/**** 
* 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);
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	self.health = 100;
	self.maxHealth = 100;
	self.speed = 7;
	// Note: health, maxHealth and speed will be overridden by difficulty system
	self.lastX = 0;
	self.update = function () {
		// 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
			});
		}
		// Move along the assigned path toward the wizard
		if (wizard && self.pathAngle !== undefined) {
			// Move along the path direction toward the wizard
			var moveX = -Math.cos(self.pathAngle) * self.speed;
			var moveY = -Math.sin(self.pathAngle) * self.speed;
			self.x += moveX;
			self.y += moveY;
		} else if (wizard) {
			// Fallback: move directly toward the wizard if no path assigned
			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;
			}
		} else {
			// Fallback: move down if knight doesn't exist
			self.y += self.speed;
		}
	};
	self.takeDamage = function (damage) {
		self.health -= damage;
		// Flash red when hit
		LK.effects.flashObject(self, 0xFF0000, 200);
		// Enemies die from any projectile hit
		self.die();
	};
	self.down = function (x, y, obj) {
		// 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;
			}
			projectiles.push(projectile);
			LK.getSound('spellCast').play();
		}
	};
	self.die = function () {
		// Play pain sound when enemy dies
		LK.getSound('painSound').play();
		// Drop coin
		var coin = game.addChild(new Coin());
		coin.x = self.x;
		coin.y = self.y - 50;
		coin.isAnimating = true;
		coins.push(coin);
		// Animate coin moving toward coin counter
		var coinTargetX = 120 + coinText.width / 2;
		var coinTargetY = 90 + coinText.height / 2;
		tween(coin, {
			x: coinTargetX,
			y: coinTargetY,
			scaleX: 0.5,
			scaleY: 0.5
		}, {
			duration: 1000,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				// Increment coin counter after animation
				coinCounter++;
				coinText.setText('Coins: ' + coinCounter);
				// Remove coin from array and destroy
				for (var i = coins.length - 1; i >= 0; i--) {
					if (coins[i] === coin) {
						coins.splice(i, 1);
						break;
					}
				}
				coin.destroy();
			}
		});
		// Increment enemy kill counter
		enemyKillCounter++;
		killCountText.setText('Puntuacion: ' + enemyKillCounter);
		// Add experience to wizard
		wizard.gainExperience(25);
		// 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 GameMenu = Container.expand(function () {
	var self = Container.call(this);
	// Semi-transparent background overlay
	var menuBg = self.attachAsset('pathSelector', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: 2732 / 2,
		scaleX: 35,
		scaleY: 45
	});
	menuBg.alpha = 0.9;
	menuBg.tint = 0x87CEEB; // Celeste (sky blue) color
	// Title text
	var titleText = new Text2('WIZARD DEFENDER', {
		size: 150,
		fill: 0xFFD700
	});
	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
	});
	instructionsText.anchor.set(0.5, 0.5);
	instructionsText.x = 2048 / 2;
	instructionsText.y = 1200;
	self.addChild(instructionsText);
	// Start button
	var startButton = self.attachAsset('wizard', {
		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
	});
	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 all game elements
		castle.visible = true;
		wizard.visible = true;
		for (var i = 0; i < paths.length; i++) {
			paths[i].visible = true;
		}
		coinText.visible = true;
		killCountText.visible = true;
		tapText.visible = true;
		healthBarBg.visible = true;
		healthBar.visible = true;
		healthText.visible = true;
		// Start medieval music
		LK.playMusic('medievalTheme');
	};
	return self;
});
var Ogre = Container.expand(function () {
	var self = Container.call(this);
