===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,358 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var Enemy = Container.expand(function () {
+	var self = Container.call(this);
+	var graphics = self.attachAsset('enemy', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 2;
+	self.health = 1;
+	self.shootTimer = 0;
+	self.shootInterval = 120; // 2 seconds at 60fps
+	self.update = function () {
+		// Move toward player
+		var dx = hero.x - self.x;
+		var dy = hero.y - self.y;
+		var distance = Math.sqrt(dx * dx + dy * dy);
+		if (distance > 0) {
+			self.x += dx / distance * self.speed * timeScale;
+			self.y += dy / distance * self.speed * timeScale;
+		}
+		// Shoot at player
+		self.shootTimer += timeScale;
+		if (self.shootTimer >= self.shootInterval) {
+			self.shoot();
+			self.shootTimer = 0;
+		}
+	};
+	self.shoot = function () {
+		var bullet = new EnemyBullet();
+		bullet.x = self.x;
+		bullet.y = self.y;
+		enemyBullets.push(bullet);
+		game.addChild(bullet);
+	};
+	self.takeDamage = function (damage) {
+		self.health -= damage;
+		if (self.health <= 0) {
+			LK.effects.flashObject(self, 0xFFFFFF, 200);
+			LK.getSound('enemyHit').play();
+			return true; // Enemy destroyed
+		}
+		return false;
+	};
+	return self;
+});
+var EnemyBullet = Container.expand(function () {
+	var self = Container.call(this);
+	var graphics = self.attachAsset('enemyBullet', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 6;
+	self.damage = 1;
+	self.update = function () {
+		self.y += self.speed * timeScale;
+	};
+	return self;
+});
+var Hero = Container.expand(function () {
+	var self = Container.call(this);
+	var graphics = self.attachAsset('hero', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.maxHealth = 3;
+	self.health = self.maxHealth;
+	self.shootTimer = 0;
+	self.shootInterval = 15; // Fast shooting
+	self.update = function () {
+		// Auto-shoot when in bullet time and enemies exist
+		if (isBulletTimeActive && enemies.length > 0) {
+			self.shootTimer += timeScale;
+			if (self.shootTimer >= self.shootInterval) {
+				self.shoot();
+				self.shootTimer = 0;
+			}
+		}
+	};
+	self.shoot = function () {
+		var bullet = new HeroBullet();
+		bullet.x = self.x;
+		bullet.y = self.y - 40;
+		heroBullets.push(bullet);
+		game.addChild(bullet);
+		LK.getSound('shoot').play();
+	};
+	self.takeDamage = function (damage) {
+		self.health -= damage;
+		LK.effects.flashObject(self, 0xFF0000, 500);
+		LK.getSound('playerHit').play();
+		updateHealthBar();
+		if (self.health <= 0) {
+			LK.showGameOver();
+		}
+	};
+	return self;
+});
+var HeroBullet = Container.expand(function () {
+	var self = Container.call(this);
+	var graphics = self.attachAsset('heroBullet', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 12;
+	self.damage = 1;
+	self.update = function () {
+		self.y -= self.speed * timeScale;
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x1a1a1a
+});
+
+/**** 
+* Game Code
+****/ 
+// Game variables
+var hero;
+var enemies = [];
+var heroBullets = [];
+var enemyBullets = [];
+var timeScale = 1.0;
+var isBulletTimeActive = false;
+var bulletTimeEnergy = 100;
+var maxBulletTimeEnergy = 100;
+var bulletTimeDecayRate = 2;
+var bulletTimeRechargeRate = 1;
+var bulletTimeSlowFactor = 0.2;
+var dragNode = null;
+var enemySpawnTimer = 0;
+var enemySpawnInterval = 180; // 3 seconds
+var waveNumber = 1;
+var enemiesPerWave = 3;
+// UI elements
+var scoreTxt = new Text2('0', {
+	size: 60,
+	fill: 0xFFFFFF
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+scoreTxt.y = 50;
+var healthBarBg = LK.getAsset('healthBarBg', {
+	anchorX: 0,
+	anchorY: 0
+});
+var healthBar = LK.getAsset('healthBar', {
+	anchorX: 0,
+	anchorY: 0
+});
+var bulletTimeBarBg = LK.getAsset('bulletTimeBarBg', {
+	anchorX: 0,
+	anchorY: 0
+});
+var bulletTimeBar = LK.getAsset('bulletTimeBar', {
+	anchorX: 0,
+	anchorY: 0
+});
+LK.gui.topLeft.addChild(healthBarBg);
+LK.gui.topLeft.addChild(healthBar);
+LK.gui.topLeft.addChild(bulletTimeBarBg);
+LK.gui.topLeft.addChild(bulletTimeBar);
+healthBarBg.x = 120;
+healthBarBg.y = 20;
+healthBar.x = 122;
+healthBar.y = 22;
+bulletTimeBarBg.x = 120;
+bulletTimeBarBg.y = 60;
+bulletTimeBar.x = 122;
+bulletTimeBar.y = 62;
+// Initialize hero
+hero = game.addChild(new Hero());
+hero.x = 1024;
+hero.y = 2200;
+// Update score display
+function updateScore() {
