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

/**** 
* Classes
****/ 
var Building = Container.expand(function () {
	var self = Container.call(this);
	var buildingGraphics = self.attachAsset('cityBuilding', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	return self;
});
var Cure = Container.expand(function () {
	var self = Container.call(this);
	var cureGraphics = self.attachAsset('cure', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.healAmount = 25;
	self.floatPhase = 0;
	self.baseY = 0;
	self.glowPhase = 0;
	self.update = function () {
		// Floating animation
		self.floatPhase += 0.05;
		self.y = self.baseY + Math.sin(self.floatPhase) * 10;
		// Gentle glow effect
		self.glowPhase += 0.08;
		cureGraphics.alpha = 0.8 + Math.sin(self.glowPhase) * 0.2;
		// Slow rotation
		cureGraphics.rotation += 0.02;
	};
	return self;
});
var Enemy = Container.expand(function (enemyType) {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset(enemyType, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Set health and damage based on enemy type with progressive difficulty
	var difficultyMultiplier = currentRound * 0.5;
	switch (enemyType) {
		case 'enemy1':
			self.health = 80 + currentRound * 20;
			self.damage = 20 + currentRound * 5;
			self.shootDelay = Math.max(30, 90 - currentRound * 10); // Gets faster each round
			break;
		case 'enemy2':
			self.health = 120 + currentRound * 30;
			self.damage = 30 + currentRound * 8;
			self.shootDelay = Math.max(25, 75 - currentRound * 10);
			break;
		case 'enemy3':
			self.health = 160 + currentRound * 40;
			self.damage = 40 + currentRound * 10;
			self.shootDelay = Math.max(20, 60 - currentRound * 8);
			break;
		case 'enemy4':
			self.health = 200 + currentRound * 50;
			self.damage = 50 + currentRound * 12;
			self.shootDelay = Math.max(15, 45 - currentRound * 6);
			break;
		case 'enemy5':
			self.health = 240 + currentRound * 60;
			self.damage = 60 + currentRound * 15;
			self.shootDelay = Math.max(10, 30 - currentRound * 4);
			break;
	}
	self.maxHealth = self.health;
	self.shootTimer = 0;
	self.moveDirection = 1;
	self.speed = 2 + currentRound * 0.5;
	self.isMoving = false;
	self.takeDamage = function (damage) {
		self.health -= damage;
		LK.effects.flashObject(self, 0xffffff, 200);
		if (self.health <= 0) {
			self.health = 0;
			return true; // Enemy destroyed
		}
		return false;
	};
	self.update = function () {
		// Active movement patterns based on round
		if (!self.isMoving && Math.random() < 0.02 + currentRound * 0.005) {
			self.isMoving = true;
			var movementPattern = Math.floor(Math.random() * 3);
			switch (movementPattern) {
				case 0:
					// Vertical movement
					var newY = 200 + Math.random() * 1300;
					tween(self, {
						y: newY
					}, {
						duration: 1000 + Math.random() * 1000,
						easing: tween.easeInOut,
						onFinish: function onFinish() {
							self.isMoving = false;
						}
					});
					break;
				case 1:
					// Horizontal movement
					var newX = Math.max(1200, Math.min(1900, self.x + (Math.random() - 0.5) * 400));
					tween(self, {
						x: newX
					}, {
						duration: 800 + Math.random() * 800,
						easing: tween.easeInOut,
						onFinish: function onFinish() {
							self.isMoving = false;
						}
					});
					break;
				case 2:
					// Diagonal movement
					var newX = Math.max(1200, Math.min(1900, self.x + (Math.random() - 0.5) * 300));
					var newY = 200 + Math.random() * 1300;
					tween(self, {
						x: newX,
						y: newY
					}, {
						duration: 1200 + Math.random() * 800,
						easing: tween.easeInOut,
						onFinish: function onFinish() {
							self.isMoving = false;
						}
					});
					break;
			}
		}
		// Basic movement fallback
		self.y += self.moveDirection * self.speed;
		if (self.y < 200 || self.y > 1500) {
			self.moveDirection *= -1;
		}
		// Shoot at Superman with increased frequency
		self.shootTimer++;
		if (self.shootTimer >= self.shootDelay) {
			self.shootTimer = 0;
			self.shoot();
		}
	};
	self.shoot = function () {
		var bulletSpeed = 8 + currentRound * 2;
		var bulletCount = currentRound >= 3 ? 2 : 1;
