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

/**** 
* Classes
****/ 
var ArrowTrail = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('heroProjectile', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	graphics.alpha = 0.8;
	graphics.scaleX = 0.8;
	graphics.scaleY = 2.0; // Elongated for arrow trail effect
	graphics.tint = 0x8b4513; // Brown color for wooden arrow
	self.scaleX = 1.0;
	self.scaleY = 1.0;
	// Arrow trail effect with slight movement
	tween(self, {
		scaleX: 1.3,
		scaleY: 0.8,
		alpha: 0,
		rotation: Math.PI * 0.1
	}, {
		duration: 400,
		easing: tween.easeOut,
		onFinish: function onFinish() {
			self.destroy();
		}
	});
	return self;
});
var Boss = Container.expand(function () {
	var self = Container.call(this);
	self.health = Math.floor(8000 * difficultyScaling.healthMultiplier);
	self.maxHealth = Math.floor(8000 * difficultyScaling.healthMultiplier);
	self.speed = 0.6;
	self.goldValue = 100;
	self.currentTarget = null;
	self.lastX = 0;
	self.lastY = 0;
	self.dustTimer = 0;
	self.motionEffects = [];
	var graphics = self.attachAsset('boos', {
		anchorX: 0.5,
		anchorY: 1
	});
	// Scale boss to be larger
	graphics.scaleX = 1.5;
	graphics.scaleY = 1.5;
	graphics.tint = 0x800080; // Purple tint for boss
	// Add glowing red eyes
	self.redEyes = self.attachAsset('redEyes', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.redEyes.y = -graphics.height * 0.8;
	self.redEyes.scaleX = 1.5;
	self.redEyes.scaleY = 1.5;
	// Make eyes glow with pulsing effect
	self.eyeGlowDirection = 1;
	self.eyeGlowAlpha = 0.8;
	self.targetX = 1024;
	self.targetY = 1366;
	self.findNearestTarget = function () {
		var nearestTarget = null;
		var shortestDistance = Infinity;
		// First priority: Check for glm asset when nearby (within detection range)
		var glmDetectionRange = 400; // Bosses have longer detection range for glm
		for (var glmIndex = 0; glmIndex < game.children.length; glmIndex++) {
			var child = game.children[glmIndex];
			// Check if this child has glm asset attached
			if (child && child.attachedAssets && child.attachedAssets.length > 0) {
				for (var assetIndex = 0; assetIndex < child.attachedAssets.length; assetIndex++) {
					var asset = child.attachedAssets[assetIndex];
					if (asset && asset.asset && asset.asset.id === 'glm') {
						var dx = child.x - self.x;
						var dy = child.y - self.y;
						var distance = Math.sqrt(dx * dx + dy * dy);
						if (distance < glmDetectionRange) {
							// GLM is nearby - prioritize it as target with aggressive behavior
							// Add visual effect to show boss is targeting glm
							LK.effects.flashObject(self, 0xff4500, 300);
							return child;
						}
					}
				}
			}
		}
		// Check crystal tower
		var dx = crystalTower.x - self.x;
		var dy = crystalTower.y - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		nearestTarget = crystalTower;
		shortestDistance = distance;
		// Check hero
		dx = hero.x - self.x;
		dy = hero.y - self.y;
		distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < shortestDistance) {
			nearestTarget = hero;
			shortestDistance = distance;
		}
		// Check towers
		for (var i = 0; i < towers.length; i++) {
			var tower = towers[i];
			dx = tower.x - self.x;
			dy = tower.y - self.y;
			distance = Math.sqrt(dx * dx + dy * dy);
			if (distance < shortestDistance) {
				nearestTarget = tower;
				shortestDistance = distance;
			}
		}
		return nearestTarget;
	};
	self.createDustCloud = function () {
		var dust = LK.getAsset('dustCloud', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		dust.x = self.x + (Math.random() - 0.5) * 30;
		dust.y = self.y + (Math.random() - 0.5) * 20;
		dust.alpha = 0.6;
		game.addChild(dust);
		// Animate dust cloud
		tween(dust, {
			alpha: 0,
			scaleX: 1.5,
			scaleY: 1.5,
			y: dust.y - 20
		}, {
			duration: Math.floor(800 / gameSpeed),
			easing: tween.easeOut,
			onFinish: function onFinish() {
				dust.destroy();
			}
		});
	};
	self.takeDamage = function (damage) {
		self.health -= damage;
		if (self.health <= 0) {
			self.die();
		}
	};
	self.die = function () {
		// Clean up motion effects
		for (var i = 0; i < self.motionEffects.length; i++) {
			self.motionEffects[i].destroy();
		}
		var coin = new GoldCoin();
		coin.x = self.x;
		coin.y = self.y;
		coin.value = self.goldValue;
		game.addChild(coin);
		goldCoins.push(coin);
		LK.getSound('enemyDeath').play();
		enemyKills++; // Increment kill counter when boss dies
		killsText.setText('Enemies Killed: ' + enemyKills);
		// Continue wave progression after boss death and re-enable hero shooting
		bossActive = false;
		heroCanShoot = true;
		// Special wave advancement for wave 5 to 6 transition
		if (wave === 5) {
			wave++;
			enemiesInWave += 2;
			enemiesSpawned = 0;
			enemyKills = 0; // Reset kill counter for next wave
			killsText.setText('Enemies Killed: ' + enemyKills);
			// Update crystal tower HP based on new wave
			var calculatedHP = calculateWaveEnemyHP();
			crystalTower.health = calculatedHP;
			crystalTower.maxHealth = calculatedHP;
			waveText.setText('Wave: ' + wave);
		}
		// Remove boss from enemies array
		for (var i = enemies.length - 1; i >= 0; i--) {
			if (enemies[i] === self) {
				enemies.splice(i, 1);
				break;
			}
		}
		self.destroy();
	};
	self.update = function () {
		// Store last position for motion effects
		self.lastX = self.x;
		self.lastY = self.y;
		// Update glowing eyes effect
		self.eyeGlowAlpha += self.eyeGlowDirection * 0.05 * gameSpeed;
		if (self.eyeGlowAlpha >= 1) {
			self.eyeGlowDirection = -1;
		} else if (self.eyeGlowAlpha <= 0.5) {
			self.eyeGlowDirection = 1;
		}
		self.redEyes.alpha = self.eyeGlowAlpha;
		// Find nearest target and charge toward it
		self.currentTarget = self.findNearestTarget();
		var targetX = self.currentTarget.x;
		var targetY = self.currentTarget.y;
		var dx = targetX - self.x;
		var dy = targetY - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance > 5) {
			// Move toward target with charging behavior
			// Check if targeting glm for increased speed and aggressive behavior
			var currentSpeed = self.speed;
			var isTargetingGlm = false;
			if (self.currentTarget && self.currentTarget.attachedAssets) {
				for (var assetIndex = 0; assetIndex < self.currentTarget.attachedAssets.length; assetIndex++) {
					var asset = self.currentTarget.attachedAssets[assetIndex];
					if (asset && asset.asset && asset.asset.id === 'glm') {
						isTargetingGlm = true;
						currentSpeed = self.speed * 2.0; // 100% speed increase when boss targets glm
						// Add intense red glow to show extreme aggression
						if (LK.ticks % 20 === 0) {
							tween(self, {
								tint: 0xff0000
							}, {
								duration: 150,
								easing: tween.easeOut,
								onFinish: function onFinish() {
									tween(self, {
										tint: 0x800080
									}, {
										duration: 150,
										easing: tween.easeOut
									});
								}
							});
						}
						break;
					}
				}
			}
			var moveX = dx / distance * currentSpeed * gameSpeed;
			var moveY = dy / distance * currentSpeed * gameSpeed;
			self.x += moveX;
			self.y += moveY;
			// Create dust clouds periodically while moving
			self.dustTimer += gameSpeed;
			if (self.dustTimer >= 15) {
				self.createDustCloud();
				self.dustTimer = 0;
			}
		} else {
			// Attack the target (boss deals more damage)
			if (self.currentTarget === crystalTower) {
				crystalTower.takeDamage(40);
				enemyAttacks++;
			} else if (self.currentTarget === hero) {
				// Flash hero red when attacked
				LK.effects.flashObject(hero, 0xff0000, 500);
				// Damage hero
				heroHealth -= 50;
				enemyAttacks++;
				if (heroHealth <= 0 && !heroCollapsed) {
					heroCollapsed = true;
					// Hero collapse effect
					tween(hero, {
						alpha: 0.3,
						scaleX: 0.8,
						scaleY: 0.4,
						rotation: Math.PI / 2
					}, {
						duration: Math.floor(1000 / gameSpeed),
						easing: tween.easeOut
					});
					// Add smoke effect
					var smoke = new SmokeEffect();
					smoke.x = hero.x;
					smoke.y = hero.y;
					game.addChild(smoke);
				}
			} else {
				// Check if target is a tower
				for (var i = 0; i < towers.length; i++) {
					if (towers[i] === self.currentTarget) {
						self.currentTarget.takeDamage();
						enemyAttacks++;
						break;
					}
				}
			}
		}
	};
	return self;
});
var CrystalTower = Container.expand(function () {
	var self = Container.call(this);
	self.health = 1500;
	self.maxHealth = 1500;
	self.range = 200;
	self.damage = 40;
	self.fireRate = 30;
	self.lastShot = 0;
	self.hits = 0;
	self.maxHits = 10;
	// Create magic aura for attack radius visualization
