/**** 
* 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 = 1;
	self.maxHealth = 1;
	self.speed = 7;
	// Note: health, maxHealth and speed will be overridden by difficulty system
	self.lastX = 0;
	self.frozen = false;
	self.frozenTimer = 0;
	self.update = function () {
		// Skip all movement and collision if enemy is dying
		if (self.isDying) {
			return;
		}
		// 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
			});
		}
		// Handle frozen state
		if (self.frozen) {
			self.frozenTimer--;
			if (self.frozenTimer <= 0) {
				self.frozen = false;
			}
			return; // Skip movement when frozen
		}
		// 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);
		// Create impact effect
		var impactEffect = game.addChild(LK.getAsset('projectileGlow', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: self.x,
			y: self.y,
			scaleX: 0.5,
			scaleY: 0.5
		}));
		impactEffect.tint = 0xFFFFFF;
		impactEffect.alpha = 0.9;
		// Animate impact effect
		tween(impactEffect, {
			scaleX: 2.5,
			scaleY: 2.5,
			alpha: 0
		}, {
			duration: 300,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				impactEffect.destroy();
			}
		});
		// Return to walking animation after brief attacking animation
		tween({}, {}, {
			duration: 300,
			onFinish: function onFinish() {
				if (self.animationState === 'attacking') {
					self.animationState = 'walking';
				}
			}
		});
		// Check if enemy should die based on health
		if (self.health <= 0) {
			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();
		// Start death animation sequence
		self.isDying = true;
		// Animate enemy death with fade out and scale down
		tween(self, {
			alpha: 0,
			scaleX: 0.3,
			scaleY: 0.3,
			rotation: Math.PI * 0.5
		}, {
			duration: 800,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				// After death animation completes, execute all death logic
				// 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 - 20% chance to give 20 HP
				if (wizard.lifeDrainLevel && wizard.lifeDrainLevel > 0) {
					var drainChance = Math.random();
					if (drainChance < 0.20) {
						// 20% chance
						wizard.health = Math.min(wizard.health + 20, wizard.maxHealth); // Always give 20 HP
						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 (but never with wizard)
		if (self.targetEnemy && self.targetEnemy.parent && self.targetEnemy !== wizard) {
			var currentIntersecting = self.intersects(self.targetEnemy);
			if (!self.lastIntersecting && currentIntersecting) {
				// Hit the target enemy
				// Calculate damage based on spell power upgrade
				var damage = 100;
				if (wizard && wizard.spellPowerLevel && wizard.spellPowerLevel > 0) {
					// Check if target is an ogre and we're before enemy 35
					if (self.targetEnemy && self.targetEnemy.ogreFrames && enemyKillCounter < 35) {
						// Always kill ogres in one hit until enemy 35
						damage = self.targetEnemy.health + 1; // Ensure one-hit kill
					} else {
						damage = 200; // Double damage when spell power is active
					}
				}
				self.targetEnemy.takeDamage(damage);
				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 - keep original interval regardless of upgrades
		self.attackTimer++;
		if (self.attackTimer >= 180) {
			// Fixed at 3 seconds
			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).concat(miniBosses);
		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 FireBall = Container.expand(function () {
	var self = Container.call(this);
	// Create fire ball visual using projectile glow with fire colors
	var fireBallGraphics = self.attachAsset('projectileGlow', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1.5,
		scaleY: 1.5
	});
	fireBallGraphics.tint = 0xFF4500; // Orange-red fire color
	fireBallGraphics.alpha = 0.9;
	self.speed = 40;
	self.direction = {
		x: 0,
		y: 0
	};
	self.lastIntersecting = {};
	self.update = function () {
		// Move fire ball
		self.x += self.direction.x * self.speed;
		self.y += self.direction.y * self.speed;
		// Add fire flickering effect
		var flicker = 1 + Math.sin(LK.ticks * 0.4) * 0.3;
		fireBallGraphics.scaleX = 1.5 * flicker;
		fireBallGraphics.scaleY = 1.5 * flicker;
		// Rotate fire ball
		fireBallGraphics.rotation += 0.2;
		// Remove if off screen
		if (self.x < -100 || self.x > 2148 || self.y < -100 || self.y > 2832) {
			self.destroy();
			return;
		}
		// Check collision with all enemy types (but never with wizard)
		var allEnemies = enemies.concat(ogres).concat(knights).concat(miniBosses);
		for (var i = 0; i < allEnemies.length; i++) {
			var enemy = allEnemies[i];
			// Skip collision check with wizard
			if (enemy === wizard) {
				continue;
			}
			if (!self.lastIntersecting[i]) {
				self.lastIntersecting[i] = false;
			}
			var currentIntersecting = self.intersects(enemy);
			if (!self.lastIntersecting[i] && currentIntersecting) {
				// Hit enemy - deal fire damage
				var damage = 150; // High damage for fire ball
				enemy.takeDamage(damage);