		// Determine bullet type based on enemy type
		var BulletClass;
		switch (enemyType) {
			case 'enemy1':
				BulletClass = EnemyBullet1;
				break;
			case 'enemy2':
				BulletClass = EnemyBullet2;
				break;
			case 'enemy3':
				BulletClass = EnemyBullet3;
				break;
			case 'enemy4':
				BulletClass = EnemyBullet4;
				break;
			case 'enemy5':
				BulletClass = EnemyBullet5;
				break;
			default:
				BulletClass = EnemyBullet1;
		}
		for (var b = 0; b < bulletCount; b++) {
			var bullet = new BulletClass();
			bullet.x = self.x - 50;
			bullet.y = self.y + (b * 40 - 20);
			bullet.damage = self.damage;
			// Special handling for wave bullets (enemy3)
			if (enemyType === 'enemy3') {
				bullet.originalY = bullet.y;
			}
			// Calculate direction to Superman
			var dx = superman.x - bullet.x;
			var dy = superman.y - bullet.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			// Add spread for multiple bullets
			if (bulletCount > 1) {
				var spreadAngle = (b - 0.5) * 0.3;
				var cos = Math.cos(spreadAngle);
				var sin = Math.sin(spreadAngle);
				var tempX = dx * cos - dy * sin;
				var tempY = dx * sin + dy * cos;
				dx = tempX;
				dy = tempY;
				distance = Math.sqrt(dx * dx + dy * dy);
			}
			// Normalize direction and set velocity (except for wave bullets)
			if (enemyType !== 'enemy3') {
				bullet.velocityX = dx / distance * bulletSpeed;
				bullet.velocityY = dy / distance * bulletSpeed;
			} else {
				bullet.velocityX = dx / distance * bulletSpeed;
				bullet.velocityY = 0; // Wave bullets don't use velocityY
			}
			enemyBullets.push(bullet);
			game.addChild(bullet);
		}
		LK.getSound('enemyShoot').play();
	};
	return self;
});
var EnemyBullet1 = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('enemyBullet1', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.velocityX = -8;
	self.velocityY = 0;
	self.damage = 10;
	self.update = function () {
		self.x += self.velocityX;
		self.y += self.velocityY;
	};
	return self;
});
var EnemyBullet2 = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('enemyBullet2', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.velocityX = -8;
	self.velocityY = 0;
	self.damage = 15;
	self.rotationSpeed = 0.1;
	self.update = function () {
		self.x += self.velocityX;
		self.y += self.velocityY;
		bulletGraphics.rotation += self.rotationSpeed;
	};
	return self;
});
var EnemyBullet3 = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('enemyBullet3', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.velocityX = -8;
	self.velocityY = 0;
	self.damage = 20;
	self.wavePhase = 0;
	self.waveAmplitude = 100;
	self.originalY = 0;
	self.update = function () {
		self.x += self.velocityX;
		self.wavePhase += 0.2;
		self.y = self.originalY + Math.sin(self.wavePhase) * self.waveAmplitude;
	};
	return self;
});
var EnemyBullet4 = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('enemyBullet4', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.velocityX = -8;
	self.velocityY = 0;
	self.damage = 25;
	self.pulsePhase = 0;
	self.baseScale = 1;
	self.update = function () {
		self.x += self.velocityX;
		self.y += self.velocityY;
		self.pulsePhase += 0.3;
		var scale = self.baseScale + Math.sin(self.pulsePhase) * 0.3;
		bulletGraphics.scale.set(scale, scale);
	};
	return self;
});
var EnemyBullet5 = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('enemyBullet5', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.velocityX = -8;
	self.velocityY = 0;
	self.damage = 30;
	self.acceleration = 0.2;
	self.rotationSpeed = 0.15;
	self.update = function () {
		self.velocityX -= self.acceleration;
		self.velocityY += (Math.random() - 0.5) * 0.5;
		self.x += self.velocityX;
		self.y += self.velocityY;
		bulletGraphics.rotation += self.rotationSpeed;
	};
	return self;
});
var HeatVision = Container.expand(function () {
	var self = Container.call(this);
	var heatGraphics = self.attachAsset('heatVision', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 15;
	self.damage = 20;
	self.update = function () {
		self.x += self.speed;
	};
	return self;
});
var Moon = Container.expand(function () {
	var self = Container.call(this);
