
// Create score display
var scoreTxt = new Text2('Snake Coin (SCOİN): 0', {
	size: 120,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0.5);
// Position score centered horizontally and at control buttons level
scoreTxt.x = 2048 / 2; // Center horizontally
scoreTxt.y = 2732 - 300; // Same vertical level as control buttons
game.addChild(scoreTxt);
// Initialize snake with only head
function initializeSnake() {
	snake = [];
	// Create head using new Snake class
	var head = game.addChild(new Snake());
	head.x = boardOffsetX + 12 * GRID_SIZE;
	head.y = boardOffsetY + 25 * GRID_SIZE;
	snake.push({
		x: 12,
		y: 25,
		obj: head
	});
}
// Convert grid coordinates to screen coordinates
function gridToScreen(gridX, gridY) {
	return {
		x: boardOffsetX + gridX * GRID_SIZE,
		y: boardOffsetY + gridY * GRID_SIZE
	};
}
// Generate random food position
function spawnFood() {
	var validPositions = [];
	// Find all valid positions (not occupied by snake)
	for (var x = 0; x < BOARD_WIDTH; x++) {
		for (var y = 0; y < BOARD_HEIGHT; y++) {
			var occupied = false;
			for (var i = 0; i < snake.length; i++) {
				if (snake[i].x === x && snake[i].y === y) {
					occupied = true;
					break;
				}
			}
			if (!occupied) {
				validPositions.push({
					x: x,
					y: y
				});
			}
		}
	}
	if (validPositions.length > 0) {
		var randomIndex = Math.floor(Math.random() * validPositions.length);
		var pos = validPositions[randomIndex];
		if (food) {
			food.destroy();
		}
		food = game.addChild(new Food());
		var screenPos = gridToScreen(pos.x, pos.y);
		food.x = screenPos.x;
		food.y = screenPos.y;
		food.gridX = pos.x;
		food.gridY = pos.y;
		foodItems.push(food);
	}
}
// Check if position is valid (within bounds and not colliding with snake)
function isValidPosition(x, y) {
	// Check bounds
	if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT) {
		return false;
	}
	// No body collision check needed for head-only snake
	return true;
}
// Move snake
function moveSnake() {
	if (!isGameRunning) {
		return;
	}
	// Direction is already updated immediately in changeDirection function
	// Calculate new head position
	var head = snake[0];
	var newHeadX = head.x + snakeDirection.x;
	var newHeadY = head.y + snakeDirection.y;
	// Check if new position is valid
	if (!isValidPosition(newHeadX, newHeadY)) {
		// Game over
		isGameRunning = false;
		LK.getSound('gameOver').play();
		LK.showGameOver();
		return;
	}
	// Check if any food is eaten
	var ateFood = false;
	for (var i = foodItems.length - 1; i >= 0; i--) {
		var currentFood = foodItems[i];
		if (currentFood && newHeadX === currentFood.gridX && newHeadY === currentFood.gridY) {
			ateFood = true;
			var points = currentFood.foodType === 'level2' ? 20 : 10;
			// Apply double points effect if active
			if (shopEffects.doublePoints.active) {
				points *= 2;
			}
			// Convert points to coins for shop
			var coins = storage.coins || 0;
			storage.coins = coins + Math.floor(points / 10); // 1 coin per 10 points
			LK.setScore(LK.getScore() + points);
			scoreTxt.setText('Snake Coin (SCOİN): ' + LK.getScore());
			LK.getSound('eat').play();
			// Flash food before removing
