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

/**** 
* Classes
****/ 
var BerserkerShadow = Container.expand(function () {
	var self = Container.call(this);
	var shadowGraphics = self.attachAsset('berserkerShadow', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 1.5 + Math.random() * 1;
	self.health = 5;
	self.maxHealth = 5;
	self.monsterType = 'berserker';
	self.enraged = false;
	// Create health bar
	var healthBarBg = self.attachAsset('healthBarBg', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	healthBarBg.y = -shadowGraphics.height / 2 - 15;
	var healthBarFill = self.attachAsset('healthBarFill', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	healthBarFill.y = -shadowGraphics.height / 2 - 15;
	self.update = function () {
		var angle = Math.atan2(hero.y - self.y, hero.x - self.x);
		// Enrage when health is low
		if (self.health <= self.maxHealth * 0.4 && !self.enraged) {
			self.enraged = true;
			self.speed *= 2;
			shadowGraphics.tint = 0xff0000;
		}
		self.x += Math.cos(angle) * self.speed;
		self.y += Math.sin(angle) * self.speed;
		// Berserker effect when enraged
		if (self.enraged) {
			var shake = (Math.random() - 0.5) * 4;
			self.x += shake;
			self.y += shake;
			// Pulsing red effect
			var pulse = 1 + Math.sin(LK.ticks * 0.8) * 0.5;
			shadowGraphics.scaleX = pulse;
			shadowGraphics.scaleY = pulse;
		}
		// Update health bar
		var healthPercent = self.health / self.maxHealth;
		healthBarFill.scaleX = healthPercent;
		healthBarFill.tint = healthPercent > 0.5 ? 0x00ff00 : healthPercent > 0.25 ? 0xffff00 : 0xff0000;
	};
	return self;
});
var BomberShadow = Container.expand(function () {
	var self = Container.call(this);
	var shadowGraphics = self.attachAsset('bomberShadow', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 2 + Math.random() * 1;
	self.health = 2;
	self.maxHealth = 2;
	self.monsterType = 'bomber';
	self.exploding = false;
	self.explosionTimer = 30;
	// Create health bar
	var healthBarBg = self.attachAsset('healthBarBg', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	healthBarBg.y = -shadowGraphics.height / 2 - 15;
	var healthBarFill = self.attachAsset('healthBarFill', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	healthBarFill.y = -shadowGraphics.height / 2 - 15;
	self.update = function () {
		var angle = Math.atan2(hero.y - self.y, hero.x - self.x);
		var distanceToHero = Math.sqrt(Math.pow(hero.x - self.x, 2) + Math.pow(hero.y - self.y, 2));
		if (distanceToHero < 100 && !self.exploding) {
			self.exploding = true;
			shadowGraphics.tint = 0xff4444;
		}
		if (self.exploding) {
			self.explosionTimer--;
			var flash = Math.sin(self.explosionTimer * 0.5) > 0 ? 0xff0000 : 0xffff00;
			shadowGraphics.tint = flash;
			if (self.explosionTimer <= 0) {
				// Create explosion effect
				for (var i = 0; i < 6; i++) {
					var explosionAngle = i / 6 * Math.PI * 2;
					var fragment = new Shadow();
					fragment.x = self.x + Math.cos(explosionAngle) * 20;
					fragment.y = self.y + Math.sin(explosionAngle) * 20;
					fragment.speed = 2;
					shadows.push(fragment);
					game.addChild(fragment);
				}
			}
		} else {
			self.x += Math.cos(angle) * self.speed;
			self.y += Math.sin(angle) * self.speed;
		}
		// Update health bar
		var healthPercent = self.health / self.maxHealth;
		healthBarFill.scaleX = healthPercent;
		healthBarFill.tint = healthPercent > 0.5 ? 0x00ff00 : healthPercent > 0.25 ? 0xffff00 : 0xff0000;
	};
	return self;
});
var FastShadow = Container.expand(function () {
	var self = Container.call(this);
	var shadowGraphics = self.attachAsset('fastShadow', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 3 + Math.random() * 2;
	self.health = 1;
	self.maxHealth = 1;
	self.monsterType = 'fast';
	// Create health bar
	var healthBarBg = self.attachAsset('healthBarBg', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	healthBarBg.y = -shadowGraphics.height / 2 - 15;
	var healthBarFill = self.attachAsset('healthBarFill', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	healthBarFill.y = -shadowGraphics.height / 2 - 15;
	self.update = function () {
		var angle = Math.atan2(hero.y - self.y, hero.x - self.x);
		self.x += Math.cos(angle) * self.speed;
		self.y += Math.sin(angle) * self.speed;
		// Add erratic movement
		self.x += Math.sin(LK.ticks * 0.2) * 2;
		self.y += Math.cos(LK.ticks * 0.15) * 2;
		// Update health bar
		var healthPercent = self.health / self.maxHealth;
		healthBarFill.scaleX = healthPercent;
		healthBarFill.tint = healthPercent > 0.5 ? 0x00ff00 : healthPercent > 0.25 ? 0xffff00 : 0xff0000;
	};
	return self;
});
var FireSpell = Container.expand(function () {
	var self = Container.call(this);
	var spellGraphics = self.attachAsset('fireSpell', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.lifetime = 30; // Half second
	self.radius = 80;
	self.update = function () {
		self.lifetime--;
		// Grow the spell
		var scale = 1 + (30 - self.lifetime) / 30;
		spellGraphics.scaleX = scale;
		spellGraphics.scaleY = scale;
		spellGraphics.alpha = self.lifetime / 30;
	};
	return self;
});
var HealerShadow = Container.expand(function () {
	var self = Container.call(this);
	var shadowGraphics = self.attachAsset('healerShadow', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 0.8 + Math.random() * 0.5;
	self.health = 3;
	self.maxHealth = 3;
	self.monsterType = 'healer';
	self.lastHeal = 0;
	self.healCooldown = 120; // 2 seconds
	// Create health bar
	var healthBarBg = self.attachAsset('healthBarBg', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	healthBarBg.y = -shadowGraphics.height / 2 - 15;
	var healthBarFill = self.attachAsset('healthBarFill', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	healthBarFill.y = -shadowGraphics.height / 2 - 15;
	self.update = function () {
		var angle = Math.atan2(hero.y - self.y, hero.x - self.x);
		self.x += Math.cos(angle) * self.speed;
		self.y += Math.sin(angle) * self.speed;
		// Healing ability
		if (LK.ticks - self.lastHeal > self.healCooldown) {
			for (var i = 0; i < shadows.length; i++) {
				var otherShadow = shadows[i];
				if (otherShadow !== self) {
					var distance = Math.sqrt(Math.pow(self.x - otherShadow.x, 2) + Math.pow(self.y - otherShadow.y, 2));
					if (distance < 150 && otherShadow.health < otherShadow.maxHealth) {
						otherShadow.health = Math.min(otherShadow.maxHealth, otherShadow.health + 1);