				// Create fire explosion effect
				LK.effects.flashObject(enemy, 0xFF4500, 400);
				// Create additional fire visual effect
				var fireEffect = game.addChild(LK.getAsset('projectileGlow', {
					anchorX: 0.5,
					anchorY: 0.5,
					x: enemy.x,
					y: enemy.y,
					scaleX: 3,
					scaleY: 3
				}));
				fireEffect.tint = 0xFF6600;
				fireEffect.alpha = 0.8;
				// Animate fire effect
				tween(fireEffect, {
					scaleX: 6,
					scaleY: 6,
					alpha: 0
				}, {
					duration: 600,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						fireEffect.destroy();
					}
				});
				self.destroy();
				return;
			}
			self.lastIntersecting[i] = currentIntersecting;
		}
	};
	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 = 3;
	self.maxHealth = 3;
	self.speed = 7;
	// Note: health, maxHealth and speed will be overridden by difficulty system
	self.lastX = 0;
	self.frozen = false;
	self.frozenTimer = 0;
	self.update = function () {
		// Skip all movement and collision if knight is dying
		if (self.isDying) {
			return;
		}
		// 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
			});
		}
		// Handle frozen state
		if (self.frozen) {
			self.frozenTimer--;
			if (self.frozenTimer <= 0) {
				self.frozen = false;
			}
			return; // Skip movement when frozen
		}
		// 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;
		// Change animation state to attacking when hit
		self.animationState = 'attacking';
		// Flash red when hit
		LK.effects.flashObject(self, 0xFF0000, 200);
		// Create impact effect
		var impactEffect = game.addChild(LK.getAsset('projectileGlow', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: self.x,
			y: self.y,
			scaleX: 0.8,
			scaleY: 0.8
		}));
		impactEffect.tint = 0xFFD700;
		impactEffect.alpha = 0.9;
		// Animate impact effect with sparks
		tween(impactEffect, {
			scaleX: 3.0,
			scaleY: 3.0,
			alpha: 0
		}, {
			duration: 400,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				impactEffect.destroy();
			}
		});
		// Return to walking animation after brief attacking animation
		tween({}, {}, {
			duration: 500,
			onFinish: function onFinish() {
				if (self.animationState === 'attacking') {
					self.animationState = 'walking';
				}
			}
		});
		// Check if knight should die based on health
		if (self.health <= 0) {
			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();
		// Start death animation sequence
		self.isDying = true;
		// Animate knight death with dramatic fall effect
		tween(self, {
			alpha: 0,
			scaleX: 0.2,
			scaleY: 0.2,
			rotation: Math.PI * 0.8,
			y: self.y + 50
		}, {
			duration: 1000,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				// After death animation completes, execute all death logic
				// 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 - 20% chance to give 20 HP
				if (wizard.lifeDrainLevel && wizard.lifeDrainLevel > 0) {
					var drainChance = Math.random();
					if (drainChance < 0.20) {
						// 20% chance
						wizard.health = Math.min(wizard.health + 20, wizard.maxHealth); // Always give 20 HP
						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 MiniBoss = Container.expand(function () {
	var self = Container.call(this);
	// Animation system for mini boss
	self.currentFrame = 1;
	self.animationTimer = 0;
	self.animationSpeed = 12; // Faster animation for menacing effect
	self.animationState = 'walking'; // walking, attacking, dying, idle
	// Create all mini boss graphics frames using knight frames but larger
	self.bossFrames = [];
	for (var i = 1; i <= 4; i++) {
		var frameGraphics = self.attachAsset('knight' + i, {
			anchorX: 0.5,
			anchorY: 1.0,
			scaleX: 4.0,
			scaleY: 4.0
		});
		frameGraphics.visible = i === 1; // Only show first frame initially
		frameGraphics.tint = 0x8B0000; // Dark red tint for mini boss
		self.bossFrames.push(frameGraphics);
	}
	// Create invisible hitbox with large size
	var hitbox = self.attachAsset('knight1', {
		anchorX: 0.5,
		anchorY: 1.0,
		scaleX: 8,
		scaleY: 8
	});
	hitbox.alpha = 0; // Make hitbox invisible
	self.health = 1000; // Very high health for mini boss
	self.maxHealth = 1000;
	self.speed = 4;
	self.lastX = 0;
	self.frozen = false;
	self.frozenTimer = 0;
	self.specialAttackTimer = 0;
	self.update = function () {
		// Skip all movement and collision if mini boss is dying
		if (self.isDying) {
			return;
		}
		// Animation system - cycle through boss frames based on state
		self.animationTimer++;
		var frameSpeed = self.animationSpeed;
		if (self.animationState === 'attacking') {
			frameSpeed = 6; // Very fast animation for attacking
		} else if (self.animationState === 'dying') {
			frameSpeed = 30; // Slower animation for dying
		}
		if (self.animationTimer >= frameSpeed) {
			self.animationTimer = 0;
			// Hide current frame
			self.bossFrames[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++;
				}
			}
			// Show new frame
			self.bossFrames[self.currentFrame - 1].visible = true;
		}
