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

/**** 
* Classes
****/ 
var HealthItem = Container.expand(function () {
	var self = Container.call(this);
	var heartGraphics = self.attachAsset('heart', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.collected = false;
	self.healAmount = 25;
	self.collect = function () {
		if (self.collected) return;
		self.collected = true;
		LK.getSound('collect').play();
		player.heal(self.healAmount);
		// Remove from healthItems array
		for (var i = healthItems.length - 1; i >= 0; i--) {
			if (healthItems[i] === self) {
				healthItems.splice(i, 1);
				break;
			}
		}
		game.removeChild(self);
	};
	return self;
});
var Ladder = Container.expand(function () {
	var self = Container.call(this);
	var ladderGraphics = self.attachAsset('ladder', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.used = false;
	self.use = function () {
		if (self.used) return;
		self.used = true;
		currentFloor++;
		generateFloor();
	};
	return self;
});
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.maxHealth = 100;
	self.health = self.maxHealth;
	self.speed = 3;
	self.attackRange = 80;
	self.attackDamage = 25;
	self.lastAttackTime = 0;
	self.attackCooldown = 500;
	self.takeDamage = function (damage) {
		self.health -= damage;
		if (self.health <= 0) {
			self.health = 0;
			LK.showGameOver();
		}
		LK.effects.flashObject(self, 0xFF0000, 300);
		LK.getSound('hurt').play();
	};
	self.heal = function (amount) {
		self.health = Math.min(self.maxHealth, self.health + amount);
	};
	self.canAttack = function () {
		return LK.ticks - self.lastAttackTime > self.attackCooldown;
	};
	self.canMoveTo = function (x, y) {
		return !checkCollisionWithWalls(x, y, 32);
	};
	self.attack = function () {
		if (!self.canAttack()) return;
		self.lastAttackTime = LK.ticks;
		LK.getSound('attack').play();
		// Check for slimes in attack range with line of sight
		for (var i = 0; i < slimes.length; i++) {
			var slime = slimes[i];
			var dx = slime.x - self.x;
			var dy = slime.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance <= self.attackRange && hasLineOfSight(self.x, self.y, slime.x, slime.y)) {
				slime.takeDamage(self.attackDamage);
			}
		}
		// Check for rocks in attack range with line of sight
		for (var i = 0; i < rocks.length; i++) {
			var rock = rocks[i];
			var dx = rock.x - self.x;
			var dy = rock.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance <= self.attackRange && hasLineOfSight(self.x, self.y, rock.x, rock.y)) {
				rock.hit();
			}
		}
	};
	return self;
});
var Resource = Container.expand(function (type) {
	var self = Container.call(this);
	self.type = type;
	self.collected = false;
	var resourceGraphics = self.attachAsset(type, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.collect = function () {
		if (self.collected) return;
		self.collected = true;
		LK.getSound('collect').play();
		// Update inventory
		if (!inventory[self.type]) {
			inventory[self.type] = 0;
		}
		inventory[self.type]++;
		// Remove from resources array
		for (var i = resources.length - 1; i >= 0; i--) {
			if (resources[i] === self) {
				resources.splice(i, 1);
				break;
			}
		}
		game.removeChild(self);
	};
	return self;
});
var Rock = Container.expand(function (rockType) {
	var self = Container.call(this);
	self.rockType = rockType || 'rock';
	var rockGraphics = self.attachAsset(self.rockType, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.maxHealth = 3;
	self.health = self.maxHealth;
	self.destroyed = false;
	self.hit = function () {
		if (self.destroyed) return;
		self.health--;
		LK.getSound('mine_hit').play();
		LK.effects.flashObject(self, 0xFFFFFF, 200);
		if (self.health <= 0) {