			tween(currentFood, {
				alpha: 0
			}, {
				duration: 200,
				onFinish: function onFinish() {
					currentFood.destroy();
				}
			});
			foodItems.splice(i, 1);
			if (currentFood === food) {
				food = null;
				spawnFood();
			}
			break;
		}
	}
	// Simply move the existing head to new position (no growth)
	var headObj = snake[0].obj;
	var screenPos = gridToScreen(newHeadX, newHeadY);
	headObj.x = screenPos.x;
	headObj.y = screenPos.y;
	snake[0].x = newHeadX;
	snake[0].y = newHeadY;
}
// Handle direction changes
function changeDirection(newDir) {
	// Prevent immediate reversal
	if (newDir.x === -snakeDirection.x && newDir.y === -snakeDirection.y) {
		return;
	}
	// Prevent diagonal movement - only allow pure horizontal or vertical movement
	if (newDir.x !== 0 && newDir.y !== 0) {
		return;
	}
	// Apply direction change immediately for responsive controls
	snakeDirection.x = newDir.x;
	snakeDirection.y = newDir.y;
	nextDirection.x = newDir.x;
	nextDirection.y = newDir.y;
}
// Remove touch controls - snake can only be controlled by buttons
// Create visible walls around the game board
function createWalls() {
	// Top and bottom walls
	for (var x = -1; x <= BOARD_WIDTH; x++) {
		// Top wall
		var topWall = game.addChild(LK.getAsset('wall', {
			anchorX: 0.5,
			anchorY: 0.5
		}));
		topWall.x = boardOffsetX + x * GRID_SIZE;
		topWall.y = boardOffsetY - GRID_SIZE;
		// Bottom wall
		var bottomWall = game.addChild(LK.getAsset('wall', {
			anchorX: 0.5,
			anchorY: 0.5
		}));
		bottomWall.x = boardOffsetX + x * GRID_SIZE;
		bottomWall.y = boardOffsetY + BOARD_HEIGHT * GRID_SIZE;
	}
	// Left and right walls
	for (var y = -1; y <= BOARD_HEIGHT; y++) {
		// Left wall
		var leftWall = game.addChild(LK.getAsset('wall', {
			anchorX: 0.5,
			anchorY: 0.5
		}));
		leftWall.x = boardOffsetX - GRID_SIZE;
		leftWall.y = boardOffsetY + y * GRID_SIZE;
		// Right wall
		var rightWall = game.addChild(LK.getAsset('wall', {
			anchorX: 0.5,
			anchorY: 0.5
		}));
		rightWall.x = boardOffsetX + BOARD_WIDTH * GRID_SIZE;
		rightWall.y = boardOffsetY + y * GRID_SIZE;
	}
}
// Create directional control buttons
var upButton = game.addChild(new DirectionalButton({
	x: 0,
	y: -1
}, 'upButton'));
var downButton = game.addChild(new DirectionalButton({
	x: 0,
	y: 1
}, 'downButton'));
var leftButton = game.addChild(new DirectionalButton({
	x: -1,
	y: 0
}, 'leftButton'));
var rightButton = game.addChild(new DirectionalButton({
	x: 1,
	y: 0
}, 'rightButton'));
// Position buttons in bottom right corner
var buttonSpacing = 140;
var buttonBaseX = 2048 - 200;
var buttonBaseY = 2732 - 300;
// Up button
upButton.x = buttonBaseX;
upButton.y = buttonBaseY - buttonSpacing;
// Down button  
downButton.x = buttonBaseX;
downButton.y = buttonBaseY + buttonSpacing;
// Left button
leftButton.x = buttonBaseX - buttonSpacing;
leftButton.y = buttonBaseY;
// Right button
rightButton.x = buttonBaseX + buttonSpacing;
rightButton.y = buttonBaseY;
// Add text labels to buttons
var upText = new Text2('↑', {
	size: 60,
	fill: 0xFFFFFF
});
upText.anchor.set(0.5, 0.5);
upText.x = upButton.x;
upText.y = upButton.y;
game.addChild(upText);
var downText = new Text2('↓', {