		// Handle frozen state
		if (self.frozen) {
			self.frozenTimer--;
			if (self.frozenTimer <= 0) {
				self.frozen = false;
			}
			return; // Skip movement when frozen
		}
		// No special attacks for mini boss
		// Move toward wizard with steady pace
		if (wizard) {
			// Calculate direction from mini boss 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.bossFrames.length; frameIdx++) {
					self.bossFrames[frameIdx].scaleX = -4.0; // Flip to face left
				}
			} else {
				// Wizard is to the right - face right
				for (var frameIdx = 0; frameIdx < self.bossFrames.length; frameIdx++) {
					self.bossFrames[frameIdx].scaleX = 4.0; // Normal orientation to face right
				}
			}
		} else {
			// Fallback: move down if wizard doesn't exist
			self.y += self.speed;
		}
	};
	self.performSpecialAttack = function () {
		// Create shockwave effect that damages wizard if close
		var dx = wizard.x - self.x;
		var dy = wizard.y - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < 400) {
			// Shockwave range
			wizard.takeDamage(50); // Heavy damage from shockwave
			// Visual shockwave effect
			LK.effects.flashScreen(0xFF4500, 400);
		}
		// Create visual shockwave
		var shockwave = game.addChild(LK.getAsset('projectileGlow', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: self.x,
			y: self.y,
			scaleX: 1,
			scaleY: 1
		}));
		shockwave.tint = 0xFF4500;
		shockwave.alpha = 0.8;
		// Animate shockwave expansion
		tween(shockwave, {
			scaleX: 8,
			scaleY: 8,
			alpha: 0
		}, {
			duration: 600,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				shockwave.destroy();
			}
		});
	};
	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);
		// Create massive impact effect
		var impactEffect = game.addChild(LK.getAsset('projectileGlow', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: self.x,
			y: self.y,
			scaleX: 2.0,
			scaleY: 2.0
		}));
		impactEffect.tint = 0xFF8C00;
		impactEffect.alpha = 1.0;
		// Animate impact effect
		tween(impactEffect, {
			scaleX: 6.0,
			scaleY: 6.0,
			alpha: 0
		}, {
			duration: 500,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				impactEffect.destroy();
			}
		});
		// Return to walking animation after brief attacking animation
		tween({}, {}, {
			duration: 400,
			onFinish: function onFinish() {
				if (self.animationState === 'attacking') {
					self.animationState = 'walking';
				}
			}
		});
		// Check if mini boss should die based on health
		if (self.health <= 0) {
			self.die();
		}
	};
	self.down = function (x, y, obj) {
		// Set this mini boss 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 mini boss when 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 mini boss
			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 mini boss dies
		LK.getSound('painSound').play();
		// Start death animation sequence
		self.isDying = true;
		// Massive death explosion effect
		LK.effects.flashScreen(0xFFD700, 1000); // Golden flash for mini boss death
		// Animate mini boss death with dramatic effect
		tween(self, {
			alpha: 0,
			scaleX: 0.1,
			scaleY: 0.1,
			rotation: Math.PI * 2,
			y: self.y + 100
		}, {
			duration: 1500,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				// After death animation completes, execute all death logic
				// Drop multiple coins
				for (var coinIdx = 0; coinIdx < 5; coinIdx++) {
					var coin = game.addChild(new Coin());
					coin.x = self.x + (Math.random() - 0.5) * 200;
					coin.y = self.y - 50 + (Math.random() - 0.5) * 100;
					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 + coinIdx * 200,
						easing: tween.easeOut,
						onFinish: function onFinish() {
							// Increment coin counter after animation
							coinCounter += 10; // Mini boss gives 10 coins per coin drop
							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 += 10; // Mini boss counts as 10 kills
				killCountText.setText('Puntuacion: ' + enemyKillCounter);
				// Add massive experience to wizard
				wizard.gainExperience(250);
				// Clear selected enemy if this was the target
				if (selectedEnemy === self) {
					selectedEnemy = null;
				}
				// Remove from mini bosses array
				for (var i = miniBosses.length - 1; i >= 0; i--) {
					if (miniBosses[i] === self) {
						miniBosses.splice(i, 1);
						break;
					}
				}
				self.destroy();
				LK.setScore(LK.getScore() + 100); // Massive score bonus
			}
		});
	};
	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 = 2;
	self.maxHealth = 2;
	self.speed = 7;
	// Note: health, maxHealth and speed will be overridden by difficulty system
	self.lastX = 0;
	self.frozen = false;
	self.frozenTimer = 0;
	self.update = function () {
		// Skip all movement and collision if ogre is dying
		if (self.isDying) {
			return;
		}
		// 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
			});
		}
		// Handle frozen state
		if (self.frozen) {
			self.frozenTimer--;
			if (self.frozenTimer <= 0) {
				self.frozen = false;
			}
