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

/**** 
* Classes
****/ 
var Coin = Container.expand(function () {
	var self = Container.call(this);
	var coinGraphics = self.attachAsset('coin', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.bobOffset = Math.random() * Math.PI * 2;
	self.initialY = 0;
	self.update = function () {
		if (self.initialY === 0) {
			self.initialY = self.y;
		}
		// Only do bobbing animation and collection if not animating to coin counter
		if (!self.isAnimating) {
			// Bobbing animation
			self.y = self.initialY + Math.sin(LK.ticks * 0.1 + self.bobOffset) * 10;
			// Check collection by knight
			if (knight && self.intersects(knight)) {
				self.collect();
			}
		}
	};
	self.collect = function () {
		LK.getSound('coinCollect').play();
		LK.setScore(LK.getScore() + 5);
		coinCounter++;
		coinText.setText('Coins: ' + coinCounter);
		// Remove from coins array
		for (var i = coins.length - 1; i >= 0; i--) {
			if (coins[i] === self) {
				coins.splice(i, 1);
				break;
			}
		}
		self.destroy();
	};
	return self;
});
// Game arrays to track objects
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	// Animation system for skeleton
	self.currentFrame = 1;
	self.animationTimer = 0;
	self.animationSpeed = 15; // Change frame every 15 ticks (250ms at 60fps)
	self.animationState = 'walking'; // walking, attacking, dying, idle
	// Create all skeleton graphics frames and store them
	self.skeletonFrames = [];
	for (var i = 1; i <= 4; i++) {
		var frameGraphics = self.attachAsset('esqueleto' + i, {
			anchorX: 0.5,
			anchorY: 1.0,
			scaleX: 2.0,
			scaleY: 2.0
		});
		frameGraphics.visible = i === 1; // Only show first frame initially
		self.skeletonFrames.push(frameGraphics);
	}
	// Create invisible hitbox with double size
	var hitbox = self.attachAsset('esqueleto1', {
		anchorX: 0.5,
		anchorY: 1.0,
		scaleX: 4,
		scaleY: 4
	});
	hitbox.alpha = 0; // Make hitbox invisible
	self.health = 100;
	self.maxHealth = 100;
	self.speed = 7;
	// Note: health, maxHealth and speed will be overridden by difficulty system
	self.lastX = 0;
	self.update = function () {
		// Animation system - cycle through skeleton frames based on state
		self.animationTimer++;
		var frameSpeed = self.animationSpeed;
		if (self.animationState === 'attacking') {
			frameSpeed = 8; // Faster animation for attacking
		} else if (self.animationState === 'dying') {
			frameSpeed = 20; // Slower animation for dying
		} else if (self.animationState === 'idle') {
			frameSpeed = 25; // Very slow animation for idle
		}
		if (self.animationTimer >= frameSpeed) {
			self.animationTimer = 0;
			// Hide current frame
			self.skeletonFrames[self.currentFrame - 1].visible = false;
			// Move to next frame based on animation state
			if (self.animationState === 'walking') {
				self.currentFrame++;
				if (self.currentFrame > 4) {
					self.currentFrame = 1;
				}
			} else if (self.animationState === 'attacking') {
				// Cycle through frames 2-4 for attacking
				self.currentFrame++;
				if (self.currentFrame > 4) {
					self.currentFrame = 2;
				}
			} else if (self.animationState === 'dying') {
				// Play frames 3-4 once for dying
				if (self.currentFrame < 4) {
					self.currentFrame++;
				}
			} else if (self.animationState === 'idle') {
				// Cycle between frames 1-2 for idle
				self.currentFrame = self.currentFrame === 1 ? 2 : 1;
			}
			// Show new frame
			self.skeletonFrames[self.currentFrame - 1].visible = true;
		}
		// Progressive speed increase - increase speed by 50% over 10 seconds
		if (!self.speedTweenStarted) {
			self.speedTweenStarted = true;
			var targetSpeed = self.speed * 2.5; // Increase speed by 150%
			tween(self, {
				speed: targetSpeed
			}, {
				duration: 10000,
				// 10 seconds
				easing: tween.easeOut
			});
		}
		// Always move directly toward the wizard to ensure enemies reach the player
		if (wizard) {
			// Calculate direction from enemy to wizard
			var dx = wizard.x - self.x;
			var dy = wizard.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance > 0) {
				// Normalize direction and apply speed
				self.x += dx / distance * self.speed;
				self.y += dy / distance * self.speed;
			}
			// Face toward the wizard - flip horizontally based on wizard position
			if (dx < 0) {
				// Wizard is to the left - flip to face left
				for (var frameIdx = 0; frameIdx < self.skeletonFrames.length; frameIdx++) {
					self.skeletonFrames[frameIdx].scaleX = -2.0; // Flip to face left
				}
			} else {
				// Wizard is to the right - face right
				for (var frameIdx = 0; frameIdx < self.skeletonFrames.length; frameIdx++) {
					self.skeletonFrames[frameIdx].scaleX = 2.0; // Normal orientation to face right
				}
			}
		} else {
			// Fallback: move down if wizard doesn't exist
			self.y += self.speed;
		}
	};
	self.takeDamage = function (damage) {
		self.health -= damage;
		// Change animation state to attacking when hit
		self.animationState = 'attacking';
		// Flash red when hit
		LK.effects.flashObject(self, 0xFF0000, 200);
		// Return to walking animation after brief attacking animation
		tween({}, {}, {
			duration: 300,
			onFinish: function onFinish() {
				if (self.animationState === 'attacking') {
					self.animationState = 'walking';
				}
			}
		});
		// Enemies die from any projectile hit
		self.die();
	};
	self.down = function (x, y, obj) {
		// Set this enemy as the selected target
		selectedEnemy = self;
		// Visual feedback for selection
		LK.effects.flashObject(self, 0xFFFF00, 500); // Yellow flash to indicate selection
		// Create projectile from wizard to enemy when enemy is tapped
		if (wizard && projectiles.length < 10) {
			// Limit projectiles to prevent spam
			var projectile = game.addChild(new Projectile());
			projectile.x = wizard.x;
			projectile.y = wizard.y;
			// Calculate direction from wizard to enemy
			var dx = self.x - wizard.x;
			var dy = self.y - wizard.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance > 0) {
				projectile.direction.x = dx / distance;
				projectile.direction.y = dy / distance;
			}
			projectile.targetEnemy = self; // Set the target for this projectile
			projectiles.push(projectile);
			LK.getSound('spellCast').play();
		}
	};
	self.die = function () {
		// Change animation state to dying
		self.animationState = 'dying';
		self.currentFrame = 3; // Start dying animation from frame 3
		// Play pain sound when enemy dies
		LK.getSound('painSound').play();
		// Drop coin
		var coin = game.addChild(new Coin());
		coin.x = self.x;
		coin.y = self.y - 50;
		coin.isAnimating = true;
		coins.push(coin);
		// Animate coin moving toward coin counter
		var coinTargetX = 120 + coinText.width / 2;
		var coinTargetY = 90 + coinText.height / 2;
		tween(coin, {
			x: coinTargetX,
			y: coinTargetY,
			scaleX: 0.5,
			scaleY: 0.5
		}, {
			duration: 1000,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				// Increment coin counter after animation
				coinCounter++;
				coinText.setText('Coins: ' + coinCounter);
				// Remove coin from array and destroy
				for (var i = coins.length - 1; i >= 0; i--) {
					if (coins[i] === coin) {
						coins.splice(i, 1);
						break;
					}
				}
				coin.destroy();
			}
		});
		// Increment enemy kill counter
		enemyKillCounter++;
		killCountText.setText('Puntuacion: ' + enemyKillCounter);
		// Add experience to wizard
		wizard.gainExperience(25);
		// Life drain upgrade - 5% chance to restore 10 health
		if (wizard.lifeDrainLevel && wizard.lifeDrainLevel > 0) {
			var drainChance = Math.random();
			if (drainChance < 0.05) {
				// 5% chance
				wizard.health = Math.min(wizard.health + 10, wizard.maxHealth);
				updateHealthBar();
				// Visual feedback for life drain
				LK.effects.flashObject(wizard, 0x00FF00, 300);
			}
		}
		// Clear selected enemy if this was the target
		if (selectedEnemy === self) {
			selectedEnemy = null;
		}
		// Remove from enemies array
		for (var i = enemies.length - 1; i >= 0; i--) {
			if (enemies[i] === self) {
				enemies.splice(i, 1);
				break;
			}
		}
		self.destroy();
		LK.setScore(LK.getScore() + 10);
	};
	return self;
});
var EnergyBeam = Container.expand(function () {
	var self = Container.call(this);
	// Create beam visual using projectile glow
	var beamGraphics = self.attachAsset('projectileGlow', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1.0,
		scaleY: 1.0
	});
	beamGraphics.tint = 0x00ffff; // Cyan color
	beamGraphics.alpha = 0.9;
	self.speed = 60;
	self.direction = {
		x: 0,
		y: 0
	};
	self.targetEnemy = null;
	self.lastIntersecting = false;
	self.update = function () {
		// Move toward target
		self.x += self.direction.x * self.speed;
		self.y += self.direction.y * self.speed;
		// Rotate beam to point toward movement direction
		var angle = Math.atan2(self.direction.y, self.direction.x);
		beamGraphics.rotation = angle;
		// Remove if off screen
		if (self.x < -100 || self.x > 2148 || self.y < -100 || self.y > 2832) {