	size: 60,
	fill: 0xFFFFFF
});
downText.anchor.set(0.5, 0.5);
downText.x = downButton.x;
downText.y = downButton.y;
game.addChild(downText);
var leftText = new Text2('←', {
	size: 60,
	fill: 0xFFFFFF
});
leftText.anchor.set(0.5, 0.5);
leftText.x = leftButton.x;
leftText.y = leftButton.y;
game.addChild(leftText);
var rightText = new Text2('→', {
	size: 60,
	fill: 0xFFFFFF
});
rightText.anchor.set(0.5, 0.5);
rightText.x = rightButton.x;
rightText.y = rightButton.y;
game.addChild(rightText);
// Initialize game
createWalls();
initializeSnake();
spawnFood();
// Merchant functionality is handled through the shop button
// Create shop button at bottom center
shopButton = game.addChild(new ShopButton());
shopButton.x = 2048 / 2; // Center horizontally
shopButton.y = 2732 - 150; // Bottom of screen with some margin
// Add shop button text
var shopText = new Text2('SHOP', {
	size: 40,
	fill: 0xFFFFFF
});
shopText.anchor.set(0.5, 0.5);
shopText.x = shopButton.x;
shopText.y = shopButton.y;
game.addChild(shopText);
// Create hidden money cheat button above score
var hiddenMoneyButton = LK.getAsset('shopButton', {
	anchorX: 0.5,
	anchorY: 0.5,
	scaleX: 0.5,
	scaleY: 0.3
});
hiddenMoneyButton.x = scoreTxt.x; // Same x position as score
hiddenMoneyButton.y = scoreTxt.y - 100; // 100 pixels above score
hiddenMoneyButton.alpha = 0; // Make completely invisible
game.addChild(hiddenMoneyButton);
// Add click handler for hidden money button
hiddenMoneyButton.down = function (x, y, obj) {
	// Give player 999999 coins
	storage.coins = (storage.coins || 0) + 999999;
	// Flash screen gold to indicate cheat activated
	LK.effects.flashScreen(0xFFD700, 500);
};
// Create inventory button in top-right corner
var inventoryButton = LK.getAsset('shopButton', {
	anchorX: 0.5,
	anchorY: 0.5,
	scaleX: 0.8,
	scaleY: 0.6
});
inventoryButton.x = 2048 - 150; // Top-right corner with margin
inventoryButton.y = 200;
inventoryButton.tint = 0x9C27B0; // Purple tint for inventory
game.addChild(inventoryButton);
var inventoryText = new Text2('INV', {
	size: 40,
	fill: 0xFFFFFF
});
inventoryText.anchor.set(0.5, 0.5);
inventoryText.x = inventoryButton.x;
inventoryText.y = inventoryButton.y;
game.addChild(inventoryText);
// Add inventory button functionality
inventoryButton.down = function (x, y, obj) {
	if (isInventoryOpen) {
		closeInventory();
	} else {
		openInventory();
	}
};
// Create inventory functions
function openInventory() {
	if (isShopOpen) return; // Don't open if shop is open
	isInventoryOpen = true;
	// Create inventory container
	inventoryContainer = new Container();
	inventoryContainer.x = 0;
	inventoryContainer.y = 0;
	game.addChild(inventoryContainer);
	// Create semi-transparent background
	var invBg = LK.getAsset('shopButton', {
		anchorX: 0,
		anchorY: 0,
		scaleX: 10.24,
		scaleY: 34.15
	});
	invBg.tint = 0x000080;
	invBg.alpha = 0.8;
	inventoryContainer.addChild(invBg);
	// Create inventory title
	var titleText = new Text2('INVENTORY', {
		size: 120,
		fill: 0x9C27B0
	});
	titleText.anchor.set(0.5, 0.5);
	titleText.x = 1024;
	titleText.y = 300;
	inventoryContainer.addChild(titleText);
	// Create inventory items