						LK.effects.flashObject(otherShadow, 0x00ff00, 300);
						self.lastHeal = LK.ticks;
						break;
					}
				}
			}
		}
		// Pulsing green effect
		var pulse = 1 + Math.sin(LK.ticks * 0.4) * 0.3;
		shadowGraphics.tint = 0x44ff44;
		shadowGraphics.scaleX = pulse;
		shadowGraphics.scaleY = pulse;
		// Update health bar
		var healthPercent = self.health / self.maxHealth;
		healthBarFill.scaleX = healthPercent;
		healthBarFill.tint = healthPercent > 0.5 ? 0x00ff00 : healthPercent > 0.25 ? 0xffff00 : 0xff0000;
	};
	return self;
});
var Hero = Container.expand(function () {
	var self = Container.call(this);
	var heroGraphics = self.attachAsset('hero', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.lightPower = 1;
	self.fireRate = 60; // Fire every 60 ticks initially
	self.lastLightShot = 0;
	self.update = function () {
		// Hero update method - no automatic firing
	};
	return self;
});
var LightOrb = Container.expand(function () {
	var self = Container.call(this);
	var orbGraphics = self.attachAsset('lightOrb', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.bobOffset = Math.random() * Math.PI * 2;
	self.baseY = self.y;
	self.update = function () {
		self.y = self.baseY + Math.sin(LK.ticks * 0.1 + self.bobOffset) * 10;
	};
	return self;
});
var LightProjectile = Container.expand(function () {
	var self = Container.call(this);
	var projectileGraphics = self.attachAsset('lightProjectile', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.velocityX = 0;
	self.velocityY = 0;
	self.lifetime = 180; // 3 seconds at 60fps
	self.update = function () {
		self.x += self.velocityX;
		self.y += self.velocityY;
		self.lifetime--;
	};
	return self;
});
var MimicShadow = Container.expand(function () {
	var self = Container.call(this);
	var shadowGraphics = self.attachAsset('mimicShadow', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 1.8 + Math.random() * 1.2;
	self.health = 2;
	self.maxHealth = 2;
	self.monsterType = 'mimic';
	self.lastCopy = 0;
	self.copyCooldown = 240; // 4 seconds
	self.copyTarget = null;
	// Create health bar
	var healthBarBg = self.attachAsset('healthBarBg', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	healthBarBg.y = -shadowGraphics.height / 2 - 15;
	var healthBarFill = self.attachAsset('healthBarFill', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	healthBarFill.y = -shadowGraphics.height / 2 - 15;
	self.update = function () {
		var angle = Math.atan2(hero.y - self.y, hero.x - self.x);
		self.x += Math.cos(angle) * self.speed;
		self.y += Math.sin(angle) * self.speed;
		// Copy nearest enemy abilities
		if (LK.ticks - self.lastCopy > self.copyCooldown) {
			var nearestEnemy = null;
			var nearestDistance = Infinity;
			for (var i = 0; i < shadows.length; i++) {
				var otherShadow = shadows[i];
				if (otherShadow !== self && otherShadow.monsterType !== 'mimic') {
					var distance = Math.sqrt(Math.pow(self.x - otherShadow.x, 2) + Math.pow(self.y - otherShadow.y, 2));
					if (distance < 200 && distance < nearestDistance) {
						nearestDistance = distance;
						nearestEnemy = otherShadow;
					}
				}
			}
			if (nearestEnemy) {
				self.copyTarget = nearestEnemy.monsterType;
				self.lastCopy = LK.ticks;
				// Visual feedback
				LK.effects.flashObject(self, 0xff00ff, 500);
				// Copy some properties
				if (nearestEnemy.monsterType === 'fast') {
					self.speed = nearestEnemy.speed;
					shadowGraphics.tint = 0xffff00;
				} else if (nearestEnemy.monsterType === 'tank') {
					self.health = Math.min(self.maxHealth + 2, nearestEnemy.health);
					shadowGraphics.tint = 0x888888;
				} else if (nearestEnemy.monsterType === 'teleporter') {
					shadowGraphics.tint = 0x8844ff;
				}
			}
		}
		// Rainbow shifting effect
		var hue = LK.ticks * 0.05 % 1;
		var r = Math.sin(hue * Math.PI * 2) * 127 + 128;
		var g = Math.sin((hue + 0.33) * Math.PI * 2) * 127 + 128;
		var b = Math.sin((hue + 0.66) * Math.PI * 2) * 127 + 128;
		var color = Math.floor(r) << 16 | Math.floor(g) << 8 | Math.floor(b);
		shadowGraphics.tint = color;
		// Update health bar
		var healthPercent = self.health / self.maxHealth;
		healthBarFill.scaleX = healthPercent;
		healthBarFill.tint = healthPercent > 0.5 ? 0x00ff00 : healthPercent > 0.25 ? 0xffff00 : 0xff0000;
	};
	return self;
});
var Shadow = Container.expand(function () {
	var self = Container.call(this);
	var shadowGraphics = self.attachAsset('shadow', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 1 + Math.random() * 2;
	self.health = 2;
	self.maxHealth = 2;
	// Create health bar
	var healthBarBg = self.attachAsset('healthBarBg', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	healthBarBg.y = -shadowGraphics.height / 2 - 15;
	var healthBarFill = self.attachAsset('healthBarFill', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	healthBarFill.y = -shadowGraphics.height / 2 - 15;
	self.update = function () {
		var angle = Math.atan2(hero.y - self.y, hero.x - self.x);
		self.x += Math.cos(angle) * self.speed;
		self.y += Math.sin(angle) * self.speed;
		// Update health bar
		var healthPercent = self.health / self.maxHealth;
		healthBarFill.scaleX = healthPercent;
		healthBarFill.tint = healthPercent > 0.5 ? 0x00ff00 : healthPercent > 0.25 ? 0xffff00 : 0xff0000;
	};
	return self;
});
var ShielderShadow = Container.expand(function () {
	var self = Container.call(this);
	var shadowGraphics = self.attachAsset('shielderShadow', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 1.2 + Math.random() * 0.8;
	self.health = 4;
	self.maxHealth = 4;
	self.monsterType = 'shielder';
	self.shieldActive = false;
	self.lastShield = 0;
	self.shieldCooldown = 180; // 3 seconds
	self.shieldDuration = 120; // 2 seconds
	self.shieldTimer = 0;
	// Create health bar
	var healthBarBg = self.attachAsset('healthBarBg', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	healthBarBg.y = -shadowGraphics.height / 2 - 15;
	var healthBarFill = self.attachAsset('healthBarFill', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	healthBarFill.y = -shadowGraphics.height / 2 - 15;
	self.update = function () {
		var angle = Math.atan2(hero.y - self.y, hero.x - self.x);
		self.x += Math.cos(angle) * self.speed;
		self.y += Math.sin(angle) * self.speed;
		// Shield activation when damaged
		if (self.health < self.maxHealth && !self.shieldActive && LK.ticks - self.lastShield > self.shieldCooldown) {
			self.shieldActive = true;