			self.destroy();
			return;
		}
		// Check collision with target enemy
		if (self.targetEnemy && self.targetEnemy.parent) {
			var currentIntersecting = self.intersects(self.targetEnemy);
			if (!self.lastIntersecting && currentIntersecting) {
				// Hit the target enemy
				self.targetEnemy.takeDamage(40);
				self.destroy();
				return;
			}
			self.lastIntersecting = currentIntersecting;
		} else {
			// Target destroyed, remove beam
			self.destroy();
		}
	};
	return self;
});
var EnergyOrb = Container.expand(function () {
	var self = Container.call(this);
	// Create energy sphere visual
	var sphereGraphics = self.attachAsset('energySphere', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1.5,
		scaleY: 1.5
	});
	// Add glowing effect
	sphereGraphics.alpha = 0.8;
	self.attackTimer = 0;
	self.attackInterval = 180; // 3 seconds at 60fps
	self.orbitalAngle = 0;
	self.orbitalRadius = 120;
	self.update = function () {
		// Pause energy orb when upgrade menu is visible
		if (upgradeMenu && upgradeMenu.visible) {
			return;
		}
		// Keep sphere at wizard's position (stationary relative to wizard)
		if (wizard) {
			self.x = wizard.x + 140; // Position further to the right side of wizard
			self.y = wizard.y - 20; // Position slightly lower relative to wizard
		}
		// Pulsing glow effect
		var pulse = 1 + Math.sin(LK.ticks * 0.2) * 0.3;
		sphereGraphics.scaleX = 1.5 * pulse;
		sphereGraphics.scaleY = 1.5 * pulse;
		// Attack timer
		self.attackTimer++;
		if (self.attackTimer >= self.attackInterval) {
			self.attackTimer = 0;
			self.attackClosestEnemy();
		}
	};
	self.attackClosestEnemy = function () {
		var closestEnemy = null;
		var closestDistance = Infinity;
		// Check all enemy types for closest one
		var allEnemies = enemies.concat(ogres).concat(knights);
		for (var i = 0; i < allEnemies.length; i++) {
			var enemy = allEnemies[i];
			var dx = enemy.x - self.x;
			var dy = enemy.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance < closestDistance) {
				closestDistance = distance;
				closestEnemy = enemy;
			}
		}
		// Attack closest enemy if found
		if (closestEnemy) {
			// Create energy beam projectile
			var energyBeam = game.addChild(new EnergyBeam());
			energyBeam.x = self.x;
			energyBeam.y = self.y;
			energyBeam.targetEnemy = closestEnemy;
			// Calculate direction to target
			var dx = closestEnemy.x - self.x;
			var dy = closestEnemy.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance > 0) {
				energyBeam.direction.x = dx / distance;
				energyBeam.direction.y = dy / distance;
			}
			// Flash effect on sphere when attacking
			tween(sphereGraphics, {
				scaleX: 2.5,
				scaleY: 2.5,
				alpha: 1.0
			}, {
				duration: 200,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					tween(sphereGraphics, {
						scaleX: 1.5,
						scaleY: 1.5,
						alpha: 0.8
					}, {
						duration: 200,
						easing: tween.easeIn
					});
				}
			});
			LK.getSound('spellCast').play();
		}
	};
	return self;
});
var GameMenu = Container.expand(function () {
	var self = Container.call(this);
	// Menu background image instead of cave background
	var menuBg = self.attachAsset('menuBackground', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: 2732 / 2,
		scaleX: 4.0,
		scaleY: 4.0
	});
	menuBg.alpha = 1.0;
	// Title text
	var titleText = new Text2('WIZARD DEFENDER', {
		size: 150,
		fill: 0xFFD700,
		font: "monospace"
	});
	titleText.anchor.set(0.5, 0.5);
	titleText.x = 2048 / 2;
	titleText.y = 800;
	self.addChild(titleText);
	// Instructions text
	var instructionsText = new Text2('TAP PATHS TO CAST SPELLS\nDEFEND YOUR CASTLE!', {
		size: 80,
		fill: 0xFFFFFF,
		font: "monospace"
	});
	instructionsText.anchor.set(0.5, 0.5);
	instructionsText.x = 2048 / 2;
	instructionsText.y = 1200;
	self.addChild(instructionsText);
	// Start button
	var startButton = self.attachAsset('wizard1', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: 1600,
		scaleX: 2,
		scaleY: 2
	});
	var startButtonText = new Text2('START GAME', {
		size: 100,
		fill: 0x000000,
		font: "monospace"
	});
	startButtonText.anchor.set(0.5, 0.5);
	startButtonText.x = 2048 / 2;
	startButtonText.y = 1700;
	self.addChild(startButtonText);
	// Button interaction
	self.down = function (x, y, obj) {
		// Start the game by hiding menu
		self.startGame();
	};
	self.startGame = function () {
		// Hide menu and start game
		self.visible = false;
		gameStarted = true;
		// Show cave background when game starts
		if (backgroundMap) {
			backgroundMap.visible = true;
		}
		// Show all game elements
		wizard.visible = true;
		for (var i = 0; i < paths.length; i++) {
			paths[i].visible = true;
		}
		// Show all stone path segments and make them visible
		for (var i = 0; i < game.children.length; i++) {
			var child = game.children[i];
			if (child.pathIndex !== undefined && child !== paths[child.pathIndex]) {
				child.visible = true;
				// Check if it's a stone path segment or path number
				if (child.alpha !== undefined && child.setText === undefined) {
					child.alpha = 0; // Keep stone paths invisible
				}
			}
		}
		coinText.visible = true;
		killCountText.visible = true;
		tapText.visible = true;
		healthBarBg.visible = true;
		healthBar.visible = true;
		healthText.visible = true;
		// Start medieval music
		LK.playMusic('medievalTheme', {
			volume: 0.7,
			fade: {
				start: 0,
				end: 0.7,
				duration: 2000
			}
		});
	};
	return self;
});
var Knight = Container.expand(function () {
	var self = Container.call(this);
	// Animation system for knight
	self.currentFrame = 1;
	self.animationTimer = 0;
	self.animationSpeed = 22; // Change frame every 22 ticks (367ms at 60fps)
	self.animationState = 'walking'; // walking, attacking, dying, idle
	// Create all knight graphics frames and store them
	self.knightFrames = [];
	for (var i = 1; i <= 4; i++) {
		var frameGraphics = self.attachAsset('knight' + i, {
			anchorX: 0.5,
			anchorY: 1.0,
			scaleX: 2.0,
			scaleY: 2.0
		});
		frameGraphics.visible = i === 1; // Only show first frame initially
		self.knightFrames.push(frameGraphics);
	}
	// Create invisible hitbox with double size
	var hitbox = self.attachAsset('knight1', {
		anchorX: 0.5,
		anchorY: 1.0,
		scaleX: 4,
		scaleY: 4
	});
	hitbox.alpha = 0; // Make hitbox invisible
	self.health = 100;
	self.maxHealth = 100;
	self.speed = 7;
	self.hitsToKill = 3; // Knights need 3 hits to die
	self.hitsTaken = 0;
	// Note: health, maxHealth and speed will be overridden by difficulty system
	self.lastX = 0;
	self.update = function () {
		// Animation system - cycle through knight frames based on state
		self.animationTimer++;
		var frameSpeed = self.animationSpeed;
		if (self.animationState === 'attacking') {
			frameSpeed = 12; // Faster animation for attacking
		} else if (self.animationState === 'dying') {
			frameSpeed = 28; // Slower animation for dying
		} else if (self.animationState === 'idle') {
			frameSpeed = 35; // Very slow animation for idle
		}
		if (self.animationTimer >= frameSpeed) {
			self.animationTimer = 0;
			// Hide current frame
			self.knightFrames[self.currentFrame - 1].visible = false;
			// Move to next frame based on animation state
			if (self.animationState === 'walking') {
				self.currentFrame++;
				if (self.currentFrame > 4) {
					self.currentFrame = 1;
				}
			} else if (self.animationState === 'attacking') {
				// Cycle through frames 2-4 for attacking
				self.currentFrame++;
				if (self.currentFrame > 4) {
					self.currentFrame = 2;
				}
			} else if (self.animationState === 'dying') {
				// Play frames 3-4 once for dying
				if (self.currentFrame < 4) {
					self.currentFrame++;
				}
			} else if (self.animationState === 'idle') {
				// Cycle between frames 1-2 for idle
				self.currentFrame = self.currentFrame === 1 ? 2 : 1;
			}
			// Show new frame
			self.knightFrames[self.currentFrame - 1].visible = true;
		}
		// Progressive speed increase - increase speed by 150% over 10 seconds
		if (!self.speedTweenStarted) {
			self.speedTweenStarted = true;
			var targetSpeed = self.speed * 2.5; // Increase speed by 150%
			tween(self, {
				speed: targetSpeed
			}, {
				duration: 10000,
				// 10 seconds
				easing: tween.easeOut
			});
		}
		// Always move directly toward the wizard to ensure knights reach the player
		if (wizard) {
			// Calculate direction from knight to wizard
			var dx = wizard.x - self.x;
			var dy = wizard.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance > 0) {
				// Normalize direction and apply speed
				self.x += dx / distance * self.speed;
				self.y += dy / distance * self.speed;
			}
			// Face toward the wizard - flip horizontally based on wizard position
			if (dx < 0) {
				// Wizard is to the left - flip to face left
				for (var frameIdx = 0; frameIdx < self.knightFrames.length; frameIdx++) {
					self.knightFrames[frameIdx].scaleX = -2.0; // Flip to face left
				}
			} else {
				// Wizard is to the right - face right