	self.magicAura = new MagicAura();
	self.addChild(self.magicAura);
	// Scale aura to match tower range (range 200 = diameter 400)
	self.magicAura.scaleX = self.range * 2 / 400;
	self.magicAura.scaleY = self.range * 2 / 400;
	var graphics = self.attachAsset('crystalTower', {
		anchorX: 0.5,
		anchorY: 1
	});
	self.takeDamage = function (damage) {
		self.health -= damage;
		self.hits++;
		// Tower blinks red when taking damage
		tween(graphics, {
			tint: 0xff0000
		}, {
			duration: 150,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				tween(graphics, {
					tint: 0xffffff
				}, {
					duration: 150,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						tween(graphics, {
							tint: 0xff0000
						}, {
							duration: 150,
							easing: tween.easeOut,
							onFinish: function onFinish() {
								tween(graphics, {
									tint: 0xffffff
								}, {
									duration: 150,
									easing: tween.easeOut
								});
							}
						});
					}
				});
			}
		});
		LK.effects.flashObject(self, 0xff0000, 500);
		// Add damage effects based on health percentage
		var healthPercent = self.health / self.maxHealth;
		if (healthPercent < 0.7) {
			// Add cracks
			var crack = LK.getAsset('crackEffect', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			crack.x = self.x + (Math.random() - 0.5) * 100;
			crack.y = self.y - Math.random() * 150;
			crack.rotation = Math.random() * Math.PI;
			crack.alpha = 0.8;
			game.addChild(crack);
		}
		if (healthPercent < 0.5) {
			// Add smoke effects
			var smoke = new SmokeEffect();
			smoke.x = self.x + (Math.random() - 0.5) * 80;
			smoke.y = self.y - 100 - Math.random() * 50;
			game.addChild(smoke);
		}
		if (healthPercent < 0.3) {
			// Add red alert glow
			LK.effects.flashScreen(0xff0000, 300);
		}
		if (self.health < 1) {
			// Create massive explosion effect
			for (var i = 0; i < 5; i++) {
				var explosion = new ExplosionEffect();
				explosion.x = self.x + (Math.random() - 0.5) * 150;
				explosion.y = self.y - Math.random() * 200;
				game.addChild(explosion);
			}
			// Play destruction sound
			LK.getSound('towerDestroy').play();
			// Flash screen red for dramatic effect
			LK.effects.flashScreen(0xff0000, 1500);
			// Game ends when main building's HP drops below 1
			LK.showGameOver();
		}
	};
	self.findTarget = function () {
		var closest = null;
		var closestDistance = self.range;
		for (var i = 0; i < enemies.length; i++) {
			var enemy = enemies[i];
			var dx = enemy.x - self.x;
			var dy = enemy.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance < closestDistance) {
				closest = enemy;
				closestDistance = distance;
			}
		}
		return closest;
	};
	self.shoot = function (target) {
		if (LK.ticks - self.lastShot >= Math.floor(self.fireRate / gameSpeed)) {
			var projectile = new TowerProjectile();
			projectile.x = self.x;
			projectile.y = self.y - 60;
			projectile.target = target;
			projectile.damage = self.damage;
			game.addChild(projectile);
			towerProjectiles.push(projectile);
			self.lastShot = LK.ticks;
			// Trigger magical attack aura effect
			self.magicAura.showAttackPulse();
			// Add magical flash effect to tower
			LK.effects.flashObject(graphics, 0x4169e1, 500);
			// Add muzzle flash
			var flash = new MuzzleFlash();
			flash.x = self.x;
			flash.y = self.y - 80;
			game.addChild(flash);
			LK.getSound('towerShoot').play();
		}
	};
	self.update = function () {
		var target = self.findTarget();
		if (target) {
			self.shoot(target);
		}
	};
	return self;
});
var Enemy = Container.expand(function (type) {
	var self = Container.call(this);
	self.enemyType = type || 'goblin';
	self.health = 100;
	self.maxHealth = 100;
	self.speed = 1;
	self.goldValue = 10;
	self.currentTarget = null;
	self.lastX = 0;
	self.lastY = 0;
	self.dustTimer = 0;
	self.motionEffects = [];
	if (self.enemyType === 'goblin') {
		self.health = Math.floor(160 * difficultyScaling.healthMultiplier);
		self.maxHealth = Math.floor(160 * difficultyScaling.healthMultiplier);
		self.speed = 1.5;
		self.goldValue = 15;
		var graphics = self.attachAsset('goblin', {
			anchorX: 0.5,
			anchorY: 1
		});
	} else if (self.enemyType === 'troll') {
		self.health = Math.floor(400 * difficultyScaling.healthMultiplier);
		self.maxHealth = Math.floor(400 * difficultyScaling.healthMultiplier);
		self.speed = 0.8;
		self.goldValue = 30;
		var graphics = self.attachAsset('troll', {
			anchorX: 0.5,
			anchorY: 1
		});
	} else if (self.enemyType === 'skeleton') {
		self.health = Math.floor(240 * difficultyScaling.healthMultiplier);
		self.maxHealth = Math.floor(240 * difficultyScaling.healthMultiplier);
		self.speed = 1.2 * difficultyScaling.skeletonSpeedMultiplier;
		self.goldValue = 20;
		var graphics = self.attachAsset('skeleton', {
			anchorX: 0.5,
			anchorY: 1
		});
	}
	// Add glowing red eyes
	self.redEyes = self.attachAsset('redEyes', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.redEyes.y = -graphics.height * 0.8;
	// Make eyes glow with pulsing effect
	self.eyeGlowDirection = 1;
	self.eyeGlowAlpha = 0.8;
	self.targetX = 1024;
	self.targetY = 1366;
	self.findNearestTarget = function () {
		var nearestTarget = null;
		var shortestDistance = Infinity;
		// First priority: Check for glm asset when nearby (within detection range)
		var glmDetectionRange = 300; // Range within which enemies detect and prioritize glm
		for (var glmIndex = 0; glmIndex < game.children.length; glmIndex++) {
			var child = game.children[glmIndex];
			// Check if this child has glm asset attached
			if (child && child.attachedAssets && child.attachedAssets.length > 0) {
				for (var assetIndex = 0; assetIndex < child.attachedAssets.length; assetIndex++) {
					var asset = child.attachedAssets[assetIndex];
					if (asset && asset.asset && asset.asset.id === 'glm') {
						var dx = child.x - self.x;
						var dy = child.y - self.y;
						var distance = Math.sqrt(dx * dx + dy * dy);
						if (distance < glmDetectionRange) {
							// GLM is nearby - prioritize it as target
							return child;
						}
					}
				}
			}
		}
		// Check crystal tower
		var dx = crystalTower.x - self.x;
		var dy = crystalTower.y - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		nearestTarget = crystalTower;
		shortestDistance = distance;
		// Check hero
		dx = hero.x - self.x;
		dy = hero.y - self.y;
		distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < shortestDistance) {
			nearestTarget = hero;
			shortestDistance = distance;
		}
		// Check towers
		for (var i = 0; i < towers.length; i++) {
			var tower = towers[i];
			dx = tower.x - self.x;
			dy = tower.y - self.y;
			distance = Math.sqrt(dx * dx + dy * dy);
			if (distance < shortestDistance) {
				nearestTarget = tower;
				shortestDistance = distance;
			}
		}
		return nearestTarget;
	};
	self.createDustCloud = function () {
		var dust = LK.getAsset('dustCloud', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		dust.x = self.x + (Math.random() - 0.5) * 30;
		dust.y = self.y + (Math.random() - 0.5) * 20;
		dust.alpha = 0.6;
		game.addChild(dust);
		// Animate dust cloud
		tween(dust, {
			alpha: 0,
			scaleX: 1.5,
			scaleY: 1.5,
			y: dust.y - 20
		}, {
			duration: 800,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				dust.destroy();
			}
		});
	};
	self.takeDamage = function (damage) {
		self.health -= damage;
		if (self.health <= 0) {
			self.die();
		}
	};
	self.die = function () {
		// Clean up motion effects
		for (var i = 0; i < self.motionEffects.length; i++) {
			self.motionEffects[i].destroy();
		}
		var coin = new GoldCoin();
		coin.x = self.x;
		coin.y = self.y;
		coin.value = self.goldValue;
		game.addChild(coin);
		goldCoins.push(coin);
		LK.getSound('enemyDeath').play();
		enemyKills++; // Increment kill counter when enemy dies
		killsText.setText('Enemies Killed: ' + enemyKills);
		for (var i = enemies.length - 1; i >= 0; i--) {
			if (enemies[i] === self) {
				enemies.splice(i, 1);
				break;
			}
		}
		self.destroy();
	};
	self.update = function () {
		// Store last position for motion effects
		self.lastX = self.x;
		self.lastY = self.y;
		// Update glowing eyes effect
		self.eyeGlowAlpha += self.eyeGlowDirection * 0.05 * gameSpeed;
		if (self.eyeGlowAlpha >= 1) {
			self.eyeGlowDirection = -1;
		} else if (self.eyeGlowAlpha <= 0.5) {
			self.eyeGlowDirection = 1;
		}
		self.redEyes.alpha = self.eyeGlowAlpha;
		// Find nearest target and charge toward it
		self.currentTarget = self.findNearestTarget();
		var targetX = self.currentTarget.x;
		var targetY = self.currentTarget.y;
		var dx = targetX - self.x;
