===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,361 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var Bullet = Container.expand(function (weaponType) {
+	var self = Container.call(this);
+	var bulletGraphics = self.attachAsset('bullet', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = -12;
+	self.weaponType = weaponType || 'normal';
+	self.update = function () {
+		self.y += self.speed;
+	};
+	return self;
+});
+var EnemyCube = Container.expand(function () {
+	var self = Container.call(this);
+	var enemyGraphics = self.attachAsset('enemyCube', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 2 + Math.random() * 3;
+	self.movePattern = Math.floor(Math.random() * 3);
+	self.initialX = self.x;
+	self.update = function () {
+		self.y += self.speed;
+		if (self.movePattern === 1) {
+			self.x = self.initialX + Math.sin(self.y * 0.01) * 50;
+		} else if (self.movePattern === 2) {
+			self.x += Math.sin(LK.ticks * 0.1) * 2;
+		}
+	};
+	return self;
+});
+var Player = Container.expand(function () {
+	var self = Container.call(this);
+	var playerGraphics = self.attachAsset('playerCube', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.weaponType = 'normal';
+	self.shootCooldown = 0;
+	self.weaponTimer = 0;
+	self.weaponDuration = 300; // 5 seconds at 60fps
+	self.setWeapon = function (weaponType) {
+		self.weaponType = weaponType;
+		self.weaponTimer = self.weaponDuration;
+		// Visual feedback for weapon upgrade
+		tween(playerGraphics, {
+			tint: 0xFFD700
+		}, {
+			duration: 200,
+			onFinish: function onFinish() {
+				tween(playerGraphics, {
+					tint: 0xFFFFFF
+				}, {
+					duration: 200
+				});
+			}
+		});
+	};
+	self.shoot = function () {
+		if (self.shootCooldown <= 0) {
+			var bulletSpeed = 8;
+			if (self.weaponType === 'rapidFire') {
+				self.shootCooldown = 5;
+				self.createBullet(0, 0);
+			} else if (self.weaponType === 'spreadShot') {
+				self.shootCooldown = 15;
+				self.createBullet(-20, -5);
+				self.createBullet(0, 0);
+				self.createBullet(20, 5);
+			} else if (self.weaponType === 'explosive') {
+				self.shootCooldown = 20;
+				var bullet = self.createBullet(0, 0);
+				bullet.tint = 0xFF4500;
+			} else {
+				self.shootCooldown = 10;
+				self.createBullet(0, 0);
+			}
+			LK.getSound('shoot').play();
+		}
+	};
+	self.createBullet = function (offsetX, speedX) {
+		var bullet = new Bullet(self.weaponType);
+		bullet.x = self.x + offsetX;
+		bullet.y = self.y - 50;
+		bullet.speedX = speedX || 0;
+		return bullet;
+	};
+	self.update = function () {
+		if (self.shootCooldown > 0) {
+			self.shootCooldown--;
+		}
+		if (self.weaponTimer > 0) {
+			self.weaponTimer--;
+			if (self.weaponTimer <= 0) {
+				self.weaponType = 'normal';
+				tween(playerGraphics, {
+					tint: 0xFFFFFF
+				}, {
+					duration: 300
+				});
+			}
+		}
+	};
+	return self;
+});
+var WeaponPickup = Container.expand(function (weaponType) {
+	var self = Container.call(this);
+	var pickupGraphics = self.attachAsset('weaponPickup', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.weaponType = weaponType || 'rapidFire';
+	self.speed = 3;
+	self.bobOffset = Math.random() * Math.PI * 2;
+	self.update = function () {
+		self.y += self.speed;
+		self.x += Math.sin(LK.ticks * 0.1 + self.bobOffset) * 0.5;
+		pickupGraphics.rotation += 0.05;
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x1a1a2e
+});
+
+/**** 
+* Game Code
+****/ 
+game.setBackgroundColor(0x16213e);
+// Game variables
+var player;
+var enemies = [];
+var bullets = [];
+var pickups = [];
+var waveNumber = 1;
+var enemiesInWave = 5;
+var enemiesSpawned = 0;
+var spawnTimer = 0;
+var dragNode = null;
+// UI elements
+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: 0xFFFFFF
+});
+waveTxt.anchor.set(1, 0);
+LK.gui.topRight.addChild(waveTxt);
+waveTxt.x -= 20;
+var weaponTxt = new Text2('Weapon: Normal', {
+	size: 40,
+	fill: 0xFFD700
+});
+weaponTxt.anchor.set(0, 1);
+LK.gui.bottomLeft.addChild(weaponTxt);
+weaponTxt.x += 20;
+weaponTxt.y -= 20;
+// Initialize player
+player = game.addChild(new Player());
+player.x = 1024;
+player.y = 2400;
+// Weapon types for pickups
+var weaponTypes = ['rapidFire', 'spreadShot', 'explosive'];
+function spawnEnemy() {
+	var enemy = new EnemyCube();
+	enemy.x = Math.random() * 1800 + 124; // Keep enemies within screen bounds
+	enemy.y = -60;
+	enemy.initialX = enemy.x;
+	enemies.push(enemy);
+	game.addChild(enemy);
+}
+function spawnWeaponPickup(x, y) {
+	var weaponType = weaponTypes[Math.floor(Math.random() * weaponTypes.length)];
+	var pickup = new WeaponPickup(weaponType);
+	pickup.x = x;
+	pickup.y = y;
+	pickups.push(pickup);
+	game.addChild(pickup);
+}
+function checkCollision(obj1, obj2) {
+	return obj1.intersects(obj2);
