/**** 
* 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.speedX = 0;
	self.speedY = 2;
	self.health = 1;
	self.update = function () {
		self.x += self.speedX;
		self.y += self.speedY;
		// Apply isometric movement effect
		self.x += self.speedY * 0.5;
	};
	return self;
});
var Player = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.health = 3;
	self.maxHealth = 3;
	self.shootCooldown = 0;
	self.invulnerable = 0;
	self.update = function () {
		if (self.shootCooldown > 0) {
			self.shootCooldown--;
		}
		if (self.invulnerable > 0) {
			self.invulnerable--;
			graphics.alpha = self.invulnerable % 10 < 5 ? 0.5 : 1.0;
		} else {
			graphics.alpha = 1.0;
		}
	};
	self.shoot = function () {
		if (self.shootCooldown <= 0) {
			var bullet = new PlayerBullet();
			bullet.x = self.x;
			bullet.y = self.y - 40;
			bullets.push(bullet);
			game.addChild(bullet);
			self.shootCooldown = 15;
			LK.getSound('shoot').play();
		}
	};
	self.takeDamage = function () {
		if (self.invulnerable <= 0) {
			self.health--;
			self.invulnerable = 120;
			LK.effects.flashObject(self, 0xff0000, 500);
			if (self.health <= 0) {
				LK.showGameOver();
			}
		}
	};
	return self;
});
var PlayerBullet = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -8;
	self.update = function () {
		self.y += self.speed;
		// Apply isometric movement effect
		self.x += self.speed * -0.2;
	};
	return self;
});
var PowerUp = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('powerup', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speedY = 3;
	self.bobOffset = Math.random() * Math.PI * 2;
	self.startY = 0;
	self.update = function () {
		self.y += self.speedY;
		// Apply isometric movement effect
		self.x += self.speedY * 0.5;
		// Bobbing animation
		graphics.y = Math.sin(LK.ticks * 0.1 + self.bobOffset) * 10;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x001122
});

/**** 
* Game Code
****/ 
// Game variables
var player;
var enemies = [];
var bullets = [];
var powerups = [];
var enemySpawnTimer = 0;
var powerupSpawnTimer = 0;
var gameSpeed = 1;
var waveLevel = 1;
var lastHealthDisplay = 3;
// Movement variables
var moveLeft = false;
var moveRight = false;
var moveUp = false;
var moveDown = false;
var dragNode = null;
// Initialize player
player = game.addChild(new Player());
player.x = 1024;
player.y = 2200;
// Score display
var scoreTxt = new Text2('Score: 0', {
	size: 60,
	fill: 0x00FFFF
});
scoreTxt.anchor.set(0, 0);
scoreTxt.x = 120;
scoreTxt.y = 50;
LK.gui.topLeft.addChild(scoreTxt);
// Health display
var healthTxt = new Text2('Health: 3', {
	size: 60,
	fill: 0xFF0000
});
healthTxt.anchor.set(0, 0);
healthTxt.x = 120;
healthTxt.y = 120;
LK.gui.topLeft.addChild(healthTxt);
// Wave display
var waveTxt = new Text2('Wave: 1', {
	size: 60,
	fill: 0xFFFF00
});
waveTxt.anchor.set(1, 0);
LK.gui.topRight.addChild(waveTxt);
// Touch controls
game.down = function (x, y, obj) {
	dragNode = true;
	player.shoot();
	handleMove(x, y, obj);
};
game.up = function (x, y, obj) {
	dragNode = null;
};
function handleMove(x, y, obj) {
	if (dragNode) {
		// Convert screen coordinates to game coordinates
		var gamePos = game.toLocal({
			x: x,
			y: y
		});
		// Smooth movement towards touch position
		var targetX = Math.max(100, Math.min(1948, gamePos.x));
		var targetY = Math.max(200, Math.min(2600, gamePos.y));
		var dx = targetX - player.x;
		var dy = targetY - player.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance > 20) {
			var speed = 8;
			player.x += dx / distance * speed;
			player.y += dy / distance * speed;
		}
	}
}
game.move = handleMove;
// Spawn enemy function
function spawnEnemy() {
	var enemy = new Enemy();
	// Random spawn position from edges with isometric consideration
	var side = Math.floor(Math.random() * 4);
	switch (side) {
		case 0:
			// Top