				for (var frameIdx = 0; frameIdx < self.knightFrames.length; frameIdx++) {
					self.knightFrames[frameIdx].scaleX = 2.0; // Normal orientation to face right
				}
			}
		} else {
			// Fallback: move down if wizard doesn't exist
			self.y += self.speed;
		}
	};
	self.takeDamage = function (damage) {
		self.health -= damage;
		self.hitsTaken++;
		// Change animation state to attacking when hit
		self.animationState = 'attacking';
		// Flash red when hit
		LK.effects.flashObject(self, 0xFF0000, 200);
		// Return to walking animation after brief attacking animation
		tween({}, {}, {
			duration: 500,
			onFinish: function onFinish() {
				if (self.animationState === 'attacking') {
					self.animationState = 'walking';
				}
			}
		});
		// Knights need 3 hits to die
		if (self.hitsTaken >= self.hitsToKill) {
			self.die();
		}
	};
	self.down = function (x, y, obj) {
		// Set this knight as the selected target
		selectedEnemy = self;
		// Visual feedback for selection
		LK.effects.flashObject(self, 0xFFFF00, 500); // Yellow flash to indicate selection
		// Create projectile from wizard to knight when knight is tapped
		if (wizard && projectiles.length < 10) {
			// Limit projectiles to prevent spam
			var projectile = game.addChild(new Projectile());
			projectile.x = wizard.x;
			projectile.y = wizard.y;
			// Calculate direction from wizard to knight
			var dx = self.x - wizard.x;
			var dy = self.y - wizard.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance > 0) {
				projectile.direction.x = dx / distance;
				projectile.direction.y = dy / distance;
			}
			projectile.targetEnemy = self; // Set the target for this projectile
			projectiles.push(projectile);
			LK.getSound('spellCast').play();
		}
	};
	self.die = function () {
		// Change animation state to dying
		self.animationState = 'dying';
		self.currentFrame = 3; // Start dying animation from frame 3
		// Play pain sound when knight dies
		LK.getSound('painSound').play();
		// Drop coin
		var coin = game.addChild(new Coin());
		coin.x = self.x;
		coin.y = self.y - 50;
		coin.isAnimating = true;
		coins.push(coin);
		// Animate coin moving toward coin counter
		var coinTargetX = 120 + coinText.width / 2;
		var coinTargetY = 90 + coinText.height / 2;
		tween(coin, {
			x: coinTargetX,
			y: coinTargetY,
			scaleX: 0.5,
			scaleY: 0.5
		}, {
			duration: 1000,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				// Increment coin counter after animation
				coinCounter++;
				coinText.setText('Coins: ' + coinCounter);
				// Remove coin from array and destroy
				for (var i = coins.length - 1; i >= 0; i--) {
					if (coins[i] === coin) {
						coins.splice(i, 1);
						break;
					}
				}
				coin.destroy();
			}
		});
		// Increment enemy kill counter
		enemyKillCounter++;
		killCountText.setText('Puntuacion: ' + enemyKillCounter);
		// Add experience to wizard
		wizard.gainExperience(25);
		// Life drain upgrade - 5% chance to restore 10 health
		if (wizard.lifeDrainLevel && wizard.lifeDrainLevel > 0) {
			var drainChance = Math.random();
			if (drainChance < 0.05) {
				// 5% chance
				wizard.health = Math.min(wizard.health + 10, wizard.maxHealth);
				updateHealthBar();
				// Visual feedback for life drain
				LK.effects.flashObject(wizard, 0x00FF00, 300);
			}
		}
		// Clear selected enemy if this was the target
		if (selectedEnemy === self) {
			selectedEnemy = null;
		}
		// Remove from knights array
		for (var i = knights.length - 1; i >= 0; i--) {
			if (knights[i] === self) {
				knights.splice(i, 1);
				break;
			}
		}
		self.destroy();
		LK.setScore(LK.getScore() + 20);
	};
	return self;
});
var Ogre = Container.expand(function () {
	var self = Container.call(this);
	// Animation system for ogre
	self.currentFrame = 1;
	self.animationTimer = 0;
	self.animationSpeed = 20; // Change frame every 20 ticks (333ms at 60fps)
	self.animationState = 'walking'; // walking, attacking, dying, idle
	// Create all ogre graphics frames and store them
	self.ogreFrames = [];
	for (var i = 1; i <= 4; i++) {
		var frameGraphics = self.attachAsset('ogre' + i, {
			anchorX: 0.5,
			anchorY: 1.0,
			scaleX: 2.0,
			scaleY: 2.0
		});
		frameGraphics.visible = i === 1; // Only show first frame initially
		self.ogreFrames.push(frameGraphics);
	}
	// Create invisible hitbox with double size
	var hitbox = self.attachAsset('ogre1', {
		anchorX: 0.5,
		anchorY: 1.0,
		scaleX: 4,
		scaleY: 4
	});
	hitbox.alpha = 0; // Make hitbox invisible
	self.health = 100;
	self.maxHealth = 100;
	self.speed = 7;
	self.hitsToKill = 2;
	self.hitsTaken = 0;
	// Note: health, maxHealth and speed will be overridden by difficulty system
	self.lastX = 0;
	self.update = function () {
		// Animation system - cycle through ogre frames based on state
		self.animationTimer++;
		var frameSpeed = self.animationSpeed;
		if (self.animationState === 'attacking') {
			frameSpeed = 10; // Faster animation for attacking
		} else if (self.animationState === 'dying') {
			frameSpeed = 25; // Slower animation for dying
		} else if (self.animationState === 'idle') {
			frameSpeed = 30; // Very slow animation for idle
		}
		if (self.animationTimer >= frameSpeed) {
			self.animationTimer = 0;
			// Hide current frame
			self.ogreFrames[self.currentFrame - 1].visible = false;
			// Move to next frame based on animation state
			if (self.animationState === 'walking') {
				self.currentFrame++;
				if (self.currentFrame > 4) {
					self.currentFrame = 1;
				}
			} else if (self.animationState === 'attacking') {
				// Cycle through frames 2-4 for attacking
				self.currentFrame++;
				if (self.currentFrame > 4) {
					self.currentFrame = 2;
				}
			} else if (self.animationState === 'dying') {
				// Play frames 3-4 once for dying
				if (self.currentFrame < 4) {
					self.currentFrame++;
				}
			} else if (self.animationState === 'idle') {
				// Cycle between frames 1-2 for idle
				self.currentFrame = self.currentFrame === 1 ? 2 : 1;
			}
			// Show new frame
			self.ogreFrames[self.currentFrame - 1].visible = true;
		}
		// Progressive speed increase - increase speed by 150% over 10 seconds
		if (!self.speedTweenStarted) {
			self.speedTweenStarted = true;
			var targetSpeed = self.speed * 2.5; // Increase speed by 150%
			tween(self, {
				speed: targetSpeed
			}, {
				duration: 10000,
				// 10 seconds
				easing: tween.easeOut
			});
		}
		// Always move directly toward the wizard to ensure ogres reach the player
		if (wizard) {
			// Calculate direction from ogre to wizard
			var dx = wizard.x - self.x;
			var dy = wizard.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance > 0) {
				// Normalize direction and apply speed
				self.x += dx / distance * self.speed;
				self.y += dy / distance * self.speed;
			}
			// Face toward the wizard - flip horizontally based on wizard position
			if (dx < 0) {
				// Wizard is to the left - flip to face left
				for (var frameIdx = 0; frameIdx < self.ogreFrames.length; frameIdx++) {
					self.ogreFrames[frameIdx].scaleX = -2.0; // Flip to face left
				}
			} else {
				// Wizard is to the right - face right
				for (var frameIdx = 0; frameIdx < self.ogreFrames.length; frameIdx++) {
					self.ogreFrames[frameIdx].scaleX = 2.0; // Normal orientation to face right
				}
			}
		} else {
			// Fallback: move down if wizard doesn't exist
			self.y += self.speed;
		}
	};
	self.takeDamage = function (damage) {
		self.health -= damage;
		self.hitsTaken++;
		// Change animation state to attacking when hit
		self.animationState = 'attacking';
		// Flash red when hit
		LK.effects.flashObject(self, 0xFF0000, 200);
		// Return to walking animation after brief attacking animation
		tween({}, {}, {
			duration: 400,
			onFinish: function onFinish() {
				if (self.animationState === 'attacking') {
					self.animationState = 'walking';
				}
			}
		});
		// Ogres need 2 hits to die
		if (self.hitsTaken >= self.hitsToKill) {
			self.die();
		}
	};
	self.down = function (x, y, obj) {
		// Set this ogre as the selected target
		selectedEnemy = self;
		// Visual feedback for selection
		LK.effects.flashObject(self, 0xFFFF00, 500); // Yellow flash to indicate selection
		// Create projectile from wizard to ogre when ogre is tapped
		if (wizard && projectiles.length < 10) {
			// Limit projectiles to prevent spam
			var projectile = game.addChild(new Projectile());
			projectile.x = wizard.x;
			projectile.y = wizard.y;
			// Calculate direction from wizard to ogre
			var dx = self.x - wizard.x;
			var dy = self.y - wizard.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance > 0) {
				projectile.direction.x = dx / distance;
				projectile.direction.y = dy / distance;
			}
			projectile.targetEnemy = self; // Set the target for this projectile
			projectiles.push(projectile);
			LK.getSound('spellCast').play();
		}
	};
	self.die = function () {
		// Change animation state to dying
		self.animationState = 'dying';