			return; // Skip movement when frozen
		}
		// 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;
		// Change animation state to attacking when hit
		self.animationState = 'attacking';
		// Flash red when hit
		LK.effects.flashObject(self, 0xFF0000, 200);
		// Create impact effect
		var impactEffect = game.addChild(LK.getAsset('projectileGlow', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: self.x,
			y: self.y,
			scaleX: 1.0,
			scaleY: 1.0
		}));
		impactEffect.tint = 0xFF4500;
		impactEffect.alpha = 1.0;
		// Animate impact effect with explosion
		tween(impactEffect, {
			scaleX: 4.0,
			scaleY: 4.0,
			alpha: 0
		}, {
			duration: 500,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				impactEffect.destroy();
			}
		});
		// Return to walking animation after brief attacking animation
		tween({}, {}, {
			duration: 400,
			onFinish: function onFinish() {
				if (self.animationState === 'attacking') {
					self.animationState = 'walking';
				}
			}
		});
		// Check if ogre should die based on health
		if (self.health <= 0) {
			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();
		// Start death animation sequence
		self.isDying = true;
		// Animate ogre death with heavy collapse effect
		tween(self, {
			alpha: 0,
			scaleX: 0.1,
			scaleY: 0.1,
			rotation: Math.PI * 1.2,
			y: self.y + 80
		}, {
			duration: 1200,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				// After death animation completes, execute all death logic
				// 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 - 20% chance to give 20 HP
				if (wizard.lifeDrainLevel && wizard.lifeDrainLevel > 0) {
					var drainChance = Math.random();
					if (drainChance < 0.20) {
						// 20% chance
						wizard.health = Math.min(wizard.health + 20, wizard.maxHealth); // Always give 20 HP
						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 Orb = Container.expand(function () {
	var self = Container.call(this);
	// Create orb visual using energy sphere
	var orbGraphics = self.attachAsset('energySphere', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.4,
		scaleY: 0.4
	});
	orbGraphics.tint = 0xFFD700; // Golden color for orbs
	orbGraphics.alpha = 0.9;
	self.orbitalAngle = 0; // Starting angle for this orb
	self.orbitalRadius = 880; // Distance from wizard - doubled again for even more separation
	self.rotationSpeed = 0.025; // How fast orbs rotate - halved for slower movement
	self.update = function () {
		// Pause orb when upgrade menu is visible
		if (upgradeMenu && upgradeMenu.visible) {
			return;
		}
		// Rotate around wizard
		if (wizard) {
			self.orbitalAngle += self.rotationSpeed;
			self.x = wizard.x + Math.cos(self.orbitalAngle) * self.orbitalRadius;
			self.y = wizard.y + Math.sin(self.orbitalAngle) * self.orbitalRadius - 240; // Position orb much higher up
		}
		// Add pulsing effect
		var pulse = 1 + Math.sin(LK.ticks * 0.3) * 0.2;
		orbGraphics.scaleX = 0.4 * pulse;
		orbGraphics.scaleY = 0.4 * pulse;
		// Check collision with enemies using collision state tracking (but never with wizard)
		var allEnemies = enemies.concat(ogres).concat(knights).concat(miniBosses);
		for (var i = 0; i < allEnemies.length; i++) {
			var enemy = allEnemies[i];
			// Skip collision check with wizard
			if (enemy === wizard) {
				continue;
			}
			// Initialize collision tracking for this enemy if not exists
			if (!self.lastIntersecting) {
				self.lastIntersecting = {};
			}
			if (self.lastIntersecting[i] === undefined) {
				self.lastIntersecting[i] = false;
			}
			var currentIntersecting = self.intersects(enemy);
			if (!self.lastIntersecting[i] && currentIntersecting) {
				// Deal damage to enemy on contact transition (first contact only)
				enemy.takeDamage(50);
				// Visual effect for orb hit
				LK.effects.flashObject(self, 0xFFFFFF, 200);
				// Create orb impact effect
				var orbImpact = game.addChild(LK.getAsset('energySphere', {
					anchorX: 0.5,
					anchorY: 0.5,
					x: enemy.x,
					y: enemy.y,
					scaleX: 0.3,
					scaleY: 0.3
				}));
				orbImpact.tint = 0xFFD700;
				orbImpact.alpha = 0.8;
				// Animate orb impact
				tween(orbImpact, {
					scaleX: 1.5,
					scaleY: 1.5,
					alpha: 0
				}, {
					duration: 250,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						orbImpact.destroy();
					}
				});
			}
			// Update collision state for this enemy
			self.lastIntersecting[i] = currentIntersecting;
		}
	};
	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
	});
	// Create spell trail array
	self.trailSegments = [];
	self.maxTrailSegments = 8;
	self.trailTimer = 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
		// Create spell trail segments
		self.trailTimer++;
		if (self.trailTimer >= 3) {
			// Create trail segment every 3 frames
			self.trailTimer = 0;
			// Create new trail segment at current position
			var trailSegment = game.addChild(LK.getAsset('spell', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: self.x,