+}
+function nextWave() {
+	waveNumber++;
+	enemiesInWave = Math.min(5 + waveNumber * 2, 20);
+	enemiesSpawned = 0;
+	waveTxt.setText('Wave: ' + waveNumber);
+}
+function updateWeaponText() {
+	var weaponName = 'Normal';
+	if (player.weaponType === 'rapidFire') weaponName = 'Rapid Fire';else if (player.weaponType === 'spreadShot') weaponName = 'Spread Shot';else if (player.weaponType === 'explosive') weaponName = 'Explosive';
+	weaponTxt.setText('Weapon: ' + weaponName);
+}
+// Event handlers
+game.down = function (x, y, obj) {
+	dragNode = player;
+	player.x = Math.max(40, Math.min(2008, x));
+	player.y = Math.max(40, Math.min(2692, y));
+};
+game.move = function (x, y, obj) {
+	if (dragNode) {
+		dragNode.x = Math.max(40, Math.min(2008, x));
+		dragNode.y = Math.max(40, Math.min(2692, y));
+	}
+};
+game.up = function (x, y, obj) {
+	dragNode = null;
+};
+// Main game loop
+game.update = function () {
+	// Update player
+	player.shoot();
+	updateWeaponText();
+	// Spawn enemies
+	if (enemiesSpawned < enemiesInWave) {
+		spawnTimer--;
+		if (spawnTimer <= 0) {
+			spawnEnemy();
+			enemiesSpawned++;
+			spawnTimer = Math.max(30 - waveNumber * 2, 10);
+		}
+	}
+	// Update bullets
+	for (var i = bullets.length - 1; i >= 0; i--) {
+		var bullet = bullets[i];
+		if (bullet.speedX) {
+			bullet.x += bullet.speedX;
+		}
+		// Remove bullets that are off screen
+		if (bullet.y < -50) {
+			bullet.destroy();
+			bullets.splice(i, 1);
+			continue;
+		}
+		// Check bullet-enemy collisions
+		for (var j = enemies.length - 1; j >= 0; j--) {
+			var enemy = enemies[j];
+			if (checkCollision(bullet, enemy)) {
+				// Handle explosive bullets
+				if (bullet.weaponType === 'explosive') {
+					for (var k = enemies.length - 1; k >= 0; k--) {
+						var nearbyEnemy = enemies[k];
+						var dx = nearbyEnemy.x - enemy.x;
+						var dy = nearbyEnemy.y - enemy.y;
+						var distance = Math.sqrt(dx * dx + dy * dy);
+						if (distance < 100) {
+							LK.setScore(LK.getScore() + 10);
+							LK.effects.flashObject(nearbyEnemy, 0xFF4500, 300);
+							nearbyEnemy.destroy();
+							enemies.splice(k, 1);
+							if (Math.random() < 0.3) {
+								spawnWeaponPickup(nearbyEnemy.x, nearbyEnemy.y);
+							}
+						}
+					}
+				} else {
+					LK.setScore(LK.getScore() + 10);
+					LK.effects.flashObject(enemy, 0xFF0000, 200);
+					// Chance to drop weapon pickup
+					if (Math.random() < 0.25) {
+						spawnWeaponPickup(enemy.x, enemy.y);
+					}
+					enemy.destroy();
+					enemies.splice(j, 1);
+				}
+				LK.getSound('enemyHit').play();
+				bullet.destroy();
+				bullets.splice(i, 1);
+				scoreTxt.setText('Score: ' + LK.getScore());
+				break;
+			}
+		}
+	}
+	// Update enemies
+	for (var i = enemies.length - 1; i >= 0; i--) {
+		var enemy = enemies[i];
+		// Remove enemies that are off screen
+		if (enemy.y > 2800) {
+			enemy.destroy();
+			enemies.splice(i, 1);
+			continue;
+		}
+		// Check player-enemy collision
+		if (checkCollision(player, enemy)) {
+			LK.effects.flashScreen(0xFF0000, 1000);
+			LK.getSound('playerHit').play();
+			LK.showGameOver();
+			return;
+		}
+	}
+	// Update weapon pickups
+	for (var i = pickups.length - 1; i >= 0; i--) {
+		var pickup = pickups[i];
+		// Remove pickups that are off screen
+		if (pickup.y > 2800) {
+			pickup.destroy();
+			pickups.splice(i, 1);
+			continue;
+		}
+		// Check player-pickup collision
+		if (checkCollision(player, pickup)) {
+			player.setWeapon(pickup.weaponType);
+			LK.getSound('pickup').play();
+			pickup.destroy();
+			pickups.splice(i, 1);
+		}
+	}
+	// Check for next wave
+	if (enemiesSpawned >= enemiesInWave && enemies.length === 0) {
+		nextWave();
+	}
+	// Create bullets when player shoots
+	if (LK.ticks % 1 === 0) {
+		var newBullets = [];
+		game.children.forEach(function (child) {
+			if (child.createBullet && child.shootCooldown === 0) {
+				// This is handled in player.shoot()
+			}
+		});
+		// Add bullets created by player
+		if (player.shootCooldown === 1) {
+			var playerBullets = [];
+			if (player.weaponType === 'rapidFire') {
+				playerBullets.push(player.createBullet(0, 0));
+			} else if (player.weaponType === 'spreadShot') {
+				playerBullets.push(player.createBullet(-20, -2));
+				playerBullets.push(player.createBullet(0, 0));
+				playerBullets.push(player.createBullet(20, 2));
+			} else if (player.weaponType === 'explosive') {
+				var bullet = player.createBullet(0, 0);
+				bullet.tint = 0xFF4500;
+				playerBullets.push(bullet);
+			} else {
+				playerBullets.push(player.createBullet(0, 0));
+			}
+			playerBullets.forEach(function (bullet) {
+				if (bullet) {
+					bullets.push(bullet);
+					game.addChild(bullet);
+				}
+			});
+		}
+	}
+};
\ No newline at end of file