			self.destroy();
		}
	};
	self.destroy = function () {
		if (self.destroyed) return;
		self.destroyed = true;
		// Drop resources based on rock type
		var resource;
		if (self.rockType === 'coal') {
			resource = new Resource('coal');
		} else if (self.rockType === 'copper_ore') {
			resource = new Resource('copper_ore');
		} else if (self.rockType === 'iron_ore') {
			resource = new Resource('iron_ore');
		} else if (self.rockType === 'gold_ore') {
			resource = new Resource('gold_ore');
		} else if (self.rockType === 'gem') {
			resource = new Resource('gem');
		} else {
			// Regular rock always drops a rock resource
			resource = new Resource('rock');
		}
		if (resource) {
			resource.x = self.x;
			resource.y = self.y;
			resources.push(resource);
			game.addChild(resource);
		}
		// Chance to spawn ladder if it doesn't exist yet
		if (!ladder && Math.random() < 0.15) {
			ladder = new Ladder();
			ladder.x = self.x;
			ladder.y = self.y;
			game.addChild(ladder);
		}
		// Remove from rocks array
		for (var i = rocks.length - 1; i >= 0; i--) {
			if (rocks[i] === self) {
				rocks.splice(i, 1);
				break;
			}
		}
		game.removeChild(self);
	};
	return self;
});
var Slime = Container.expand(function () {
	var self = Container.call(this);
	var slimeGraphics = self.attachAsset('slime', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.maxHealth = 50;
	self.health = self.maxHealth;
	self.speed = 1;
	self.attackDamage = 15;
	self.lastAttackTime = 0;
	self.attackCooldown = 1000;
	self.attackRange = 50;
	self.destroyed = false;
	self.takeDamage = function (damage) {
		if (self.destroyed) return;
		self.health -= damage;
		LK.effects.flashObject(self, 0xFF0000, 200);
		if (self.health <= 0) {
			self.destroy();
		}
	};
	self.destroy = function () {
		if (self.destroyed) return;
		self.destroyed = true;
		// Drop heart sometimes
		if (Math.random() < 0.3) {
			var heart = new HealthItem();
			heart.x = self.x;
			heart.y = self.y;
			healthItems.push(heart);
			game.addChild(heart);
		}
		// Remove from slimes array
		for (var i = slimes.length - 1; i >= 0; i--) {
			if (slimes[i] === self) {
				slimes.splice(i, 1);
				break;
			}
		}
		// Increase score
		LK.setScore(LK.getScore() + 10);
		game.removeChild(self);
	};
	self.update = function () {
		if (self.destroyed) return;
		// Check if player is visible (line of sight)
		var dx = player.x - self.x;
		var dy = player.y - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (hasLineOfSight(self.x, self.y, player.x, player.y) && distance < 300) {
			// Move towards player if visible and within detection range
			if (distance > 0) {
				var moveX = dx / distance * self.speed;
				var moveY = dy / distance * self.speed;
				var newX = self.x + moveX;
				var newY = self.y + moveY;
				// Check collision before moving
				if (!checkCollisionWithWalls(newX, newY, 20)) {
					self.x = newX;
					self.y = newY;
				}
			}
			// Attack player if in range and visible
			if (distance <= self.attackRange && LK.ticks - self.lastAttackTime > self.attackCooldown) {
				self.lastAttackTime = LK.ticks;
				player.takeDamage(self.attackDamage);
			}
		}
	};
	return self;
});
var Wall = Container.expand(function () {
	var self = Container.call(this);
	var wallGraphics = self.attachAsset('wall', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x2F1B14
});

/**** 
* Game Code
****/ 
var player;
var rocks = [];
var slimes = [];
var resources = [];
var healthItems = [];
var ladder;
var inventory = {};
var currentFloor = 1;
var walls = [];
function checkCollisionWithWalls(x, y, radius) {
	for (var i = 0; i < walls.length; i++) {
		var wall = walls[i];
		var dx = Math.abs(x - wall.x);