		var dy = targetY - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance > 5) {
			// Move toward target with charging behavior
			// Check if targeting glm for increased speed and aggressive behavior
			var currentSpeed = self.speed;
			var isTargetingGlm = false;
			if (self.currentTarget && self.currentTarget.attachedAssets) {
				for (var assetIndex = 0; assetIndex < self.currentTarget.attachedAssets.length; assetIndex++) {
					var asset = self.currentTarget.attachedAssets[assetIndex];
					if (asset && asset.asset && asset.asset.id === 'glm') {
						isTargetingGlm = true;
						currentSpeed = self.speed * 1.5; // 50% speed increase when targeting glm
						// Add red tint to show aggressive state
						if (LK.ticks % 30 === 0) {
							tween(self, {
								tint: 0xff4500
							}, {
								duration: 200,
								easing: tween.easeOut,
								onFinish: function onFinish() {
									tween(self, {
										tint: 0xffffff
									}, {
										duration: 200,
										easing: tween.easeOut
									});
								}
							});
						}
						break;
					}
				}
			}
			var moveX = dx / distance * currentSpeed * gameSpeed;
			var moveY = dy / distance * currentSpeed * gameSpeed;
			self.x += moveX;
			self.y += moveY;
			// Create dust clouds periodically while moving
			self.dustTimer += gameSpeed;
			if (self.dustTimer >= 15) {
				self.createDustCloud();
				self.dustTimer = 0;
			}
		} else {
			// Attack the target
			if (self.currentTarget === crystalTower) {
				crystalTower.takeDamage(20);
				enemyAttacks++;
			} else if (self.currentTarget === hero) {
				// Flash hero red when attacked
				LK.effects.flashObject(hero, 0xff0000, 500);
				// Damage hero
				heroHealth -= 25;
				enemyAttacks++;
				if (heroHealth <= 0 && !heroCollapsed) {
					heroCollapsed = true;
					// Hero collapse effect
					tween(hero, {
						alpha: 0.3,
						scaleX: 0.8,
						scaleY: 0.4,
						rotation: Math.PI / 2
					}, {
						duration: Math.floor(1000 / gameSpeed),
						easing: tween.easeOut
					});
					// Add smoke effect
					var smoke = new SmokeEffect();
					smoke.x = hero.x;
					smoke.y = hero.y;
					game.addChild(smoke);
				}
			} else {
				// Check if target is a tower
				for (var i = 0; i < towers.length; i++) {
					if (towers[i] === self.currentTarget) {
						self.currentTarget.takeDamage();
						enemyAttacks++;
						break;
					}
				}
			}
		}
	};
	return self;
});
var ExplosionEffect = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('explosion', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	graphics.alpha = 0.8;
	self.scaleX = 0.3;
	self.scaleY = 0.3;
	// Animate explosion
	tween(self, {
		scaleX: 2,
		scaleY: 2,
		alpha: 0
	}, {
		duration: 600,
		easing: tween.easeOut,
		onFinish: function onFinish() {
			self.destroy();
		}
	});
	return self;
});
var GLMWaveAnnouncement = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('glm', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.animationDuration = 2000; // Total animation time
	self.onScreenDuration = 800; // Time spent visible on screen
	self.startAnimation = function () {
		// Random starting position from screen edges
		var side = Math.floor(Math.random() * 4);
		var startX, startY, endX, endY, finalX, finalY;
		// Calculate positions for smooth movement path
		if (side === 0) {
			// Top
			startX = Math.random() * 2048;
			startY = -100;
			endX = 500 + Math.random() * 1048;
			endY = 200 + Math.random() * 400;
		} else if (side === 1) {
			// Right
			startX = 2148;
			startY = Math.random() * 2732;
			endX = 1400 + Math.random() * 400;
			endY = 500 + Math.random() * 800;
		} else if (side === 2) {
			// Bottom
			startX = Math.random() * 2048;
			startY = 2832;
			endX = 500 + Math.random() * 1048;
			endY = 1800 + Math.random() * 400;
		} else {
			// Left
			startX = -100;
			startY = Math.random() * 2732;
			endX = 200 + Math.random() * 400;
			endY = 500 + Math.random() * 800;
		}
		// Exit position (opposite side with slight variation)
		var exitSide = (side + 2) % 4;
		if (exitSide === 0) {
			// Top
			finalX = endX + (Math.random() - 0.5) * 300;
			finalY = -100;
		} else if (exitSide === 1) {
			// Right
			finalX = 2148;
			finalY = endY + (Math.random() - 0.5) * 300;
		} else if (exitSide === 2) {
			// Bottom
			finalX = endX + (Math.random() - 0.5) * 300;
			finalY = 2832;
		} else {
			// Left
			finalX = -100;
			finalY = endY + (Math.random() - 0.5) * 300;
		}
		// Set starting position
		self.x = startX;
		self.y = startY;
		self.alpha = 0;
		self.scaleX = 0.5;
		self.scaleY = 0.5;
		// Phase 1: Move onto screen with fade in
		tween(self, {
			x: endX,
			y: endY,
			alpha: 1,
			scaleX: 1,
			scaleY: 1
		}, {
			duration: 600,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				// Phase 2: Brief pause on screen
				LK.setTimeout(function () {
					// Phase 3: Move off screen with fade out
					tween(self, {
						x: finalX,
						y: finalY,
						alpha: 0,
						scaleX: 0.8,
						scaleY: 0.8
					}, {
						duration: 800,
						easing: tween.easeIn,
						onFinish: function onFinish() {
							self.destroy();
						}
					});
				}, self.onScreenDuration);
			}
		});
		// Add slight rotation for dynamic effect
		tween(self, {
			rotation: (Math.random() - 0.5) * 0.4
		}, {
			duration: self.animationDuration,
			easing: tween.easeInOut
		});
	};
	return self;
});
var GoldCoin = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('goldCoin', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.value = 10;
	self.collected = false;
	self.collect = function () {
		if (!self.collected) {
			self.collected = true;
			gold += self.value;
			goldText.setText('Gold: ' + gold);
			LK.getSound('coinCollect').play();
			for (var i = goldCoins.length - 1; i >= 0; i--) {
				if (goldCoins[i] === self) {
					goldCoins.splice(i, 1);
					break;
				}
			}
			self.destroy();
		}
	};
	self.down = function (x, y, obj) {
		self.collect();
	};
	return self;
});
var GrassPatch = Container.expand(function (grassType) {
	var self = Container.call(this);
	self.grassType = grassType || 'grassPatch';
	self.swayAmount = 0.1 + Math.random() * 0.15; // Random sway intensity
	self.swaySpeed = 2000 + Math.random() * 1000; // Random sway duration
	var graphics = self.attachAsset(self.grassType, {
		anchorX: 0.5,
		anchorY: 1
	});
	// Start initial sway animation
	self.startSway = function () {
		var targetRotation = self.swayAmount * (Math.random() > 0.5 ? 1 : -1);
		tween(self, {
			rotation: targetRotation
		}, {
			duration: self.swaySpeed,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				// Reverse sway direction
				var reverseRotation = -targetRotation * (0.8 + Math.random() * 0.4);
				tween(self, {
					rotation: reverseRotation
				}, {
					duration: self.swaySpeed * (0.8 + Math.random() * 0.4),
					easing: tween.easeInOut,
					onFinish: function onFinish() {
						self.startSway(); // Continue swaying indefinitely
					}
				});
			}
		});
	};
	// Start swaying with random delay to create natural effect
	LK.setTimeout(function () {
		self.startSway();
	}, Math.random() * 2000);
	return self;
});
var HealthBarButton = Container.expand(function () {
	var self = Container.call(this);
	// Create border with subtle shadow effect
	var border = self.attachAsset('healthBarBorder', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	border.alpha = 0.8;
	// Create base/background
	var base = self.attachAsset('healthBarBase', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Create health fill with gradient effect
	self.healthFill = self.attachAsset('healthBarFill', {
		anchorX: 0,
		anchorY: 0.5
	});
	self.healthFill.x = -99; // Center the fill
	self.healthFill.y = 0;
	// Create heart icon
	self.heartIcon = self.attachAsset('heartIcon', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.heartIcon.x = -85; // Position on left side
	self.heartIcon.y = 0;
	self.heartIcon.scaleX = 0.8;
	self.heartIcon.scaleY = 0.8;
	// Add glossy highlight effect
	var highlight = self.attachAsset('healthBarBase', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	highlight.tint = 0xffffff;
	highlight.alpha = 0.3;
	highlight.scaleY = 0.4;
	highlight.y = -6;
	// Health bar properties
	self.currentHealth = 100;
	self.maxHealth = 100;
	self.lastHealth = 100;
	// Animation properties
	self.pulseDirection = 1;
	self.glowIntensity = 0.8;
	self.setHealth = function (current, max) {
		if (max !== undefined) {
			self.maxHealth = max;
		}
		self.currentHealth = Math.max(0, Math.min(current, self.maxHealth));
		self.updateHealthDisplay();
	};
	self.updateHealthDisplay = function () {
		var healthPercent = self.currentHealth / self.maxHealth;