		self.currentFrame = 3; // Start dying animation from frame 3
		// Play pain sound when ogre dies
		LK.getSound('painSound').play();
		// Drop coin
		var coin = game.addChild(new Coin());
		coin.x = self.x;
		coin.y = self.y - 50;
		coin.isAnimating = true;
		coins.push(coin);
		// Animate coin moving toward coin counter
		var coinTargetX = 120 + coinText.width / 2;
		var coinTargetY = 90 + coinText.height / 2;
		tween(coin, {
			x: coinTargetX,
			y: coinTargetY,
			scaleX: 0.5,
			scaleY: 0.5
		}, {
			duration: 1000,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				// Increment coin counter after animation
				coinCounter++;
				coinText.setText('Coins: ' + coinCounter);
				// Remove coin from array and destroy
				for (var i = coins.length - 1; i >= 0; i--) {
					if (coins[i] === coin) {
						coins.splice(i, 1);
						break;
					}
				}
				coin.destroy();
			}
		});
		// Increment enemy kill counter
		enemyKillCounter++;
		killCountText.setText('Puntuacion: ' + enemyKillCounter);
		// Add experience to wizard
		wizard.gainExperience(25);
		// Life drain upgrade - 5% chance to restore 10 health
		if (wizard.lifeDrainLevel && wizard.lifeDrainLevel > 0) {
			var drainChance = Math.random();
			if (drainChance < 0.05) {
				// 5% chance
				wizard.health = Math.min(wizard.health + 10, wizard.maxHealth);
				updateHealthBar();
				// Visual feedback for life drain
				LK.effects.flashObject(wizard, 0x00FF00, 300);
			}
		}
		// Clear selected enemy if this was the target
		if (selectedEnemy === self) {
			selectedEnemy = null;
		}
		// Remove from ogres array
		for (var i = ogres.length - 1; i >= 0; i--) {
			if (ogres[i] === self) {
				ogres.splice(i, 1);
				break;
			}
		}
		self.destroy();
		LK.setScore(LK.getScore() + 15);
	};
	return self;
});
var Projectile = Container.expand(function () {
	var self = Container.call(this);
	// Create glowing light effect behind projectile
	var lightGlow = self.attachAsset('projectileGlow', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 2.0,
		scaleY: 2.0
	});
	lightGlow.alpha = 0.15;
	lightGlow.tint = 0x44aaff; // Blue-white glow
	// Animate the glow effect
	tween(lightGlow, {
		scaleX: 3.5,
		scaleY: 3.5,
		alpha: 0.05
	}, {
		duration: 800,
		easing: tween.easeInOut
	});
	tween(lightGlow, {
		rotation: Math.PI * 4
	}, {
		duration: 1000,
		easing: tween.linear
	});
	var projectileGraphics = self.attachAsset('projectile', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 3.0,
		scaleY: 3.0
	});
	self.speed = 50;
	self.direction = {
		x: 0,
		y: 0
	};
	self.lastIntersecting = {};
	self.targetEnemy = null; // The specific enemy this projectile should damage
	self.update = function () {
		// Move projectile
		self.x += self.direction.x * self.speed;
		self.y += self.direction.y * self.speed;
		// Rotate projectile to point towards movement direction
		var angle = Math.atan2(self.direction.y, self.direction.x);
		projectileGraphics.rotation = angle + Math.PI / 2; // Add 90 degrees so top points forward
		// Add pulsing light effect
		if (lightGlow && lightGlow.parent) {
			var pulse = 1 + Math.sin(LK.ticks * 0.3) * 0.4;
			lightGlow.scaleX = 2.0 * pulse;
			lightGlow.scaleY = 2.0 * pulse;
			var alphaFlicker = 0.1 + Math.sin(LK.ticks * 0.5) * 0.08;
			lightGlow.alpha = alphaFlicker;
		}
		// Remove if off screen
		if (self.x < -50 || self.x > 2098 || self.y < -50 || self.y > 2782) {
			self.removeFromGame();
			return;
		}
		// Only check collision with the target enemy if one is set
		if (self.targetEnemy && self.targetEnemy.parent) {
			if (!self.lastIntersecting.target) {
				self.lastIntersecting.target = false;
			}
			var currentTargetIntersecting = self.intersects(self.targetEnemy);
			if (!self.lastIntersecting.target && currentTargetIntersecting) {
				// Hit the target enemy
				self.targetEnemy.takeDamage(50);
				self.removeFromGame();
				return;
			}
			self.lastIntersecting.target = currentTargetIntersecting;
		}
	};
	self.removeFromGame = function () {
		// Remove from projectiles array
		for (var i = projectiles.length - 1; i >= 0; i--) {
			if (projectiles[i] === self) {
				projectiles.splice(i, 1);
				break;
			}
		}
		self.destroy();
	};
	return self;
});
var UpgradeMenu = Container.expand(function () {
	var self = Container.call(this);
	// Set high z-index to ensure menu appears above all game elements
	self.zIndex = 1000;
	// Cooldown system for upgrade menu
	self.cooldownDuration = 120; // 2 seconds at 60fps
	self.cooldownTimer = 0;
	// Background removed - no overlay needed
	// Title text
	var titleText = new Text2('UPGRADES', {
		size: 120,
		fill: 0xFFD700,
		font: "monospace"
	});
	titleText.anchor.set(0.5, 0.5);
	titleText.x = 2048 / 2;
	titleText.y = 1050;
	self.addChild(titleText);
	// Initialize upgrade cost
	self.upgradeCost = 5;
	// Store references to upgrade text elements for updates
	self.upgradeTextElements = [];
	// Upgrade options - expanded to 10 upgrades
	var upgradeOptions = [{
		name: 'SHIELD',
		description: 'Block 1 attack'
	}, {
		name: 'HEALTH BOOST',
		description: 'More health'
	}, {
		name: 'LIFE DRAIN',
		description: '5% chance +10 HP'
	}, {
		name: 'ENERGY SPHERE',
		description: 'Auto-attack every 3s'
	}, {
		name: 'FORCE PUSH',
		description: 'Push enemies back'
	}, {
		name: 'SPELL POWER',
		description: '+25% damage'
	}, {
		name: 'REGENERATION',
		description: 'Heal 5 HP/sec'
	}, {
		name: 'MULTI SHOT',
		description: 'Hit 3 enemies'
	}, {
		name: 'FROST ARMOR',
		description: 'Slow attackers'
	}, {
		name: 'MANA SHIELD',
		description: 'Double shield'
	}];
	// Create upgrade buttons in 2x5 grid layout
	for (var i = 0; i < upgradeOptions.length; i++) {
		var upgrade = upgradeOptions[i];
		// Calculate position in 2-row, 5-column grid
		var col = i % 5; // Column (0-4)
		var row = Math.floor(i / 5); // Row (0-1)
		var xPos = 2048 / 2 - 800 + col * 400; // Space 5 upgrades across screen width
		var yPos = 1200 + row * 300; // Two rows with vertical spacing
		// Upgrade button background
		var upgradeBtn = self.attachAsset('pathSelector', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: xPos,
			y: yPos,
			scaleX: 5,
			scaleY: 3.5
		});
		upgradeBtn.upgradeIndex = i;
		upgradeBtn.tint = 0x8B008B;
		// Upgrade text
		var upgradeText = new Text2(upgrade.name + '\n' + upgrade.description + '\nCost: ' + self.upgradeCost + ' coins', {
			size: 35,
			fill: 0xFFFFFF,
			font: "monospace"
		});
		upgradeText.anchor.set(0.5, 0.5);
		upgradeText.x = xPos;
		upgradeText.y = yPos;
		upgradeText.upgradeIndex = i; // Store upgrade index for reference
		upgradeText.upgradeName = upgrade.name;
		upgradeText.upgradeDescription = upgrade.description;
		self.addChild(upgradeText);
		self.upgradeTextElements.push(upgradeText); // Store reference for updates
	}
	// Close button
	var closeBtn = self.attachAsset('coin', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: 1900,
		scaleX: 2,
		scaleY: 2
	});
	closeBtn.tint = 0xFF0000;
	var closeText = new Text2('CLOSE', {
		size: 80,
		fill: 0xFFFFFF,
		font: "monospace"
	});
	closeText.anchor.set(0.5, 0.5);
	closeText.x = 2048 / 2;
	closeText.y = 1900;
	self.addChild(closeText);
	// Method to update upgrade text with new costs
	self.updateUpgradeCosts = function () {
		for (var i = 0; i < self.upgradeTextElements.length; i++) {
			var textElement = self.upgradeTextElements[i];
			textElement.setText(textElement.upgradeName + '\n' + textElement.upgradeDescription + '\nCost: ' + self.upgradeCost + ' coins');
		}
	};
	// Update method for cooldown timer
	self.update = function () {
		if (self.cooldownTimer > 0) {
			self.cooldownTimer--;
			// Apply visual feedback during cooldown
			var cooldownAlpha = 0.3 + self.cooldownTimer / self.cooldownDuration * 0.7;
			self.alpha = cooldownAlpha;
		} else {
			self.alpha = 1.0; // Full opacity when cooldown is over
		}
	};
	// Handle upgrade purchases
	self.down = function (x, y, obj) {
		// Check if cooldown is active
		if (self.cooldownTimer > 0) {
			// Flash red to indicate cooldown is active
			LK.effects.flashScreen(0xFF0000, 200);
			return; // Exit early if cooldown is active
		}
		// Determine which upgrade was clicked based on grid position (2x5 layout)
		var upgradeIndex = -1;
		// Check which grid cell was clicked
		for (var i = 0; i < 10; i++) {
			var col = i % 5; // Column (0-4)
			var row = Math.floor(i / 5); // Row (0-1)
			var cellX = 2048 / 2 - 800 + col * 400; // Calculate cell center X
			var cellY = 1200 + row * 300; // Calculate cell center Y
			var cellWidth = 300; // Touch area width
			var cellHeight = 200; // Touch area height
			// Check if click is within this cell
			if (x >= cellX - cellWidth / 2 && x <= cellX + cellWidth / 2 && y >= cellY - cellHeight / 2 && y <= cellY + cellHeight / 2) {
				upgradeIndex = i;
				break;
			}
		}
		// Check if upgrade button was clicked
		if (upgradeIndex !== -1) {
			// Close menu immediately when any upgrade option is selected
			self.closeMenu();
