/****
* Classes
****/
var Dot = Container.expand(function () {
  var self = Container.call(this);
  var dotGraphics = self.attachAsset('dot', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.velocityY = 0;
  self.gravity = 0.5;
  self.bounce = -15;
  self.update = function () {
    self.velocityY += self.gravity;
    self.y += self.velocityY;
    if (self.y > 2732 - self.height / 2) {
      self.velocityY = self.bounce;
    }
  };
  self.bounceUp = function () {
    self.velocityY = self.bounce;
  };
});
var Obstacle = Container.expand(function () {
  var self = Container.call(this);
  var obstacleGraphics = self.attachAsset('obstacle', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speed = -5;
  self.move = function () {
    self.x += self.speed;
    if (self.x < -self.width / 2) {
      self.x = 2048 + self.width / 2;
      self.y = Math.random() * (2732 - self.height) + self.height / 2;
    }
  };
});

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

/****
* Game Code
****/
var dot = game.addChild(new Dot());
dot.x = 2048 / 2;
dot.y = 2732 / 2;
var obstacles = [];
for (var i = 0; i < 5; i++) {
  var obstacle = game.addChild(new Obstacle());
  obstacle.x = 2048 / 2 + i * 450;
  obstacle.y = Math.random() * (2732 - obstacle.height) + obstacle.height / 2;
  obstacles.push(obstacle);
}
var scoreTxt = new Text2('0', {
  size: 150,
  fill: "#ffffff"
});
scoreTxt.anchor.set(0.5, 0);
scoreTxt.x = 2048 / 2;
scoreTxt.y = 50;
LK.gui.top.addChild(scoreTxt);
game.on('down', function (obj) {
  dot.bounceUp();
});
LK.on('tick', function () {
  dot.update();
  for (var i = 0; i < obstacles.length; i++) {
    obstacles[i].move();
    if (dot.intersects(obstacles[i])) {
      LK.effects.flashScreen(0xff0000, 1000);
      LK.showGameOver();
    }
  }
  // Update score based on the dot's survival time
  var currentScore = Math.floor(LK.ticks / 60);
  LK.setScore(currentScore);
  scoreTxt.setText(LK.getScore().toString());
});