+	scoreTxt.setText(LK.getScore());
+}
+// Update health bar
+function updateHealthBar() {
+	var healthPercent = hero.health / hero.maxHealth;
+	healthBar.width = 400 * healthPercent;
+}
+// Update bullet time bar
+function updateBulletTimeBar() {
+	var energyPercent = bulletTimeEnergy / maxBulletTimeEnergy;
+	bulletTimeBar.width = 300 * energyPercent;
+}
+// Spawn enemy
+function spawnEnemy() {
+	var enemy = new Enemy();
+	var side = Math.floor(Math.random() * 4);
+	switch (side) {
+		case 0:
+			// Top
+			enemy.x = Math.random() * 2048;
+			enemy.y = -50;
+			break;
+		case 1:
+			// Right
+			enemy.x = 2098;
+			enemy.y = Math.random() * 1000 + 100;
+			break;
+		case 2:
+			// Bottom
+			enemy.x = Math.random() * 2048;
+			enemy.y = -50;
+			break;
+		case 3:
+			// Left
+			enemy.x = -50;
+			enemy.y = Math.random() * 1000 + 100;
+			break;
+	}
+	// Scale enemy stats with wave number
+	enemy.speed = 2 + waveNumber * 0.3;
+	enemy.shootInterval = Math.max(60, 120 - waveNumber * 5);
+	enemies.push(enemy);
+	game.addChild(enemy);
+}
+// Handle bullet time activation
+function activateBulletTime() {
+	if (bulletTimeEnergy > 0) {
+		isBulletTimeActive = true;
+		timeScale = bulletTimeSlowFactor;
+	}
+}
+// Handle bullet time deactivation
+function deactivateBulletTime() {
+	isBulletTimeActive = false;
+	timeScale = 1.0;
+}
+// Event handlers
+function handleMove(x, y, obj) {
+	if (dragNode) {
+		dragNode.x = x;
+		dragNode.y = y;
+		// Keep hero within bounds
+		dragNode.x = Math.max(40, Math.min(2008, dragNode.x));
+		dragNode.y = Math.max(40, Math.min(2692, dragNode.y));
+	}
+}
+game.move = handleMove;
+game.down = function (x, y, obj) {
+	dragNode = hero;
+	activateBulletTime();
+	handleMove(x, y, obj);
+};
+game.up = function (x, y, obj) {
+	dragNode = null;
+	deactivateBulletTime();
+};
+// Main game update loop
+game.update = function () {
+	// Update bullet time energy
+	if (isBulletTimeActive) {
+		bulletTimeEnergy -= bulletTimeDecayRate;
+		if (bulletTimeEnergy <= 0) {
+			bulletTimeEnergy = 0;
+			deactivateBulletTime();
+		}
+	} else {
+		bulletTimeEnergy += bulletTimeRechargeRate;
+		if (bulletTimeEnergy > maxBulletTimeEnergy) {
+			bulletTimeEnergy = maxBulletTimeEnergy;
+		}
+	}
+	updateBulletTimeBar();
+	// Spawn enemies
+	enemySpawnTimer += timeScale;
+	if (enemySpawnTimer >= enemySpawnInterval) {
+		if (enemies.length < enemiesPerWave) {
+			spawnEnemy();
+		}
+		enemySpawnTimer = 0;
+		// Start new wave if no enemies left
+		if (enemies.length === 0) {
+			waveNumber++;
+			enemiesPerWave = Math.min(8, 3 + Math.floor(waveNumber / 2));
+			enemySpawnInterval = Math.max(60, 180 - waveNumber * 10);
+		}
+	}
+	// Update hero bullets
+	for (var i = heroBullets.length - 1; i >= 0; i--) {
+		var bullet = heroBullets[i];
+		if (bullet.lastY === undefined) bullet.lastY = bullet.y;
+		// Remove bullets that go off screen
+		if (bullet.lastY >= -20 && bullet.y < -20) {
+			bullet.destroy();
+			heroBullets.splice(i, 1);
+			continue;
+		}
+		// Check collision with enemies
+		var hitEnemy = false;
+		for (var j = enemies.length - 1; j >= 0; j--) {
+			var enemy = enemies[j];
+			if (bullet.intersects(enemy)) {
+				if (enemy.takeDamage(bullet.damage)) {
+					// Enemy destroyed
+					enemy.destroy();
+					enemies.splice(j, 1);
+					LK.setScore(LK.getScore() + 10);
+					updateScore();
+				}
+				bullet.destroy();
+				heroBullets.splice(i, 1);
+				hitEnemy = true;
+				break;
+			}
+		}
+		if (!hitEnemy) {
+			bullet.lastY = bullet.y;
+		}
+	}
+	// Update enemy bullets
+	for (var i = enemyBullets.length - 1; i >= 0; i--) {
+		var bullet = enemyBullets[i];
+		if (bullet.lastY === undefined) bullet.lastY = bullet.y;
+		// Remove bullets that go off screen
+		if (bullet.lastY <= 2752 && bullet.y > 2752) {
+			bullet.destroy();
+			enemyBullets.splice(i, 1);
+			continue;
+		}
+		// Check collision with hero
+		if (bullet.intersects(hero)) {
+			hero.takeDamage(bullet.damage);
+			bullet.destroy();
+			enemyBullets.splice(i, 1);
+			continue;
+		}
+		bullet.lastY = bullet.y;
+	}
+	// Check enemy collision with hero
+	for (var i = enemies.length - 1; i >= 0; i--) {
+		var enemy = enemies[i];
+		if (enemy.intersects(hero)) {
+			hero.takeDamage(1);
+			enemy.destroy();
+			enemies.splice(i, 1);
+		}
+	}
+};
+// Initialize UI
+updateScore();
+updateHealthBar();
+updateBulletTimeBar();
\ No newline at end of file