/****
* Classes
****/
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// Balloon class to represent each balloon in the game
var Balloon = Container.expand(function () {
  var self = Container.call(this);
  // Randomly choose a color for the balloon
  var colors = [0xff0000, 0x00ff00, 0x0000ff, 0xffff00, 0xff00ff, 0x00ffff];
  var color = colors[Math.floor(Math.random() * colors.length)];
  // Create and attach balloon asset
  var balloonGraphics = self.attachAsset('balloon', {
    color: color,
    anchorX: 0.5,
    anchorY: 0.5
  });
  // Set initial speed and direction
  self.speed = Math.random() * 2 + 1;
  self.direction = Math.random() > 0.5 ? 1 : -1;
  // Update function to move the balloon
  self.update = function () {
    self.y -= self.speed;
    self.x += self.direction;
    // If the balloon goes off screen, reset its position
    if (self.y < -100) {
      self.y = 2732 + 100;
      self.x = Math.random() * 2048;
    }
  };
  // Event handler for popping the balloon
  self.down = function (x, y, obj) {
    // Increase score
    LK.setScore(LK.getScore() + 1);
    scoreTxt.setText(LK.getScore());
    // Destroy the balloon
    self.destroy();
  };
});

/****
* Initialize Game
****/
var game = new LK.Game({
  backgroundColor: 0x87ceeb // Light blue background to simulate the sky
});

/****
* Game Code
****/
// Initialize score text
var scoreTxt = new Text2('0', {
  size: 150,
  fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Array to keep track of balloons
var balloons = [];
// Function to create a new balloon
function createBalloon() {
  var newBalloon = new Balloon();
  newBalloon.x = Math.random() * 2048;
  newBalloon.y = 2732 + 100;
  balloons.push(newBalloon);
  game.addChild(newBalloon);
}
// Create initial balloons
for (var i = 0; i < 10; i++) {
  createBalloon();
}
// Update function called every game tick
game.update = function () {
  // Update each balloon
  for (var i = balloons.length - 1; i >= 0; i--) {
    balloons[i].update();
  }
  // Occasionally add new balloons
  if (LK.ticks % 60 == 0) {
    createBalloon();
  }
};
// Handle touch or mouse down on the game
game.down = function (x, y, obj) {
  // Check if a balloon was clicked
  for (var i = balloons.length - 1; i >= 0; i--) {
    if (balloons[i].intersects(obj)) {
      balloons[i].down(x, y, obj);
      break;
    }
  }
};