	var ogreGraphics = self.attachAsset('ogre', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	self.health = 100;
	self.maxHealth = 100;
	self.speed = 7;
	self.hitsToKill = 2;
	self.hitsTaken = 0;
	// Note: health, maxHealth and speed will be overridden by difficulty system
	self.lastX = 0;
	self.update = function () {
		// 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
			});
		}
		// Move along the assigned path toward the wizard
		if (wizard && self.pathAngle !== undefined) {
			// Move along the path direction toward the wizard
			var moveX = -Math.cos(self.pathAngle) * self.speed;
			var moveY = -Math.sin(self.pathAngle) * self.speed;
			self.x += moveX;
			self.y += moveY;
		} else if (wizard) {
			// Fallback: move directly toward the wizard if no path assigned
			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;
			}
		} else {
			// Fallback: move down if knight doesn't exist
			self.y += self.speed;
		}
	};
	self.takeDamage = function (damage) {
		self.health -= damage;
		self.hitsTaken++;
		// Flash red when hit
		LK.effects.flashObject(self, 0xFF0000, 200);
		// Ogres need 2 hits to die
		if (self.hitsTaken >= self.hitsToKill) {
			self.die();
		}
	};
	self.down = function (x, y, obj) {
		// 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;
			}
			projectiles.push(projectile);
			LK.getSound('spellCast').play();
		}
	};
	self.die = function () {
		// Play pain sound when ogre dies
		LK.getSound('painSound').play();
		// Drop coin
		var coin = game.addChild(new Coin());
		coin.x = self.x;
		coin.y = self.y - 50;
		coin.isAnimating = true;
		coins.push(coin);
		// Animate coin moving toward coin counter
		var coinTargetX = 120 + coinText.width / 2;
		var coinTargetY = 90 + coinText.height / 2;
		tween(coin, {
			x: coinTargetX,
			y: coinTargetY,
			scaleX: 0.5,
			scaleY: 0.5
		}, {
			duration: 1000,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				// Increment coin counter after animation
				coinCounter++;
				coinText.setText('Coins: ' + coinCounter);
				// Remove coin from array and destroy
				for (var i = coins.length - 1; i >= 0; i--) {
					if (coins[i] === coin) {
						coins.splice(i, 1);
						break;
					}
				}
				coin.destroy();
			}
		});
		// Increment enemy kill counter
		enemyKillCounter++;
		killCountText.setText('Puntuacion: ' + enemyKillCounter);
		// Add experience to wizard
		wizard.gainExperience(25);
		// Remove from ogres array
		for (var i = ogres.length - 1; i >= 0; i--) {
			if (ogres[i] === self) {
				ogres.splice(i, 1);
				break;
			}
		}
		self.destroy();
		LK.setScore(LK.getScore() + 15);
	};
	return self;
});
var Projectile = Container.expand(function () {
	var self = Container.call(this);
	var projectileGraphics = self.attachAsset('projectile', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 50;
	self.direction = {
		x: 0,
		y: 0
	};
	self.lastIntersecting = {};
	self.update = function () {
		// Move projectile
		self.x += self.direction.x * self.speed;
		self.y += self.direction.y * self.speed;
		// Remove if off screen
		if (self.x < -50 || self.x > 2098 || self.y < -50 || self.y > 2782) {
			self.removeFromGame();
			return;
		}
		// Check collision with enemies
		for (var i = enemies.length - 1; i >= 0; i--) {
			var enemy = enemies[i];
			if (!self.lastIntersecting[i]) {
				self.lastIntersecting[i] = false;
			}
			var currentIntersecting = self.intersects(enemy);
			if (!self.lastIntersecting[i] && currentIntersecting) {
				// Hit enemy
				enemy.takeDamage(50);
				self.removeFromGame();
				return;
			}
			self.lastIntersecting[i] = currentIntersecting;
		}
		// Check collision with ogres