		var dy = Math.abs(y - wall.y);
		if (dx < 32 + radius && dy < 32 + radius) {
			return true;
		}
	}
	return false;
}
function hasLineOfSight(x1, y1, x2, y2) {
	var dx = x2 - x1;
	var dy = y2 - y1;
	var distance = Math.sqrt(dx * dx + dy * dy);
	var steps = Math.floor(distance / 16);
	for (var i = 0; i <= steps; i++) {
		var checkX = x1 + dx * i / steps;
		var checkY = y1 + dy * i / steps;
		if (checkCollisionWithWalls(checkX, checkY, 8)) {
			return false;
		}
	}
	return true;
}
// UI Elements
var healthBar;
var floorText;
var inventoryText;
function initializeGame() {
	player = game.addChild(new Player());
	player.x = 1024;
	player.y = 1366;
	// Create UI
	healthBar = new Text2('Health: 100/100', {
		size: 40,
		fill: 0xFF0000
	});
	healthBar.anchor.set(0, 0);
	LK.gui.topLeft.addChild(healthBar);
	healthBar.x = 120;
	healthBar.y = 20;
	floorText = new Text2('Floor: 1', {
		size: 40,
		fill: 0xFFFFFF
	});
	floorText.anchor.set(0.5, 0);
	LK.gui.top.addChild(floorText);
	floorText.y = 20;
	inventoryText = new Text2('', {
		size: 30,
		fill: 0xFFFF00
	});
	inventoryText.anchor.set(1, 0);
	LK.gui.topRight.addChild(inventoryText);
	inventoryText.x = -20;
	inventoryText.y = 20;
	generateFloor();
}
function generateFloor() {
	// Clear existing objects
	clearFloor();
	// Generate perimeter walls
	for (var x = 0; x < 2048; x += 64) {
		var topWall = new Wall();
		topWall.x = x + 32;
		topWall.y = 132;
		walls.push(topWall);
		game.addChild(topWall);
		var bottomWall = new Wall();
		bottomWall.x = x + 32;
		bottomWall.y = 2700;
		walls.push(bottomWall);
		game.addChild(bottomWall);
	}
	for (var y = 132; y < 2700; y += 64) {
		var leftWall = new Wall();
		leftWall.x = 32;
		leftWall.y = y + 32;
		walls.push(leftWall);
		game.addChild(leftWall);
		var rightWall = new Wall();
		rightWall.x = 2016;
		rightWall.y = y + 32;
		walls.push(rightWall);
		game.addChild(rightWall);
	}
	// Generate structured maze with corridors and chambers
	generateMazeStructure();
	// Generate rocks with different types based on floor, placed in accessible areas
	var numRocks = 15 + Math.floor(currentFloor * 2);
	for (var i = 0; i < numRocks; i++) {
		var rockType = 'rock'; // Default rock type
		var rand = Math.random();
		// Higher floors have better chances for rare materials
		var floorMultiplier = Math.min(currentFloor / 10, 1); // Cap at floor 10
		if (rand < 0.3) {
			rockType = 'coal'; // Common on all floors
		} else if (rand < 0.3 + 0.2 * floorMultiplier) {
			rockType = 'copper_ore'; // More common on higher floors
		} else if (rand < 0.3 + 0.2 * floorMultiplier + 0.15 * floorMultiplier) {
			rockType = 'iron_ore'; // Rare, more common on higher floors
		} else if (rand < 0.3 + 0.2 * floorMultiplier + 0.15 * floorMultiplier + 0.1 * floorMultiplier) {
			rockType = 'gold_ore'; // Very rare, much more common on higher floors
		} else if (rand < 0.3 + 0.2 * floorMultiplier + 0.15 * floorMultiplier + 0.1 * floorMultiplier + 0.05 * floorMultiplier) {
			rockType = 'gem'; // Extremely rare, only on higher floors
		}
		var rock = new Rock(rockType);
		var attempts = 0;
		do {
			rock.x = 200 + Math.random() * 1648;
			rock.y = 300 + Math.random() * 2132;
			attempts++;
		} while (checkCollisionWithWalls(rock.x, rock.y, 32) && attempts < 50);
		// If we couldn't find a good spot after 50 attempts, place it in a corridor
		if (attempts >= 50) {
			rock.x = 400 + Math.random() * 1200;
			rock.y = 400 + Math.random() * 1800;
		}
		rocks.push(rock);
		game.addChild(rock);
	}
	// Generate slimes in accessible areas
	var numSlimes = 3 + Math.floor(currentFloor * 1.5);
	for (var i = 0; i < numSlimes; i++) {
		var slime = new Slime();
		var attempts = 0;