				y: self.y,
				scaleX: 0.6,
				scaleY: 0.6
			}));
			trailSegment.tint = 0x44aaff; // Blue tint for trail
			trailSegment.alpha = 0.8;
			// Animate trail segment to fade out and shrink
			tween(trailSegment, {
				scaleX: 0.1,
				scaleY: 0.1,
				alpha: 0
			}, {
				duration: 400,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					trailSegment.destroy();
				}
			});
			// Add trail segment to array
			self.trailSegments.push(trailSegment);
			// Remove old trail segments if too many
			if (self.trailSegments.length > self.maxTrailSegments) {
				var oldSegment = self.trailSegments.shift();
				if (oldSegment && oldSegment.parent) {
					oldSegment.destroy();
				}
			}
		}
		// 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
				// Calculate damage based on spell power upgrade
				var damage = 100;
				if (wizard && wizard.spellPowerLevel && wizard.spellPowerLevel > 0) {
					// Check if target is an ogre and we're before enemy 35
					if (self.targetEnemy && self.targetEnemy.ogreFrames && enemyKillCounter < 35) {
						// Always kill ogres in one hit until enemy 35
						damage = self.targetEnemy.health + 1; // Ensure one-hit kill
					} else {
						damage = 200; // Double damage when spell power is active
					}
				}
				self.targetEnemy.takeDamage(damage);
				self.removeFromGame();
				return;
			}
			self.lastIntersecting.target = currentTargetIntersecting;
		}
	};
	self.removeFromGame = function () {
		// Clean up trail segments
		for (var i = 0; i < self.trailSegments.length; i++) {
			var segment = self.trailSegments[i];
			if (segment && segment.parent) {
				segment.destroy();
			}
		}
		self.trailSegments = [];
		// 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: 'Double damage'
	}, {
		name: 'REGENERATION',
		description: 'Heal 5 HP/sec'
	}, {
		name: 'FIRE BALL',
		description: 'Launch fire ball every 3s'
	}, {
		name: 'FREEZE PULSE',
		description: 'Freeze all enemies'
	}, {
		name: 'ORBS',
		description: 'Orbs rotate around player'
	}];
	// 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 and show improved versions
	self.updateUpgradeCosts = function () {
		var upgradeOptions = [{
			name: 'SHIELD',
			key: 'shield',
			baseDesc: 'Block 1 attack',
			improvedDesc: 'Block 2 attacks + regen'
		}, {
			name: 'HEALTH BOOST',
			key: 'healthBoost',
			baseDesc: 'More health',
			improvedDesc: 'Much more health'
		}, {
			name: 'LIFE DRAIN',
			key: 'lifeDrain',
			baseDesc: '20% chance +20 HP',
			improvedDesc: '20% chance +20 HP'
		}, {
			name: 'ENERGY SPHERE',
			key: 'energySphere',
			baseDesc: 'Auto-attack every 3s',
			improvedDesc: 'Auto-attack every 2s'
		}, {
			name: 'FORCE PUSH',
			key: 'forcePush',
			baseDesc: 'Push enemies back',
			improvedDesc: 'Stronger push + damage'
		}, {
			name: 'SPELL POWER',
			key: 'spellPower',
			baseDesc: 'Double damage',
			improvedDesc: 'Triple damage'
		}, {
			name: 'REGENERATION',
			key: 'regeneration',
			baseDesc: 'Heal 5 HP/sec',
			improvedDesc: 'Heal 10 HP/sec'
		}, {
			name: 'FIRE BALL',
			key: 'fireBall',
			baseDesc: 'Launch fire ball every 3s',
			improvedDesc: 'Launch fire ball every 2s'
		}, {
			name: 'FREEZE PULSE',
			key: 'freezePulse',
			baseDesc: 'Freeze all enemies',
			improvedDesc: 'Freeze longer + damage'
		}, {
			name: 'ORBS',
			key: 'orbs',
			baseDesc: 'Orbs rotate around player',
			improvedDesc: 'More orbs + faster rotation'
		}];
		for (var i = 0; i < self.upgradeTextElements.length; i++) {
			var textElement = self.upgradeTextElements[i];
			var upgrade = upgradeOptions[i];
			var currentLevel = upgradeLevels[upgrade.key];
			// Show improved version if already purchased
			var description = currentLevel > 0 ? upgrade.improvedDesc : upgrade.baseDesc;
			var levelText = currentLevel > 0 ? ' (LV' + (currentLevel + 1) + ')' : '';
			textElement.setText(upgrade.name + levelText + '\n' + description + '\nCost: ' + self.upgradeCost + ' coins');
			textElement.upgradeName = upgrade.name;
			textElement.upgradeDescription = description;
		}
	};
	// 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 upgrade
						upgradeLevels.shield++;
						if (upgradeLevels.shield === 1) {
							// First level: Basic shield
							wizard.shieldActive = true;
							wizard.maxShieldHits = 1;
							wizard.currentShieldHits = 0;
						} else {
							// Improved level: Double shield + regeneration
							wizard.shieldActive = true;
							wizard.maxShieldHits = 2;
							wizard.currentShieldHits = 0;
							wizard.shieldRegen = true; // Enable shield regeneration
						}
						// 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 upgrade
						upgradeLevels.healthBoost++;
						var healthIncrease = 40;
						wizard.maxHealth += healthIncrease;
						wizard.health = Math.min(wizard.health + healthIncrease, wizard.maxHealth);
						updateHealthBar();
						break;
					case 2:
						// Life Drain upgrade
						upgradeLevels.lifeDrain++;
						if (!wizard.lifeDrainLevel) {