		// Update fill width
		self.healthFill.scaleX = healthPercent;
		// Update color based on health level
		if (healthPercent > 0.6) {
			// Green to yellow gradient
			var greenComponent = 1.0;
			var redComponent = (1.0 - healthPercent) * 2.5;
			self.healthFill.tint = Math.floor(redComponent * 255) << 16 | Math.floor(greenComponent * 255) << 8 | 0;
		} else if (healthPercent > 0.3) {
			// Yellow to orange
			self.healthFill.tint = 0xffa500;
		} else {
			// Red with pulsing effect for critical health
			self.healthFill.tint = 0xff0000;
		}
		// Animate health changes
		if (self.currentHealth !== self.lastHealth) {
			self.animateHealthChange();
			self.lastHealth = self.currentHealth;
		}
	};
	self.animateHealthChange = function () {
		// Scale animation for health change
		tween(self, {
			scaleX: 1.05,
			scaleY: 1.05
		}, {
			duration: 150,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				tween(self, {
					scaleX: 1.0,
					scaleY: 1.0
				}, {
					duration: 150,
					easing: tween.easeOut
				});
			}
		});
		// Heart beat animation
		tween(self.heartIcon, {
			scaleX: 1.0,
			scaleY: 1.0
		}, {
			duration: 100,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				tween(self.heartIcon, {
					scaleX: 0.8,
					scaleY: 0.8
				}, {
					duration: 200,
					easing: tween.easeOut
				});
			}
		});
	};
	self.update = function () {
		// Subtle pulsing glow effect
		self.glowIntensity += self.pulseDirection * 0.02;
		if (self.glowIntensity >= 1.0) {
			self.pulseDirection = -1;
		} else if (self.glowIntensity <= 0.6) {
			self.pulseDirection = 1;
		}
		// Apply glow to border
		border.alpha = 0.6 + (self.glowIntensity - 0.6) * 0.4;
		// Critical health warning pulse
		if (self.currentHealth / self.maxHealth <= 0.2) {
			var criticalPulse = Math.sin(LK.ticks * 0.3) * 0.3 + 0.7;
			self.healthFill.alpha = criticalPulse;
			self.heartIcon.alpha = criticalPulse;
		} else {
			self.healthFill.alpha = 1.0;
			self.heartIcon.alpha = 1.0;
		}
	};
	// Initialize display
	self.updateHealthDisplay();
	return self;
});
var Hero = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('hero', {
		anchorX: 0.5,
		anchorY: 1
	});
	self.speed = 3;
	self.range = 450;
	self.damage = 35;
	self.fireRate = 20;
	self.lastShot = 0;
	self.findTarget = function () {
		var closest = null;
		var closestDistance = self.range;
		for (var i = 0; i < enemies.length; i++) {
			var enemy = enemies[i];
			var dx = enemy.x - self.x;
			var dy = enemy.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance < closestDistance) {
				closest = enemy;
				closestDistance = distance;
			}
		}
		return closest;
	};
	self.shoot = function (target) {
		if (LK.ticks - self.lastShot >= Math.floor(self.fireRate / gameSpeed)) {
			var projectile = new HeroProjectile();
			projectile.x = self.x;
			projectile.y = self.y - 25;
			projectile.target = target;
			projectile.damage = self.damage;
			game.addChild(projectile);
			heroProjectiles.push(projectile);
			self.lastShot = LK.ticks;
		}
	};
	self.update = function () {
		// Only shoot if hero is not collapsed (dead) and is allowed to shoot
		if (!heroCollapsed && heroCanShoot) {
			var target = self.findTarget();
			if (target) {
				self.shoot(target);
			}
		}
	};
	return self;
});
var HeroProjectile = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('heroProjectile', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 10;
	self.target = null;
	self.damage = 35;
	self.update = function () {
		if (!self.target || self.target.destroyed) {
			self.destroy();
			for (var i = heroProjectiles.length - 1; i >= 0; i--) {
				if (heroProjectiles[i] === self) {
					heroProjectiles.splice(i, 1);
					break;
				}
			}
			return;
		}
		var dx = self.target.x - self.x;
		var dy = self.target.y - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < 20) {
			self.target.takeDamage(self.damage);
			LK.getSound('arrowImpact').play();
			self.destroy();
			for (var i = heroProjectiles.length - 1; i >= 0; i--) {
				if (heroProjectiles[i] === self) {
					heroProjectiles.splice(i, 1);
					break;
				}
			}
		} else {
			self.x += dx / distance * self.speed * gameSpeed;
			self.y += dy / distance * self.speed * gameSpeed;
		}
	};
	return self;
});
var MagicAura = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('magicAura', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	graphics.alpha = 0.2;
	self.pulseDirection = 1;
	self.basePulse = 0.15;
	self.currentPulse = self.basePulse;
	self.update = function () {
		// Create pulsing effect
		self.currentPulse += self.pulseDirection * 0.003;
		if (self.currentPulse >= 0.4) {
			self.pulseDirection = -1;
		} else if (self.currentPulse <= self.basePulse) {
			self.pulseDirection = 1;
		}
		graphics.alpha = self.currentPulse;
		// Slight rotation for magical effect
		graphics.rotation += 0.01;
	};
	self.showAttackPulse = function () {
		// Flash brighter when tower attacks
		tween(graphics, {
			alpha: 0.7,
			scaleX: 1.2,
			scaleY: 1.2
		}, {
			duration: 300,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				tween(graphics, {
					alpha: self.currentPulse,
					scaleX: 1,
					scaleY: 1
				}, {
					duration: 200,
					easing: tween.easeIn
				});
			}
		});
	};
	return self;
});
var MuzzleFlash = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('muzzleFlash', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	graphics.alpha = 0.9;
	self.scaleX = 0.5;
	self.scaleY = 0.5;
	// Quick flash effect
	tween(self, {
		scaleX: 1.5,
		scaleY: 1.5,
		alpha: 0
	}, {
		duration: 200,
		easing: tween.easeOut,
		onFinish: function onFinish() {
			self.destroy();
		}
	});
	return self;
});
var SmokeEffect = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('smokeCloud', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	graphics.alpha = 0.4;
	self.scaleX = 0.8;
	self.scaleY = 0.8;
	// Rising smoke animation
	tween(self, {
		y: self.y - 100,
		scaleX: 1.5,
		scaleY: 1.5,
		alpha: 0
	}, {
		duration: 2000,
		easing: tween.easeOut,
		onFinish: function onFinish() {
			self.destroy();
		}
	});
	return self;
});
var StylizedButton = Container.expand(function (config) {
	var self = Container.call(this);
	// Default configuration
	var buttonConfig = config || {};
	self.buttonWidth = buttonConfig.width || 200;
	self.buttonHeight = buttonConfig.height || 80;
	self.buttonColor = buttonConfig.color || 0x4169e1;
	self.textContent = buttonConfig.text || "Button";
	self.textSize = buttonConfig.textSize || 28;
	// Create button layers for depth effect
	self.shadow = self.attachAsset('uiPanel', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.shadow.scaleX = self.buttonWidth / 200;
	self.shadow.scaleY = self.buttonHeight / 100;
	self.shadow.tint = 0x000000;
	self.shadow.alpha = 0.3;
	self.shadow.x = 3;
	self.shadow.y = 3;
	// Main button background
	self.background = self.attachAsset('uiPanel', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.background.scaleX = self.buttonWidth / 200;
	self.background.scaleY = self.buttonHeight / 100;
	self.background.tint = self.buttonColor;
	// Gradient highlight overlay
	self.highlight = self.attachAsset('uiPanel', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.highlight.scaleX = self.buttonWidth / 200;
	self.highlight.scaleY = self.buttonHeight * 0.4 / 100;
	self.highlight.tint = 0xffffff;
	self.highlight.alpha = 0.3;
	self.highlight.y = -self.buttonHeight * 0.15;
	// Button border for polish
	self.border = self.attachAsset('uiPanel', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.border.scaleX = (self.buttonWidth + 4) / 200;
	self.border.scaleY = (self.buttonHeight + 4) / 100;
	self.border.tint = 0xffffff;
	self.border.alpha = 0.6;
	// Move background to front
	self.removeChild(self.background);
	self.addChild(self.background);
	// Move highlight to front
	self.removeChild(self.highlight);
	self.addChild(self.highlight);
	// Button text
	self.buttonText = new Text2(self.textContent, {
		size: self.textSize,
		fill: 0xFFFFFF
	});
	self.buttonText.anchor.set(0.5, 0.5);
	self.addChild(self.buttonText);
	// Animation properties
	self.isPressed = false;
	self.glowIntensity = 0.8;
	self.glowDirection = 1;
	// Hover/glow animation
	self.update = function () {
		// Subtle glow pulsing
		self.glowIntensity += self.glowDirection * 0.015;
		if (self.glowIntensity >= 1.0) {
			self.glowDirection = -1;
		} else if (self.glowIntensity <= 0.6) {
			self.glowDirection = 1;
		}
		// Apply glow to border
		self.border.alpha = 0.4 + (self.glowIntensity - 0.6) * 0.5;
	};
	// Press animation
	self.playPressAnimation = function () {
