/****
* Classes
****/
// Assets will be automatically created and loaded by the LK engine based on their usage in the code.
// Planet class representing a planet that can be tapped to explode
var Planet = Container.expand(function () {
  var self = Container.call(this);
  var planetGraphics = self.attachAsset('planet', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  // Randomize initial position
  self.x = Math.random() * 2048;
  self.y = Math.random() * 2732;
  // Event handler for when the planet is tapped
  self.down = function (x, y, obj) {
    // Trigger explosion effect
    LK.effects.flashObject(self, 0xff0000, 500);
    // Increase score
    LK.setScore(LK.getScore() + 1);
    // Update score text
    scoreTxt.setText(LK.getScore());
    // Destroy the planet
    self.destroy();
  };
  // Update function called every game tick
  self.update = function () {
    // Move the planet downwards
    self.y += 2;
    // Reset position if it goes off screen
    if (self.y > 2732) {
      self.y = -self.height;
      self.x = Math.random() * 2048;
    }
  };
});

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

/****
* Game Code
****/
// Initialize score text
var scoreTxt = new Text2('0', {
  size: 150,
  fill: "#ffffff"
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Array to keep track of planets
var planets = [];
// Function to create a new planet
function createPlanet() {
  var newPlanet = new Planet();
  planets.push(newPlanet);
  game.addChild(newPlanet);
}
// Create initial planets
for (var i = 0; i < 5; i++) {
  createPlanet();
}
// Game update function
game.update = function () {
  // Update all planets
  for (var i = planets.length - 1; i >= 0; i--) {
    planets[i].update();
  }
  // Add new planet every 60 ticks
  if (LK.ticks % 60 == 0) {
    createPlanet();
  }
};
// Handle game over when score reaches a certain threshold
function checkGameOver() {
  if (LK.getScore() >= 50) {
    LK.effects.flashScreen(0xff0000, 1000);
    LK.showGameOver();
  }
}
// Set interval to check for game over condition
LK.setInterval(checkGameOver, 1000);