							wizard.lifeDrainLevel = 0;
						}
						wizard.lifeDrainLevel = upgradeLevels.lifeDrain;
						break;
					case 3:
						// Energy Sphere upgrade
						upgradeLevels.energySphere++;
						if (upgradeLevels.energySphere === 1) {
							// First level: Create 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 upgrade
						upgradeLevels.forcePush++;
						if (!wizard.forcePushLevel) {
							wizard.forcePushLevel = 0;
							wizard.forcePushTimer = 0;
						}
						wizard.forcePushLevel = upgradeLevels.forcePush;
						// Visual feedback for force push
						LK.effects.flashObject(wizard, 0xFFFF00, 500);
						break;
					case 5:
						// Spell Power upgrade
						upgradeLevels.spellPower++;
						if (!wizard.spellPowerLevel) {
							wizard.spellPowerLevel = 0;
						}
						wizard.spellPowerLevel = upgradeLevels.spellPower;
						// Visual feedback for spell power
						LK.effects.flashObject(wizard, 0xFF4500, 500);
						break;
					case 6:
						// Regeneration upgrade
						upgradeLevels.regeneration++;
						if (!wizard.regenerationLevel) {
							wizard.regenerationLevel = 0;
						}
						wizard.regenerationLevel = upgradeLevels.regeneration;
						// Visual feedback for regeneration
						LK.effects.flashObject(wizard, 0x90EE90, 500);
						break;
					case 7:
						// Fire Ball upgrade
						upgradeLevels.fireBall++;
						if (!wizard.fireBallLevel) {
							wizard.fireBallLevel = 0;
							wizard.fireBallTimer = 0;
						}
						wizard.fireBallLevel = upgradeLevels.fireBall;
						// Visual feedback for fire ball
						LK.effects.flashObject(wizard, 0xFF4500, 500);
						break;
					case 8:
						// Freeze Pulse upgrade
						upgradeLevels.freezePulse++;
						if (!wizard.freezePulseLevel) {
							wizard.freezePulseLevel = 0;
							wizard.freezePulseTimer = 0;
						}
						wizard.freezePulseLevel = upgradeLevels.freezePulse;
						// Visual feedback for freeze pulse
						LK.effects.flashObject(wizard, 0x87CEEB, 500);
						break;
					case 9:
						// Orbs upgrade
						upgradeLevels.orbs++;
						if (!wizard.orbLevel) {
							wizard.orbLevel = 0;
							wizard.orbs = []; // Array to store orb instances
						}
						wizard.orbLevel++;
						// Create new orb
						var newOrb = game.addChild(new Orb());
						// Set starting angle based on number of orbs for even distribution
						newOrb.orbitalAngle = wizard.orbs.length * (Math.PI * 2) / (wizard.orbLevel + 1);
						wizard.orbs.push(newOrb);
						// Redistribute existing orbs evenly
						for (var orbIdx = 0; orbIdx < wizard.orbs.length; orbIdx++) {
							wizard.orbs[orbIdx].orbitalAngle = orbIdx * (Math.PI * 2) / wizard.orbs.length;
						}
						// Visual feedback for orb upgrade
						LK.effects.flashObject(wizard, 0xFFD700, 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 invisible hitbox with much smaller size for more precise collision
	var hitbox = self.attachAsset('wizard1', {
		anchorX: 0.3,
		anchorY: 1.0,
		scaleX: 0.25,
		// Much smaller size for very precise collision
		scaleY: 0.3 // Much smaller size for very precise collision
	});
	hitbox.alpha = 0; // Make hitbox invisible
	// Position hitbox slightly to the right to reduce left side
	hitbox.x = 15; // Offset hitbox to the right
	// 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.orbLevel = 0; // Track orb upgrades
	self.orbs = []; // Array to store orb instances
	// Override intersects method to use smaller hitbox
	self.intersects = function (other) {
		return hitbox.intersects(other);
	};
	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();
			}
		}
		// Freeze Pulse upgrade - freeze all enemies every 4 seconds
		if (self.freezePulseLevel && self.freezePulseLevel > 0) {
			if (!self.freezePulseTimer) {
				self.freezePulseTimer = 0;
			}
			self.freezePulseTimer++;
			if (self.freezePulseTimer >= 240) {
				// 4 seconds at 60fps
				self.freezePulseTimer = 0;
				self.activateFreezePulse();
			}
		}
		// Fire Ball upgrade - launch fire ball with improved timing
		if (self.fireBallLevel && self.fireBallLevel > 0) {
			if (!self.fireBallTimer) {
				self.fireBallTimer = 0;
			}
			self.fireBallTimer++;
			var fireBallInterval = upgradeLevels.fireBall > 1 ? 120 : 180; // 2s vs 3s
			if (self.fireBallTimer >= fireBallInterval) {
				self.fireBallTimer = 0;
				self.launchFireBall();
			}
		}
		// Regeneration upgrade - heal over time with improved rate
		if (self.regenerationLevel && self.regenerationLevel > 0) {
			if (!self.regenTimer) {
				self.regenTimer = 0;
			}
			self.regenTimer++;
			if (self.regenTimer >= 60) {
				// Every second
				self.regenTimer = 0;
				var healAmount = upgradeLevels.regeneration > 1 ? 10 : 5; // Improved healing
				self.health = Math.min(self.health + healAmount, self.maxHealth);
				updateHealthBar();
				// Visual feedback for regeneration
				LK.effects.flashObject(self, 0x90EE90, 200);
			}
		}
		// 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 = 1;
