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

/**** 
* Classes
****/ 
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 8;
	self.direction = {
		x: 0,
		y: 0
	};
	self.lifetime = 0;
	self.maxLifetime = 120; // 2 seconds at 60fps
	self.update = function () {
		self.x += self.direction.x * self.speed;
		self.y += self.direction.y * self.speed;
		self.lifetime++;
	};
	return self;
});
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 0.5,
		tint: 0xFFFFFF
	});
	self.speed = 1;
	self.health = 2;
	self.attackRange = 40;
	self.patrolDirection = Math.random() > 0.5 ? 1 : -1; // Random initial direction
	self.patrolAxis = Math.random() > 0.5 ? 'x' : 'y'; // Random patrol axis (horizontal or vertical)
	self.patrolDistance = CELL_SIZE * 3; // Patrol 3 cells distance
	self.startPosition = {
		x: 0,
		y: 0
	}; // Will be set when enemy is placed
	self.isMoving = false;
	self.lastPlayerDistance = Infinity;
	self.startPatrol = function () {
		if (self.isMoving) return;
		self.isMoving = true;
		var targetX = self.x;
		var targetY = self.y;
		// Calculate target position based on patrol axis
		if (self.patrolAxis === 'x') {
			targetX = self.startPosition.x + self.patrolDirection * self.patrolDistance;
		} else {
			targetY = self.startPosition.y + self.patrolDirection * self.patrolDistance;
		}
		// Check if target position is valid
		if (canMoveTo(targetX, targetY)) {
			// Move to target position using tween
			tween(self, {
				x: targetX,
				y: targetY
			}, {
				duration: 2000,
				easing: tween.linear,
				onFinish: function onFinish() {
					self.isMoving = false;
					self.patrolDirection *= -1; // Reverse direction
				}
			});
		} else {
			// If can't move in current direction, reverse immediately
			self.isMoving = false;
			self.patrolDirection *= -1;
		}
	};
	self.update = function () {
		var dx = player.x - self.x;
		var dy = player.y - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		// Start patrol movement if not already moving
		if (!self.isMoving) {
			self.startPatrol();
		}
		// Attack player if in range
		if (distance < self.attackRange) {
			if (!self.lastPlayerDistance || self.lastPlayerDistance >= self.attackRange) {
				// Just entered attack range - perform melee attack
				playerHealth--;
				LK.effects.flashObject(player, 0xFF0000, 500);
				// Visual attack feedback - enemy briefly grows and turns red
				tween(self, {
					tint: 0xFF0000,
					scaleX: 1.3,
					scaleY: 1.3
				}, {
					duration: 200,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						// Return to normal appearance
						tween(self, {
							tint: 0xFFFFFF,
							scaleX: 1,
							scaleY: 1
						}, {
							duration: 200,
							easing: tween.easeOut
						});
					}
				});
				// Stop patrolling when attacking
				tween.stop(self);
				self.isMoving = false;
			}
		}
		self.lastPlayerDistance = distance;
	};
	return self;
});
var Ore = Container.expand(function () {
	var self = Container.call(this);
	var oreGraphics = self.attachAsset('ore', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.value = 1;
	self.bobTimer = 0;
	self.baseY = self.y;
	self.update = function () {
		self.bobTimer++;
		self.y = self.baseY + Math.sin(self.bobTimer * 0.1) * 3;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x2C1810
});

/**** 
* Game Code
****/ 
// Game constants
var MAZE_WIDTH = 13;
var MAZE_HEIGHT = 17;
var CELL_SIZE = 80;