			self.shieldTimer = self.shieldDuration;
			self.lastShield = LK.ticks;
			shadowGraphics.tint = 0x4444ff;
		}
		// Shield timer
		if (self.shieldActive) {
			self.shieldTimer--;
			if (self.shieldTimer <= 0) {
				self.shieldActive = false;
				shadowGraphics.tint = 0xffffff;
			}
			// Pulsing blue effect when shielded
			var pulse = 1 + Math.sin(LK.ticks * 0.6) * 0.4;
			shadowGraphics.scaleX = pulse;
			shadowGraphics.scaleY = pulse;
		}
		// Update health bar
		var healthPercent = self.health / self.maxHealth;
		healthBarFill.scaleX = healthPercent;
		healthBarFill.tint = healthPercent > 0.5 ? 0x00ff00 : healthPercent > 0.25 ? 0xffff00 : 0xff0000;
	};
	return self;
});
var SplitterShadow = Container.expand(function () {
	var self = Container.call(this);
	var shadowGraphics = self.attachAsset('splitterShadow', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 1.5 + Math.random() * 1;
	self.health = 3;
	self.maxHealth = 3;
	self.monsterType = 'splitter';
	// Create health bar
	var healthBarBg = self.attachAsset('healthBarBg', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	healthBarBg.y = -shadowGraphics.height / 2 - 15;
	var healthBarFill = self.attachAsset('healthBarFill', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	healthBarFill.y = -shadowGraphics.height / 2 - 15;
	self.update = function () {
		var angle = Math.atan2(hero.y - self.y, hero.x - self.x);
		self.x += Math.cos(angle) * self.speed;
		self.y += Math.sin(angle) * self.speed;
		// Pulsing effect
		var pulse = 1 + Math.sin(LK.ticks * 0.3) * 0.2;
		shadowGraphics.scaleX = pulse;
		shadowGraphics.scaleY = pulse;
		// Update health bar
		var healthPercent = self.health / self.maxHealth;
		healthBarFill.scaleX = healthPercent;
		healthBarFill.tint = healthPercent > 0.5 ? 0x00ff00 : healthPercent > 0.25 ? 0xffff00 : 0xff0000;
	};
	return self;
});
var TankShadow = Container.expand(function () {
	var self = Container.call(this);
	var shadowGraphics = self.attachAsset('tankShadow', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 0.5 + Math.random() * 0.5;
	self.health = 8;
	self.maxHealth = 8;
	self.monsterType = 'tank';
	// Create health bar
	var healthBarBg = self.attachAsset('healthBarBg', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	healthBarBg.y = -shadowGraphics.height / 2 - 15;
	var healthBarFill = self.attachAsset('healthBarFill', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	healthBarFill.y = -shadowGraphics.height / 2 - 15;
	self.update = function () {
		var angle = Math.atan2(hero.y - self.y, hero.x - self.x);
		self.x += Math.cos(angle) * self.speed;
		self.y += Math.sin(angle) * self.speed;
		// Visual health indicator
		var healthPercent = self.health / self.maxHealth;
		shadowGraphics.alpha = 0.5 + healthPercent * 0.5;
		// Update health bar
		healthBarFill.scaleX = healthPercent;
		healthBarFill.tint = healthPercent > 0.5 ? 0x00ff00 : healthPercent > 0.25 ? 0xffff00 : 0xff0000;
	};
	return self;
});
var TeleporterShadow = Container.expand(function () {
	var self = Container.call(this);
	var shadowGraphics = self.attachAsset('teleporterShadow', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 1 + Math.random() * 1;
	self.health = 2;
	self.maxHealth = 2;
	self.monsterType = 'teleporter';
	self.lastTeleport = 0;
	self.teleportCooldown = 180; // 3 seconds
	// Create health bar
	var healthBarBg = self.attachAsset('healthBarBg', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	healthBarBg.y = -shadowGraphics.height / 2 - 15;
	var healthBarFill = self.attachAsset('healthBarFill', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	healthBarFill.y = -shadowGraphics.height / 2 - 15;
	self.update = function () {
		var angle = Math.atan2(hero.y - self.y, hero.x - self.x);
		var distanceToHero = Math.sqrt(Math.pow(hero.x - self.x, 2) + Math.pow(hero.y - self.y, 2));
		// Teleport if far from hero and cooldown is ready
		if (distanceToHero > 300 && LK.ticks - self.lastTeleport > self.teleportCooldown) {
			var teleportDistance = 150;
			var teleportAngle = Math.atan2(hero.y - self.y, hero.x - self.x);
			self.x = hero.x - Math.cos(teleportAngle) * teleportDistance;
			self.y = hero.y - Math.sin(teleportAngle) * teleportDistance;
			self.lastTeleport = LK.ticks;
			LK.effects.flashObject(self, 0x8844ff, 300);
		} else {
			// Normal movement
			self.x += Math.cos(angle) * self.speed;
			self.y += Math.sin(angle) * self.speed;
		}
		// Update health bar
		var healthPercent = self.health / self.maxHealth;
		healthBarFill.scaleX = healthPercent;
		healthBarFill.tint = healthPercent > 0.5 ? 0x00ff00 : healthPercent > 0.25 ? 0xffff00 : 0xff0000;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000000
});

/**** 
* Game Code
****/ 
// Create single cube background
var cube = LK.getAsset('cube', {
	anchorX: 0.5,
	anchorY: 0.5
});
cube.x = 1024;
cube.y = 1366;
game.addChild(cube);
var hero = game.addChild(new Hero());
hero.x = 1024;
hero.y = 1366;
var shadows = [];
var lightProjectiles = [];
var fireSpells = [];
var lightOrbs = [];
var lastShadowSpawn = 0;
var shadowSpawnRate = 120; // Start spawning every 2 seconds
var waveLevel = 1;
var score = 0;
var lastFireSpell = 0;
var fireSpellCooldown = 90; // 1.5 seconds cooldown at 60fps
var maxActiveFireSpells = 3;
var lastLightAttack = 0;
var lightAttackCooldown = 420; // 7 seconds cooldown at 60fps
var orbsUsedThisWave = 0;
var maxOrbsPerWave = 7;
var waveEnemiesRemaining = 0;
var waveEnemiesTotal = 0;
var waveActive = false;
var waveStartDelay = 0;
var waveDifficultyMultiplier = 1.0;
var shelterActive = false;
var shelterScore = 10000; // Score threshold to activate shelter
var shelterDuration = 300; // 5 seconds at 60fps
var shelterTimer = 0;
var shelterGraphics = null;
var damageBonusActive = false;
var damageBonusTimer = 0;
var damageBonusDuration = 360; // 6 seconds at 60fps
var shieldActive = false;
var shieldTimer = 0;
var shieldDuration = 360; // 6 seconds at 60fps
var scoreTxt = new Text2('Score: 0', {
	size: 60,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
var waveTxt = new Text2('Wave: 1', {
	size: 50,
	fill: 0xFFFF00
});
waveTxt.anchor.set(0.5, 0);
waveTxt.y = 70;
LK.gui.top.addChild(waveTxt);
var waveProgressTxt = new Text2('Enemies: 0/0', {
	size: 40,
	fill: 0x00FFFF
});
waveProgressTxt.anchor.set(0.5, 0);
waveProgressTxt.y = 130;
LK.gui.top.addChild(waveProgressTxt);
// Create fire button
var fireButton = LK.getAsset('fireSpell', {