			// 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) {
			// Initialize shield properties if not set
			if (self.maxShieldHits === undefined) {
				self.maxShieldHits = 1;
				self.currentShieldHits = 0;
			}
			// Increment shield hits
			self.currentShieldHits++;
			// Visual feedback for shield use
			LK.effects.flashObject(self, 0x00BFFF, 300);
			// Check if shield is depleted
			if (self.currentShieldHits >= self.maxShieldHits) {
				self.shieldActive = false;
				// Start shield regeneration timer
				var regenTime = self.shieldRegen ? 5000 : 10000; // Faster regen if improved
				tween({}, {}, {
					duration: regenTime,
					onFinish: function onFinish() {
						// Regenerate shield
						self.shieldActive = true;
						self.currentShieldHits = 0;
						// 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();
		// Add significant screen shake when taking damage
		var shakeIntensity = 30; // Strong shake for taking damage
		var originalX = game.x;
		var originalY = game.y;
		// Create aggressive screen shake sequence
		tween(game, {
			x: originalX + shakeIntensity,
			y: originalY + shakeIntensity * 0.5
		}, {
			duration: 80,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				tween(game, {
					x: originalX - shakeIntensity * 0.8,
					y: originalY - shakeIntensity * 0.3
				}, {
					duration: 70,
					easing: tween.easeInOut,
					onFinish: function onFinish() {
						tween(game, {
							x: originalX + shakeIntensity * 0.6,
							y: originalY + shakeIntensity * 0.4
						}, {
							duration: 60,
							easing: tween.easeInOut,
							onFinish: function onFinish() {
								tween(game, {
									x: originalX - shakeIntensity * 0.3,
									y: originalY - shakeIntensity * 0.2
								}, {
									duration: 50,
									easing: tween.easeInOut,
									onFinish: function onFinish() {
										tween(game, {
											x: originalX,
											y: originalY
										}, {
											duration: 40,
											easing: tween.easeIn
										});
									}
								});
							}
						});
					}
				});
			}
		});
		// 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 with improved effects
		var allEnemies = enemies.concat(ogres).concat(knights).concat(miniBosses);
		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) {
				// Improved force push: stronger push and damage
				var pushDistance = upgradeLevels.forcePush > 1 ? 300 : 200; // Stronger push
				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
				});
				// Improved force push: deal damage
				if (upgradeLevels.forcePush > 1) {
					enemy.takeDamage(50);
				}
				// Visual effect on each enemy
				LK.effects.flashObject(enemy, 0x8A2BE2, 200);
			}
		}
	};
	self.activateFreezePulse = function () {
		// Visual effect for freeze pulse activation
		LK.effects.flashScreen(0x87CEEB, 500); // Light blue flash
		LK.effects.flashObject(self, 0x87CEEB, 700); // Light blue flash on wizard
		// Freeze all enemies with improved effects
		var allEnemies = enemies.concat(ogres).concat(knights).concat(miniBosses);
		for (var i = 0; i < allEnemies.length; i++) {
			var enemy = allEnemies[i];
			// Improved freeze: longer duration and damage
			var freezeDuration = upgradeLevels.freezePulse > 1 ? 120 : 60; // 2s vs 1s
			enemy.frozen = true;
			enemy.frozenTimer = freezeDuration;
			// Improved freeze: deal damage
			if (upgradeLevels.freezePulse > 1) {
				enemy.takeDamage(30);
			}
			// Visual freeze effect - tint enemy light blue
			tween(enemy, {
				tint: 0x87CEEB
			}, {
				duration: 100,
				easing: tween.easeOut
			});
			// Remove freeze tint after frozen state ends
			var visualDuration = upgradeLevels.freezePulse > 1 ? 2000 : 1000;
			tween({}, {}, {
				duration: visualDuration,
				onFinish: function onFinish() {
					if (enemy && enemy.parent) {
						// Remove freeze tint after frozen effect ends
						tween(enemy, {
							tint: 0xFFFFFF
						}, {
							duration: 200,
							easing: tween.easeIn
						});
					}
				}
			});
		}
	};
	self.launchFireBall = function () {
		// Visual effect for fire ball launch
		LK.effects.flashScreen(0xFF4500, 300); // Orange flash
		LK.effects.flashObject(self, 0xFF4500, 500); // Orange flash on wizard
		// Create fire ball projectile at wizard position
		var fireBall = game.addChild(new FireBall());
		fireBall.x = self.x;
		fireBall.y = self.y;
		// Find closest enemy to target
		var closestEnemy = null;
		var closestDistance = Infinity;
		var allEnemies = enemies.concat(ogres).concat(knights).concat(miniBosses);
		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;
			}
		}
		// Set fire ball direction toward closest enemy or default direction
		if (closestEnemy) {
			var dx = closestEnemy.x - self.x;
			var dy = closestEnemy.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance > 0) {
				fireBall.direction.x = dx / distance;
				fireBall.direction.y = dy / distance;
			}
		} else {