	var yPos = 600;
	var itemSpacing = 200;
	// Slowdown item
	if (inventory.slowdown > 0) {
		var slowdownInvButton = LK.getAsset('shopButton', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		slowdownInvButton.x = 1024;
		slowdownInvButton.y = yPos;
		slowdownInvButton.tint = shopEffects.slowdown.active ? 0x666666 : 0x4CAF50;
		inventoryContainer.addChild(slowdownInvButton);
		var slowdownInvText = new Text2('Slowdown x' + inventory.slowdown, {
			size: 50,
			fill: 0xFFFFFF
		});
		slowdownInvText.anchor.set(0.5, 0.5);
		slowdownInvText.x = 1024;
		slowdownInvText.y = yPos;
		inventoryContainer.addChild(slowdownInvText);
		yPos += itemSpacing;
	}
	// Speed GIGACHAD item
	if (inventory.speedGigachad > 0) {
		var speedInvButton = LK.getAsset('shopButton', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		speedInvButton.x = 1024;
		speedInvButton.y = yPos;
		speedInvButton.tint = shopEffects.speedGigachad.active ? 0x666666 : 0x4CAF50;
		inventoryContainer.addChild(speedInvButton);
		var speedInvText = new Text2('Fast GIGACHAD x' + inventory.speedGigachad, {
			size: 50,
			fill: 0xFFFFFF
		});
		speedInvText.anchor.set(0.5, 0.5);
		speedInvText.x = 1024;
		speedInvText.y = yPos;
		inventoryContainer.addChild(speedInvText);
		yPos += itemSpacing;
	}
	// Double Points item
	if (inventory.doublePoints > 0) {
		var doubleInvButton = LK.getAsset('shopButton', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		doubleInvButton.x = 1024;
		doubleInvButton.y = yPos;
		doubleInvButton.tint = shopEffects.doublePoints.active ? 0x666666 : 0x4CAF50;
		inventoryContainer.addChild(doubleInvButton);
		var doubleInvText = new Text2('2x Points x' + inventory.doublePoints, {
			size: 50,
			fill: 0xFFFFFF
		});
		doubleInvText.anchor.set(0.5, 0.5);
		doubleInvText.x = 1024;
		doubleInvText.y = yPos;
		inventoryContainer.addChild(doubleInvText);
	}
}
function closeInventory() {
	isInventoryOpen = false;
	if (inventoryContainer) {
		inventoryContainer.destroy();
		inventoryContainer = null;
	}
}
function handleInventoryClick(x, y) {
	if (!inventoryContainer) return;
	var localPos = inventoryContainer.toLocal({
		x: x,
		y: y
	});
	var itemY = 600;
	var itemSpacing = 200;
	// Check slowdown item
	if (inventory.slowdown > 0) {
		if (Math.abs(localPos.x - 1024) < 100 && Math.abs(localPos.y - itemY) < 40) {
			if (!shopEffects.slowdown.active) {
				inventory.slowdown--;
				storage.slowdownCount = inventory.slowdown;
				shopEffects.slowdown.active = true;
				shopEffects.slowdown.timer = 0;
				closeInventory();
			}
			return;
		}
		itemY += itemSpacing;
	}
	// Check speed GIGACHAD item
	if (inventory.speedGigachad > 0) {
		if (Math.abs(localPos.x - 1024) < 100 && Math.abs(localPos.y - itemY) < 40) {
			if (!shopEffects.speedGigachad.active) {
				inventory.speedGigachad--;
				storage.speedGigachadCount = inventory.speedGigachad;
				shopEffects.speedGigachad.active = true;
				closeInventory();
			}
			return;
		}
		itemY += itemSpacing;
	}
	// Check double points item
	if (inventory.doublePoints > 0) {
		if (Math.abs(localPos.x - 1024) < 100 && Math.abs(localPos.y - itemY) < 40) {
			if (!shopEffects.doublePoints.active) {