		if (self.isPressed) return;
		self.isPressed = true;
		// Scale down effect
		tween(self, {
			scaleX: 0.95,
			scaleY: 0.95
		}, {
			duration: 80,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				// Scale back up
				tween(self, {
					scaleX: 1.0,
					scaleY: 1.0
				}, {
					duration: 120,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						self.isPressed = false;
					}
				});
			}
		});
		// Flash highlight
		tween(self.highlight, {
			alpha: 0.6
		}, {
			duration: 100,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				tween(self.highlight, {
					alpha: 0.3
				}, {
					duration: 150,
					easing: tween.easeOut
				});
			}
		});
	};
	// Update text content
	self.setText = function (newText) {
		self.buttonText.setText(newText);
	};
	// Update button color
	self.setColor = function (newColor) {
		self.buttonColor = newColor;
		self.background.tint = newColor;
	};
	return self;
});
var Tower = Container.expand(function (type) {
	var self = Container.call(this);
	self.towerType = type || 'archer';
	self.range = 150;
	self.damage = 25;
	self.fireRate = 60;
	self.lastShot = 0;
	self.hits = 0;
	self.maxHits = 4;
	if (self.towerType === 'archer') {
		self.range = 380;
		self.damage = 30;
		self.fireRate = 45;
		self.maxHits = 500;
		var graphics = self.attachAsset('archerTower', {
			anchorX: 0.5,
			anchorY: 1
		});
	} else if (self.towerType === 'cannon') {
		self.range = 120;
		self.damage = 60;
		self.fireRate = 90;
		self.maxHits = 40;
		var graphics = self.attachAsset('cannonTower', {
			anchorX: 0.5,
			anchorY: 1
		});
	}
	self.takeDamage = function () {
		self.hits++;
		// Tower blinks red when taking damage
		tween(graphics, {
			tint: 0xff0000
		}, {
			duration: 200,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				tween(graphics, {
					tint: 0xffffff
				}, {
					duration: 200,
					easing: tween.easeOut
				});
			}
		});
		if (self.hits === self.maxHits) {
			// Create explosion effect
			var explosion = new ExplosionEffect();
			explosion.x = self.x;
			explosion.y = self.y;
			game.addChild(explosion);
			// Play destruction sound
			LK.getSound('towerDestroy').play();
			// Remove from towers array
			for (var i = towers.length - 1; i >= 0; i--) {
				if (towers[i] === self) {
					towers.splice(i, 1);
					break;
				}
			}
			self.destroy();
		}
	};
	self.findTarget = function () {
		var closest = null;
		var closestDistance = self.range;
		for (var i = 0; i < enemies.length; i++) {
			var enemy = enemies[i];
			var dx = enemy.x - self.x;
			var dy = enemy.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance < closestDistance) {
				closest = enemy;
				closestDistance = distance;
			}
		}
		return closest;
	};
	self.shoot = function (target) {
		if (LK.ticks - self.lastShot >= Math.floor(self.fireRate / gameSpeed)) {
			var projectile = new TowerProjectile();
			projectile.x = self.x;
			projectile.y = self.y - 40;
			projectile.target = target;
			projectile.damage = self.damage;
			game.addChild(projectile);
			towerProjectiles.push(projectile);
			self.lastShot = LK.ticks;
			LK.getSound('towerShoot').play();
			// Add different visual effects based on tower type
			if (self.towerType === 'archer') {
				// Arrow trail effect for archer towers
				var arrowTrail = new ArrowTrail();
				arrowTrail.x = self.x;
				arrowTrail.y = self.y - 30;
				game.addChild(arrowTrail);
			} else {
				// Muzzle flash effect for other tower types
				var flash = new MuzzleFlash();
				flash.x = self.x;
				flash.y = self.y - 30;
				game.addChild(flash);
			}
		}
	};
	self.update = function () {
		var target = self.findTarget();
		if (target) {
			self.shoot(target);
		}
	};
	return self;
});
var TowerProjectile = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('towerProjectile', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 8;
	self.target = null;
	self.damage = 25;
	self.update = function () {
		if (!self.target || self.target.destroyed) {
			self.destroy();
			for (var i = towerProjectiles.length - 1; i >= 0; i--) {
				if (towerProjectiles[i] === self) {
					towerProjectiles.splice(i, 1);
					break;
				}
			}
			return;
		}
		var dx = self.target.x - self.x;
		var dy = self.target.y - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < 20) {
			self.target.takeDamage(self.damage);
			self.destroy();
			for (var i = towerProjectiles.length - 1; i >= 0; i--) {
				if (towerProjectiles[i] === self) {
					towerProjectiles.splice(i, 1);
					break;
				}
			}
		} else {
			self.x += dx / distance * self.speed * gameSpeed;
			self.y += dy / distance * self.speed * gameSpeed;
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x1a4d1a
});

/**** 
* Game Code
****/ 
var enemies = [];
var towers = [];
var towerProjectiles = [];
var heroProjectiles = [];
var goldCoins = [];
var crystalTower;
var hero;
var gold = 100;
var wave = 1;
var enemiesInWave = 5;
var enemySpawnTimer = 0;
var minEnemiesOnField = 3; // Always maintain minimum enemies
var enemiesSpawned = 0;
var waveComplete = false;
var draggedHero = false;
var heroCollapsed = false;
var heroHealth = 5000;
var heroMaxHealth = 5000;
var enemyAttacks = 0;
var enemyKills = 0;
var bossActive = false;
var difficultyScaling = {
	healthMultiplier: 1.0,
	skeletonSpeedMultiplier: 1.0
};
var scalingApplied = 0; // Track which wave milestone we last applied scaling for
// Control hero shooting behavior
var heroCanShoot = true;
// Track enemies in contact with crystal tower for continuous damage
var enemiesInContact = [];
var contactDamageTimer = 0;
// Hero contact damage system
var heroContactDamageRate = 1; // Base damage per second
var heroContactDamageTimer = 0;
var enemiesInContactWithHero = [];
// Game speed control
var gameSpeed = 1.0;
var gameSpeedOptions = [1.0, 1.5, 2.0, 3.0, 5.0];
var currentSpeedIndex = 0;
// Sound control
var soundMuted = false;
// Grass background removed - clean battlefield environment
var grassPatches = [];
// Function to calculate total enemy HP for current wave
function calculateWaveEnemyHP() {
	var totalHP = 0;
	var regularEnemyCount = 0;
	var bossCount = 0;
	// Determine enemy composition for current wave
	if (wave === 5) {
		bossCount = 1;
		regularEnemyCount = 0;
	} else if (wave === 10) {
		bossCount = 2;
		regularEnemyCount = 28;
	} else if (wave === 15) {
		bossCount = 1;
		regularEnemyCount = 5 + (wave - 1) * 2;
	} else if (wave === 100) {
		bossCount = 1; // Special boss with 10000 HP
		regularEnemyCount = 0;
		totalHP += 10000; // Special boss HP
		return Math.floor(totalHP / 2);
	} else {
		bossCount = 0;
		regularEnemyCount = 5 + (wave - 1) * 2;
	}
	// Calculate boss HP
	if (bossCount > 0 && wave !== 100) {
		var bossHP = Math.floor(8000 * difficultyScaling.healthMultiplier);
		totalHP += bossHP * bossCount;
	}
	// Calculate regular enemy HP (mix of goblins, skeletons, trolls)
	if (regularEnemyCount > 0) {
		var avgEnemyHP = 0;
		if (wave < 3) {
			// Only goblins and skeletons
			avgEnemyHP = (160 + 240) / 2; // Average of goblin (160) and skeleton (240)
		} else {
			// All enemy types including trolls
			avgEnemyHP = (160 + 240 + 400) / 3; // Average including troll (400)
		}
		avgEnemyHP = Math.floor(avgEnemyHP * difficultyScaling.healthMultiplier);
		totalHP += avgEnemyHP * regularEnemyCount;
	}
	return Math.floor(totalHP / 2);
}
// Add dungeon background at center
var dungeonBackground = LK.getAsset('dungeonBackground', {
	anchorX: 0.5,
	anchorY: 0.5
});
dungeonBackground.x = 1024;
dungeonBackground.y = 1366;
game.addChild(dungeonBackground);
// Create crystal tower at center
crystalTower = new CrystalTower();
crystalTower.x = 1024;
crystalTower.y = 1366;
// Set HP to half of total enemy HP for current wave
var calculatedHP = calculateWaveEnemyHP();
crystalTower.health = calculatedHP;
crystalTower.maxHealth = calculatedHP;
game.addChild(crystalTower);
// Create hero
hero = new Hero();
hero.x = 900;
hero.y = 1200;
game.addChild(hero);
// Create hero HP bar that follows hero
var heroHealthBar = LK.getAsset('uiPanel', {
	anchorX: 0.5,
	anchorY: 0.5
});
heroHealthBar.scaleX = 1.0;
heroHealthBar.scaleY = 0.6;
heroHealthBar.tint = 0x404040;
game.addChild(heroHealthBar);
var heroHealthFill = LK.getAsset('uiPanel', {
	anchorX: 0,
	anchorY: 0.5
});
heroHealthFill.scaleX = 1.0;
heroHealthFill.scaleY = 0.6;
heroHealthFill.tint = 0x00ff00;
heroHealthBar.addChild(heroHealthFill);
heroHealthFill.x = -100;
heroHealthFill.y = 0;
var heroHealthText = new Text2(heroHealth + '/' + heroMaxHealth, {
	size: 28,
	fill: 0xFFFFFF
});
heroHealthText.anchor.set(0.5, 0.5);
heroHealthBar.addChild(heroHealthText);
// UI Elements