			var currentCost = self.upgradeCost || 5; // Use dynamic cost or default to 5
			if (coinCounter >= currentCost) {
				coinCounter -= currentCost;
				coinText.setText('Coins: ' + coinCounter);
				// Apply upgrade based on index
				switch (upgradeIndex) {
					case 0:
						// Shield - give one-time protection
						if (!wizard.shieldActive) {
							wizard.shieldActive = false;
						}
						wizard.shieldActive = true;
						// Visual feedback for shield activation
						LK.effects.flashObject(wizard, 0x00BFFF, 500);
						// Add shield activation animation effect
						tween(wizard.shieldGraphics, {
							scaleX: 5,
							scaleY: 5,
							alpha: 1.0
						}, {
							duration: 400,
							easing: tween.easeOut,
							onFinish: function onFinish() {
								tween(wizard.shieldGraphics, {
									scaleX: 3,
									scaleY: 3,
									alpha: 0.7
								}, {
									duration: 300,
									easing: tween.easeIn
								});
							}
						});
						break;
					case 1:
						// Health Boost
						wizard.maxHealth += 30;
						wizard.health = Math.min(wizard.health + 30, wizard.maxHealth);
						updateHealthBar();
						break;
					case 2:
						// Life Drain - enable health restoration on kill
						if (!wizard.lifeDrainLevel) {
							wizard.lifeDrainLevel = 0;
						}
						wizard.lifeDrainLevel++;
						break;
					case 3:
						// Energy Sphere - create orbiting energy sphere
						if (!wizard.energySphere) {
							wizard.energySphere = game.addChild(new EnergyOrb());
							// Visual feedback for energy sphere activation
							LK.effects.flashObject(wizard, 0x00FFFF, 500);
						}
						break;
					case 4:
						// Force Push - push all enemies backward every 4 seconds
						if (!wizard.forcePushLevel) {
							wizard.forcePushLevel = 0;
							wizard.forcePushTimer = 0;
						}
						wizard.forcePushLevel++;
						// Visual feedback for force push
						LK.effects.flashObject(wizard, 0xFFFF00, 500);
						break;
					case 5:
						// Spell Power - increase damage
						if (!wizard.spellPowerLevel) {
							wizard.spellPowerLevel = 0;
						}
						wizard.spellPowerLevel++;
						// Visual feedback for spell power
						LK.effects.flashObject(wizard, 0xFF4500, 500);
						break;
					case 6:
						// Regeneration - heal over time
						if (!wizard.regenerationLevel) {
							wizard.regenerationLevel = 0;
						}
						wizard.regenerationLevel++;
						// Visual feedback for regeneration
						LK.effects.flashObject(wizard, 0x90EE90, 500);
						break;
					case 7:
						// Multi Shot - hit multiple enemies
						if (!wizard.multiShotLevel) {
							wizard.multiShotLevel = 0;
						}
						wizard.multiShotLevel++;
						// Visual feedback for multi shot
						LK.effects.flashObject(wizard, 0xFF1493, 500);
						break;
					case 8:
						// Frost Armor - slow attackers
						if (!wizard.frostArmorLevel) {
							wizard.frostArmorLevel = 0;
						}
						wizard.frostArmorLevel++;
						// Visual feedback for frost armor
						LK.effects.flashObject(wizard, 0x87CEEB, 500);
						break;
					case 9:
						// Mana Shield - enhanced shield
						if (!wizard.manaShieldLevel) {
							wizard.manaShieldLevel = 0;
						}
						wizard.manaShieldLevel++;
						wizard.shieldActive = true; // Activate shield immediately
						// Visual feedback for mana shield
						LK.effects.flashObject(wizard, 0x9932CC, 500);
						break;
				}
				// Visual feedback - flash the upgrade area green
				LK.effects.flashScreen(0x00FF00, 300);
			} else {
				// Not enough coins - flash red
				LK.effects.flashScreen(0xFF0000, 300);
			}
		} else if (y >= 1750 && y <= 2050) {
			// Close button area clicked
			self.closeMenu();
		}
	};
	self.closeMenu = function () {
		self.visible = false;
		gameStarted = true;
		// Resume appropriate music based on game progress
		if (enemyKillCounter >= 25) {
			LK.playMusic('mysticalAmbient', {
				volume: 0.6,
				fade: {
					start: 0,
					end: 0.6,
					duration: 1000
				}
			});
		} else if (enemyKillCounter >= 10) {
			LK.playMusic('epicBattle', {
				volume: 0.8,
				fade: {
					start: 0,
					end: 0.8,
					duration: 1000
				}
			});
		} else {
			LK.playMusic('medievalTheme', {
				volume: 0.7,
				fade: {
					start: 0,
					end: 0.7,
					duration: 1000
				}
			});
		}
	};
	return self;
});
var Wizard = Container.expand(function () {
	var self = Container.call(this);
	// Animation system for wizard
	self.currentFrame = 1;
	self.animationTimer = 0;
	self.animationSpeed = 18; // Change frame every 18 ticks (300ms at 60fps)
	// Create all wizard graphics frames and store them
	self.wizardFrames = [];
	for (var i = 1; i <= 4; i++) {
		var frameGraphics = self.attachAsset('wizard' + i, {
			anchorX: 0.5,
			anchorY: 1.0,
			scaleX: 2.5,
			scaleY: 2.5
		});
		frameGraphics.visible = i === 1; // Only show first frame initially
		self.wizardFrames.push(frameGraphics);
	}
	// Create shield visual effect
	self.shieldGraphics = self.attachAsset('shield', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 3,
		scaleY: 3
	});
	self.shieldGraphics.alpha = 0.7;
	self.shieldGraphics.visible = false;
	self.attackCooldown = 0;
	self.level = 1;
	self.experience = 0;
	self.health = 100;
	self.maxHealth = 100;
	self.spellPowerLevel = 0; // Track spell power upgrades
	self.shieldActive = false; // Track shield status
	self.update = function () {
		// Pause all upgrades when upgrade menu is visible
		if (upgradeMenu && upgradeMenu.visible) {
			return;
		}
		if (self.attackCooldown > 0) {
			self.attackCooldown--;
		}
		// Update shield visibility based on shield status
		self.shieldGraphics.visible = self.shieldActive;
		if (self.shieldActive) {
			// Animate shield with pulsing effect
			var pulse = 1 + Math.sin(LK.ticks * 0.15) * 0.2;
			self.shieldGraphics.scaleX = 3 * pulse;
			self.shieldGraphics.scaleY = 3 * pulse;
			// Slowly rotate shield
			self.shieldGraphics.rotation += 0.03;
			// Add glowing effect
			self.shieldGraphics.alpha = 0.6 + Math.sin(LK.ticks * 0.1) * 0.2;
		}
		// Force Push upgrade - push all enemies backward every 4 seconds
		if (self.forcePushLevel && self.forcePushLevel > 0) {
			if (!self.forcePushTimer) {
				self.forcePushTimer = 0;
			}
			self.forcePushTimer++;
			if (self.forcePushTimer >= 240) {
				// 4 seconds at 60fps
				self.forcePushTimer = 0;
				self.activateForcePush();
			}
		}
		// Animation system - cycle through wizard frames
		self.animationTimer++;
		if (self.animationTimer >= self.animationSpeed) {
			self.animationTimer = 0;
			// Hide current frame
			self.wizardFrames[self.currentFrame - 1].visible = false;
			// Move to next frame
			self.currentFrame++;
			if (self.currentFrame > 4) {
				self.currentFrame = 1;
			}
			// Show new frame
			self.wizardFrames[self.currentFrame - 1].visible = true;
		}
	};
	self.attack = function (direction) {
		if (self.attackCooldown <= 0) {
			// Default direction if none specified
			if (direction === undefined) {
				direction = 0; // Default to center path
			}
			// Get attack angle based on path direction
			var attackAngle = pathAngles[direction];
			var attackDistance = 100;
			// Calculate spell position based on attack direction
			var spellX = self.x + Math.cos(attackAngle) * attackDistance;
			var spellY = self.y + Math.sin(attackAngle) * attackDistance;
			// Create spell effect
			var spell = game.addChild(LK.getAsset('spell', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: spellX,
				y: spellY,
				scaleX: 0.5,
				scaleY: 0.5
			}));
			// Animate spell with magical effects
			tween(spell, {
				scaleX: 2,
				scaleY: 2,
				alpha: 0
			}, {
				duration: 500,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					spell.destroy();
				}
			});
			// Add rotation animation to spell
			tween(spell, {
				rotation: Math.PI * 2
			}, {
				duration: 500,
				easing: tween.linear
			});
			self.attackCooldown = 30; // 0.5 seconds at 60fps
			LK.getSound('spellCast').play();
			// Base damage without spell power upgrades
			var totalDamage = 50;
			// Attack enemies in the specified direction/path
			for (var i = enemies.length - 1; i >= 0; i--) {
				var enemy = enemies[i];
				if (enemy.pathIndex === direction) {
					// Only hit enemies on exact same path - no distance validation
					enemy.takeDamage(totalDamage);
				}
			}
			// Attack ogres in the specified direction/path
			for (var i = ogres.length - 1; i >= 0; i--) {
				var ogre = ogres[i];
				if (ogre.pathIndex === direction) {
					// Only hit ogres on exact same path - no distance validation
					ogre.takeDamage(totalDamage);
				}
			}
			// Attack knights in the specified direction/path
			for (var i = knights.length - 1; i >= 0; i--) {
				var knight = knights[i];
				if (knight.pathIndex === direction) {
					// Only hit knights on exact same path - no distance validation
					knight.takeDamage(totalDamage);
				}
			}
			return true;
		}
		return false;
	};
	self.gainExperience = function (amount) {