			enemy.x = Math.random() * 2048;
			enemy.y = -50;
			enemy.speedY = 2 + Math.random() * 2;
			break;
		case 1:
			// Right
			enemy.x = 2098;
			enemy.y = Math.random() * 1000;
			enemy.speedX = -2 - Math.random() * 2;
			enemy.speedY = 1 + Math.random();
			break;
		case 2:
			// Left
			enemy.x = -50;
			enemy.y = Math.random() * 1000;
			enemy.speedX = 2 + Math.random() * 2;
			enemy.speedY = 1 + Math.random();
			break;
		case 3:
			// Top-left diagonal (isometric style)
			enemy.x = -50;
			enemy.y = -50;
			enemy.speedX = 3 + Math.random() * 2;
			enemy.speedY = 3 + Math.random() * 2;
			break;
	}
	// Apply game speed multiplier
	enemy.speedX *= gameSpeed;
	enemy.speedY *= gameSpeed;
	enemies.push(enemy);
	game.addChild(enemy);
}
// Spawn powerup function
function spawnPowerup() {
	var powerup = new PowerUp();
	powerup.x = Math.random() * 1800 + 124;
	powerup.y = -50;
	powerup.startY = powerup.y;
	powerups.push(powerup);
	game.addChild(powerup);
}
// Main game update
game.update = function () {
	// Auto-shoot
	if (LK.ticks % 20 === 0) {
		player.shoot();
	}
	// Enemy spawning
	enemySpawnTimer++;
	var spawnRate = Math.max(30 - Math.floor(waveLevel * 2), 10);
	if (enemySpawnTimer >= spawnRate) {
		spawnEnemy();
		enemySpawnTimer = 0;
	}
	// Powerup spawning
	powerupSpawnTimer++;
	if (powerupSpawnTimer >= 600) {
		// Every 10 seconds
		spawnPowerup();
		powerupSpawnTimer = 0;
	}
	// Update bullets
	for (var i = bullets.length - 1; i >= 0; i--) {
		var bullet = bullets[i];
		if (bullet.lastY === undefined) bullet.lastY = bullet.y;
		// Remove bullets that go off screen
		if (bullet.lastY >= -30 && bullet.y < -30) {
			bullet.destroy();
			bullets.splice(i, 1);
			continue;
		}
		// Check bullet-enemy collisions
		var hitEnemy = false;
		for (var j = enemies.length - 1; j >= 0; j--) {
			if (bullet.intersects(enemies[j])) {
				// Enemy hit
				LK.setScore(LK.getScore() + 10);
				scoreTxt.setText('Score: ' + LK.getScore());
				// Destroy enemy
				enemies[j].destroy();
				enemies.splice(j, 1);
				// Destroy bullet
				bullet.destroy();
				bullets.splice(i, 1);
				LK.getSound('hit').play();
				hitEnemy = true;
				break;
			}
		}
		if (!hitEnemy) {
			bullet.lastY = bullet.y;
		}
	}
	// Update enemies
	for (var i = enemies.length - 1; i >= 0; i--) {
		var enemy = enemies[i];
		// Remove enemies that go off screen
		if (enemy.y > 2800 || enemy.x < -100 || enemy.x > 2148) {
			enemy.destroy();
			enemies.splice(i, 1);
			continue;
		}
		// Check player-enemy collision
		if (enemy.intersects(player)) {
			player.takeDamage();
			enemy.destroy();
			enemies.splice(i, 1);
		}
	}
	// Update powerups
	for (var i = powerups.length - 1; i >= 0; i--) {
		var powerup = powerups[i];
		// Remove powerups that go off screen
		if (powerup.y > 2800) {
			powerup.destroy();
			powerups.splice(i, 1);
			continue;
		}
		// Check player-powerup collision
		if (powerup.intersects(player)) {
			player.health = Math.min(player.health + 1, player.maxHealth);
			LK.getSound('powerup').play();
			LK.effects.flashObject(player, 0x00ff00, 300);
			powerup.destroy();
			powerups.splice(i, 1);
		}
	}
	// Update health display
	if (player.health !== lastHealthDisplay) {
		healthTxt.setText('Health: ' + player.health);
		lastHealthDisplay = player.health;
	}
	// Increase difficulty over time
	if (LK.ticks % 1800 === 0) {
		// Every 30 seconds
		waveLevel++;
		gameSpeed += 0.1;
		waveTxt.setText('Wave: ' + waveLevel);
		LK.effects.flashScreen(0x0000ff, 500);
	}
};

===================================================================
--- original.js
+++ change.js
@@ -95,9 +95,8 @@
 		// Apply isometric movement effect
 		self.x += self.speedY * 0.5;
 		// Bobbing animation
 		graphics.y = Math.sin(LK.ticks * 0.1 + self.bobOffset) * 10;
-		graphics.rotation += 0.05;
 	};
 	return self;
 });