		do {
			slime.x = 200 + Math.random() * 1648;
			slime.y = 300 + Math.random() * 2132;
			attempts++;
		} while (checkCollisionWithWalls(slime.x, slime.y, 32) && attempts < 50);
		// If we couldn't find a good spot after 50 attempts, place it in a corridor
		if (attempts >= 50) {
			slime.x = 400 + Math.random() * 1200;
			slime.y = 400 + Math.random() * 1800;
		}
		slime.maxHealth += Math.floor(currentFloor * 10);
		slime.health = slime.maxHealth;
		slimes.push(slime);
		game.addChild(slime);
	}
	// Ladder will be generated when mining rocks
	ladder = null;
	// Update floor text
	floorText.setText('Floor: ' + currentFloor);
}
function clearFloor() {
	// Remove all walls
	for (var i = 0; i < walls.length; i++) {
		game.removeChild(walls[i]);
	}
	walls = [];
	// Remove all rocks
	for (var i = 0; i < rocks.length; i++) {
		game.removeChild(rocks[i]);
	}
	rocks = [];
	// Remove all slimes
	for (var i = 0; i < slimes.length; i++) {
		game.removeChild(slimes[i]);
	}
	slimes = [];
	// Remove all resources
	for (var i = 0; i < resources.length; i++) {
		game.removeChild(resources[i]);
	}
	resources = [];
	// Remove all health items
	for (var i = 0; i < healthItems.length; i++) {
		game.removeChild(healthItems[i]);
	}
	healthItems = [];
	// Remove ladder
	if (ladder) {
		game.removeChild(ladder);
		ladder = null;
	}
}
function updateUI() {
	// Update health bar
	healthBar.setText('Health: ' + player.health + '/' + player.maxHealth);
	// Update inventory display
	var inventoryStr = '';
	for (var item in inventory) {
		if (inventory[item] > 0) {
			inventoryStr += item.replace('_', ' ') + ': ' + inventory[item] + '\n';
		}
	}
	inventoryText.setText(inventoryStr);
}
// Keyboard input state
var keys = {
	w: false,
	a: false,
	s: false,
	d: false,
	space: false
};
// Keyboard event handlers
function handleKeyDown(event) {
	var key = event.key.toLowerCase();
	if (keys.hasOwnProperty(key)) {
		keys[key] = true;
	}
}
function handleKeyUp(event) {
	var key = event.key.toLowerCase();
	if (keys.hasOwnProperty(key)) {
		keys[key] = false;
	}
}
// Keyboard event listeners are handled through LK engine events
LK.on('keydown', handleKeyDown);
LK.on('keyup', handleKeyUp);
// Handle player movement based on keyboard input
function handlePlayerMovement() {
	if (!player) return;
	var moveSpeed = player.speed;
	var newX = player.x;
	var newY = player.y;
	var moved = false;
	// Handle WASD movement
	if (keys.w) {
		newY -= moveSpeed;
		moved = true;
	}
	if (keys.s) {
		newY += moveSpeed;
		moved = true;
	}
	if (keys.a) {
		newX -= moveSpeed;
		moved = true;
	}
	if (keys.d) {
		newX += moveSpeed;
		moved = true;
	}
	if (moved) {
		// Keep player within bounds
		newX = Math.max(64, Math.min(1984, newX));
		newY = Math.max(164, Math.min(2668, newY));
		// Check collision with walls
		if (!checkCollisionWithWalls(newX, newY, 32)) {
			player.x = newX;
			player.y = newY;
		}
	}
}
// Handle spacebar interaction with objects/enemies
function handleSpacebarInteraction() {
	if (!keys.space) return;
	// Reset space key to prevent continuous triggering
	keys.space = false;
	// Check for slimes to interact with
	for (var i = 0; i < slimes.length; i++) {
		var slime = slimes[i];
		var dx = slime.x - player.x;
		var dy = slime.y - player.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < 50) {
			// Player is close to slime, attack it
			player.attack();
			return;
		}
	}
	// Check for rocks to interact with
	for (var i = 0; i < rocks.length; i++) {
		var rock = rocks[i];
		var dx = rock.x - player.x;
		var dy = rock.y - player.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < 50) {
			// Player is close to rock, mine it
			rock.hit();
			return;
		}