		self.experience += amount;
		var expNeeded = self.level * 100;
		if (self.experience >= expNeeded) {
			self.levelUp();
		}
	};
	self.levelUp = function () {
		self.level++;
		self.experience = 0;
		// Visual level up effect
		LK.effects.flashObject(self, 0xFFD700, 500);
	};
	self.takeDamage = function (damage) {
		// Check if shield is active
		if (self.shieldActive) {
			// Shield blocks the damage
			self.shieldActive = false;
			// Visual feedback for shield use
			LK.effects.flashObject(self, 0x00BFFF, 300);
			// Start shield regeneration timer (10 seconds)
			tween({}, {}, {
				duration: 10000,
				// 10 seconds
				onFinish: function onFinish() {
					// Regenerate shield after 10 seconds
					self.shieldActive = true;
					// Visual feedback for shield regeneration
					LK.effects.flashObject(self, 0x00BFFF, 500);
					// Add shield regeneration animation
					tween(self.shieldGraphics, {
						scaleX: 5,
						scaleY: 5,
						alpha: 1.0
					}, {
						duration: 600,
						easing: tween.easeOut,
						onFinish: function onFinish() {
							tween(self.shieldGraphics, {
								scaleX: 3,
								scaleY: 3,
								alpha: 0.7
							}, {
								duration: 400,
								easing: tween.easeIn
							});
						}
					});
				}
			});
			// No damage taken, shield absorbed it
			return;
		}
		self.health -= damage;
		if (self.health <= 0) {
			self.health = 0;
			// Game over when health reaches 0
			LK.effects.flashScreen(0xFF0000, 1000);
			LK.showGameOver();
		}
		// Update health bar
		updateHealthBar();
		// Flash red when hit
		LK.effects.flashObject(self, 0xFF0000, 200);
	};
	self.activateForcePush = function () {
		// Visual effect for force push activation
		LK.effects.flashScreen(0x8A2BE2, 300); // Purple flash
		LK.effects.flashObject(self, 0x8A2BE2, 500); // Purple flash on wizard
		// Push back all enemies
		var allEnemies = enemies.concat(ogres).concat(knights);
		for (var i = 0; i < allEnemies.length; i++) {
			var enemy = allEnemies[i];
			// Calculate direction from wizard to enemy
			var dx = enemy.x - self.x;
			var dy = enemy.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance > 0) {
				// Normalize direction and calculate push distance
				var pushDistance = 200; // Distance to push enemies back
				var pushX = dx / distance * pushDistance;
				var pushY = dy / distance * pushDistance;
				// Calculate new position
				var newX = enemy.x + pushX;
				var newY = enemy.y + pushY;
				// Ensure enemies don't go off screen
				newX = Math.max(50, Math.min(1998, newX));
				newY = Math.max(-100, Math.min(2732, newY));
				// Animate the push effect
				tween(enemy, {
					x: newX,
					y: newY
				}, {
					duration: 300,
					easing: tween.easeOut
				});
				// Visual effect on each enemy
				LK.effects.flashObject(enemy, 0x8A2BE2, 200);
			}
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000000 // Black background for pixel art
});

/**** 
* Game Code
****/ 
// Game state variables
var gameStarted = false;
var gameMenu;
var upgradeMenu;
var upgradeMenuShown = false;
var secondUpgradeMenuShown = false;
var thirdUpgradeMenuShown = false;
var selectedEnemy = null; // Track currently selected enemy for projectile targeting
var energySphere = null; // Track energy sphere instance
// Game arrays to track objects
var enemies = [];
var ogres = [];
var knights = [];
var coins = [];
var projectiles = [];
// Create and show game menu
gameMenu = game.addChild(new GameMenu());
// Create upgrade menu (initially hidden)
upgradeMenu = game.addChild(new UpgradeMenu());
upgradeMenu.visible = false;
// Create 5 stone paths leading toward the wizard position
var paths = [];
var knightX = 2048 / 2;
var knightY = 2732 - 250;
// Create paths: all pointing toward the wizard position
var pathAngles = [-Math.PI / 2,
// Center (straight down toward wizard)
-Math.PI / 3,
// Diagonal right toward wizard
-2 * Math.PI / 3,
// Diagonal left toward wizard
Math.PI / 6,
// Path 4: opposite to path 2 (diagonal left)
5 * Math.PI / 6 // Path 5: opposite to path 3 (diagonal right)
]; // 5 paths: all directed toward wizard position
// Create multiple stone segments for each path to form visible stone roads
for (var p = 0; p < 5; p++) {
	var angle = pathAngles[p];
	// Calculate distance from spawn point to wizard position
	var wizardX = knightX;
	var wizardY = 2732 - 600; // Wizard position
	var spawnDistance = p === 0 ? 2000 : p === 3 || p === 4 ? 1200 : 1800; // Distance from wizard to spawn point
	// Set spawn points to screen edges for all paths
	var spawnX, spawnY;
	if (p === 0) {
		// Center path - spawn at top edge
		spawnX = 2048 / 2;
		spawnY = -100;
	} else if (p === 1) {
		// Path 2 - spawn at top right edge
		spawnX = 2048 + 50;
		spawnY = -50;
	} else if (p === 2) {
		// Path 3 - spawn at top left edge
		spawnX = -50;
		spawnY = -50;
	} else if (p === 3) {
		// Path 4 - spawn at left edge
		spawnX = -100;
		spawnY = 2732 / 2 + 400;
	} else if (p === 4) {
		// Path 5 - spawn at right edge
		spawnX = 2048 + 100;
		spawnY = 2732 / 2 + 400;
	}
	// Calculate actual path length from spawn point to wizard
	var actualPathLength = Math.sqrt((spawnX - wizardX) * (spawnX - wizardX) + (spawnY - wizardY) * (spawnY - wizardY));
	var segmentSize = 120; // Size of each stone segment
	var numSegments = Math.floor(actualPathLength / segmentSize);
	// Create individual stone segments along the path from spawn point toward wizard
	for (var s = 0; s < numSegments; s++) {
		var segmentDistance = s * segmentSize + segmentSize / 2;
		var segmentX = spawnX - Math.cos(angle) * segmentDistance;
		var segmentY = spawnY - Math.sin(angle) * segmentDistance;
		// Only create segments that are within the visible game area
		if (segmentX >= -100 && segmentX <= 2148 && segmentY >= -100 && segmentY <= 2832) {
			// Create stone path segment
			var stoneSegment = game.addChild(LK.getAsset('stonePath', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: segmentX,
				y: segmentY,
				scaleX: 2.0,
				scaleY: 2.0,
				rotation: angle + Math.PI / 2 // Rotate stone to align with path
			}));
			// Make stone paths completely invisible
			stoneSegment.alpha = 0; // Make completely invisible
			stoneSegment.visible = false; // Initially hidden, will be shown when game starts
			stoneSegment.pathIndex = p;
		}
	}
}
// Create invisible path collision areas for touch detection
for (var p = 0; p < 5; p++) {
	var angle = pathAngles[p];
	// Calculate distance from spawn point to wizard position
	var wizardX = knightX;
	var wizardY = 2732 - 600; // Wizard position
	var spawnDistance = p === 0 ? 3000 : p === 3 || p === 4 ? 1200 : 1800; // Distance from wizard to spawn point
	var spawnX = wizardX + Math.cos(angle) * spawnDistance;
	var spawnY = wizardY + Math.sin(angle) * spawnDistance;
	// Move all spawn points to screen edges
	if (p === 0) {
		// Center path - spawn at top edge
		spawnX = 2048 / 2;
		spawnY = -100;
	} else if (p === 1) {
		// Path 2 - spawn at top right edge
		spawnX = 2048 + 50;
		spawnY = -50;
	} else if (p === 2) {
		// Path 3 - spawn at top left edge
		spawnX = -50;
		spawnY = -50;
	} else if (p === 3) {
		// Path 4 - spawn at left edge
		spawnX = -100;
		spawnY = 2732 / 2 + 400;
	} else if (p === 4) {
		// Path 5 - spawn at right edge
		spawnX = 2048 + 100;
		spawnY = 2732 / 2 + 400;
	}
	// Calculate actual path length from spawn point to wizard
	var actualPathLength = Math.sqrt((spawnX - wizardX) * (spawnX - wizardX) + (spawnY - wizardY) * (spawnY - wizardY));
	var centerX = (spawnX + wizardX) / 2;
	var centerY = (spawnY + wizardY) / 2;
	// Create invisible collision path
	var path = game.addChild(LK.getAsset('pathSelector', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: centerX,
		y: centerY,
		scaleX: 4,
		scaleY: actualPathLength / 60,
		rotation: angle + Math.PI / 2
	}));
	// Make collision path completely invisible
	path.alpha = 0;
	path.visible = false;
	path.pathIndex = p;
	// Add numbered text label for each path
	var pathNumber = new Text2((p + 1).toString(), {
		size: 120,
		fill: 0xFFD700,
		font: "monospace"
	});
	pathNumber.anchor.set(0.5, 0.5);
	// Position number directly at spawn point
	pathNumber.x = spawnX;
	pathNumber.y = spawnY - 80; // Position slightly above spawn point
	pathNumber.visible = false; // Initially hidden, will be shown when game starts
	pathNumber.pathIndex = p;
	game.addChild(pathNumber);
	// Add touch handler for directional attacks
	path.down = function (x, y, obj) {
		// Attack in this path's direction
		wizard.attack(obj.pathIndex);
		// Visual feedback - no flash for invisible paths
		// Paths remain invisible when tapped
	};
	paths.push(path);
}
// Pixel art scaling handled by engine automatically
// Set fondodelacueva as the actual game background
var backgroundMap = game.addChild(LK.getAsset('fondodelacueva', {
	anchorX: 0,
	anchorY: 0,
	scaleX: 19.5,
	scaleY: 26.0,
	x: 0,
	y: 0
}));
// Send background to the back but use a less extreme z-index
