/****
* Classes
****/
// Bomb class
var Bomb = Container.expand(function () {
  var self = Container.call(this);
  var bombGraphics = self.attachAsset('bomb', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.explode = function () {
    // Create explosion effect
    LK.effects.flashObject(self, 0xff0000, 500);
    // Damage nearby buildings
    for (var i = 0; i < buildings.length; i++) {
      if (self.intersects(buildings[i])) {
        buildings[i].takeDamage(50);
      }
    }
    self.destroy();
  };
});
//<Assets used in the game will automatically appear here>
// Building class
var Building = Container.expand(function () {
  var self = Container.call(this);
  var buildingGraphics = self.attachAsset('building', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.health = 100;
  self.update = function () {
    if (self.health <= 0) {
      self.destroy();
    }
  };
  self.takeDamage = function (damage) {
    self.health -= damage;
  };
});

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

/****
* Game Code
****/
// Initialize buildings array
var buildings = [];
// Create buildings
for (var i = 0; i < 5; i++) {
  var building = new Building();
  building.x = 400 * (i + 1);
  building.y = 1366;
  buildings.push(building);
  game.addChild(building);
}
// Initialize bombs array
var bombs = [];
// Handle touch down event to place bombs
game.down = function (x, y, obj) {
  var bomb = new Bomb();
  bomb.x = x;
  bomb.y = y;
  bombs.push(bomb);
  game.addChild(bomb);
  bomb.explode();
};
// Update game state
game.update = function () {
  for (var i = buildings.length - 1; i >= 0; i--) {
    buildings[i].update();
    if (buildings[i].health <= 0) {
      buildings.splice(i, 1);
    }
  }
  for (var j = bombs.length - 1; j >= 0; j--) {
    if (bombs[j].destroyed) {
      bombs.splice(j, 1);
    }
  }
};