var goldText = new Text2('Gold: ' + gold, {
	size: 40,
	fill: 0xFFD700
});
goldText.anchor.set(0, 0);
LK.gui.topRight.addChild(goldText);
goldText.x = -350;
goldText.y = 20;
// Add click handler to gold text to set gold to 10,000 (simplified approach)
goldText.down = function (x, y, obj) {
	// Set gold to 10,000 on any click
	gold = 10000;
	goldText.setText('Gold: ' + gold);
	// Flash screen gold to show effect
	LK.effects.flashScreen(0xFFD700, 500);
};
var killsText = new Text2('Enemies Killed: ' + enemyKills, {
	size: 40,
	fill: 0xFFFFFF
});
killsText.anchor.set(0, 0);
LK.gui.topRight.addChild(killsText);
killsText.x = -350;
killsText.y = 70;
var waveText = new Text2('Wave: ' + wave, {
	size: 60,
	fill: 0xFFFFFF
});
waveText.anchor.set(0, 0);
LK.gui.top.addChild(waveText);
waveText.x = -100;
waveText.y = 50;
var healthText = new Text2('Tower HP: ' + crystalTower.health, {
	size: 50,
	fill: 0x00FFFF
});
healthText.anchor.set(0, 0);
LK.gui.bottom.addChild(healthText);
healthText.x = -150;
healthText.y = -80;
// Boss health bar (initially hidden)
var bossHealthBar = LK.getAsset('uiPanel', {
	anchorX: 0.5,
	anchorY: 0.5
});
bossHealthBar.scaleX = 4;
bossHealthBar.scaleY = 0.5;
bossHealthBar.tint = 0x800080;
bossHealthBar.visible = false;
LK.gui.top.addChild(bossHealthBar);
bossHealthBar.x = 0;
bossHealthBar.y = 100;
var bossHealthFill = LK.getAsset('uiPanel', {
	anchorX: 0,
	anchorY: 0.5
});
bossHealthFill.scaleX = 4;
bossHealthFill.scaleY = 0.4;
bossHealthFill.tint = 0xff0000;
bossHealthFill.visible = false;
bossHealthBar.addChild(bossHealthFill);
bossHealthFill.x = -400;
bossHealthFill.y = 0;
var bossHealthText = new Text2('BOSS', {
	size: 40,
	fill: 0xFFFFFF
});
bossHealthText.anchor.set(0.5, 0.5);
bossHealthText.visible = false;
LK.gui.top.addChild(bossHealthText);
bossHealthText.x = 0;
bossHealthText.y = 60;
// Tower placement UI
var archerButton = new StylizedButton({
	width: 160,
	height: 100,
	color: 0x8b4513,
	text: 'Archer\n50g',
	textSize: 30
});
archerButton.x = 150;
archerButton.y = -150;
LK.gui.bottom.addChild(archerButton);
// Game speed button
var speedButton = new StylizedButton({
	width: 160,
	height: 60,
	color: 0x4169e1,
	text: 'Speed: 1.0x',
	textSize: 28
});
speedButton.x = 150;
speedButton.y = -50;
LK.gui.bottomLeft.addChild(speedButton);
// Restart button
var restartButton = new StylizedButton({
	width: 180,
	height: 70,
	color: 0xff4500,
	text: 'Restart',
	textSize: 28
});
restartButton.x = 150;
restartButton.y = -200;
LK.gui.bottomLeft.addChild(restartButton);
// Map panning state
var isPanning = false;
var panStartX = 0;
var panStartY = 0;
var panLastX = 0;
var panLastY = 0;
var mapOffsetX = 0;
var mapOffsetY = 0;
// Map expansion variables
var mapBounds = {
	left: 0,
	right: 2048,
	top: 0,
	bottom: 2732
};
var mapExpansionDistance = 500; // How much to expand when character reaches edge
// Range upgrade button
// Range upgrade pricing system
var rangeUpgradeCost = 5000;
var rangeUpgradeLevel = 0;
var rangeUpgradeButton = new StylizedButton({
	width: 180,
	height: 70,
	color: 0x9932cc,
	text: 'Range+\n5000g',
	textSize: 28
});
rangeUpgradeButton.x = 150;
rangeUpgradeButton.y = -400;
LK.gui.bottomLeft.addChild(rangeUpgradeButton);
// HP regeneration button - stylized health bar design
var regenButton = new HealthBarButton();
regenButton.x = 150;
regenButton.y = -300;
regenButton.scaleX = 1.2;
regenButton.scaleY = 1.5;
LK.gui.bottomLeft.addChild(regenButton);
// Set initial health display for the button
regenButton.setHealth(75, 100); // Show 75% health as example
var regenText = new Text2('Heal 10000g', {
	size: 24,
	fill: 0xFFFFFF
});
regenText.anchor.set(0.5, 0.5);
regenText.y = 25; // Position below the health bar
regenButton.addChild(regenText);
// Range upgrade button handler
rangeUpgradeButton.down = function (x, y, obj) {
	// Check if player has enough gold
	if (gold >= rangeUpgradeCost) {
		// Play stylized button press animation
		rangeUpgradeButton.playPressAnimation();
		// Deduct gold
		gold -= rangeUpgradeCost;
		goldText.setText('Gold: ' + gold);
		// Double the crystal tower's range and magic aura size
		crystalTower.range *= 2;
		crystalTower.magicAura.scaleX = crystalTower.range * 2 / 400;
		crystalTower.magicAura.scaleY = crystalTower.range * 2 / 400;
		// Flash crystal tower blue to show upgrade
		LK.effects.flashObject(crystalTower, 0x4169e1, 1000);
		// Flash screen blue for upgrade effect
		LK.effects.flashScreen(0x4169e1, 500);
		// Update upgrade level and cost for next purchase
		rangeUpgradeLevel++;
		if (rangeUpgradeLevel === 1) {
			rangeUpgradeCost = 25000;
			rangeUpgradeButton.setText('Range+\n25000g');
		}
		// Animate button color change to show upgrade progression
		tween(rangeUpgradeButton, {
			tint: 0xffd700
		}, {
			duration: 300,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				tween(rangeUpgradeButton, {
					tint: 0xffffff
				}, {
					duration: 200,
					easing: tween.easeOut
				});
			}
		});
	}
};
// HP regeneration button handler
regenButton.down = function (x, y, obj) {
	// Check if player has enough gold
	if (gold >= 10000) {
		// Animate health bar filling up
		tween(regenButton, {
			scaleX: 1.4,
			scaleY: 1.7
		}, {
			duration: 100,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				// Animate health bar fill to 100%
				var fillTween = function fillTween(startHealth, targetHealth, duration) {
					var healthDiff = targetHealth - startHealth;
					var steps = 30;
					var stepSize = healthDiff / steps;
					var currentStep = 0;
					var _animateStep = function animateStep() {
						if (currentStep < steps) {
							regenButton.setHealth(startHealth + stepSize * currentStep, 100);
							currentStep++;
							LK.setTimeout(_animateStep, duration / steps);
						} else {
							regenButton.setHealth(targetHealth, 100);
						}
					};
					_animateStep();
				};
				// Animate from current to full health
				fillTween(regenButton.currentHealth, 100, 800);
				tween(regenButton, {
					scaleX: 1.2,
					scaleY: 1.5
				}, {
					duration: 200,
					easing: tween.easeOut
				});
			}
		});
		// Deduct gold and restore hero health
		gold -= 10000;
		heroHealth = heroMaxHealth;
		goldText.setText('Gold: ' + gold);
		// Flash hero green to show healing
		LK.effects.flashObject(hero, 0x00ff00, 1000);
		// Flash screen green for healing effect
		LK.effects.flashScreen(0x00ff00, 500);
	}
};
// Wave selection buttons
var waveButtons = [];
var waveOptions = [1, 5, 10, 15, 20, 30, 40, 50];
for (var w = 0; w < waveOptions.length; w++) {
	var waveNumber = waveOptions[w];
	var waveButton = new StylizedButton({
		width: 80,
		height: 50,
		color: 0x4b0082,
		text: 'W' + waveNumber,
		textSize: 24
	});
	waveButton.waveTarget = waveNumber;
	// Position buttons in a row at the top
	waveButton.x = -650 + w * 90;
	waveButton.y = 220;
	LK.gui.top.addChild(waveButton);
	// Add click handler for wave selection
	waveButton.down = function (x, y, obj) {
		var targetWave = this.waveTarget;
		// Play stylized button press animation
		this.playPressAnimation();
		// Jump to selected wave
		wave = targetWave;
		enemiesInWave = 5 + (wave - 1) * 2;
		enemiesSpawned = 0;
		enemyKills = 0;
		bossActive = false;
		heroCanShoot = true;
		// Update difficulty scaling based on wave
		difficultyScaling.healthMultiplier = 1.0 + (wave - 1) * 0.15;
		difficultyScaling.skeletonSpeedMultiplier = 1.0 + (wave - 1) * 0.08;
		// Update hero contact damage rate based on wave
		heroContactDamageRate = Math.pow(1.2, wave - 1);
		// Update crystal tower HP based on new wave
		var calculatedHP = calculateWaveEnemyHP();
		crystalTower.health = calculatedHP;
		crystalTower.maxHealth = calculatedHP;
		// Clear existing enemies
		for (var i = enemies.length - 1; i >= 0; i--) {
			enemies[i].destroy();
			enemies.splice(i, 1);
		}
		// Clear projectiles
		for (var i = towerProjectiles.length - 1; i >= 0; i--) {
			towerProjectiles[i].destroy();
			towerProjectiles.splice(i, 1);
		}
		for (var i = heroProjectiles.length - 1; i >= 0; i--) {
			heroProjectiles[i].destroy();
			heroProjectiles.splice(i, 1);
		}
		// Update UI
		waveText.setText('Wave: ' + wave);
		killsText.setText('Enemies Killed: ' + enemyKills);
		// Create GLM wave announcement for wave selection
		var glmAnnouncement = new GLMWaveAnnouncement();
		game.addChild(glmAnnouncement);
		glmAnnouncement.startAnimation();
		// Flash screen to indicate wave change
		LK.effects.flashScreen(0x4b0082, 500);
	};
	waveButtons.push(waveButton);
}
// Speed button handler
speedButton.down = function (x, y, obj) {
	// Play stylized button press animation
	speedButton.playPressAnimation();