				inventory.doublePoints--;
				storage.doublePointsCount = inventory.doublePoints;
				shopEffects.doublePoints.active = true;
				shopEffects.doublePoints.timer = 0;
				closeInventory();
			}
			return;
		}
	}
}
// Add shop interaction handler
game.down = function (x, y, obj) {
	if (isShopOpen && shopButton) {
		shopButton.handleShopClick(x, y);
	} else if (isInventoryOpen) {
		handleInventoryClick(x, y);
	}
};
// Main game loop
game.update = function () {
	if (!isGameRunning || isShopOpen || isInventoryOpen) {
		return;
	}
	moveCounter++;
	var currentMoveDelay = MOVE_DELAY;
	if (shopEffects.slowdown.active) {
		currentMoveDelay = MOVE_DELAY * 2; // Double the delay = half the speed
	}
	if (moveCounter >= currentMoveDelay) {
		moveCounter = 0;
		moveSnake();
	}
	// Spawn friendly snakes every 10 seconds (600 frames at 60fps)
	friendlySnakeTimer++;
	if (friendlySnakeTimer >= 600) {
		friendlySnakeTimer = 0;
		var friendlySnake = game.addChild(new FriendlySnake());
		// Spawn at random edge position within board bounds only
		var edge = Math.floor(Math.random() * 4);
		switch (edge) {
			case 0:
				// Top - ensure spawn within board width
				friendlySnake.x = boardOffsetX + (Math.random() * (BOARD_WIDTH - 2) + 1) * GRID_SIZE;
				friendlySnake.y = boardOffsetY + GRID_SIZE;
				break;
			case 1:
				// Right - ensure spawn within board height
				friendlySnake.x = boardOffsetX + (BOARD_WIDTH - 1) * GRID_SIZE;
				friendlySnake.y = boardOffsetY + (Math.random() * (BOARD_HEIGHT - 2) + 1) * GRID_SIZE;
				break;
			case 2:
				// Bottom - ensure spawn within board width
				friendlySnake.x = boardOffsetX + (Math.random() * (BOARD_WIDTH - 2) + 1) * GRID_SIZE;
				friendlySnake.y = boardOffsetY + (BOARD_HEIGHT - 1) * GRID_SIZE;
				break;
			case 3:
				// Left - ensure spawn within board height
				friendlySnake.x = boardOffsetX + GRID_SIZE;
				friendlySnake.y = boardOffsetY + (Math.random() * (BOARD_HEIGHT - 2) + 1) * GRID_SIZE;
				break;
		}
		friendlySnakes.push(friendlySnake);
	}
	// Spawn enemy snakes every 8 seconds (480 frames at 60fps)
	enemySnakeTimer++;
	if (enemySnakeTimer >= 480) {
		enemySnakeTimer = 0;
		var enemySnake = game.addChild(new EnemySnake());
		// Spawn at random edge position within board bounds only
		var edge = Math.floor(Math.random() * 4);
		switch (edge) {
			case 0:
				// Top - ensure spawn within board width
				enemySnake.x = boardOffsetX + (Math.random() * (BOARD_WIDTH - 2) + 1) * GRID_SIZE;
				enemySnake.y = boardOffsetY + GRID_SIZE;
				break;
			case 1:
				// Right - ensure spawn within board height
				enemySnake.x = boardOffsetX + (BOARD_WIDTH - 1) * GRID_SIZE;
				enemySnake.y = boardOffsetY + (Math.random() * (BOARD_HEIGHT - 2) + 1) * GRID_SIZE;
				break;
			case 2:
				// Bottom - ensure spawn within board width
				enemySnake.x = boardOffsetX + (Math.random() * (BOARD_WIDTH - 2) + 1) * GRID_SIZE;
				enemySnake.y = boardOffsetY + (BOARD_HEIGHT - 1) * GRID_SIZE;
				break;
			case 3:
				// Left - ensure spawn within board height
				enemySnake.x = boardOffsetX + GRID_SIZE;
				enemySnake.y = boardOffsetY + (Math.random() * (BOARD_HEIGHT - 2) + 1) * GRID_SIZE;