	anchorX: 0.5,
	anchorY: 0.5,
	scaleX: 1.2,
	scaleY: 1.2,
	alpha: 0.8
});
fireButton.x = 200;
fireButton.y = 2500;
game.addChild(fireButton);
// Create light attack button
var lightButton = LK.getAsset('lightOrb', {
	anchorX: 0.5,
	anchorY: 0.5,
	scaleX: 1.8,
	scaleY: 1.8,
	alpha: 0.8
});
lightButton.x = 1800;
lightButton.y = 2500;
game.addChild(lightButton);
// Create light projectile button
var lightProjectileButton = LK.getAsset('lightProjectile', {
	anchorX: 0.5,
	anchorY: 0.5,
	scaleX: 2.0,
	scaleY: 2.0,
	alpha: 0.8
});
lightProjectileButton.x = 1024;
lightProjectileButton.y = 2500;
game.addChild(lightProjectileButton);
// Fire button press handler
fireButton.down = function (x, y, obj) {
	// Fire spell at nearest enemy - check cooldown and limit
	var timeSinceLastFire = LK.ticks - lastFireSpell;
	if (timeSinceLastFire >= fireSpellCooldown && fireSpells.length < maxActiveFireSpells && shadows.length > 0) {
		// Find nearest shadow
		var nearestShadow = null;
		var nearestDistance = Infinity;
		for (var i = 0; i < shadows.length; i++) {
			var distance = Math.sqrt(Math.pow(hero.x - shadows[i].x, 2) + Math.pow(hero.y - shadows[i].y, 2));
			if (distance < nearestDistance) {
				nearestDistance = distance;
				nearestShadow = shadows[i];
			}
		}
		;
		// Light attack button press handler
		lightButton.down = function (x, y, obj) {
			// Check cooldown and orb usage limit
			var timeSinceLastLight = LK.ticks - lastLightAttack;
			if (timeSinceLastLight >= lightAttackCooldown && orbsUsedThisWave < maxOrbsPerWave) {
				// Destroy all enemies on screen
				for (var i = shadows.length - 1; i >= 0; i--) {
					var shadow = shadows[i];
					// Create light orb for each destroyed shadow
					var newOrb = new LightOrb();
					newOrb.x = shadow.x;
					newOrb.y = shadow.y;
					newOrb.baseY = newOrb.y;
					lightOrbs.push(newOrb);
					game.addChild(newOrb);
					// Add score based on monster type
					var scoreValue = shadow.monsterType === 'tank' ? 25 : shadow.monsterType === 'splitter' ? 30 : shadow.monsterType === 'teleporter' ? 20 : shadow.monsterType === 'bomber' ? 35 : shadow.monsterType === 'healer' ? 40 : shadow.monsterType === 'shielder' ? 35 : shadow.monsterType === 'berserker' ? 45 : shadow.monsterType === 'mimic' ? 50 : 10;
					score += scoreValue;
					// Flash effect on each enemy before destruction
					tween(shadow, {
						alpha: 0
					}, {
						duration: 200,
						onFinish: function onFinish() {
							shadow.destroy();
						}
					});
					shadows.splice(i, 1);
				}
				// Update score display
				scoreTxt.setText('Score: ' + score);
				// Play sound effect
				LK.getSound('shadowDestroy').play();
				// Screen flash effect
				LK.effects.flashScreen(0xffffaa, 800);
				// Button feedback with cooldown visual
				LK.effects.flashObject(lightButton, 0xffffaa, 400);
				tween(lightButton, {
					alpha: 0.3
				}, {
					duration: 0
				});
				tween(lightButton, {
					alpha: 0.8
				}, {
					duration: lightAttackCooldown * 16.67
				}); // Convert ticks to ms
				// Update cooldown and usage counter
				lastLightAttack = LK.ticks;
				orbsUsedThisWave++;
			}
		};
		// Light projectile button press handler
		lightProjectileButton.down = function (x, y, obj) {
			// Fire light projectile
			var newProjectile = new LightProjectile();
			newProjectile.x = hero.x;
			newProjectile.y = hero.y;
			// Fire in 8 directions
			var directions = 8;
			for (var i = 0; i < directions; i++) {
				var angle = i / directions * Math.PI * 2;
				var projectile = new LightProjectile();
				projectile.x = hero.x;
				projectile.y = hero.y;
				projectile.velocityX = Math.cos(angle) * 8;
				projectile.velocityY = Math.sin(angle) * 8;
				lightProjectiles.push(projectile);
				game.addChild(projectile);
			}
			// Button feedback
			LK.effects.flashObject(lightProjectileButton, 0xffffaa, 200);
		};
		if (nearestShadow) {
			var newFireSpell = new FireSpell();
			newFireSpell.x = nearestShadow.x;
			newFireSpell.y = nearestShadow.y;
			fireSpells.push(newFireSpell);
			game.addChild(newFireSpell);
			lastFireSpell = LK.ticks;
			LK.getSound('fireBlast').play();
			// Button feedback
			LK.effects.flashObject(fireButton, 0xff4400, 200);
		}
	}
};
var dragNode = null;
function handleMove(x, y, obj) {
	if (dragNode) {
		dragNode.x = x;
		dragNode.y = y;
		// Keep hero within bounds
		if (dragNode.x < 40) dragNode.x = 40;
		if (dragNode.x > 2008) dragNode.x = 2008;
		if (dragNode.y < 40) dragNode.y = 40;
		if (dragNode.y > 2692) dragNode.y = 2692;
	}
}
game.move = handleMove;
game.down = function (x, y, obj) {
	// Check if touching hero
	var heroDistance = Math.sqrt(Math.pow(x - hero.x, 2) + Math.pow(y - hero.y, 2));
	if (heroDistance < 60) {
		dragNode = hero;
		handleMove(x, y, obj);
	}
};
game.up = function (x, y, obj) {
	dragNode = null;
};
function startWave() {
	waveActive = true;
	waveStartDelay = 180; // 3 second delay before spawning
	waveEnemiesTotal = Math.min(5 + waveLevel * 2, 30); // Cap at 30 enemies
	waveEnemiesRemaining = waveEnemiesTotal;
	waveDifficultyMultiplier = 1.0 + (waveLevel - 1) * 0.15; // 15% increase per wave
	shadowSpawnRate = Math.max(30, 120 - waveLevel * 8); // Faster spawning each wave
	orbsUsedThisWave = 0; // Reset orb usage for new wave
	waveTxt.setText('Wave: ' + waveLevel);
	waveProgressTxt.setText('Enemies: ' + (waveEnemiesTotal - waveEnemiesRemaining) + '/' + waveEnemiesTotal);
	LK.effects.flashScreen(0x00FF00, 500);
}
game.update = function () {
	// Wave management
	if (!waveActive && shadows.length === 0) {
		// Start new wave when no enemies remain
		startWave();
	}
	// Spawn shadows during active wave
	if (waveActive && waveEnemiesRemaining > 0 && waveStartDelay <= 0 && LK.ticks - lastShadowSpawn >= shadowSpawnRate) {
		var newShadow;
		// Choose random monster type based on wave level
		var monsterRoll = Math.random();
		if (waveLevel < 3) {
			// Early waves: mostly basic shadows
			if (monsterRoll < 0.7) newShadow = new Shadow();else if (monsterRoll < 0.9) newShadow = new FastShadow();else newShadow = new TankShadow();
		} else if (waveLevel < 6) {
			// Mid waves: introduce more variety
			if (monsterRoll < 0.4) newShadow = new Shadow();else if (monsterRoll < 0.6) newShadow = new FastShadow();else if (monsterRoll < 0.75) newShadow = new TankShadow();else if (monsterRoll < 0.9) newShadow = new SplitterShadow();else newShadow = new TeleporterShadow();