	currentSpeedIndex = (currentSpeedIndex + 1) % gameSpeedOptions.length;
	gameSpeed = gameSpeedOptions[currentSpeedIndex];
	speedButton.setText('Speed: ' + gameSpeed + 'x');
	// Note: Game speed functionality not available in LK engine
};
// Restart button handler
restartButton.down = function (x, y, obj) {
	// Play stylized button press animation
	restartButton.playPressAnimation();
	// Trigger game over state first, which will automatically reset the game
	LK.showGameOver();
};
// Tower placement handlers
archerButton.down = function (x, y, obj) {
	// Play stylized button press animation
	archerButton.playPressAnimation();
	if (gold >= 50) {
		placingTowerType = 'archer';
		placingTowerCost = 50;
	}
};
var placingTowerType = null;
var placingTowerCost = 0;
function spawnEnemy() {
	var enemyTypes = ['goblin', 'goblin', 'skeleton'];
	if (wave >= 3) enemyTypes.push('troll');
	if (wave >= 5) enemyTypes.push('troll', 'troll');
	var randomType = enemyTypes[Math.floor(Math.random() * enemyTypes.length)];
	var enemy = new Enemy(randomType);
	// Spawn from random edge using dynamic map boundaries
	var side = Math.floor(Math.random() * 4);
	if (side === 0) {
		// Top
		enemy.x = mapBounds.left + Math.random() * (mapBounds.right - mapBounds.left);
		enemy.y = mapBounds.top;
	} else if (side === 1) {
		// Right
		enemy.x = mapBounds.right;
		enemy.y = mapBounds.top + Math.random() * (mapBounds.bottom - mapBounds.top);
	} else if (side === 2) {
		// Bottom
		enemy.x = mapBounds.left + Math.random() * (mapBounds.right - mapBounds.left);
		enemy.y = mapBounds.bottom;
	} else {
		// Left
		enemy.x = mapBounds.left;
		enemy.y = mapBounds.top + Math.random() * (mapBounds.bottom - mapBounds.top);
	}
	game.addChild(enemy);
	enemies.push(enemy);
	enemiesSpawned++;
}
function expandMapIfNeeded() {
	var expanded = false;
	var edgeBuffer = 200; // Distance from edge to trigger expansion
	// Check if hero is near left edge
	if (hero.x - mapBounds.left < edgeBuffer) {
		mapBounds.left -= mapExpansionDistance;
		expanded = true;
	}
	// Check if hero is near right edge
	if (mapBounds.right - hero.x < edgeBuffer) {
		mapBounds.right += mapExpansionDistance;
		expanded = true;
	}
	// Check if hero is near top edge
	if (hero.y - mapBounds.top < edgeBuffer) {
		mapBounds.top -= mapExpansionDistance;
		expanded = true;
	}
	// Check if hero is near bottom edge
	if (mapBounds.bottom - hero.y < edgeBuffer) {
		mapBounds.bottom += mapExpansionDistance;
		expanded = true;
	}
	if (expanded) {
		// Visual feedback for map expansion
		LK.effects.flashScreen(0x4169e1, 300);
	}
}
function checkWaveComplete() {
	// Special handling for wave 5 to 6 transition - only advance when boss dies
	if (wave === 5) {
		// Wave 5 to 6 transition is handled in boss.die() method only
		return;
	}
	// Special handling for wave 10 - need 30 kills to advance
	var killsNeeded = wave === 10 ? 30 : 30;
	if (enemyKills >= killsNeeded) {
		// Start next wave after required kills
		wave++;
		// Create GLM wave announcement for regular wave transitions
		var glmAnnouncement = new GLMWaveAnnouncement();
		game.addChild(glmAnnouncement);
		glmAnnouncement.startAnimation();
		// Increase all enemy HP by 10 after each wave
		difficultyScaling.healthMultiplier += 10 / 160; // Base goblin health is 160, so this adds roughly 10 HP
		// Increase hero contact damage rate by 1.2x each wave
		heroContactDamageRate *= 1.2;
		enemiesInWave += 2;
		enemiesSpawned = 0;
		enemyKills = 0; // Reset kill counter for next wave
		killsText.setText('Enemies Killed: ' + enemyKills);
		bossActive = false; // Reset boss active flag for next wave
		// Update crystal tower HP based on new wave
		var calculatedHP = calculateWaveEnemyHP();
		crystalTower.health = calculatedHP;
		crystalTower.maxHealth = calculatedHP;
		// Re-enable hero shooting for wave 6 and beyond (after first boss death)
		if (wave >= 6) {
			heroCanShoot = true;
		}
		waveText.setText('Wave: ' + wave);
		if (wave > 100) {
			LK.showYouWin();
		}
	}
}
game.down = function (x, y, obj) {
	// Check for middle mouse button to start panning
	if (obj.event && obj.event.button === 1) {
		isPanning = true;
		panStartX = x;
		panStartY = y;
		panLastX = x;
		panLastY = y;
		return;
	}
	if (placingTowerType) {
		// Check if position is valid (not too close to crystal tower or other towers)
		var tooClose = false;
		var dx = x - crystalTower.x;
		var dy = y - crystalTower.y;
		if (Math.sqrt(dx * dx + dy * dy) < 200) {
			tooClose = true;
		}
		for (var i = 0; i < towers.length; i++) {
			var tower = towers[i];
			var dx = x - tower.x;
			var dy = y - tower.y;
			if (Math.sqrt(dx * dx + dy * dy) < 120) {
				tooClose = true;
				break;
			}
		}
		if (!tooClose) {
			var newTower = new Tower(placingTowerType);
			newTower.x = x;
			newTower.y = y;
			game.addChild(newTower);
			towers.push(newTower);
			gold -= placingTowerCost;
			goldText.setText('Gold: ' + gold);
			LK.getSound('towerPlace').play();
		}
		placingTowerType = null;
		placingTowerCost = 0;
	} else {
		// Check if clicking on hero to start drag - expanded hitbox 4x larger than original visual area
		var dx = x - hero.x;
		var dy = y - hero.y;
		// Hero asset is 125x156, expand hitbox to 4x the size (500x624 total area)
		var heroWidth = 125 * 2; // 4x area means 2x width/height
		var heroHeight = 156 * 2;
		if (Math.abs(dx) < heroWidth / 2 && Math.abs(dy) < heroHeight / 2) {
			draggedHero = true;
		}
	}
};
game.move = function (x, y, obj) {
	if (isPanning) {
		// Calculate pan delta
		var deltaX = x - panLastX;
		var deltaY = y - panLastY;
		// Update map offset
		mapOffsetX += deltaX;
		mapOffsetY += deltaY;
		// Apply pan offset to game container
		game.x = mapOffsetX;
		game.y = mapOffsetY;
		// Update last position
		panLastX = x;
		panLastY = y;
	} else if (draggedHero) {
		hero.x = x - mapOffsetX;
		hero.y = y - mapOffsetY;
	}
};
game.up = function (x, y, obj) {
	if (isPanning) {
		isPanning = false;
	}
	draggedHero = false;
};
game.update = function () {
	// Determine boss spawn requirements based on wave
	var shouldSpawnBoss = false;
	var bossCount = 0;
	var shouldSpawnRegularEnemies = true;
	if (wave === 5 && !bossActive && enemiesSpawned === 0) {
		shouldSpawnBoss = true;
		bossCount = 1;
		shouldSpawnRegularEnemies = false; // Only boss on wave 5
	} else if (wave === 10 && !bossActive && enemiesSpawned === 0) {
		shouldSpawnBoss = true;
		bossCount = 2;
		shouldSpawnRegularEnemies = true; // Bosses plus regular enemies on wave 10
	} else if (wave === 15 && !bossActive && enemiesSpawned === 0) {
		shouldSpawnBoss = true;
		bossCount = 1; // One boss plus regular enemies
		shouldSpawnRegularEnemies = true; // Both bosses and regular enemies
	} else if (wave === 100 && !bossActive && enemiesSpawned === 0) {
		// Special wave 100: spawn main character as boss
		shouldSpawnBoss = true;
		bossCount = 1;
		shouldSpawnRegularEnemies = false;
	}
	if (shouldSpawnBoss) {
		// Create GLM wave announcement for boss waves
		var glmAnnouncement = new GLMWaveAnnouncement();
		game.addChild(glmAnnouncement);
		glmAnnouncement.startAnimation();
		for (var bossIndex = 0; bossIndex < bossCount; bossIndex++) {
			var boss;
			if (wave === 100) {
				// Create main character as enemy with 10,000 HP
				boss = new Boss();
				boss.health = 10000;
				boss.maxHealth = 10000;
				boss.goldValue = 1000;
				// Make it look like the hero
				boss.removeChild(boss.attachedAssets[0]); // Remove boss graphics
				var heroGraphics = boss.attachAsset('hero', {
					anchorX: 0.5,
					anchorY: 1
				});
				heroGraphics.tint = 0x800000; // Dark red tint to show it's evil
				heroGraphics.scaleX = 2; // Make it larger
				heroGraphics.scaleY = 2;
			} else {
				boss = new Boss();
			}
			// Spawn from random edge using dynamic map boundaries
			var side = Math.floor(Math.random() * 4);
			if (side === 0) {
				// Top
				boss.x = mapBounds.left + Math.random() * (mapBounds.right - mapBounds.left);
				boss.y = mapBounds.top;
			} else if (side === 1) {
				// Right
				boss.x = mapBounds.right;
				boss.y = mapBounds.top + Math.random() * (mapBounds.bottom - mapBounds.top);
			} else if (side === 2) {
				// Bottom
				boss.x = mapBounds.left + Math.random() * (mapBounds.right - mapBounds.left);
				boss.y = mapBounds.bottom;
			} else {
				// Left
				boss.x = mapBounds.left;
				boss.y = mapBounds.top + Math.random() * (mapBounds.bottom - mapBounds.top);
			}
			game.addChild(boss);
			enemies.push(boss);
			enemiesSpawned++; // Count boss as spawned enemy
		}
		bossActive = true;
		// Flash screen to indicate boss spawn
		LK.effects.flashScreen(0x800080, 1000);