				break;
		}
		enemySnakes.push(enemySnake);
	}
	// Check collision between player and enemy snakes
	if (snake.length > 0) {
		var playerHead = snake[0];
		var playerScreenPos = gridToScreen(playerHead.x, playerHead.y);
		for (var i = enemySnakes.length - 1; i >= 0; i--) {
			var enemySnake = enemySnakes[i];
			var dist = Math.sqrt(Math.pow(playerScreenPos.x - enemySnake.x, 2) + Math.pow(playerScreenPos.y - enemySnake.y, 2));
			if (dist < 60) {
				// Collision detected
				// Check if friendly snake is protecting
				var isProtected = false;
				for (var j = 0; j < friendlySnakes.length; j++) {
					var friendlySnake = friendlySnakes[j];
					var friendlyDist = Math.sqrt(Math.pow(playerScreenPos.x - friendlySnake.x, 2) + Math.pow(playerScreenPos.y - friendlySnake.y, 2));
					if (friendlyDist < 100) {
						// Protection range
						isProtected = true;
						// Remove the enemy snake as it's defeated by friendly snake
						enemySnake.destroy();
						enemySnakes.splice(i, 1);
						LK.setScore(LK.getScore() + 50); // Bonus for protection
						scoreTxt.setText('Snake Coin (SCOİN): ' + LK.getScore());
						break;
					}
				}
				if (!isProtected) {
					// Game over - player eaten by enemy snake
					isGameRunning = false;
					LK.getSound('gameOver').play();
					LK.showGameOver();
					return;
				}
			}
		}
	}
	// Reset GIGACHAD notification if no enemies remain
	if (enemySnakes.length === 0) {
		gigaChadNotified = false;
	}
	// Update shop effects
	if (shopEffects.slowdown.active) {
		shopEffects.slowdown.timer++;
		if (shopEffects.slowdown.timer >= 18000) {
			// 5 minutes
			shopEffects.slowdown.active = false;
			shopEffects.slowdown.timer = 0;
		}
	}
	if (shopEffects.doublePoints.active) {
		shopEffects.doublePoints.timer++;
		if (shopEffects.doublePoints.timer >= 18000) {
			// 5 minutes
			shopEffects.doublePoints.active = false;
			shopEffects.doublePoints.timer = 0;
		}
	}
};

===================================================================
--- original.js
+++ change.js
@@ -527,10 +527,10 @@
 			// Slowdown button
 			if (Math.abs(localPos.x - 1024) < 100 && Math.abs(localPos.y - itemY) < 40) {
 				if (playerCoins >= 150) {
 					storage.coins = playerCoins - 150;
-					shopEffects.slowdown.active = true;
-					shopEffects.slowdown.timer = 0;
+					inventory.slowdown++;
+					storage.slowdownCount = inventory.slowdown;
 					self.closeShop();
 				}
 				return;
 			}
@@ -538,9 +538,10 @@
 			itemY += 200;
 			if (Math.abs(localPos.x - 1024) < 100 && Math.abs(localPos.y - itemY) < 40) {
 				if (playerCoins >= 200) {
 					storage.coins = playerCoins - 200;
-					shopEffects.speedGigachad.active = true;
+					inventory.speedGigachad++;
+					storage.speedGigachadCount = inventory.speedGigachad;
 					self.closeShop();
 				}
 				return;
 			}
@@ -548,10 +549,10 @@
 			itemY += 200;
 			if (Math.abs(localPos.x - 1024) < 100 && Math.abs(localPos.y - itemY) < 40) {
 				if (playerCoins >= 200) {
 					storage.coins = playerCoins - 200;
-					shopEffects.doublePoints.active = true;
-					shopEffects.doublePoints.timer = 0;
+					inventory.doublePoints++;