	var moonGraphics = self.attachAsset('moon', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	moonGraphics.alpha = 0.9;
	self.glowPhase = 0;
	self.update = function () {
		// Subtle glow effect
		self.glowPhase += 0.01;
		moonGraphics.alpha = 0.8 + Math.sin(self.glowPhase) * 0.1;
	};
	return self;
});
var Star = Container.expand(function () {
	var self = Container.call(this);
	var starGraphics = self.attachAsset('star', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.baseAlpha = 0.3 + Math.random() * 0.7;
	self.twinkleSpeed = 0.02 + Math.random() * 0.03;
	self.twinklePhase = Math.random() * Math.PI * 2;
	self.update = function () {
		// Twinkling effect
		self.twinklePhase += self.twinkleSpeed;
		starGraphics.alpha = self.baseAlpha + Math.sin(self.twinklePhase) * 0.3;
	};
	return self;
});
var Superman = Container.expand(function () {
	var self = Container.call(this);
	var supermanGraphics = self.attachAsset('superman', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.health = 100;
	self.maxHealth = 100;
	self.shootCooldown = 0;
	self.invulnerable = false;
	self.invulnerableTime = 0;
	self.takeDamage = function (damage) {
		if (self.invulnerable) return;
		self.health -= damage;
		self.invulnerable = true;
		self.invulnerableTime = 60; // 1 second at 60fps
		// Flash red when taking damage
		LK.effects.flashObject(self, 0xff0000, 500);
		LK.getSound('hit').play();
		if (self.health <= 0) {
			self.health = 0;
			gameOver = true;
		}
	};
	self.update = function () {
		if (self.shootCooldown > 0) {
			self.shootCooldown--;
		}
		if (self.invulnerableTime > 0) {
			self.invulnerableTime--;
			if (self.invulnerableTime <= 0) {
				self.invulnerable = false;
			}
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x0f0f23
});

/**** 
* Game Code
****/ 
var superman = null;
var heatVisionBeams = [];
var enemies = [];
var enemyBullets = [];
var buildings = [];
var stars = [];
var moon = null;
var currentRound = 1;
var maxRounds = 5;
var gameOver = false;
var roundComplete = false;
var dragNode = null;
var cures = [];
// Enemy types for each round
var enemyTypes = ['enemy1', 'enemy2', 'enemy3', 'enemy4', 'enemy5'];
// Create night sky gradient background
var skyGradient = LK.getAsset('heatVision', {
	anchorX: 0,
	anchorY: 0,
	scaleX: 34,
	scaleY: 228
});
skyGradient.x = 0;
skyGradient.y = 0;
skyGradient.alpha = 0.3;
skyGradient.tint = 0x1a1a3a;
game.addChild(skyGradient);
// Create stars
for (var i = 0; i < 80; i++) {
	var star = new Star();
	star.x = Math.random() * 2048;
	star.y = Math.random() * 1000;
	stars.push(star);
	game.addChild(star);
}
// Create moon
moon = new Moon();
moon.x = 1700;
moon.y = 300;
game.addChild(moon);
// Create city background
for (var i = 0; i < 12; i++) {
	var building = new Building();
	building.x = i * 180;
	building.y = 2732;
	building.alpha = 0.3;
	buildings.push(building);
	game.addChild(building);
}
// Create Superman
superman = new Superman();
superman.x = 300;
superman.y = 1366;
game.addChild(superman);
// Create UI elements
var roundText = new Text2('Round: 1', {
	size: 60,
	fill: 0xFFFFFF
});
roundText.anchor.set(0.5, 0);
LK.gui.top.addChild(roundText);
var healthText = new Text2('Health: 100', {
	size: 50,
	fill: 0xFFFFFF
});
healthText.anchor.set(0, 0);
healthText.x = 120;
healthText.y = 10;
LK.gui.topLeft.addChild(healthText);
var scoreText = new Text2('Score: 0', {
	size: 50,
	fill: 0xFFFFFF
});
scoreText.anchor.set(1, 0);
LK.gui.topRight.addChild(scoreText);
// Start first round
function startRound() {
	if (currentRound > maxRounds) {
		LK.showYouWin();
		return;
	}
	roundComplete = false;
	var enemy = new Enemy(enemyTypes[currentRound - 1]);
	enemy.x = 1800;
	enemy.y = 800;
	enemies.push(enemy);
	game.addChild(enemy);
	roundText.setText('Round: ' + currentRound);
	// Spawn 2 cures per round
	for (var c = 0; c < 2; c++) {
		var cure = new Cure();
		cure.x = 400 + Math.random() * 1200; // Random x position in playable area
		cure.y = 400 + Math.random() * 1200; // Random y position in playable area
		cure.baseY = cure.y;
		cures.push(cure);
		game.addChild(cure);
	}
}
// Touch controls