		for (var i = ogres.length - 1; i >= 0; i--) {
			var ogre = ogres[i];
			var ogreKey = 'ogre_' + i;
			if (!self.lastIntersecting[ogreKey]) {
				self.lastIntersecting[ogreKey] = false;
			}
			var currentOgreIntersecting = self.intersects(ogre);
			if (!self.lastIntersecting[ogreKey] && currentOgreIntersecting) {
				// Hit ogre
				ogre.takeDamage(50);
				self.removeFromGame();
				return;
			}
			self.lastIntersecting[ogreKey] = currentOgreIntersecting;
		}
	};
	self.removeFromGame = function () {
		// Remove from projectiles array
		for (var i = projectiles.length - 1; i >= 0; i--) {
			if (projectiles[i] === self) {
				projectiles.splice(i, 1);
				break;
			}
		}
		self.destroy();
	};
	return self;
});
var UpgradeMenu = Container.expand(function () {
	var self = Container.call(this);
	// Set high z-index to ensure menu appears above all game elements
	self.zIndex = 1000;
	// Semi-transparent background overlay
	var menuBg = self.attachAsset('pathSelector', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: 2732 / 2,
		scaleX: 30,
		scaleY: 40
	});
	menuBg.alpha = 0.8;
	menuBg.tint = 0x4A4A4A; // Dark gray background
	// Title text
	var titleText = new Text2('UPGRADES', {
		size: 120,
		fill: 0xFFD700
	});
	titleText.anchor.set(0.5, 0.5);
	titleText.x = 2048 / 2;
	titleText.y = 600;
	self.addChild(titleText);
	// Upgrade options
	var upgradeOptions = [{
		name: 'ATTACK SPEED',
		description: 'Faster spells'
	}, {
		name: 'SPELL POWER',
		description: 'More damage'
	}, {
		name: 'HEALTH BOOST',
		description: 'More health'
	}];
	// Create upgrade buttons
	for (var i = 0; i < upgradeOptions.length; i++) {
		var upgrade = upgradeOptions[i];
		var yPos = 1000 + i * 300;
		// Upgrade button background
		var upgradeBtn = self.attachAsset('wizard', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: 2048 / 2,
			y: yPos,
			scaleX: 3,
			scaleY: 1.5
		});
		upgradeBtn.upgradeIndex = i;
		upgradeBtn.tint = 0x8B008B;
		// Upgrade text
		var upgradeText = new Text2(upgrade.name + '\n' + upgrade.description + '\nCost: 10 coins', {
			size: 60,
			fill: 0xFFFFFF
		});
		upgradeText.anchor.set(0.5, 0.5);
		upgradeText.x = 2048 / 2;
		upgradeText.y = yPos;
		self.addChild(upgradeText);
	}
	// Close button
	var closeBtn = self.attachAsset('coin', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: 2200,
		scaleX: 2,
		scaleY: 2
	});
	closeBtn.tint = 0xFF0000;
	var closeText = new Text2('CLOSE', {
		size: 80,
		fill: 0xFFFFFF
	});
	closeText.anchor.set(0.5, 0.5);
	closeText.x = 2048 / 2;
	closeText.y = 2200;
	self.addChild(closeText);
	// Handle upgrade purchases
	self.down = function (x, y, obj) {
		// Determine which upgrade was clicked based on Y position
		var upgradeIndex = -1;
		if (y >= 850 && y <= 1150) {
			upgradeIndex = 0; // Attack Speed
		} else if (y >= 1150 && y <= 1450) {
			upgradeIndex = 1; // Spell Power
		} else if (y >= 1450 && y <= 1750) {
			upgradeIndex = 2; // Health Boost
		}
		// Check if upgrade button was clicked
		if (upgradeIndex !== -1) {
			if (coinCounter >= 10) {
				coinCounter -= 10;
				coinText.setText('Coins: ' + coinCounter);
				// Apply upgrade based on index
				switch (upgradeIndex) {
					case 0:
						// Attack Speed - reduce cooldown
						wizard.attackCooldown = Math.max(5, wizard.attackCooldown - 5);
						break;
					case 1:
						// Spell Power - increase damage multiplier
						if (!wizard.spellPowerLevel) wizard.spellPowerLevel = 0;
						wizard.spellPowerLevel++;
						break;
					case 2:
						// Health Boost
						wizard.maxHealth += 25;
						wizard.health = Math.min(wizard.health + 25, wizard.maxHealth);
						updateHealthBar();
						break;
				}