var MAZE_OFFSET_X = (2048 - MAZE_WIDTH * CELL_SIZE) / 2;
var MAZE_OFFSET_Y = 100;
// Game variables
var maze = [];
var player;
var enemies = [];
var ores = [];
var bullets = [];
var playerHealth = 3;
var oreCollected = 0;
var oreTarget = 10;
var level = 1;
var exit;
var gameContainer;
// UI elements
var healthText = new Text2('Health: 3', {
	size: 60,
	fill: 0xFF4444
});
healthText.anchor.set(0, 0);
LK.gui.topLeft.addChild(healthText);
var oreText = new Text2('Ore: 0/10', {
	size: 60,
	fill: 0xFFD700
});
oreText.anchor.set(0.5, 0);
LK.gui.top.addChild(oreText);
var levelText = new Text2('Level: 1', {
	size: 60,
	fill: 0xFFFFFF
});
levelText.anchor.set(1, 0);
LK.gui.topRight.addChild(levelText);
// Initialize maze array
function initializeMaze() {
	maze = [];
	for (var y = 0; y < MAZE_HEIGHT; y++) {
		maze[y] = [];
		for (var x = 0; x < MAZE_WIDTH; x++) {
			maze[y][x] = 1; // 1 = wall, 0 = floor
		}
	}
}
// Simple maze generation using recursive backtracking
function generateMaze() {
	initializeMaze();
	var stack = [];
	var startX = 1;
	var startY = 1;
	maze[startY][startX] = 0;
	stack.push({
		x: startX,
		y: startY
	});
	while (stack.length > 0) {
		var current = stack[stack.length - 1];
		var neighbors = [];
		// Check all four directions
		var directions = [{
			x: 0,
			y: -2
		}, {
			x: 2,
			y: 0
		}, {
			x: 0,
			y: 2
		}, {
			x: -2,
			y: 0
		}];
		for (var i = 0; i < directions.length; i++) {
			var nx = current.x + directions[i].x;
			var ny = current.y + directions[i].y;
			if (nx > 0 && nx < MAZE_WIDTH - 1 && ny > 0 && ny < MAZE_HEIGHT - 1 && maze[ny][nx] === 1) {
				neighbors.push({
					x: nx,
					y: ny,
					dir: directions[i]
				});
			}
		}
		if (neighbors.length > 0) {
			var chosen = neighbors[Math.floor(Math.random() * neighbors.length)];
			// Remove wall between current and chosen
			maze[current.y + chosen.dir.y / 2][current.x + chosen.dir.x / 2] = 0;
			maze[chosen.y][chosen.x] = 0;
			stack.push(chosen);
		} else {
			stack.pop();
		}
	}
}
// Create visual maze
function createMazeVisual() {
	gameContainer = game.addChild(new Container());
	for (var y = 0; y < MAZE_HEIGHT; y++) {
		for (var x = 0; x < MAZE_WIDTH; x++) {
			var cellX = MAZE_OFFSET_X + x * CELL_SIZE;
			var cellY = MAZE_OFFSET_Y + y * CELL_SIZE;
			if (maze[y][x] === 1) {
				// Wall
				var wall = LK.getAsset('wall', {
					x: cellX,
					y: cellY
				});
				gameContainer.addChild(wall);
			} else {
				// Floor
				var floor = LK.getAsset('floor', {
					x: cellX,
					y: cellY
				});
				gameContainer.addChild(floor);
			}
		}
	}
}
// Place ore in maze
function placeOre() {
	var oreCount = oreTarget + Math.floor(level / 2);
	var placed = 0;
	while (placed < oreCount) {
		var x = Math.floor(Math.random() * MAZE_WIDTH);
		var y = Math.floor(Math.random() * MAZE_HEIGHT);
		if (maze[y][x] === 0 && (x !== 1 || y !== 1)) {
			var ore = gameContainer.addChild(new Ore());
			ore.x = MAZE_OFFSET_X + x * CELL_SIZE + CELL_SIZE / 2;
			ore.y = MAZE_OFFSET_Y + y * CELL_SIZE + CELL_SIZE / 2;
			ore.baseY = ore.y;
			ores.push(ore);
			placed++;
		}
	}
}
// Place enemies in maze
function placeEnemies() {
	var enemyCount = 3 + level;
	var placed = 0;
	while (placed < enemyCount) {
		var x = Math.floor(Math.random() * MAZE_WIDTH);
		var y = Math.floor(Math.random() * MAZE_HEIGHT);
		if (maze[y][x] === 0 && (x !== 1 || y !== 1) && Math.sqrt((x - 1) * (x - 1) + (y - 1) * (y - 1)) > 5) {