backgroundMap.zIndex = -100;
// Hide background initially during menu
backgroundMap.visible = false;
backgroundMap.alpha = 1.0;
// Create wizard
var wizard = game.addChild(new Wizard());
wizard.x = knightX;
wizard.y = 2732 - 600; // Position wizard higher on screen
wizard.visible = false;
// UI Elements
// Removed scoreText and levelText to eliminate stray characters in top right
var coinCounter = 0;
var enemyKillCounter = 0;
var coinText = new Text2('Coins: 0', {
	size: 60,
	fill: 0xFFD700,
	font: "monospace"
});
coinText.anchor.set(0, 0);
LK.gui.topLeft.addChild(coinText);
coinText.x = 120;
coinText.y = 90;
coinText.visible = false;
var killCountText = new Text2('Puntuacion: 0', {
	size: 60,
	fill: 0xFF6B6B,
	font: "monospace"
});
killCountText.anchor.set(0, 0);
LK.gui.topLeft.addChild(killCountText);
killCountText.x = 120;
killCountText.y = 150;
killCountText.visible = false;
var tapText = new Text2('TAP TO CAST SPELLS!', {
	size: 100,
	fill: 0xFF6B6B,
	font: "monospace"
});
tapText.anchor.set(0.5, 0.5);
LK.gui.center.addChild(tapText);
tapText.y = -200;
tapText.visible = false;
// Health bar UI
var healthBarBg = LK.getAsset('healthBarBg', {
	anchorX: 0,
	anchorY: 0
});
LK.gui.topLeft.addChild(healthBarBg);
healthBarBg.x = 120;
healthBarBg.y = 20;
healthBarBg.visible = false;
var healthBar = LK.getAsset('healthBar', {
	anchorX: 0,
	anchorY: 0
});
LK.gui.topLeft.addChild(healthBar);
healthBar.x = 120;
healthBar.y = 20;
healthBar.visible = false;
var healthText = new Text2('Health: 100/100', {
	size: 50,
	fill: 0xFFFFFF,
	font: "monospace"
});
healthText.anchor.set(0, 0);
LK.gui.topLeft.addChild(healthText);
healthText.x = 120;
healthText.y = 50;
healthText.visible = false;
function updateHealthBar() {
	var healthPercent = wizard.health / wizard.maxHealth;
	healthBar.scaleX = healthPercent;
	healthText.setText('Health: ' + wizard.health + '/' + wizard.maxHealth);
	// Change color based on health
	if (healthPercent > 0.6) {
		healthBar.tint = 0x00ff00; // Green
	} else if (healthPercent > 0.3) {
		healthBar.tint = 0xffff00; // Yellow
	} else {
		healthBar.tint = 0xff0000; // Red
	}
}
// Enemy spawning variables
var enemySpawnTimer = 0;
var lastSpawnedPath = -1; // Track the last spawned path
var consecutiveSpawns = 0; // Track consecutive spawns from same path
// Cooldown system variables
var pathLastSpawnTime = [-1, -1, -1, -1, -1]; // Track last spawn time for each path
var pathConsecutiveSpawns = [0, 0, 0, 0, 0]; // Track consecutive spawns per path
var pathCooldownDuration = 300; // 5 seconds at 60fps
// Game input handling
game.down = function (x, y, obj) {
	// Check if a path was tapped for directional attack
	var pathTapped = false;
	for (var p = 0; p < paths.length; p++) {
		var path = paths[p];
		// Convert tap position to path's local coordinates
		var localPos = path.toLocal({
			x: x,
			y: y
		});
		// Check if tap is within path bounds
		if (Math.abs(localPos.x) < path.width / 2 && Math.abs(localPos.y) < path.height / 2) {
			// Attack in this path's direction
			wizard.attack(path.pathIndex);
			pathTapped = true;
			break;
		}
	}
	// No default attack - player must tap a path to attack
};
// Main game update loop
game.update = function () {
	// Sort children by z-index to ensure proper rendering order
	game.children.sort(function (a, b) {
		return (a.zIndex || 0) - (b.zIndex || 0);
	});
	// Only update game logic if game has started
	if (!gameStarted) {
		return;
	}
	// Change music to epic battle theme at 10 enemies killed
	if (enemyKillCounter === 10) {
		LK.playMusic('epicBattle', {
			volume: 0.8,
			fade: {
				start: 0,
				end: 0.8,
				duration: 1500
			}
		});
	}
	// Change to mystical ambient music at 25 enemies killed
	if (enemyKillCounter === 25) {
		LK.playMusic('mysticalAmbient', {
			volume: 0.6,
			fade: {
				start: 0,
				end: 0.6,
				duration: 2000
			}
		});
	}
	// Show upgrade menu after 12 enemies are killed
	if (enemyKillCounter >= 12 && !upgradeMenuShown) {
		upgradeMenuShown = true;
		// Increase upgrade costs by 5 coins when menu is shown
		if (!upgradeMenu.upgradeCost) {
			upgradeMenu.upgradeCost = 5; // Initial cost
		}
		upgradeMenu.upgradeCost += 5; // Increase by 5 coins each time
		// Update all upgrade text to show new costs
		upgradeMenu.updateUpgradeCosts();
		upgradeMenu.visible = true;
		upgradeMenu.cooldownTimer = upgradeMenu.cooldownDuration; // Start 2-second cooldown
		gameStarted = false; // Pause game while menu is open
		LK.stopMusic(); // Pause music
		// Clear all enemies on screen when upgrade menu is shown
		for (var i = enemies.length - 1; i >= 0; i--) {
			var enemy = enemies[i];
			enemies.splice(i, 1);
			enemy.destroy();
		}
		// Clear all ogres on screen when upgrade menu is shown
		for (var i = ogres.length - 1; i >= 0; i--) {
			var ogre = ogres[i];
			ogres.splice(i, 1);
			ogre.destroy();
		}
		// Clear all knights on screen when upgrade menu is shown
		for (var i = knights.length - 1; i >= 0; i--) {
			var knight = knights[i];
			knights.splice(i, 1);
			knight.destroy();
		}
	}
	// Show upgrade menu again after 35 enemies are killed
	if (enemyKillCounter >= 35 && upgradeMenuShown && !secondUpgradeMenuShown) {
		secondUpgradeMenuShown = true;
		// Increase upgrade costs by 5 coins when menu is shown
		if (!upgradeMenu.upgradeCost) {
			upgradeMenu.upgradeCost = 5; // Initial cost
		}
		upgradeMenu.upgradeCost += 5; // Increase by 5 coins each time
		// Update all upgrade text to show new costs
		upgradeMenu.updateUpgradeCosts();
		upgradeMenu.visible = true;
		upgradeMenu.cooldownTimer = upgradeMenu.cooldownDuration; // Start 2-second cooldown
		gameStarted = false; // Pause game while menu is open
		LK.stopMusic(); // Pause music
		// Clear all enemies on screen when upgrade menu is shown
		for (var i = enemies.length - 1; i >= 0; i--) {
			var enemy = enemies[i];
			enemies.splice(i, 1);
			enemy.destroy();
		}
		// Clear all ogres on screen when upgrade menu is shown
		for (var i = ogres.length - 1; i >= 0; i--) {
			var ogre = ogres[i];
			ogres.splice(i, 1);
			ogre.destroy();
		}
		// Clear all knights on screen when upgrade menu is shown
		for (var i = knights.length - 1; i >= 0; i--) {
			var knight = knights[i];
			knights.splice(i, 1);
			knight.destroy();
		}
	}
	// Show third upgrade menu after 50 enemies are killed
	if (enemyKillCounter >= 50 && secondUpgradeMenuShown && !thirdUpgradeMenuShown) {
		thirdUpgradeMenuShown = true;
		// Increase upgrade costs by 5 coins when menu is shown
		if (!upgradeMenu.upgradeCost) {
			upgradeMenu.upgradeCost = 5; // Initial cost
		}
		upgradeMenu.upgradeCost += 5; // Increase by 5 coins each time
		// Update all upgrade text to show new costs
		upgradeMenu.updateUpgradeCosts();
		upgradeMenu.visible = true;
		upgradeMenu.cooldownTimer = upgradeMenu.cooldownDuration; // Start 2-second cooldown
		gameStarted = false; // Pause game while menu is open
		LK.stopMusic(); // Pause music
		// Clear all enemies on screen when upgrade menu is shown
		for (var i = enemies.length - 1; i >= 0; i--) {
			var enemy = enemies[i];
			enemies.splice(i, 1);
			enemy.destroy();
		}
		// Clear all ogres on screen when upgrade menu is shown
		for (var i = ogres.length - 1; i >= 0; i--) {
			var ogre = ogres[i];
			ogres.splice(i, 1);
			ogre.destroy();
		}
		// Clear all knights on screen when upgrade menu is shown
		for (var i = knights.length - 1; i >= 0; i--) {
			var knight = knights[i];
			knights.splice(i, 1);
			knight.destroy();
		}
	}
	// Reset consecutive spawns for paths that have cooled down (runs every frame)
	for (var pathIdx = 0; pathIdx < 5; pathIdx++) {
		// Check if enough time has passed since last spawn (cooldown expired)
		if (pathLastSpawnTime[pathIdx] !== -1 && LK.ticks - pathLastSpawnTime[pathIdx] > pathCooldownDuration) {
			// Reset consecutive spawns for this path due to cooldown
			pathConsecutiveSpawns[pathIdx] = 0;
		}
	}
	// Progressive difficulty system based on kills
	var difficultyLevel = Math.floor(enemyKillCounter / 10); // Every 10 kills increases difficulty
	var currentSpawnRate = Math.max(30, 90 - difficultyLevel * 8); // Faster spawning over time
	var enemyHealthMultiplier = 1 + difficultyLevel * 0.3; // 30% more health per difficulty level
	var enemySpeedMultiplier = 1 + difficultyLevel * 0.35; // 35% faster per difficulty level
	// Spawn enemies
	enemySpawnTimer++;
	if (enemySpawnTimer >= currentSpawnRate) {
		enemySpawnTimer = 0;
		var enemy = game.addChild(new Enemy());
		// Apply difficulty scaling to enemy stats
		enemy.health = Math.floor(100 * enemyHealthMultiplier);
		enemy.maxHealth = enemy.health;
		enemy.speed = 3 * enemySpeedMultiplier;
		// Spawn enemy at a random path entrance
		var randomPathIndex;
		if (enemyKillCounter < 5) {
			// First 5 enemies spawn from center path only
			randomPathIndex = 0; // Center path
		} else {
			// After 5 enemies, spawn from any path but limit consecutive spawns with cooldown system