				// Visual feedback - flash the upgrade area green
				LK.effects.flashScreen(0x00FF00, 300);
				// Close menu and resume game after successful purchase
				self.closeMenu();
			} else {
				// Not enough coins - flash red
				LK.effects.flashScreen(0xFF0000, 300);
				// Close menu even when not enough coins
				self.closeMenu();
			}
		} else if (y >= 2050 && y <= 2350) {
			// Close button area clicked
			self.closeMenu();
		}
	};
	self.closeMenu = function () {
		self.visible = false;
		gameStarted = true;
		// Resume game time
		LK.playMusic('medievalTheme');
	};
	return self;
});
var Wizard = Container.expand(function () {
	var self = Container.call(this);
	var wizardGraphics = self.attachAsset('wizard', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	self.attackCooldown = 0;
	self.level = 1;
	self.experience = 0;
	self.health = 100;
	self.maxHealth = 100;
	self.spellPowerLevel = 0; // Track spell power upgrades
	self.update = function () {
		if (self.attackCooldown > 0) {
			self.attackCooldown--;
		}
	};
	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();
			// Calculate damage based on spell power upgrades
			var baseDamage = 50;
			var spellPowerMultiplier = 1 + (self.spellPowerLevel || 0) * 0.5; // 50% more damage per upgrade
			var totalDamage = Math.floor(baseDamage * spellPowerMultiplier);
			// Attack enemies in the specified direction/path
			for (var i = enemies.length - 1; i >= 0; i--) {
				var enemy = enemies[i];
				if (enemy.pathIndex === direction) {
					// Check if enemy is within attack range along this path
					var dx = enemy.x - self.x;
					var dy = enemy.y - self.y;
					var distance = Math.sqrt(dx * dx + dy * dy);
					if (distance < 150) {
						// Attack range
						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) {
					// Check if ogre is within attack range along this path
					var dx = ogre.x - self.x;
					var dy = ogre.y - self.y;
					var distance = Math.sqrt(dx * dx + dy * dy);
					if (distance < 150) {
						// Attack range
						ogre.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) {
		self.health -= damage;
		if (self.health <= 0) {
			self.health = 0;
			// Game over when health reaches 0
			LK.effects.flashScreen(0xFF0000, 1000);
			LK.showGameOver();
		}
		// Update health bar
		updateHealthBar();
		// Flash red when hit
		LK.effects.flashObject(self, 0xFF0000, 200);
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x87CEEB // Celeste (sky blue) background
});

/**** 
* Game Code
****/ 
// Game state variables
var gameStarted = false;
var gameMenu;
var upgradeMenu;
var upgradeMenuShown = false;
// Game arrays to track objects
var enemies = [];
var ogres = [];
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 castle background
var castle = game.addChild(LK.getAsset('castle', {
	anchorX: 0.5,
	anchorY: 1.0,
	x: 2048 / 2,
	y: 2732 - 200
}));
castle.visible = false;
// Create 5 dirt paths leading toward the knight position
var paths = [];
var knightX = 2048 / 2;
var knightY = 2732 - 250;
// Create paths: center, two diagonal, and two side paths
var pathAngles = [-Math.PI / 2,
// Center (straight down)
-Math.PI / 4,
// Diagonal right
-3 * Math.PI / 4,
// Diagonal left
0,
// Right side (horizontal)
Math.PI // Left side (horizontal)
]; // 5 paths: center, two diagonal, two sides
for (var p = 0; p < 5; p++) {
	var angle = pathAngles[p];
	// Calculate path length - make center path longer
	var pathLength = p === 0 ? 3000 : 1800; // Center path is longer
	// Calculate path center position to extend from screen edge to knight
	var centerX = knightX + Math.cos(angle) * (pathLength / 2);
	var centerY = knightY + Math.sin(angle) * (pathLength / 2);