		} else if (waveLevel < 10) {
			// Late waves: all monster types including dangerous ones
			if (monsterRoll < 0.2) newShadow = new Shadow();else if (monsterRoll < 0.35) newShadow = new FastShadow();else if (monsterRoll < 0.5) newShadow = new TankShadow();else if (monsterRoll < 0.65) newShadow = new SplitterShadow();else if (monsterRoll < 0.75) newShadow = new TeleporterShadow();else if (monsterRoll < 0.85) newShadow = new BomberShadow();else if (monsterRoll < 0.92) newShadow = new HealerShadow();else newShadow = new ShielderShadow();
		} else {
			// Very late waves: all enemy types including new ones
			if (monsterRoll < 0.15) newShadow = new Shadow();else if (monsterRoll < 0.25) newShadow = new FastShadow();else if (monsterRoll < 0.35) newShadow = new TankShadow();else if (monsterRoll < 0.45) newShadow = new SplitterShadow();else if (monsterRoll < 0.55) newShadow = new TeleporterShadow();else if (monsterRoll < 0.65) newShadow = new BomberShadow();else if (monsterRoll < 0.75) newShadow = new HealerShadow();else if (monsterRoll < 0.85) newShadow = new ShielderShadow();else if (monsterRoll < 0.93) newShadow = new BerserkerShadow();else newShadow = new MimicShadow();
		}
		// Spawn from random edge
		var edge = Math.floor(Math.random() * 4);
		switch (edge) {
			case 0:
				// Top
				newShadow.x = Math.random() * 2048;
				newShadow.y = -30;
				break;
			case 1:
				// Right
				newShadow.x = 2078;
				newShadow.y = Math.random() * 2732;
				break;
			case 2:
				// Bottom
				newShadow.x = Math.random() * 2048;
				newShadow.y = 2762;
				break;
			case 3:
				// Left
				newShadow.x = -30;
				newShadow.y = Math.random() * 2732;
				break;
		}
		// Apply wave difficulty multiplier
		newShadow.speed = (newShadow.speed + waveLevel * 0.3) * waveDifficultyMultiplier;
		newShadow.health = Math.ceil(newShadow.health * waveDifficultyMultiplier);
		newShadow.maxHealth = newShadow.health;
		shadows.push(newShadow);
		game.addChild(newShadow);
		lastShadowSpawn = LK.ticks;
		waveEnemiesRemaining--;
		waveProgressTxt.setText('Enemies: ' + (waveEnemiesTotal - waveEnemiesRemaining) + '/' + waveEnemiesTotal);
	}
	// Wave start delay countdown
	if (waveStartDelay > 0) {
		waveStartDelay--;
	}
	// Check if wave is complete
	if (waveActive && waveEnemiesRemaining <= 0 && shadows.length === 0) {
		waveActive = false;
		waveLevel++;
		// Wave completion bonus
		score += waveLevel * 50;
		scoreTxt.setText('Score: ' + score);
		LK.effects.flashScreen(0xFFFF00, 800);
	}
	// Check hero collision with shadows
	for (var i = 0; i < shadows.length; i++) {
		var shadow = shadows[i];
		if (hero.intersects(shadow) && !shelterActive && !shieldActive) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
			return;
		}
		// Check bomber explosions
		if (shadow.monsterType === 'bomber' && shadow.exploding && shadow.explosionTimer <= 0) {
			var explosionDistance = Math.sqrt(Math.pow(hero.x - shadow.x, 2) + Math.pow(hero.y - shadow.y, 2));
			if (explosionDistance < 120 && !shelterActive && !shieldActive) {
				LK.effects.flashScreen(0xff4400, 1000);
				LK.showGameOver();
				return;
			}
			// Remove exploded bomber
			shadow.destroy();
			shadows.splice(i, 1);
			i--; // Adjust index after removal
		}
	}
	// Update and check light projectiles
	for (var j = lightProjectiles.length - 1; j >= 0; j--) {
		var projectile = lightProjectiles[j];
		if (projectile.lifetime <= 0 || projectile.x < -50 || projectile.x > 2098 || projectile.y < -50 || projectile.y > 2782) {
			projectile.destroy();
			lightProjectiles.splice(j, 1);
			continue;
		}
		// Check collision with shadows
		for (var k = shadows.length - 1; k >= 0; k--) {
			if (projectile.intersects(shadows[k])) {
				var shadow = shadows[k];
				// Check if enemy is shielded
				var damage = damageBonusActive ? 2 : 1;
				if (shadow.monsterType === 'shielder' && shadow.shieldActive) {
					damage = 0; // No damage when shielded
					LK.effects.flashObject(shadow, 0x4444ff, 100);
				} else {
					shadow.health -= damage;
				}
				var shadowDestroyed = false;
				if (shadow.health <= 0) {
					// Handle special monster behaviors on death
					if (shadow.monsterType === 'splitter' && shadow.health <= 0) {
						// Create two smaller fast shadows
						for (var split = 0; split < 2; split++) {
							var miniShadow = new FastShadow();
							miniShadow.x = shadow.x + (split === 0 ? -30 : 30);
							miniShadow.y = shadow.y + (Math.random() - 0.5) * 60;
							miniShadow.speed *= 0.8;
							shadows.push(miniShadow);
							game.addChild(miniShadow);
						}
					}
					if (shadow.monsterType === 'bomber' && shadow.exploding && shadow.explosionTimer > 0) {
						// Bomber was destroyed while exploding, cancel explosion
						shadow.exploding = false;
					}
					// Create light orb
					var newOrb = new LightOrb();
					newOrb.x = shadow.x;
					newOrb.y = shadow.y;
					newOrb.baseY = newOrb.y;
					lightOrbs.push(newOrb);
					game.addChild(newOrb);
					shadow.destroy();
					shadows.splice(k, 1);
					shadowDestroyed = true;
					var scoreValue = shadow.monsterType === 'tank' ? 25 : shadow.monsterType === 'splitter' ? 30 : shadow.monsterType === 'teleporter' ? 20 : shadow.monsterType === 'bomber' ? 35 : shadow.monsterType === 'healer' ? 40 : shadow.monsterType === 'shielder' ? 35 : shadow.monsterType === 'berserker' ? 45 : shadow.monsterType === 'mimic' ? 50 : 10;
					score += scoreValue;
					scoreTxt.setText('Score: ' + score);
					LK.getSound('shadowDestroy').play();
				} else {
					// Monster took damage but not destroyed
					LK.effects.flashObject(shadow, 0xffffff, 200);
				}
				projectile.destroy();
				lightProjectiles.splice(j, 1);
				break;
			}
		}
	}
	// Update and check fire spells
	for (var l = fireSpells.length - 1; l >= 0; l--) {
		var spell = fireSpells[l];
		if (spell.lifetime <= 0) {
			spell.destroy();
			fireSpells.splice(l, 1);
			continue;
		}
		// Check collision with shadows
		for (var m = shadows.length - 1; m >= 0; m--) {
			var distance = Math.sqrt(Math.pow(spell.x - shadows[m].x, 2) + Math.pow(spell.y - shadows[m].y, 2));
			if (distance < spell.radius) {
				var shadow = shadows[m];
				// Check if enemy is shielded
				var damage = damageBonusActive ? 4 : 2; // Fire spells do more damage
				if (shadow.monsterType === 'shielder' && shadow.shieldActive) {