game.down = function (x, y, obj) {
	dragNode = superman;
	superman.x = x;
	superman.y = y;
	// Shoot heat vision
	if (superman.shootCooldown <= 0) {
		var beam = new HeatVision();
		beam.x = superman.x + 40;
		beam.y = superman.y;
		heatVisionBeams.push(beam);
		game.addChild(beam);
		superman.shootCooldown = 15; // 0.25 seconds
		LK.getSound('shoot').play();
	}
};
game.move = function (x, y, obj) {
	if (dragNode) {
		dragNode.x = x;
		dragNode.y = y;
	}
};
game.up = function (x, y, obj) {
	dragNode = null;
};
// Initialize first round
startRound();
game.update = function () {
	if (gameOver) {
		LK.showGameOver();
		return;
	}
	// Update health display
	healthText.setText('Health: ' + superman.health);
	scoreText.setText('Score: ' + LK.getScore());
	// Check if round is complete
	if (enemies.length === 0 && !roundComplete) {
		roundComplete = true;
		currentRound++;
		LK.setTimeout(function () {
			startRound();
		}, 2000);
	}
	// Update heat vision beams
	for (var i = heatVisionBeams.length - 1; i >= 0; i--) {
		var beam = heatVisionBeams[i];
		// Remove if off screen
		if (beam.x > 2100) {
			beam.destroy();
			heatVisionBeams.splice(i, 1);
			continue;
		}
		// Check collision with enemies
		for (var j = enemies.length - 1; j >= 0; j--) {
			var enemy = enemies[j];
			if (beam.intersects(enemy)) {
				var destroyed = enemy.takeDamage(beam.damage);
				beam.destroy();
				heatVisionBeams.splice(i, 1);
				if (destroyed) {
					LK.setScore(LK.getScore() + 100);
					// 30% chance to spawn a cure after enemy destruction
					if (Math.random() < 0.3) {
						var cure = new Cure();
						cure.x = enemy.x;
						cure.y = enemy.y;
						cure.baseY = enemy.y;
						cures.push(cure);
						game.addChild(cure);
					}
					enemy.destroy();
					enemies.splice(j, 1);
				}
				break;
			}
		}
	}
	// Update enemy bullets
	for (var i = enemyBullets.length - 1; i >= 0; i--) {
		var bullet = enemyBullets[i];
		// Remove if off screen
		if (bullet.x < -100 || bullet.x > 2148 || bullet.y < -100 || bullet.y > 2832) {
			bullet.destroy();
			enemyBullets.splice(i, 1);
			continue;
		}
		// Check collision with Superman
		if (bullet.intersects(superman)) {
			superman.takeDamage(bullet.damage);
			// 20% chance to spawn a cure after Superman gets hit
			if (Math.random() < 0.2) {
				var cure = new Cure();
				cure.x = superman.x + (Math.random() - 0.5) * 200;
				cure.y = superman.y + (Math.random() - 0.5) * 200;
				cure.baseY = cure.y;
				cures.push(cure);
				game.addChild(cure);
			}
			bullet.destroy();
			enemyBullets.splice(i, 1);
		}
	}
	// Update cures
	for (var i = cures.length - 1; i >= 0; i--) {
		var cure = cures[i];
		// Remove if off screen
		if (cure.x < -100 || cure.x > 2148 || cure.y < -100 || cure.y > 2832) {
			cure.destroy();
			cures.splice(i, 1);
			continue;
		}
		// Check collision with Superman
		if (cure.intersects(superman)) {
			// Heal Superman but don't exceed max health
			superman.health = Math.min(superman.maxHealth, superman.health + cure.healAmount);
			LK.effects.flashObject(superman, 0x00ff00, 300); // Green flash for healing
			LK.getSound('heal').play();
			cure.destroy();
			cures.splice(i, 1);
		}
	}
	// Update night sky elements
	for (var i = 0; i < stars.length; i++) {
		stars[i].update();
	}
	if (moon) {
		moon.update();
	}
	// Keep Superman within bounds
	if (superman.x < 40) superman.x = 40;
	if (superman.x > 2008) superman.x = 2008;
	if (superman.y < 60) superman.y = 60;
	if (superman.y > 2672) superman.y = 2672;
};

===================================================================
--- original.js
+++ change.js
@@ -479,8 +479,17 @@
 	enemy.y = 800;
 	enemies.push(enemy);
 	game.addChild(enemy);
 	roundText.setText('Round: ' + currentRound);
+	// Spawn 2 cures per round
+	for (var c = 0; c < 2; c++) {
+		var cure = new Cure();
+		cure.x = 400 + Math.random() * 1200; // Random x position in playable area
+		cure.y = 400 + Math.random() * 1200; // Random y position in playable area
+		cure.baseY = cure.y;
+		cures.push(cure);
+		game.addChild(cure);
+	}
 }
 // Touch controls
 game.down = function (x, y, obj) {
 	dragNode = superman;