	// Create stone path with extended length
	var path = game.addChild(LK.getAsset('stonePath', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: centerX,
		y: centerY,
		scaleY: pathLength / 800,
		// Scale to desired length
		rotation: angle + Math.PI / 2 // Rotate path to point toward knight
	}));
	// Make paths slightly transparent so they don't overwhelm the game
	path.alpha = 0.7;
	path.visible = false;
	// Store path index for identification
	path.pathIndex = p;
	// Add touch handler for directional attacks (enemy elimination is now handled by attacks)
	path.down = function (x, y, obj) {
		// Attack in this path's direction
		wizard.attack(obj.pathIndex);
		// Visual feedback - flash the path briefly
		LK.effects.flashObject(obj, 0xFFFFFF, 300);
	};
	paths.push(path);
}
// Create wizard
var wizard = game.addChild(new Wizard());
wizard.x = knightX;
wizard.y = knightY;
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
});
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
});
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
});
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
});
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;
	}
	// Show upgrade menu after 12 enemies are killed
	if (enemyKillCounter >= 12 && !upgradeMenuShown) {
		upgradeMenuShown = true;
		upgradeMenu.visible = true;
		gameStarted = false; // Pause game while menu is open
		LK.stopMusic(); // Pause music
	}
	// Reset consecutive spawns for paths that have cooled down (runs every frame)
	for (var pathIdx = 0; pathIdx < 5; pathIdx++) {
		// Check if enough time has passed since last spawn (cooldown expired)
		if (pathLastSpawnTime[pathIdx] !== -1 && LK.ticks - pathLastSpawnTime[pathIdx] > pathCooldownDuration) {
			// Reset consecutive spawns for this path due to cooldown
			pathConsecutiveSpawns[pathIdx] = 0;
		}
	}
	// Progressive difficulty system based on kills
	var difficultyLevel = Math.floor(enemyKillCounter / 10); // Every 10 kills increases difficulty
	var currentSpawnRate = Math.max(30, 90 - difficultyLevel * 8); // Faster spawning over time
	var enemyHealthMultiplier = 1 + difficultyLevel * 0.3; // 30% more health per difficulty level
	var enemySpeedMultiplier = 1 + difficultyLevel * 0.35; // 35% faster per difficulty level
	// Spawn enemies
	enemySpawnTimer++;
	if (enemySpawnTimer >= currentSpawnRate) {
		enemySpawnTimer = 0;
		var enemy = game.addChild(new Enemy());
		// Apply difficulty scaling to enemy stats
		enemy.health = Math.floor(100 * enemyHealthMultiplier);
		enemy.maxHealth = enemy.health;
		enemy.speed = 3 * enemySpeedMultiplier;
		// Spawn enemy at a random path entrance
		var randomPathIndex;
		if (enemyKillCounter < 5) {
			// First 5 enemies spawn from center path only
			randomPathIndex = 0; // Center path
		} else {
			// After 5 enemies, spawn from any path but limit consecutive spawns with cooldown system
			// Build available paths list
			var availablePaths = [];
			for (var pathIdx = 0; pathIdx < 5; pathIdx++) {
				// If path has spawned less than 2 consecutive times, it's available
				if (pathConsecutiveSpawns[pathIdx] < 2) {
					availablePaths.push(pathIdx);
				}
			}
			// If no paths available, reset ALL paths to ensure balanced distribution
			if (availablePaths.length === 0) {
				// Reset all paths' consecutive spawn counters
				for (var pathIdx = 0; pathIdx < 5; pathIdx++) {
					pathConsecutiveSpawns[pathIdx] = 0;
					availablePaths.push(pathIdx);
				}
			}
			randomPathIndex = availablePaths[Math.floor(Math.random() * availablePaths.length)];
		}
		// Update path-specific spawn tracking
		// Always increment consecutive spawns for the selected path
