/****
* Classes
****/
// Enemy class
var Enemy = Container.expand(function () {
  var self = Container.call(this);
  var enemyGraphics = self.attachAsset('enemy', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speed = 5;
  self.update = function () {
    self.y += self.speed;
    if (self.y > 2732) {
      self.destroy();
    }
  };
});
//<Assets used in the game will automatically appear here>
// Ninja class
var Ninja = Container.expand(function () {
  var self = Container.call(this);
  var ninjaGraphics = self.attachAsset('ninja', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speed = 10;
  self.update = function () {
    // Ninja update logic
  };
  self.move = function (x, y) {
    self.x = x;
    self.y = y;
  };
});
// Obstacle class
var Obstacle = Container.expand(function () {
  var self = Container.call(this);
  var obstacleGraphics = self.attachAsset('obstacle', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.update = function () {
    // Obstacle update logic
  };
});

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

/****
* Game Code
****/
// Initialize variables
var ninja;
var enemies = [];
var obstacles = [];
var scoreTxt;
var score = 0;
// Initialize game elements
function initGame() {
  ninja = game.addChild(new Ninja());
  ninja.x = 2048 / 2;
  ninja.y = 2732 - 200;
  scoreTxt = new Text2('0', {
    size: 150,
    fill: "#ffffff"
  });
  scoreTxt.anchor.set(0.5, 0);
  LK.gui.top.addChild(scoreTxt);
  // Spawn enemies and obstacles
  LK.setInterval(spawnEnemy, 1000);
  LK.setInterval(spawnObstacle, 2000);
}
// Spawn enemy
function spawnEnemy() {
  var enemy = new Enemy();
  enemy.x = Math.random() * 2048;
  enemy.y = -100;
  enemies.push(enemy);
  game.addChild(enemy);
}
// Spawn obstacle
function spawnObstacle() {
  var obstacle = new Obstacle();
  obstacle.x = Math.random() * 2048;
  obstacle.y = Math.random() * 2732;
  obstacles.push(obstacle);
  game.addChild(obstacle);
}
// Handle game updates
game.update = function () {
  // Update ninja
  ninja.update();
  // Update enemies
  for (var i = enemies.length - 1; i >= 0; i--) {
    enemies[i].update();
    if (ninja.intersects(enemies[i])) {
      gameOver();
    }
  }
  // Update obstacles
  for (var j = obstacles.length - 1; j >= 0; j--) {
    obstacles[j].update();
    if (ninja.intersects(obstacles[j])) {
      gameOver();
    }
  }
  // Update score
  scoreTxt.setText(score);
};
// Handle game over
function gameOver() {
  LK.effects.flashScreen(0xff0000, 1000);
  LK.showGameOver();
}
// Handle touch/mouse events
game.down = function (x, y, obj) {
  ninja.move(x, y);
};
game.move = function (x, y, obj) {
  ninja.move(x, y);
};
game.up = function (x, y, obj) {
  // No action needed on up event
};
// Initialize game
initGame();