			var enemy = gameContainer.addChild(new Enemy());
			enemy.x = MAZE_OFFSET_X + x * CELL_SIZE + CELL_SIZE / 2;
			enemy.y = MAZE_OFFSET_Y + y * CELL_SIZE + CELL_SIZE / 2;
			enemy.startPosition.x = enemy.x;
			enemy.startPosition.y = enemy.y;
			enemies.push(enemy);
			placed++;
		}
	}
}
// Place exit
function placeExit() {
	// Find a position far from start
	var placed = false;
	while (!placed) {
		var x = Math.floor(Math.random() * MAZE_WIDTH);
		var y = Math.floor(Math.random() * MAZE_HEIGHT);
		if (maze[y][x] === 0 && Math.sqrt((x - 1) * (x - 1) + (y - 1) * (y - 1)) > 10) {
			exit = gameContainer.addChild(LK.getAsset('exit', {
				x: MAZE_OFFSET_X + x * CELL_SIZE,
				y: MAZE_OFFSET_Y + y * CELL_SIZE
			}));
			placed = true;
		}
	}
}
// Check if position is valid for movement
function canMoveTo(x, y) {
	var mazeX = Math.floor((x - MAZE_OFFSET_X) / CELL_SIZE);
	var mazeY = Math.floor((y - MAZE_OFFSET_Y) / CELL_SIZE);
	if (mazeX < 0 || mazeX >= MAZE_WIDTH || mazeY < 0 || mazeY >= MAZE_HEIGHT) {
		return false;
	}
	return maze[mazeY][mazeX] === 0;
}
// Initialize level
function initializeLevel() {
	// Clear existing game objects
	if (gameContainer) {
		gameContainer.destroy();
	}
	enemies = [];
	ores = [];
	bullets = [];
	oreCollected = 0;
	// Generate new maze
	generateMaze();
	createMazeVisual();
	// Create player
	player = gameContainer.addChild(LK.getAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: MAZE_OFFSET_X + 1 * CELL_SIZE + CELL_SIZE / 2,
		y: MAZE_OFFSET_Y + 1 * CELL_SIZE + CELL_SIZE / 2
	}));
	// Place game objects
	placeOre();
	placeEnemies();
	placeExit();
	// Update UI
	updateUI();
}
// Update UI
function updateUI() {
	healthText.setText('Health: ' + playerHealth);
	oreText.setText('Ore: ' + oreCollected + '/' + oreTarget);
	levelText.setText('Level: ' + level);
}
// Shooting system
var dragNode = null;
var shootCooldown = 0;
function shoot(targetX, targetY) {
	if (shootCooldown > 0) return;
	var dx = targetX - player.x;
	var dy = targetY - player.y;
	var distance = Math.sqrt(dx * dx + dy * dy);
	if (distance < 50) return; // Don't shoot if too close
	var bullet = gameContainer.addChild(new Bullet());
	bullet.x = player.x;
	bullet.y = player.y;
	bullet.direction.x = dx / distance;
	bullet.direction.y = dy / distance;
	bullets.push(bullet);
	shootCooldown = 15; // Quarter second cooldown
	LK.getSound('shoot').play();
}
// Main game loop
game.update = function () {
	if (shootCooldown > 0) shootCooldown--;
	// Update bullets
	for (var i = bullets.length - 1; i >= 0; i--) {
		var bullet = bullets[i];
		// Check bullet lifetime
		if (bullet.lifetime >= bullet.maxLifetime) {
			bullet.destroy();
			bullets.splice(i, 1);
			continue;
		}
		// Check wall collision
		if (!canMoveTo(bullet.x, bullet.y)) {
			bullet.destroy();
			bullets.splice(i, 1);
			continue;
		}
		// Check enemy collision
		var hitEnemy = false;
		for (var j = enemies.length - 1; j >= 0; j--) {
			if (bullet.intersects(enemies[j])) {
				enemies[j].health--;
				LK.getSound('enemyHit').play();
				if (enemies[j].health <= 0) {
					// Create explosion effect before destroying enemy
					tween(enemies[j], {
						scaleX: 2,
						scaleY: 2,
						alpha: 0,
						tint: 0xFF6600
					}, {
						duration: 300,
						easing: tween.easeOut,
						onFinish: function onFinish() {
							// Enemy is destroyed after explosion animation
						}
					});
					enemies[j].destroy();