		pathConsecutiveSpawns[randomPathIndex]++;
		// Update path spawn time and global tracking
		pathLastSpawnTime[randomPathIndex] = LK.ticks;
		lastSpawnedPath = randomPathIndex;
		consecutiveSpawns = pathConsecutiveSpawns[randomPathIndex];
		var pathAngle = pathAngles[randomPathIndex];
		// Store the path information on the enemy
		enemy.pathIndex = randomPathIndex;
		enemy.pathAngle = pathAngle;
		// Calculate spawn position at the far end of the path (screen edge)
		var pathLength = randomPathIndex === 0 ? 3000 : 1800; // Match path lengths
		var spawnDistance = pathLength * 0.8; // Spawn farther away - 80% of path length
		enemy.x = knightX + Math.cos(pathAngle) * spawnDistance;
		enemy.y = knightY + Math.sin(pathAngle) * spawnDistance;
		// Make sure enemies spawn within screen bounds
		enemy.x = Math.max(50, Math.min(1998, enemy.x));
		enemy.y = Math.max(-200, Math.min(2732 + 100, enemy.y));
		enemy.lastX = enemy.x;
		enemies.push(enemy);
	}
	// Spawn ogres after 15 seconds (900 ticks at 60fps)
	if (LK.ticks >= 900 && LK.ticks % 180 === 0) {
		// Every 3 seconds after 15 seconds
		var ogre = game.addChild(new Ogre());
		// Apply difficulty scaling to ogre stats
		ogre.health = Math.floor(150 * enemyHealthMultiplier); // Ogres have more base health
		ogre.maxHealth = ogre.health;
		ogre.speed = 2.5 * enemySpeedMultiplier; // Ogres are slightly slower
		// Spawn ogre at a random path entrance
		var ogrePathIndex = Math.floor(Math.random() * 5);
		var ogrePathAngle = pathAngles[ogrePathIndex];
		// Store the path information on the ogre
		ogre.pathIndex = ogrePathIndex;
		ogre.pathAngle = ogrePathAngle;
		// Calculate spawn position at the far end of the path (screen edge)
		var ogrePathLength = ogrePathIndex === 0 ? 3000 : 1800;
		var ogreSpawnDistance = ogrePathLength * 0.8;
		ogre.x = knightX + Math.cos(ogrePathAngle) * ogreSpawnDistance;
		ogre.y = knightY + Math.sin(ogrePathAngle) * ogreSpawnDistance;
		// 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);
	}
	// Check enemy-knight collisions and cleanup off-screen enemies
	for (var i = enemies.length - 1; i >= 0; i--) {
		var enemy = enemies[i];
		// Remove enemies that went off-screen at bottom
		if (enemy.y > 2732 + 100) {
			enemies.splice(i, 1);
			enemy.destroy();
			continue;
		}
		// Initialize lastIntersecting if not set
		if (enemy.lastIntersecting === undefined) {
			enemy.lastIntersecting = false;
		}
		// Check for collision transition
		var currentIntersecting = enemy.intersects(wizard);
		if (!enemy.lastIntersecting && currentIntersecting) {
			// Damage wizard when enemy touches for the first time
			wizard.takeDamage(20);
			// Remove enemy after dealing damage
			enemies.splice(i, 1);
			enemy.destroy();
			continue;
		}
		// Update last intersecting state
		enemy.lastIntersecting = currentIntersecting;
	}
	// Check ogre-wizard collisions and cleanup off-screen ogres
	for (var i = ogres.length - 1; i >= 0; i--) {
		var ogre = ogres[i];
		// Remove ogres that went off-screen at bottom
		if (ogre.y > 2732 + 100) {
			ogres.splice(i, 1);
			ogre.destroy();
			continue;
		}
		// Initialize lastIntersecting if not set
		if (ogre.lastIntersecting === undefined) {
			ogre.lastIntersecting = false;
		}
		// Check for collision transition
		var currentOgreIntersecting = ogre.intersects(wizard);
		if (!ogre.lastIntersecting && currentOgreIntersecting) {
			// Damage wizard when ogre touches for the first time
			wizard.takeDamage(30); // Ogres deal more damage
			// Remove ogre after dealing damage
			ogres.splice(i, 1);
			ogre.destroy();
			continue;
		}
		// Update last intersecting state
		ogre.lastIntersecting = currentOgreIntersecting;