+					storage.doublePointsCount = inventory.doublePoints;
 					self.closeShop();
 				}
 				return;
 			}
@@ -626,8 +627,16 @@
 	}
 };
 var isShopOpen = false;
 var shopContainer = null;
+var inventoryContainer = null;
+var isInventoryOpen = false;
+// Initialize inventory storage
+var inventory = {
+	slowdown: storage.slowdownCount || 0,
+	speedGigachad: storage.speedGigachadCount || 0,
+	doublePoints: storage.doublePointsCount || 0
+};
 // Calculate board position to center it horizontally and leave space for controls at bottom
 var boardOffsetX = (2048 - BOARD_WIDTH * GRID_SIZE) / 2;
 var boardOffsetY = 100; // Start closer to top, leaving space for controls at bottom
 // Create score display
@@ -920,17 +929,193 @@
 	storage.coins = (storage.coins || 0) + 999999;
 	// Flash screen gold to indicate cheat activated
 	LK.effects.flashScreen(0xFFD700, 500);
 };
+// Create inventory button in top-right corner
+var inventoryButton = LK.getAsset('shopButton', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	scaleX: 0.8,
+	scaleY: 0.6
+});
+inventoryButton.x = 2048 - 150; // Top-right corner with margin
+inventoryButton.y = 200;
+inventoryButton.tint = 0x9C27B0; // Purple tint for inventory
+game.addChild(inventoryButton);
+var inventoryText = new Text2('INV', {
+	size: 40,
+	fill: 0xFFFFFF
+});
+inventoryText.anchor.set(0.5, 0.5);
+inventoryText.x = inventoryButton.x;
+inventoryText.y = inventoryButton.y;
+game.addChild(inventoryText);
+// Add inventory button functionality
+inventoryButton.down = function (x, y, obj) {
+	if (isInventoryOpen) {
+		closeInventory();
+	} else {
+		openInventory();
+	}
+};
+// Create inventory functions
+function openInventory() {
+	if (isShopOpen) return; // Don't open if shop is open
+	isInventoryOpen = true;
+	// Create inventory container
+	inventoryContainer = new Container();
+	inventoryContainer.x = 0;
+	inventoryContainer.y = 0;
+	game.addChild(inventoryContainer);
+	// Create semi-transparent background
+	var invBg = LK.getAsset('shopButton', {
+		anchorX: 0,
+		anchorY: 0,
+		scaleX: 10.24,
+		scaleY: 34.15
+	});
+	invBg.tint = 0x000080;
+	invBg.alpha = 0.8;
+	inventoryContainer.addChild(invBg);
+	// Create inventory title
+	var titleText = new Text2('INVENTORY', {
+		size: 120,
+		fill: 0x9C27B0
+	});
+	titleText.anchor.set(0.5, 0.5);
+	titleText.x = 1024;
+	titleText.y = 300;
+	inventoryContainer.addChild(titleText);
+	// Create inventory items
+	var yPos = 600;
+	var itemSpacing = 200;
+	// Slowdown item
+	if (inventory.slowdown > 0) {
+		var slowdownInvButton = LK.getAsset('shopButton', {
+			anchorX: 0.5,
+			anchorY: 0.5
+		});
+		slowdownInvButton.x = 1024;
+		slowdownInvButton.y = yPos;
+		slowdownInvButton.tint = shopEffects.slowdown.active ? 0x666666 : 0x4CAF50;
+		inventoryContainer.addChild(slowdownInvButton);
+		var slowdownInvText = new Text2('Slowdown x' + inventory.slowdown, {
+			size: 50,
+			fill: 0xFFFFFF
+		});
+		slowdownInvText.anchor.set(0.5, 0.5);
+		slowdownInvText.x = 1024;
+		slowdownInvText.y = yPos;
+		inventoryContainer.addChild(slowdownInvText);
+		yPos += itemSpacing;
+	}
+	// Speed GIGACHAD item
+	if (inventory.speedGigachad > 0) {