	}
	// Check for ladder to interact with
	if (ladder && !ladder.used) {
		var dx = ladder.x - player.x;
		var dy = ladder.y - player.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < 50) {
			ladder.use();
			return;
		}
	}
}
game.move = function (x, y, obj) {
	// Keep empty or add touch/mouse support if needed
};
game.down = function (x, y, obj) {
	// Keep empty or add touch/mouse support if needed
};
game.up = function (x, y, obj) {
	// Keep empty or add touch/mouse support if needed
};
game.update = function () {
	if (!player) return;
	// Handle keyboard movement
	handlePlayerMovement();
	// Handle spacebar interaction
	handleSpacebarInteraction();
	// Update slimes
	for (var i = 0; i < slimes.length; i++) {
		slimes[i].update();
	}
	// Check resource collection (automatic when player is close)
	for (var i = resources.length - 1; i >= 0; i--) {
		var resource = resources[i];
		var dx = resource.x - player.x;
		var dy = resource.y - player.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < 40) {
			resource.collect();
		}
	}
	// Check health item collection (automatic when player is close)
	for (var i = healthItems.length - 1; i >= 0; i--) {
		var healthItem = healthItems[i];
		var dx = healthItem.x - player.x;
		var dy = healthItem.y - player.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < 40) {
			healthItem.collect();
		}
	}
	// Update UI
	updateUI();
};
// Initialize the game
initializeGame();
function generateMazeStructure() {
	// Create grid for maze generation (30x38 cells, each cell is 64x64 pixels)
	var gridWidth = 30;
	var gridHeight = 38;
	var cellSize = 64;
	var startX = 96;
	var startY = 196;
	// Create a grid to track where corridors are
	var corridorGrid = [];
	for (var x = 0; x < gridWidth; x++) {
		corridorGrid[x] = [];
		for (var y = 0; y < gridHeight; y++) {
			corridorGrid[x][y] = false;
		}
	}
	// Create main vertical shaft down the center
	var centerX = Math.floor(gridWidth / 2);
	for (var y = 2; y < gridHeight - 2; y++) {
		corridorGrid[centerX][y] = true;
		// Make shaft wider (3 tiles wide)
		if (centerX - 1 >= 0) corridorGrid[centerX - 1][y] = true;
		if (centerX + 1 < gridWidth) corridorGrid[centerX + 1][y] = true;
	}
	// Create main horizontal corridors branching from the shaft
	var numMainBranches = 3 + Math.floor(currentFloor / 2);
	var branchYPositions = [];
	for (var i = 0; i < numMainBranches; i++) {
		var branchY = Math.floor(4 + i * (gridHeight - 8) / (numMainBranches - 1));
		branchYPositions.push(branchY);
		// Create left branch
		for (var x = 2; x < centerX; x++) {
			corridorGrid[x][branchY] = true;
			// Add some width variation
			if (Math.random() > 0.3) {
				if (branchY - 1 >= 0) corridorGrid[x][branchY - 1] = true;
				if (branchY + 1 < gridHeight) corridorGrid[x][branchY + 1] = true;
			}
		}
		// Create right branch
		for (var x = centerX + 1; x < gridWidth - 2; x++) {
			corridorGrid[x][branchY] = true;
			// Add some width variation
			if (Math.random() > 0.3) {
				if (branchY - 1 >= 0) corridorGrid[x][branchY - 1] = true;
				if (branchY + 1 < gridHeight) corridorGrid[x][branchY + 1] = true;
			}
		}
	}
	// Create secondary branches from main horizontal corridors
	for (var i = 0; i < branchYPositions.length; i++) {
		var mainY = branchYPositions[i];
		// Create 2-3 vertical branches from each main horizontal corridor
		var numSecondaryBranches = 2 + Math.floor(Math.random() * 2);
		for (var j = 0; j < numSecondaryBranches; j++) {
			var branchX = Math.floor(4 + Math.random() * (gridWidth - 8));
			var branchLength = 3 + Math.floor(Math.random() * 6);
			var direction = Math.random() > 0.5 ? 1 : -1; // Up or down
			for (var k = 0; k < branchLength; k++) {