	}
	// 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
@@ -515,45 +515,52 @@
 	closeText.y = 2200;
 	self.addChild(closeText);
 	// Handle upgrade purchases
 	self.down = function (x, y, obj) {
+		// Determine which upgrade was clicked based on Y position
+		var upgradeIndex = -1;
+		if (y >= 850 && y <= 1150) {
+			upgradeIndex = 0; // Attack Speed
+		} else if (y >= 1150 && y <= 1450) {
+			upgradeIndex = 1; // Spell Power
+		} else if (y >= 1450 && y <= 1750) {
+			upgradeIndex = 2; // Health Boost
+		}
 		// Check if upgrade button was clicked
-		if (obj.upgradeIndex !== undefined) {
+		if (upgradeIndex !== -1) {
 			if (coinCounter >= 10) {
 				coinCounter -= 10;
 				coinText.setText('Coins: ' + coinCounter);
 				// Apply upgrade based on index
-				switch (obj.upgradeIndex) {
+				switch (upgradeIndex) {
 					case 0:
-						// Attack Speed
+						// Attack Speed - reduce cooldown
 						wizard.attackCooldown = Math.max(5, wizard.attackCooldown - 5);
 						break;
 					case 1:
-						// Spell Power
-						// Increase damage - this will be handled in wizard attack
-						storage.spellPowerLevel = (storage.spellPowerLevel || 0) + 1;
+						// Spell Power - increase damage multiplier
+						if (!wizard.spellPowerLevel) wizard.spellPowerLevel = 0;
+						wizard.spellPowerLevel++;
 						break;
 					case 2:
 						// Health Boost
 						wizard.maxHealth += 25;
 						wizard.health = Math.min(wizard.health + 25, wizard.maxHealth);
 						updateHealthBar();
 						break;
 				}
-				// Visual feedback
-				LK.effects.flashObject(obj, 0x00FF00, 300);
+				// Visual feedback - flash the upgrade area green
+				LK.effects.flashScreen(0x00FF00, 300);
 				// Close menu and resume game after successful purchase
 				self.closeMenu();
 			} else {
-				// Not enough coins - flash red but still close menu
-				LK.effects.flashObject(obj, 0xFF0000, 300);
+				// Not enough coins - flash red
+				LK.effects.flashScreen(0xFF0000, 300);
 				// Close menu even when not enough coins
 				self.closeMenu();
 			}
-		}
-		// Check if close button was clicked
-		if (obj.tint === 0xFF0000) {
-			// Red close button
+		} else if (y >= 2050 && y <= 2350) {
+			// Close button area clicked
 			self.closeMenu();
 		}
 	};
 	self.closeMenu = function () {
@@ -574,8 +581,9 @@
 	self.level = 1;
 	self.experience = 0;
 	self.health = 100;
 	self.maxHealth = 100;
+	self.spellPowerLevel = 0; // Track spell power upgrades
 	self.update = function () {
 		if (self.attackCooldown > 0) {
 			self.attackCooldown--;
 		}
@@ -621,8 +629,12 @@
 				easing: tween.linear
 			});
 			self.attackCooldown = 30; // 0.5 seconds at 60fps
 			LK.getSound('spellCast').play();
+			// Calculate damage based on spell power upgrades
+			var baseDamage = 50;
+			var spellPowerMultiplier = 1 + (self.spellPowerLevel || 0) * 0.5; // 50% more damage per upgrade
+			var totalDamage = Math.floor(baseDamage * spellPowerMultiplier);
 			// Attack enemies in the specified direction/path
 			for (var i = enemies.length - 1; i >= 0; i--) {
 				var enemy = enemies[i];
 				if (enemy.pathIndex === direction) {
@@ -631,9 +643,9 @@
 					var dy = enemy.y - self.y;
 					var distance = Math.sqrt(dx * dx + dy * dy);
 					if (distance < 150) {
 						// Attack range
-						enemy.takeDamage(50);
+						enemy.takeDamage(totalDamage);
 					}
 				}
 			}
 			// Attack ogres in the specified direction/path
@@ -645,9 +657,9 @@
 					var dy = ogre.y - self.y;
 					var distance = Math.sqrt(dx * dx + dy * dy);
 					if (distance < 150) {
 						// Attack range
-						ogre.takeDamage(50);
+						ogre.takeDamage(totalDamage);
 					}
 				}
 			}
 			return true;