					enemies.splice(j, 1);
				}
				bullet.destroy();
				bullets.splice(i, 1);
				hitEnemy = true;
				break;
			}
		}
		if (hitEnemy) continue;
	}
	// Check ore collection
	for (var i = ores.length - 1; i >= 0; i--) {
		if (player.intersects(ores[i])) {
			oreCollected++;
			LK.getSound('oreCollect').play();
			ores[i].destroy();
			ores.splice(i, 1);
			updateUI();
		}
	}
	// Check exit condition
	if (exit && player.intersects(exit) && oreCollected >= oreTarget) {
		level++;
		oreTarget += 2;
		initializeLevel();
		return;
	}
	// Check game over
	if (playerHealth <= 0) {
		LK.showGameOver();
		return;
	}
	// Check win condition (survive 10 levels)
	if (level > 10) {
		LK.showYouWin();
		return;
	}
};
// Swipe-based movement system
var swipeStart = {
	x: 0,
	y: 0
};
var swipeEnd = {
	x: 0,
	y: 0
};
var isTracking = false;
var playerSpeed = 80; // Full cell movement
var swipeThreshold = 50; // Minimum distance for swipe detection
var lastMoveTime = 0;
var moveDelay = 200; // Delay between moves in milliseconds
var isPlayerMoving = false;
game.down = function (x, y, obj) {
	swipeStart.x = x;
	swipeStart.y = y;
	isTracking = true;
};
game.move = function (x, y, obj) {
	if (isTracking) {
		swipeEnd.x = x;
		swipeEnd.y = y;
	}
};
game.up = function (x, y, obj) {
	if (!isTracking) return;
	isTracking = false;
	var dx = swipeEnd.x - swipeStart.x;
	var dy = swipeEnd.y - swipeStart.y;
	var swipeDistance = Math.sqrt(dx * dx + dy * dy);
	// Check if swipe is long enough
	if (swipeDistance < swipeThreshold) {
		// Short tap - shoot in that direction
		shoot(x, y);
		return;
	}
	// Prevent too frequent moves and simultaneous movements
	var currentTime = Date.now();
	if (currentTime - lastMoveTime < moveDelay || isPlayerMoving) return;
	// Determine swipe direction
	var moveX = 0;
	var moveY = 0;
	if (Math.abs(dx) > Math.abs(dy)) {
		// Horizontal swipe
		moveX = dx > 0 ? playerSpeed : -playerSpeed;
	} else {
		// Vertical swipe  
		moveY = dy > 0 ? playerSpeed : -playerSpeed;
	}
	// Calculate new position
	var newX = player.x + moveX;
	var newY = player.y + moveY;
	// Check if movement is valid and animate smoothly
	if (canMoveTo(newX, player.y) && Math.abs(moveX) > 0) {
		isPlayerMoving = true;
		tween(player, {
			x: newX
		}, {
			duration: 150,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				isPlayerMoving = false;
			}
		});
		lastMoveTime = currentTime;
	} else if (canMoveTo(player.x, newY) && Math.abs(moveY) > 0) {
		isPlayerMoving = true;
		tween(player, {
			y: newY
		}, {
			duration: 150,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				isPlayerMoving = false;
			}
		});
		lastMoveTime = currentTime;
	}
};
// Initialize the first level
initializeLevel();

===================================================================
--- original.js
+++ change.js
@@ -402,8 +402,21 @@
 			if (bullet.intersects(enemies[j])) {
 				enemies[j].health--;
 				LK.getSound('enemyHit').play();
 				if (enemies[j].health <= 0) {
+					// Create explosion effect before destroying enemy
+					tween(enemies[j], {
+						scaleX: 2,
+						scaleY: 2,
+						alpha: 0,
+						tint: 0xFF6600
+					}, {
+						duration: 300,
+						easing: tween.easeOut,
+						onFinish: function onFinish() {
+							// Enemy is destroyed after explosion animation
+						}
+					});
 					enemies[j].destroy();
 					enemies.splice(j, 1);
 				}
 				bullet.destroy();