Upit | Learn about creating the game Galactic Defender: Alien Invasion with gen AI

/****
* Classes
****/
// Class for enemy ships
var EnemyShip = Container.expand(function () {
  var self = Container.call(this);
  var enemyGraphics = self.attachAsset('enemyShip', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speed = 5;
  self.update = function () {
    self.y += self.speed;
    if (self.y > 2732 + enemyGraphics.height) {
      self.destroy();
      enemyShips.splice(enemyShips.indexOf(self), 1);
    }
  };
});
// Class for player bullets
var PlayerBullet = Container.expand(function () {
  var self = Container.call(this);
  var bulletGraphics = self.attachAsset('playerBullet', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speed = -15;
  self.update = function () {
    self.y += self.speed;
    if (self.y < -bulletGraphics.height) {
      self.destroy();
      playerBullets.splice(playerBullets.indexOf(self), 1);
    }
  };
});
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// Class for the player's ship
var PlayerShip = Container.expand(function () {
  var self = Container.call(this);
  var shipGraphics = self.attachAsset('playerShip', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speed = 10;
  self.shoot = function () {
    var bullet = new PlayerBullet();
    bullet.x = self.x;
    bullet.y = self.y - shipGraphics.height / 2;
    game.addChild(bullet);
    playerBullets.push(bullet);
  };
});

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

/****
* Game Code
****/
// Arrays to keep track of game objects
var playerBullets = [];
var enemyShips = [];
// Create player ship
var player = game.addChild(new PlayerShip());
player.x = 2048 / 2;
player.y = 2732 - 200;
// Function to spawn enemies
function spawnEnemy() {
  var enemy = new EnemyShip();
  enemy.x = Math.random() * 2048;
  enemy.y = -100;
  game.addChild(enemy);
  enemyShips.push(enemy);
}
// Game update loop
game.update = function () {
  // Update player bullets
  for (var i = playerBullets.length - 1; i >= 0; i--) {
    playerBullets[i].update();
  }
  // Update enemy ships
  for (var j = enemyShips.length - 1; j >= 0; j--) {
    enemyShips[j].update();
  }
  // Check for collisions between player bullets and enemy ships
  for (var k = playerBullets.length - 1; k >= 0; k--) {
    for (var l = enemyShips.length - 1; l >= 0; l--) {
      if (playerBullets[k].intersects(enemyShips[l])) {
        playerBullets[k].destroy();
        enemyShips[l].destroy();
        playerBullets.splice(k, 1);
        enemyShips.splice(l, 1);
        break;
      }
    }
  }
  // Spawn enemies periodically
  if (LK.ticks % 60 === 0) {
    spawnEnemy();
  }
};
// Handle player ship movement
game.move = function (x, y, obj) {
  player.x = x;
};
// Handle shooting
game.down = function (x, y, obj) {
  player.shoot();
};
Creation History

Images

Sounds & Music

Used plugins