					damage = Math.ceil(damage / 2); // Reduced damage when shielded
					LK.effects.flashObject(shadow, 0x4444ff, 100);
				}
				shadow.health -= damage;
				if (shadow.health <= 0) {
					// Handle special monster behaviors on death
					if (shadow.monsterType === 'splitter') {
						// Create two smaller fast shadows
						for (var split = 0; split < 2; split++) {
							var miniShadow = new FastShadow();
							miniShadow.x = shadow.x + (split === 0 ? -30 : 30);
							miniShadow.y = shadow.y + (Math.random() - 0.5) * 60;
							miniShadow.speed *= 0.8;
							shadows.push(miniShadow);
							game.addChild(miniShadow);
						}
					}
					if (shadow.monsterType === 'bomber' && shadow.exploding && shadow.explosionTimer > 0) {
						// Bomber was destroyed while exploding, cancel explosion
						shadow.exploding = false;
					}
					// Create light orb
					var newOrb = new LightOrb();
					newOrb.x = shadow.x;
					newOrb.y = shadow.y;
					newOrb.baseY = newOrb.y;
					lightOrbs.push(newOrb);
					game.addChild(newOrb);
					shadow.destroy();
					shadows.splice(m, 1);
					var scoreValue = shadow.monsterType === 'tank' ? 30 : shadow.monsterType === 'splitter' ? 35 : shadow.monsterType === 'teleporter' ? 25 : shadow.monsterType === 'bomber' ? 40 : shadow.monsterType === 'healer' ? 45 : shadow.monsterType === 'shielder' ? 40 : shadow.monsterType === 'berserker' ? 50 : shadow.monsterType === 'mimic' ? 55 : 15;
					score += scoreValue;
					scoreTxt.setText('Score: ' + score);
					LK.getSound('shadowDestroy').play();
				} else {
					// Monster took damage but not destroyed
					LK.effects.flashObject(shadow, 0xff8800, 200);
				}
			}
		}
	}
	// Check light orb collection
	for (var n = lightOrbs.length - 1; n >= 0; n--) {
		var orb = lightOrbs[n];
		if (hero.intersects(orb)) {
			hero.lightPower++;
			if (hero.fireRate > 20) {
				hero.fireRate -= 2;
			}
			orb.destroy();
			lightOrbs.splice(n, 1);
			LK.getSound('collectOrb').play();
			// Flash hero with light effect
			LK.effects.flashObject(hero, 0xffffaa, 500);
		}
	}
	// Shelter activation check
	if (score >= shelterScore && !shelterActive) {
		shelterActive = true;
		shelterTimer = shelterDuration;
		// Create shelter visual
		shelterGraphics = LK.getAsset('shelter', {
			anchorX: 0.5,
			anchorY: 0.5,
			alpha: 0.3
		});
		shelterGraphics.x = hero.x;
		shelterGraphics.y = hero.y;
		game.addChild(shelterGraphics);
		// Visual feedback for shelter activation
		LK.effects.flashScreen(0x00ffff, 1000);
		LK.effects.flashObject(hero, 0x00ffff, 1000);
		// Make hero semi-transparent during shelter
		hero.alpha = 0.5;
		// Pulsing effect for shelter
		tween(shelterGraphics, {
			alpha: 0.6
		}, {
			duration: 500,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				tween(shelterGraphics, {
					alpha: 0.3
				}, {
					duration: 500,
					easing: tween.easeInOut
				});
			}
		});
	}
	// Shelter timer countdown
	if (shelterActive) {
		shelterTimer--;
		// Move shelter with hero
		if (shelterGraphics) {
			shelterGraphics.x = hero.x;
			shelterGraphics.y = hero.y;
		}
		if (shelterTimer <= 0) {
			shelterActive = false;
			hero.alpha = 1.0; // Restore normal visibility
			// Remove shelter visual
			if (shelterGraphics) {
				shelterGraphics.destroy();
				shelterGraphics = null;
			}
			// Activate damage bonus and shield after leaving shelter
			damageBonusActive = true;
			damageBonusTimer = damageBonusDuration;
			shieldActive = true;
			shieldTimer = shieldDuration;
			// Visual feedback for bonuses
			LK.effects.flashScreen(0xff8800, 800);
			LK.effects.flashObject(hero, 0xff8800, 1000);
			// Increase shelter score threshold for next activation
			shelterScore += 10000;
		}
	}
	// Damage bonus timer countdown
	if (damageBonusActive) {
		damageBonusTimer--;
		if (damageBonusTimer <= 0) {
			damageBonusActive = false;
		}
	}
	// Shield timer countdown
	if (shieldActive) {
		shieldTimer--;
		if (shieldTimer <= 0) {
			shieldActive = false;
		}
	}
	// Victory condition
	if (score >= 500) {
		LK.showYouWin();
	}
};
// Start first wave
startWave();

===================================================================
--- original.js
+++ change.js
@@ -5,8 +5,57 @@
 
 /**** 
 * Classes
 ****/ 
+var BerserkerShadow = Container.expand(function () {
+	var self = Container.call(this);
+	var shadowGraphics = self.attachAsset('berserkerShadow', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 1.5 + Math.random() * 1;
+	self.health = 5;
+	self.maxHealth = 5;
+	self.monsterType = 'berserker';
+	self.enraged = false;
+	// Create health bar
+	var healthBarBg = self.attachAsset('healthBarBg', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	healthBarBg.y = -shadowGraphics.height / 2 - 15;
+	var healthBarFill = self.attachAsset('healthBarFill', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	healthBarFill.y = -shadowGraphics.height / 2 - 15;
+	self.update = function () {
+		var angle = Math.atan2(hero.y - self.y, hero.x - self.x);
+		// Enrage when health is low
+		if (self.health <= self.maxHealth * 0.4 && !self.enraged) {
+			self.enraged = true;
+			self.speed *= 2;
+			shadowGraphics.tint = 0xff0000;
+		}
+		self.x += Math.cos(angle) * self.speed;
+		self.y += Math.sin(angle) * self.speed;
+		// Berserker effect when enraged
+		if (self.enraged) {
+			var shake = (Math.random() - 0.5) * 4;
+			self.x += shake;
+			self.y += shake;
+			// Pulsing red effect
+			var pulse = 1 + Math.sin(LK.ticks * 0.8) * 0.5;
+			shadowGraphics.scaleX = pulse;
+			shadowGraphics.scaleY = pulse;
+		}
+		// Update health bar
+		var healthPercent = self.health / self.maxHealth;
+		healthBarFill.scaleX = healthPercent;
+		healthBarFill.tint = healthPercent > 0.5 ? 0x00ff00 : healthPercent > 0.25 ? 0xffff00 : 0xff0000;
+	};
+	return self;
+});
 var BomberShadow = Container.expand(function () {
 	var self = Container.call(this);
 	var shadowGraphics = self.attachAsset('bomberShadow', {
 		anchorX: 0.5,
@@ -115,8 +164,62 @@
 		spellGraphics.alpha = self.lifetime / 30;
 	};
 	return self;
 });
+var HealerShadow = Container.expand(function () {
+	var self = Container.call(this);
+	var shadowGraphics = self.attachAsset('healerShadow', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 0.8 + Math.random() * 0.5;
+	self.health = 3;
+	self.maxHealth = 3;
+	self.monsterType = 'healer';
+	self.lastHeal = 0;
+	self.healCooldown = 120; // 2 seconds