			// Build available paths list
			var availablePaths = [];
			for (var pathIdx = 0; pathIdx < 5; pathIdx++) {
				// If path has spawned less than 2 consecutive times, it's available
				if (pathConsecutiveSpawns[pathIdx] < 2) {
					availablePaths.push(pathIdx);
				}
			}
			// If no paths available, reset ALL paths to ensure balanced distribution
			if (availablePaths.length === 0) {
				// Reset all paths' consecutive spawn counters
				for (var pathIdx = 0; pathIdx < 5; pathIdx++) {
					pathConsecutiveSpawns[pathIdx] = 0;
					availablePaths.push(pathIdx);
				}
			}
			randomPathIndex = availablePaths[Math.floor(Math.random() * availablePaths.length)];
		}
		// Update path-specific spawn tracking
		// Always increment consecutive spawns for the selected path
		pathConsecutiveSpawns[randomPathIndex]++;
		// Update path spawn time and global tracking
		pathLastSpawnTime[randomPathIndex] = LK.ticks;
		lastSpawnedPath = randomPathIndex;
		consecutiveSpawns = pathConsecutiveSpawns[randomPathIndex];
		var pathAngle = pathAngles[randomPathIndex];
		// Store the path information on the enemy
		enemy.pathIndex = randomPathIndex;
		enemy.pathAngle = pathAngle;
		// Calculate spawn position at screen edges
		if (randomPathIndex === 0) {
			// Center path - spawn at top edge
			enemy.x = 2048 / 2;
			enemy.y = -100;
		} else if (randomPathIndex === 1) {
			// Path 2 - spawn at top right edge
			enemy.x = 2048 + 50;
			enemy.y = -50;
		} else if (randomPathIndex === 2) {
			// Path 3 - spawn at top left edge
			enemy.x = -50;
			enemy.y = -50;
		} else if (randomPathIndex === 3) {
			// Path 4 - spawn at left edge
			enemy.x = -100;
			enemy.y = 2732 / 2 + 400;
		} else if (randomPathIndex === 4) {
			// Path 5 - spawn at right edge
			enemy.x = 2048 + 100;
			enemy.y = 2732 / 2 + 400;
		}
		// Make sure enemies spawn within screen bounds
		enemy.x = Math.max(50, Math.min(1998, enemy.x));
		enemy.y = Math.max(-200, Math.min(2732 + 100, enemy.y));
		enemy.lastX = enemy.x;
		enemies.push(enemy);
	}
	// Spawn ogres after 15 seconds (900 ticks at 60fps)
	if (LK.ticks >= 900 && LK.ticks % 180 === 0) {
		// Every 3 seconds after 15 seconds
		var ogre = game.addChild(new Ogre());
		// Apply difficulty scaling to ogre stats
		ogre.health = Math.floor(150 * enemyHealthMultiplier); // Ogres have more base health
		ogre.maxHealth = ogre.health;
		ogre.speed = 2.5 * enemySpeedMultiplier; // Ogres are slightly slower
		// Spawn ogre at a random path entrance
		var ogrePathIndex = Math.floor(Math.random() * 5);
		var ogrePathAngle = pathAngles[ogrePathIndex];
		// Store the path information on the ogre
		ogre.pathIndex = ogrePathIndex;
		ogre.pathAngle = ogrePathAngle;
		// Calculate spawn position at screen edges
		if (ogrePathIndex === 0) {
			// Center path - spawn at top edge
			ogre.x = 2048 / 2;
			ogre.y = -100;
		} else if (ogrePathIndex === 1) {
			// Path 2 - spawn at top right edge
			ogre.x = 2048 + 50;
			ogre.y = -50;
		} else if (ogrePathIndex === 2) {
			// Path 3 - spawn at top left edge
			ogre.x = -50;
			ogre.y = -50;
		} else if (ogrePathIndex === 3) {
			// Path 4 - spawn at left edge
			ogre.x = -100;
			ogre.y = 2732 / 2 + 400;
		} else if (ogrePathIndex === 4) {
			// Path 5 - spawn at right edge
			ogre.x = 2048 + 100;
			ogre.y = 2732 / 2 + 400;
		}
		// Make sure ogres spawn within screen bounds
		ogre.x = Math.max(50, Math.min(1998, ogre.x));
		ogre.y = Math.max(-200, Math.min(2732 + 100, ogre.y));
		ogre.lastX = ogre.x;
		ogres.push(ogre);
	}
	// Spawn knights after 30 enemies killed
	if (enemyKillCounter >= 30 && LK.ticks % 300 === 0) {
		// Every 5 seconds after 30th enemy
		var knight = game.addChild(new Knight());
		// Apply difficulty scaling to knight stats
		knight.health = Math.floor(200 * enemyHealthMultiplier); // Knights have highest base health
		knight.maxHealth = knight.health;
		knight.speed = 2 * enemySpeedMultiplier; // Knights are slowest
		// Spawn knight at a random path entrance
		var knightPathIndex = Math.floor(Math.random() * 5);
		var knightPathAngle = pathAngles[knightPathIndex];
		// Store the path information on the knight
		knight.pathIndex = knightPathIndex;
		knight.pathAngle = knightPathAngle;
		// Calculate spawn position at screen edges
		if (knightPathIndex === 0) {
			// Center path - spawn at top edge
			knight.x = 2048 / 2;
			knight.y = -100;
		} else if (knightPathIndex === 1) {
			// Path 2 - spawn at top right edge
			knight.x = 2048 + 50;
			knight.y = -50;
		} else if (knightPathIndex === 2) {
			// Path 3 - spawn at top left edge
			knight.x = -50;
			knight.y = -50;
		} else if (knightPathIndex === 3) {
			// Path 4 - spawn at left edge
			knight.x = -100;
			knight.y = 2732 / 2 + 400;
		} else if (knightPathIndex === 4) {
			// Path 5 - spawn at right edge
			knight.x = 2048 + 100;
			knight.y = 2732 / 2 + 400;
		}
		// Make sure knights spawn within screen bounds
		knight.x = Math.max(50, Math.min(1998, knight.x));
		knight.y = Math.max(-200, Math.min(2732 + 100, knight.y));
		knight.lastX = knight.x;
		knights.push(knight);
	}
	// Check enemy-knight collisions and cleanup off-screen enemies
	for (var i = enemies.length - 1; i >= 0; i--) {
		var enemy = enemies[i];
		// Remove enemies that went off-screen at bottom
		if (enemy.y > 2732 + 100) {
			enemies.splice(i, 1);
			enemy.destroy();
			continue;
		}
		// Initialize lastIntersecting if not set
		if (enemy.lastIntersecting === undefined) {
			enemy.lastIntersecting = false;
		}
		// Check for collision transition
		var currentIntersecting = enemy.intersects(wizard);
		if (!enemy.lastIntersecting && currentIntersecting) {
			// Damage wizard when enemy touches for the first time
			wizard.takeDamage(20);
			// Remove enemy after dealing damage
			enemies.splice(i, 1);
			enemy.destroy();
			continue;
		}
		// Update last intersecting state
		enemy.lastIntersecting = currentIntersecting;
	}
	// Check ogre-wizard collisions and cleanup off-screen ogres
	for (var i = ogres.length - 1; i >= 0; i--) {
		var ogre = ogres[i];
		// Remove ogres that went off-screen at bottom
		if (ogre.y > 2732 + 100) {
			ogres.splice(i, 1);
			ogre.destroy();
			continue;
		}
		// Initialize lastIntersecting if not set
		if (ogre.lastIntersecting === undefined) {
			ogre.lastIntersecting = false;
		}
		// Check for collision transition
		var currentOgreIntersecting = ogre.intersects(wizard);
		if (!ogre.lastIntersecting && currentOgreIntersecting) {
			// Damage wizard when ogre touches for the first time
			wizard.takeDamage(30); // Ogres deal 30 damage
			// Remove ogre after dealing damage
			ogres.splice(i, 1);
			ogre.destroy();
			continue;
		}
		// Update last intersecting state
		ogre.lastIntersecting = currentOgreIntersecting;
	}
	// Check knight-wizard collisions and cleanup off-screen knights
	for (var i = knights.length - 1; i >= 0; i--) {
		var knight = knights[i];
		// Remove knights that went off-screen at bottom
		if (knight.y > 2732 + 100) {
			knights.splice(i, 1);
			knight.destroy();
			continue;
		}
		// Initialize lastIntersecting if not set
		if (knight.lastIntersecting === undefined) {
			knight.lastIntersecting = false;
		}
		// Check for collision transition
		var currentKnightIntersecting = knight.intersects(wizard);
		if (!knight.lastIntersecting && currentKnightIntersecting) {
			// Damage wizard when knight touches for the first time
			wizard.takeDamage(40); // Knights deal 40 damage
			// Remove knight after dealing damage
			knights.splice(i, 1);
			knight.destroy();
			continue;
		}
		// Update last intersecting state
		knight.lastIntersecting = currentKnightIntersecting;
	}
	// Make tap text pulse
	var pulse = 1 + Math.sin(LK.ticks * 0.1) * 0.2;
	tapText.scale.set(pulse, pulse);
};
// Remove tap text after 5 seconds
tween({}, {}, {
	duration: 5000,
	onFinish: function onFinish() {
		if (tapText && tapText.parent) {
			tapText.destroy();
		}
	}
});

===================================================================
--- original.js
+++ change.js
@@ -330,8 +330,12 @@
 	self.attackInterval = 180; // 3 seconds at 60fps
 	self.orbitalAngle = 0;
 	self.orbitalRadius = 120;
 	self.update = function () {
+		// Pause energy orb when upgrade menu is visible
+		if (upgradeMenu && upgradeMenu.visible) {
+			return;
+		}
 		// Keep sphere at wizard's position (stationary relative to wizard)
 		if (wizard) {
 			self.x = wizard.x + 140; // Position further to the right side of wizard
 			self.y = wizard.y - 20; // Position slightly lower relative to wizard
@@ -1383,8 +1387,12 @@
 	self.maxHealth = 100;
 	self.spellPowerLevel = 0; // Track spell power upgrades
 	self.shieldActive = false; // Track shield status
 	self.update = function () {
+		// Pause all upgrades when upgrade menu is visible
+		if (upgradeMenu && upgradeMenu.visible) {
+			return;
+		}
 		if (self.attackCooldown > 0) {
 			self.attackCooldown--;
 		}
 		// Update shield visibility based on shield status