				var newY = mainY + k * direction;
				if (newY >= 2 && newY < gridHeight - 2) {
					corridorGrid[branchX][newY] = true;
				}
			}
		}
	}
	// Create mining chambers at the ends of some branches
	var numChambers = 2 + Math.floor(currentFloor / 3);
	for (var i = 0; i < numChambers; i++) {
		var chamberX = Math.floor(4 + Math.random() * (gridWidth - 8));
		var chamberY = Math.floor(4 + Math.random() * (gridHeight - 8));
		var chamberSize = 2 + Math.floor(Math.random() * 3); // 2x2 to 4x4 chambers
		// Create rectangular chamber
		for (var cx = 0; cx < chamberSize; cx++) {
			for (var cy = 0; cy < chamberSize; cy++) {
				var newX = chamberX + cx;
				var newY = chamberY + cy;
				if (newX >= 2 && newX < gridWidth - 2 && newY >= 2 && newY < gridHeight - 2) {
					corridorGrid[newX][newY] = true;
				}
			}
		}
		// Connect chamber to nearest corridor
		var connected = false;
		var searchRadius = 1;
		while (!connected && searchRadius < 8) {
			for (var dx = -searchRadius; dx <= searchRadius && !connected; dx++) {
				for (var dy = -searchRadius; dy <= searchRadius && !connected; dy++) {
					var checkX = chamberX + dx;
					var checkY = chamberY + dy;
					if (checkX >= 0 && checkX < gridWidth && checkY >= 0 && checkY < gridHeight) {
						if (corridorGrid[checkX][checkY]) {
							// Create connection tunnel
							var steps = Math.max(Math.abs(dx), Math.abs(dy));
							for (var step = 0; step <= steps; step++) {
								var tunnelX = chamberX + Math.floor(dx * step / steps);
								var tunnelY = chamberY + Math.floor(dy * step / steps);
								if (tunnelX >= 2 && tunnelX < gridWidth - 2 && tunnelY >= 2 && tunnelY < gridHeight - 2) {
									corridorGrid[tunnelX][tunnelY] = true;
								}
							}
							connected = true;
						}
					}
				}
			}
			searchRadius++;
		}
	}
	// Convert corridor grid to walls (fill in non-corridor spaces)
	for (var x = 2; x < gridWidth - 2; x++) {
		for (var y = 2; y < gridHeight - 2; y++) {
			if (!corridorGrid[x][y]) {
				var wall = new Wall();
				wall.x = startX + x * cellSize;
				wall.y = startY + y * cellSize;
				walls.push(wall);
				game.addChild(wall);
			}
		}
	}
	// Add some random support pillars in larger open areas
	var numPillars = Math.floor(currentFloor / 2);
	for (var i = 0; i < numPillars; i++) {
		var pillarX = Math.floor(4 + Math.random() * (gridWidth - 8));
		var pillarY = Math.floor(4 + Math.random() * (gridHeight - 8));
		// Only place pillar if it's in a corridor and has space around it
		if (corridorGrid[pillarX][pillarY]) {
			var hasSpace = true;
			for (var dx = -1; dx <= 1 && hasSpace; dx++) {
				for (var dy = -1; dy <= 1 && hasSpace; dy++) {
					var checkX = pillarX + dx;
					var checkY = pillarY + dy;
					if (checkX >= 0 && checkX < gridWidth && checkY >= 0 && checkY < gridHeight) {
						if (!corridorGrid[checkX][checkY]) {
							hasSpace = false;
						}
					}
				}
			}
			if (hasSpace) {
				var wall = new Wall();
				wall.x = startX + pillarX * cellSize;
				wall.y = startY + pillarY * cellSize;
				walls.push(wall);
				game.addChild(wall);
			}
		}
	}
}

===================================================================
--- original.js
+++ change.js
@@ -504,11 +504,11 @@
 	if (keys.hasOwnProperty(key)) {
 		keys[key] = false;
 	}
 }
-// Add keyboard event listeners
-document.addEventListener('keydown', handleKeyDown);
-document.addEventListener('keyup', handleKeyUp);
+// Keyboard event listeners are handled through LK engine events
+LK.on('keydown', handleKeyDown);
+LK.on('keyup', handleKeyUp);
 // Handle player movement based on keyboard input
 function handlePlayerMovement() {
 	if (!player) return;
 	var moveSpeed = player.speed;