+	// Create health bar
+	var healthBarBg = self.attachAsset('healthBarBg', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	healthBarBg.y = -shadowGraphics.height / 2 - 15;
+	var healthBarFill = self.attachAsset('healthBarFill', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	healthBarFill.y = -shadowGraphics.height / 2 - 15;
+	self.update = function () {
+		var angle = Math.atan2(hero.y - self.y, hero.x - self.x);
+		self.x += Math.cos(angle) * self.speed;
+		self.y += Math.sin(angle) * self.speed;
+		// Healing ability
+		if (LK.ticks - self.lastHeal > self.healCooldown) {
+			for (var i = 0; i < shadows.length; i++) {
+				var otherShadow = shadows[i];
+				if (otherShadow !== self) {
+					var distance = Math.sqrt(Math.pow(self.x - otherShadow.x, 2) + Math.pow(self.y - otherShadow.y, 2));
+					if (distance < 150 && otherShadow.health < otherShadow.maxHealth) {
+						otherShadow.health = Math.min(otherShadow.maxHealth, otherShadow.health + 1);
+						LK.effects.flashObject(otherShadow, 0x00ff00, 300);
+						self.lastHeal = LK.ticks;
+						break;
+					}
+				}
+			}
+		}
+		// Pulsing green effect
+		var pulse = 1 + Math.sin(LK.ticks * 0.4) * 0.3;
+		shadowGraphics.tint = 0x44ff44;
+		shadowGraphics.scaleX = pulse;
+		shadowGraphics.scaleY = pulse;
+		// Update health bar
+		var healthPercent = self.health / self.maxHealth;
+		healthBarFill.scaleX = healthPercent;
+		healthBarFill.tint = healthPercent > 0.5 ? 0x00ff00 : healthPercent > 0.25 ? 0xffff00 : 0xff0000;
+	};
+	return self;
+});
 var Hero = Container.expand(function () {
 	var self = Container.call(this);
 	var heroGraphics = self.attachAsset('hero', {
 		anchorX: 0.5,
@@ -158,8 +261,81 @@
 		self.lifetime--;
 	};
 	return self;
 });
+var MimicShadow = Container.expand(function () {
+	var self = Container.call(this);
+	var shadowGraphics = self.attachAsset('mimicShadow', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 1.8 + Math.random() * 1.2;
+	self.health = 2;
+	self.maxHealth = 2;
+	self.monsterType = 'mimic';
+	self.lastCopy = 0;
+	self.copyCooldown = 240; // 4 seconds
+	self.copyTarget = null;
+	// Create health bar
+	var healthBarBg = self.attachAsset('healthBarBg', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	healthBarBg.y = -shadowGraphics.height / 2 - 15;
+	var healthBarFill = self.attachAsset('healthBarFill', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	healthBarFill.y = -shadowGraphics.height / 2 - 15;
+	self.update = function () {
+		var angle = Math.atan2(hero.y - self.y, hero.x - self.x);
+		self.x += Math.cos(angle) * self.speed;
+		self.y += Math.sin(angle) * self.speed;
+		// Copy nearest enemy abilities
+		if (LK.ticks - self.lastCopy > self.copyCooldown) {
+			var nearestEnemy = null;
+			var nearestDistance = Infinity;
+			for (var i = 0; i < shadows.length; i++) {
+				var otherShadow = shadows[i];
+				if (otherShadow !== self && otherShadow.monsterType !== 'mimic') {
+					var distance = Math.sqrt(Math.pow(self.x - otherShadow.x, 2) + Math.pow(self.y - otherShadow.y, 2));
+					if (distance < 200 && distance < nearestDistance) {
+						nearestDistance = distance;
+						nearestEnemy = otherShadow;
+					}
+				}
+			}
+			if (nearestEnemy) {
+				self.copyTarget = nearestEnemy.monsterType;
+				self.lastCopy = LK.ticks;
+				// Visual feedback
+				LK.effects.flashObject(self, 0xff00ff, 500);
+				// Copy some properties
+				if (nearestEnemy.monsterType === 'fast') {
+					self.speed = nearestEnemy.speed;
+					shadowGraphics.tint = 0xffff00;
+				} else if (nearestEnemy.monsterType === 'tank') {
+					self.health = Math.min(self.maxHealth + 2, nearestEnemy.health);
+					shadowGraphics.tint = 0x888888;
+				} else if (nearestEnemy.monsterType === 'teleporter') {
+					shadowGraphics.tint = 0x8844ff;
+				}
+			}
+		}
+		// Rainbow shifting effect
+		var hue = LK.ticks * 0.05 % 1;
+		var r = Math.sin(hue * Math.PI * 2) * 127 + 128;
+		var g = Math.sin((hue + 0.33) * Math.PI * 2) * 127 + 128;
+		var b = Math.sin((hue + 0.66) * Math.PI * 2) * 127 + 128;
+		var color = Math.floor(r) << 16 | Math.floor(g) << 8 | Math.floor(b);
+		shadowGraphics.tint = color;
+		// Update health bar
+		var healthPercent = self.health / self.maxHealth;
+		healthBarFill.scaleX = healthPercent;
+		healthBarFill.tint = healthPercent > 0.5 ? 0x00ff00 : healthPercent > 0.25 ? 0xffff00 : 0xff0000;
+	};
+	return self;
+});
 var Shadow = Container.expand(function () {
 	var self = Container.call(this);
 	var shadowGraphics = self.attachAsset('shadow', {
 		anchorX: 0.5,
@@ -189,8 +365,64 @@
 		healthBarFill.tint = healthPercent > 0.5 ? 0x00ff00 : healthPercent > 0.25 ? 0xffff00 : 0xff0000;
 	};
 	return self;
 });
+var ShielderShadow = Container.expand(function () {
+	var self = Container.call(this);
+	var shadowGraphics = self.attachAsset('shielderShadow', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 1.2 + Math.random() * 0.8;
+	self.health = 4;
+	self.maxHealth = 4;
+	self.monsterType = 'shielder';
+	self.shieldActive = false;
+	self.lastShield = 0;
+	self.shieldCooldown = 180; // 3 seconds
+	self.shieldDuration = 120; // 2 seconds
+	self.shieldTimer = 0;
+	// Create health bar
+	var healthBarBg = self.attachAsset('healthBarBg', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	healthBarBg.y = -shadowGraphics.height / 2 - 15;
+	var healthBarFill = self.attachAsset('healthBarFill', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	healthBarFill.y = -shadowGraphics.height / 2 - 15;
+	self.update = function () {
+		var angle = Math.atan2(hero.y - self.y, hero.x - self.x);
+		self.x += Math.cos(angle) * self.speed;
+		self.y += Math.sin(angle) * self.speed;
+		// Shield activation when damaged
+		if (self.health < self.maxHealth && !self.shieldActive && LK.ticks - self.lastShield > self.shieldCooldown) {
+			self.shieldActive = true;
+			self.shieldTimer = self.shieldDuration;
+			self.lastShield = LK.ticks;
+			shadowGraphics.tint = 0x4444ff;
+		}
+		// Shield timer
+		if (self.shieldActive) {
+			self.shieldTimer--;
+			if (self.shieldTimer <= 0) {
+				self.shieldActive = false;
+				shadowGraphics.tint = 0xffffff;
+			}
+			// Pulsing blue effect when shielded
+			var pulse = 1 + Math.sin(LK.ticks * 0.6) * 0.4;
+			shadowGraphics.scaleX = pulse;
+			shadowGraphics.scaleY = pulse;
+		}
+		// Update health bar
+		var healthPercent = self.health / self.maxHealth;