			// Default direction upward if no enemies
			fireBall.direction.x = 0;
			fireBall.direction.y = -1;
		}
		LK.getSound('spellCast').play();
	};
	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 fourthUpgradeMenuShown = false;
var selectedEnemy = null; // Track currently selected enemy for projectile targeting
var energySphere = null; // Track energy sphere instance
// Upgrade level tracking system
var upgradeLevels = {
	shield: 0,
	healthBoost: 0,
	lifeDrain: 0,
	energySphere: 0,
	forcePush: 0,
	spellPower: 0,
	regeneration: 0,
	fireBall: 0,
	freezePulse: 0,
	orbs: 0
};
// Game arrays to track objects
var enemies = [];
var ogres = [];
var knights = [];
var miniBosses = [];
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
		// Keep music playing during upgrade menu
		// 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
		// Keep music playing during upgrade menu
		// 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
		// Keep music playing during upgrade menu
		// 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 fourth upgrade menu after 70 enemies are killed
	if (enemyKillCounter >= 70 && thirdUpgradeMenuShown && !fourthUpgradeMenuShown) {
		fourthUpgradeMenuShown = 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
		// Keep music playing during upgrade menu
		// 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 (but not when mini boss is present)
	enemySpawnTimer++;
	if (enemySpawnTimer >= currentSpawnRate && miniBosses.length === 0) {
		enemySpawnTimer = 0;
		var enemy = game.addChild(new Enemy());
		// Apply difficulty scaling to enemy stats
		enemy.health = 100;
		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) but not when mini boss is present
	if (LK.ticks >= 900 && LK.ticks % 180 === 0 && miniBosses.length === 0) {
		// Every 3 seconds after 15 seconds
		var ogre = game.addChild(new Ogre());
		// Apply difficulty scaling to ogre stats
		ogre.health = 200; // 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 but not when mini boss is present
	if (enemyKillCounter >= 30 && LK.ticks % 300 === 0 && miniBosses.length === 0) {
		// Every 5 seconds after 30th enemy
		var knight = game.addChild(new Knight());
		// Apply difficulty scaling to knight stats
		knight.health = 300; // 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);
	}
	// Spawn mini boss after 100 enemies killed
	if (enemyKillCounter >= 100 && miniBosses.length === 0) {
		var miniBoss = game.addChild(new MiniBoss());
		// Mini boss spawns from center path
		miniBoss.x = 2048 / 2;
		miniBoss.y = -200; // Spawn slightly higher up
		miniBoss.pathIndex = 0; // Center path
		miniBoss.pathAngle = pathAngles[0];
		miniBoss.lastX = miniBoss.x;
		miniBosses.push(miniBoss);
		// Visual announcement for mini boss arrival
		LK.effects.flashScreen(0x8B0000, 1000); // Dark red flash
	}
	// 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 (only if enemy is not dying)
		var currentIntersecting = wizard.intersects(enemy);
		if (!enemy.lastIntersecting && currentIntersecting && !enemy.isDying) {
			// 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 (only if ogre is not dying)
		var currentOgreIntersecting = wizard.intersects(ogre);
		if (!ogre.lastIntersecting && currentOgreIntersecting && !ogre.isDying) {
			// 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 (only if knight is not dying)
		var currentKnightIntersecting = wizard.intersects(knight);
		if (!knight.lastIntersecting && currentKnightIntersecting && !knight.isDying) {
			// 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;
	}
	// Check mini boss-wizard collisions and cleanup off-screen mini bosses
	for (var i = miniBosses.length - 1; i >= 0; i--) {
		var miniBoss = miniBosses[i];
		// Remove mini bosses that went off-screen at bottom
		if (miniBoss.y > 2732 + 100) {
			miniBosses.splice(i, 1);
			miniBoss.destroy();
			continue;
		}
		// Initialize lastIntersecting if not set
		if (miniBoss.lastIntersecting === undefined) {
			miniBoss.lastIntersecting = false;
		}
		// Check for collision transition (only if mini boss is not dying)
		var currentMiniBossIntersecting = wizard.intersects(miniBoss);
		if (!miniBoss.lastIntersecting && currentMiniBossIntersecting && !miniBoss.isDying) {
			// Damage wizard when mini boss touches for the first time
			wizard.takeDamage(75); // Mini boss deals massive damage
			// Don't remove mini boss after dealing damage - it stays alive
		}
		// Update last intersecting state
		miniBoss.lastIntersecting = currentMiniBossIntersecting;
	}
	// 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
@@ -1976,9 +1976,9 @@
 						break;
 					case 1:
 						// Health Boost upgrade
 						upgradeLevels.healthBoost++;
-						var healthIncrease = upgradeLevels.healthBoost === 1 ? 30 : 50;
+						var healthIncrease = 40;
 						wizard.maxHealth += healthIncrease;
 						wizard.health = Math.min(wizard.health + healthIncrease, wizard.maxHealth);
 						updateHealthBar();
 						break;