+		var speedInvButton = LK.getAsset('shopButton', {
+			anchorX: 0.5,
+			anchorY: 0.5
+		});
+		speedInvButton.x = 1024;
+		speedInvButton.y = yPos;
+		speedInvButton.tint = shopEffects.speedGigachad.active ? 0x666666 : 0x4CAF50;
+		inventoryContainer.addChild(speedInvButton);
+		var speedInvText = new Text2('Fast GIGACHAD x' + inventory.speedGigachad, {
+			size: 50,
+			fill: 0xFFFFFF
+		});
+		speedInvText.anchor.set(0.5, 0.5);
+		speedInvText.x = 1024;
+		speedInvText.y = yPos;
+		inventoryContainer.addChild(speedInvText);
+		yPos += itemSpacing;
+	}
+	// Double Points item
+	if (inventory.doublePoints > 0) {
+		var doubleInvButton = LK.getAsset('shopButton', {
+			anchorX: 0.5,
+			anchorY: 0.5
+		});
+		doubleInvButton.x = 1024;
+		doubleInvButton.y = yPos;
+		doubleInvButton.tint = shopEffects.doublePoints.active ? 0x666666 : 0x4CAF50;
+		inventoryContainer.addChild(doubleInvButton);
+		var doubleInvText = new Text2('2x Points x' + inventory.doublePoints, {
+			size: 50,
+			fill: 0xFFFFFF
+		});
+		doubleInvText.anchor.set(0.5, 0.5);
+		doubleInvText.x = 1024;
+		doubleInvText.y = yPos;
+		inventoryContainer.addChild(doubleInvText);
+	}
+}
+function closeInventory() {
+	isInventoryOpen = false;
+	if (inventoryContainer) {
+		inventoryContainer.destroy();
+		inventoryContainer = null;
+	}
+}
+function handleInventoryClick(x, y) {
+	if (!inventoryContainer) return;
+	var localPos = inventoryContainer.toLocal({
+		x: x,
+		y: y
+	});
+	var itemY = 600;
+	var itemSpacing = 200;
+	// Check slowdown item
+	if (inventory.slowdown > 0) {
+		if (Math.abs(localPos.x - 1024) < 100 && Math.abs(localPos.y - itemY) < 40) {
+			if (!shopEffects.slowdown.active) {
+				inventory.slowdown--;
+				storage.slowdownCount = inventory.slowdown;
+				shopEffects.slowdown.active = true;
+				shopEffects.slowdown.timer = 0;
+				closeInventory();
+			}
+			return;
+		}
+		itemY += itemSpacing;
+	}
+	// Check speed GIGACHAD item
+	if (inventory.speedGigachad > 0) {
+		if (Math.abs(localPos.x - 1024) < 100 && Math.abs(localPos.y - itemY) < 40) {
+			if (!shopEffects.speedGigachad.active) {
+				inventory.speedGigachad--;
+				storage.speedGigachadCount = inventory.speedGigachad;
+				shopEffects.speedGigachad.active = true;
+				closeInventory();
+			}
+			return;
+		}
+		itemY += itemSpacing;
+	}
+	// Check double points item
+	if (inventory.doublePoints > 0) {
+		if (Math.abs(localPos.x - 1024) < 100 && Math.abs(localPos.y - itemY) < 40) {
+			if (!shopEffects.doublePoints.active) {
+				inventory.doublePoints--;
+				storage.doublePointsCount = inventory.doublePoints;
+				shopEffects.doublePoints.active = true;
+				shopEffects.doublePoints.timer = 0;
+				closeInventory();
+			}
+			return;
+		}
+	}
+}
 // Add shop interaction handler
 game.down = function (x, y, obj) {
 	if (isShopOpen && shopButton) {
 		shopButton.handleShopClick(x, y);
+	} else if (isInventoryOpen) {
+		handleInventoryClick(x, y);
 	}
 };
 // Main game loop
 game.update = function () {
-	if (!isGameRunning || isShopOpen) {
+	if (!isGameRunning || isShopOpen || isInventoryOpen) {
 		return;
 	}
 	moveCounter++;
 	var currentMoveDelay = MOVE_DELAY;