+		healthBarFill.scaleX = healthPercent;
+		healthBarFill.tint = healthPercent > 0.5 ? 0x00ff00 : healthPercent > 0.25 ? 0xffff00 : 0xff0000;
+	};
+	return self;
+});
 var SplitterShadow = Container.expand(function () {
 	var self = Container.call(this);
 	var shadowGraphics = self.attachAsset('splitterShadow', {
 		anchorX: 0.5,
@@ -443,9 +675,9 @@
 					newOrb.baseY = newOrb.y;
 					lightOrbs.push(newOrb);
 					game.addChild(newOrb);
 					// Add score based on monster type
-					var scoreValue = shadow.monsterType === 'tank' ? 25 : shadow.monsterType === 'splitter' ? 30 : shadow.monsterType === 'teleporter' ? 20 : shadow.monsterType === 'bomber' ? 35 : 10;
+					var scoreValue = shadow.monsterType === 'tank' ? 25 : shadow.monsterType === 'splitter' ? 30 : shadow.monsterType === 'teleporter' ? 20 : shadow.monsterType === 'bomber' ? 35 : shadow.monsterType === 'healer' ? 40 : shadow.monsterType === 'shielder' ? 35 : shadow.monsterType === 'berserker' ? 45 : shadow.monsterType === 'mimic' ? 50 : 10;
 					score += scoreValue;
 					// Flash effect on each enemy before destruction
 					tween(shadow, {
 						alpha: 0
@@ -566,11 +798,14 @@
 			if (monsterRoll < 0.7) newShadow = new Shadow();else if (monsterRoll < 0.9) newShadow = new FastShadow();else newShadow = new TankShadow();
 		} else if (waveLevel < 6) {
 			// Mid waves: introduce more variety
 			if (monsterRoll < 0.4) newShadow = new Shadow();else if (monsterRoll < 0.6) newShadow = new FastShadow();else if (monsterRoll < 0.75) newShadow = new TankShadow();else if (monsterRoll < 0.9) newShadow = new SplitterShadow();else newShadow = new TeleporterShadow();
-		} else {
+		} else if (waveLevel < 10) {
 			// Late waves: all monster types including dangerous ones
-			if (monsterRoll < 0.25) newShadow = new Shadow();else if (monsterRoll < 0.4) newShadow = new FastShadow();else if (monsterRoll < 0.55) newShadow = new TankShadow();else if (monsterRoll < 0.7) newShadow = new SplitterShadow();else if (monsterRoll < 0.85) newShadow = new TeleporterShadow();else newShadow = new BomberShadow();
+			if (monsterRoll < 0.2) newShadow = new Shadow();else if (monsterRoll < 0.35) newShadow = new FastShadow();else if (monsterRoll < 0.5) newShadow = new TankShadow();else if (monsterRoll < 0.65) newShadow = new SplitterShadow();else if (monsterRoll < 0.75) newShadow = new TeleporterShadow();else if (monsterRoll < 0.85) newShadow = new BomberShadow();else if (monsterRoll < 0.92) newShadow = new HealerShadow();else newShadow = new ShielderShadow();
+		} else {
+			// Very late waves: all enemy types including new ones
+			if (monsterRoll < 0.15) newShadow = new Shadow();else if (monsterRoll < 0.25) newShadow = new FastShadow();else if (monsterRoll < 0.35) newShadow = new TankShadow();else if (monsterRoll < 0.45) newShadow = new SplitterShadow();else if (monsterRoll < 0.55) newShadow = new TeleporterShadow();else if (monsterRoll < 0.65) newShadow = new BomberShadow();else if (monsterRoll < 0.75) newShadow = new HealerShadow();else if (monsterRoll < 0.85) newShadow = new ShielderShadow();else if (monsterRoll < 0.93) newShadow = new BerserkerShadow();else newShadow = new MimicShadow();
 		}
 		// Spawn from random edge
 		var edge = Math.floor(Math.random() * 4);
 		switch (edge) {
@@ -651,9 +886,16 @@
 		// Check collision with shadows
 		for (var k = shadows.length - 1; k >= 0; k--) {
 			if (projectile.intersects(shadows[k])) {
 				var shadow = shadows[k];
-				shadow.health -= damageBonusActive ? 2 : 1;
+				// Check if enemy is shielded
+				var damage = damageBonusActive ? 2 : 1;
+				if (shadow.monsterType === 'shielder' && shadow.shieldActive) {
+					damage = 0; // No damage when shielded
+					LK.effects.flashObject(shadow, 0x4444ff, 100);
+				} else {
+					shadow.health -= damage;
+				}
 				var shadowDestroyed = false;
 				if (shadow.health <= 0) {
 					// Handle special monster behaviors on death
 					if (shadow.monsterType === 'splitter' && shadow.health <= 0) {
@@ -680,9 +922,9 @@
 					game.addChild(newOrb);
 					shadow.destroy();
 					shadows.splice(k, 1);
 					shadowDestroyed = true;
-					var scoreValue = shadow.monsterType === 'tank' ? 25 : shadow.monsterType === 'splitter' ? 30 : shadow.monsterType === 'teleporter' ? 20 : shadow.monsterType === 'bomber' ? 35 : 10;
+					var scoreValue = shadow.monsterType === 'tank' ? 25 : shadow.monsterType === 'splitter' ? 30 : shadow.monsterType === 'teleporter' ? 20 : shadow.monsterType === 'bomber' ? 35 : shadow.monsterType === 'healer' ? 40 : shadow.monsterType === 'shielder' ? 35 : shadow.monsterType === 'berserker' ? 45 : shadow.monsterType === 'mimic' ? 50 : 10;
 					score += scoreValue;
 					scoreTxt.setText('Score: ' + score);
 					LK.getSound('shadowDestroy').play();
 				} else {
@@ -707,9 +949,15 @@
 		for (var m = shadows.length - 1; m >= 0; m--) {
 			var distance = Math.sqrt(Math.pow(spell.x - shadows[m].x, 2) + Math.pow(spell.y - shadows[m].y, 2));
 			if (distance < spell.radius) {
 				var shadow = shadows[m];
-				shadow.health -= damageBonusActive ? 4 : 2; // Fire spells do more damage
+				// Check if enemy is shielded
+				var damage = damageBonusActive ? 4 : 2; // Fire spells do more damage
+				if (shadow.monsterType === 'shielder' && shadow.shieldActive) {
+					damage = Math.ceil(damage / 2); // Reduced damage when shielded
+					LK.effects.flashObject(shadow, 0x4444ff, 100);
+				}
+				shadow.health -= damage;
 				if (shadow.health <= 0) {
 					// Handle special monster behaviors on death
 					if (shadow.monsterType === 'splitter') {
 						// Create two smaller fast shadows
@@ -734,9 +982,9 @@
 					lightOrbs.push(newOrb);
 					game.addChild(newOrb);
 					shadow.destroy();
 					shadows.splice(m, 1);
-					var scoreValue = shadow.monsterType === 'tank' ? 30 : shadow.monsterType === 'splitter' ? 35 : shadow.monsterType === 'teleporter' ? 25 : shadow.monsterType === 'bomber' ? 40 : 15;
+					var scoreValue = shadow.monsterType === 'tank' ? 30 : shadow.monsterType === 'splitter' ? 35 : shadow.monsterType === 'teleporter' ? 25 : shadow.monsterType === 'bomber' ? 40 : shadow.monsterType === 'healer' ? 45 : shadow.monsterType === 'shielder' ? 40 : shadow.monsterType === 'berserker' ? 50 : shadow.monsterType === 'mimic' ? 55 : 15;
 					score += scoreValue;
 					scoreTxt.setText('Score: ' + score);
 					LK.getSound('shadowDestroy').play();
 				} else {