/****
* Classes
****/
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// Class for the Dino character
var Dino = Container.expand(function () {
  var self = Container.call(this);
  var dinoGraphics = self.attachAsset('dino', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.yVelocity = 0;
  self.isJumping = false;
  self.jump = function () {
    if (!self.isJumping) {
      self.yVelocity = -20;
      self.isJumping = true;
    }
  };
  self.update = function () {
    self.y += self.yVelocity;
    self.yVelocity += 1; // Gravity effect
    if (self.y >= 200) {
      // Ground level
      self.y = 200;
      self.yVelocity = 0;
      self.isJumping = false;
    }
  };
});
// Class for Obstacles
var Obstacle = Container.expand(function () {
  var self = Container.call(this);
  var obstacleGraphics = self.attachAsset('obstacle', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speed = -10;
  self.update = function () {
    self.x += self.speed;
    if (self.x < -100) {
      self.destroy();
    }
  };
});

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

/****
* Game Code
****/
// Initialize Dino
var dino = game.addChild(new Dino());
dino.x = 200;
dino.y = 200;
// Array to keep track of obstacles
var obstacles = [];
// Function to spawn obstacles
function spawnObstacle() {
  var obstacle = new Obstacle();
  obstacle.x = 2048;
  obstacle.y = 200;
  obstacles.push(obstacle);
  game.addChild(obstacle);
}
// Handle game updates
game.update = function () {
  dino.update();
  for (var i = obstacles.length - 1; i >= 0; i--) {
    obstacles[i].update();
    if (dino.intersects(obstacles[i])) {
      LK.effects.flashScreen(0xff0000, 1000);
      LK.showGameOver();
    }
  }
  if (LK.ticks % 60 == 0) {
    // Spawn obstacle every second
    spawnObstacle();
  }
};
// Handle touch events for jumping
game.down = function (x, y, obj) {
  dino.jump();
};