		// Increase difficulty scaling after each boss round
		difficultyScaling.healthMultiplier += 0.15; // 15% health increase per round
		difficultyScaling.skeletonSpeedMultiplier += 0.08; // 8% speed increase for skeletons per round
	}
	// Spawn regular enemies continuously - always keep enemies on the field
	// Only spawn regular enemies if it's not a boss-only wave (5) or if it's a mixed wave (10, 15)
	var shouldSpawnRegularNow = true;
	if (wave === 5 && !bossActive) {
		shouldSpawnRegularNow = false; // Don't spawn regular enemies on boss-only wave 5 before boss spawns
	} else if (wave === 5 && bossActive) {
		shouldSpawnRegularNow = false; // Don't spawn regular enemies on boss-only wave 5 after boss spawns
	}
	// Set proper enemy count for wave 10
	var currentWaveEnemyLimit = enemiesInWave;
	if (wave === 10) {
		currentWaveEnemyLimit = 30; // Total of 30 enemies including 2 bosses
	}
	if (shouldSpawnRegularNow && (enemiesSpawned < currentWaveEnemyLimit || enemies.length < 3)) {
		enemySpawnTimer += gameSpeed;
		if (enemySpawnTimer >= 60) {
			// Spawn every 1 second for continuous pressure
			spawnEnemy();
			enemySpawnTimer = 0;
		}
	}
	// Update health display
	healthText.setText('Tower HP: ' + crystalTower.health);
	// Update boss health bar
	var currentBoss = null;
	for (var i = 0; i < enemies.length; i++) {
		if (enemies[i].health === undefined || enemies[i].maxHealth === undefined) continue;
		if (enemies[i].maxHealth >= 800) {
			// Boss has 800+ max health
			currentBoss = enemies[i];
			break;
		}
	}
	if (currentBoss && bossActive) {
		bossHealthBar.visible = true;
		bossHealthFill.visible = true;
		bossHealthText.visible = true;
		var healthPercent = currentBoss.health / currentBoss.maxHealth;
		bossHealthFill.scaleX = 4 * healthPercent;
		bossHealthText.setText('BOSS - ' + currentBoss.health + '/' + currentBoss.maxHealth);
	} else {
		bossHealthBar.visible = false;
		bossHealthFill.visible = false;
		bossHealthText.visible = false;
	}
	// Check for wave 10 boss death logic - if one boss dies, kill the other
	if (wave === 10 && bossActive) {
		var aliveBosses = [];
		for (var i = 0; i < enemies.length; i++) {
			if (enemies[i].maxHealth >= 800) {
				aliveBosses.push(enemies[i]);
			}
		}
		// If we had 2 bosses but now only have 1, kill the remaining boss
		if (aliveBosses.length === 1) {
			aliveBosses[0].die();
		}
	}
	// Check for enemies in contact with crystal tower for continuous damage
	var currentEnemiesInContact = [];
	for (var i = 0; i < enemies.length; i++) {
		var enemy = enemies[i];
		var dx = enemy.x - crystalTower.x;
		var dy = enemy.y - crystalTower.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < 80) {
			// Contact threshold
			currentEnemiesInContact.push(enemy);
		}
	}
	// Apply contact damage every second (60 ticks)
	contactDamageTimer += gameSpeed;
	if (contactDamageTimer >= 60 && currentEnemiesInContact.length > 0) {
		crystalTower.takeDamage(2 * currentEnemiesInContact.length);
		contactDamageTimer = 0;
	}
	// Update enemies in contact array
	enemiesInContact = currentEnemiesInContact;
	// Check for enemies in contact with hero for continuous damage
	var currentEnemiesInContactWithHero = [];
	for (var i = 0; i < enemies.length; i++) {
		var enemy = enemies[i];
		var dx = enemy.x - hero.x;
		var dy = enemy.y - hero.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < 60) {
			// Contact threshold for hero
			currentEnemiesInContactWithHero.push(enemy);
		}
	}
	// Apply hero contact damage every second (60 ticks)
	heroContactDamageTimer += gameSpeed;
	if (heroContactDamageTimer >= 60 && currentEnemiesInContactWithHero.length > 0 && !heroCollapsed) {
		var damageAmount = Math.floor(heroContactDamageRate * currentEnemiesInContactWithHero.length);
		heroHealth -= damageAmount;
		// Flash hero red when taking contact damage
		LK.effects.flashObject(hero, 0xff0000, 300);
		heroContactDamageTimer = 0;
	}
	// Update enemies in contact with hero array
	enemiesInContactWithHero = currentEnemiesInContactWithHero;
	// Check for hero collecting coins
	for (var i = goldCoins.length - 1; i >= 0; i--) {
		var coin = goldCoins[i];
		var dx = coin.x - hero.x;
		var dy = coin.y - hero.y;
		if (Math.sqrt(dx * dx + dy * dy) < 40) {
			coin.collect();
		}
	}
	// Add random battlefield explosions during intense moments
	if (enemies.length > 8 && LK.ticks % Math.max(1, Math.floor(180 / gameSpeed)) === 0) {
		var explosion = new ExplosionEffect();
		explosion.x = mapBounds.left + 200 + Math.random() * (mapBounds.right - mapBounds.left - 400);
		explosion.y = mapBounds.top + 200 + Math.random() * (mapBounds.bottom - mapBounds.top - 400);
		game.addChild(explosion);
	}
	// Add red alert glow when tower health is critical
	if (crystalTower.health < crystalTower.maxHealth * 0.2 && LK.ticks % Math.max(1, Math.floor(60 / gameSpeed)) === 0) {
		LK.effects.flashScreen(0x8b0000, 200);
	}
	// Check for map expansion based on hero position
	expandMapIfNeeded();
	// Start background music on loop
	LK.playMusic('med');
	// Check if hero HP drops below 1 for game over
	if (heroHealth < 1) {
		LK.showGameOver();
	}
	// Update hero HP bar position to follow hero
	heroHealthBar.x = hero.x;
	heroHealthBar.y = hero.y + 40; // Position below hero
	// Update hero HP bar display
	var heroHealthPercent = Math.max(0, heroHealth) / heroMaxHealth;
	heroHealthFill.scaleX = 1.0 * heroHealthPercent;
	heroHealthText.setText(Math.max(0, heroHealth) + '/' + heroMaxHealth);
	// Change HP bar color based on health
	if (heroHealthPercent > 0.6) {
		heroHealthFill.tint = 0x00ff00; // Green
	} else if (heroHealthPercent > 0.3) {
		heroHealthFill.tint = 0xffff00; // Yellow
	} else {
		heroHealthFill.tint = 0xff0000; // Red
	}
	// Power scaling every 5 waves
	if (wave > 0 && wave % 5 === 0) {
		// Check if we haven't already applied scaling for this wave milestone
		if (!scalingApplied || scalingApplied < wave) {
			// Increase hero attack power
			hero.damage *= 1.2; // 20% increase each 5 waves
			// Multiply crystal tower HP and attack by 5
			crystalTower.health = Math.floor(crystalTower.health * 5);
			crystalTower.maxHealth = Math.floor(crystalTower.maxHealth * 5);
			crystalTower.damage = Math.floor(crystalTower.damage * 5);
			// Multiply all existing towers' damage by 5
			for (var i = 0; i < towers.length; i++) {
				towers[i].damage = Math.floor(towers[i].damage * 5);
			}
			scalingApplied = wave;
		}
	}
	checkWaveComplete();
};
// Override LK.getSound to respect mute state
var originalGetSound = LK.getSound;
LK.getSound = function (soundId) {
	var sound = originalGetSound(soundId);
	var originalPlay = sound.play;
	sound.play = function () {
		if (!soundMuted) {
			originalPlay.call(sound);
		}
	};
	return sound;
};

===================================================================
--- original.js
+++ change.js
@@ -5,8 +5,35 @@
 
 /**** 
 * Classes
 ****/ 
+var ArrowTrail = Container.expand(function () {
+	var self = Container.call(this);
+	var graphics = self.attachAsset('heroProjectile', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	graphics.alpha = 0.8;
+	graphics.scaleX = 0.8;
+	graphics.scaleY = 2.0; // Elongated for arrow trail effect
+	graphics.tint = 0x8b4513; // Brown color for wooden arrow
+	self.scaleX = 1.0;
+	self.scaleY = 1.0;
+	// Arrow trail effect with slight movement
+	tween(self, {
+		scaleX: 1.3,
+		scaleY: 0.8,
+		alpha: 0,
+		rotation: Math.PI * 0.1
+	}, {
+		duration: 400,
+		easing: tween.easeOut,
+		onFinish: function onFinish() {
+			self.destroy();
+		}
+	});
+	return self;
+});
 var Boss = Container.expand(function () {
 	var self = Container.call(this);
 	self.health = Math.floor(8000 * difficultyScaling.healthMultiplier);
 	self.maxHealth = Math.floor(8000 * difficultyScaling.healthMultiplier);
@@ -1383,13 +1410,22 @@
 			game.addChild(projectile);
 			towerProjectiles.push(projectile);
 			self.lastShot = LK.ticks;
 			LK.getSound('towerShoot').play();
-			// Add muzzle flash effect
-			var flash = new MuzzleFlash();
-			flash.x = self.x;
-			flash.y = self.y - 30;
-			game.addChild(flash);
+			// Add different visual effects based on tower type
+			if (self.towerType === 'archer') {
+				// Arrow trail effect for archer towers
+				var arrowTrail = new ArrowTrail();
+				arrowTrail.x = self.x;
+				arrowTrail.y = self.y - 30;
+				game.addChild(arrowTrail);
+			} else {
+				// Muzzle flash effect for other tower types
+				var flash = new MuzzleFlash();
+				flash.x = self.x;
+				flash.y = self.y - 30;
+				game.addChild(flash);
+			}
 		}
 	};
 	self.update = function () {
 		var target = self.findTarget();