/****
* Classes
****/
//<Assets used in the game will automatically appear here>
// DuneBuggy class to represent the player's vehicle
var DuneBuggy = Container.expand(function () {
  var self = Container.call(this);
  var buggyGraphics = self.attachAsset('duneBuggy', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speed = 5;
  self.update = function () {
    // Update logic for the buggy, if needed
  };
});
// Obstacle class to represent obstacles in the game
var Obstacle = Container.expand(function () {
  var self = Container.call(this);
  var obstacleGraphics = self.attachAsset('obstacle', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speed = -3;
  self.update = function () {
    self.y += self.speed;
  };
});
// Supply class to represent supplies that can be picked up
var Supply = Container.expand(function () {
  var self = Container.call(this);
  var supplyGraphics = self.attachAsset('supply', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speed = -3;
  self.update = function () {
    self.y += self.speed;
  };
});

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

/****
* Game Code
****/
var duneBuggy = game.addChild(new DuneBuggy());
duneBuggy.x = 2048 / 2;
duneBuggy.y = 2732 - 200;
var obstacles = [];
var supplies = [];
var score = 0;
var scoreTxt = new Text2('Score: 0', {
  size: 100,
  fill: "#ffffff"
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
game.update = function () {
  // Update obstacles
  for (var i = obstacles.length - 1; i >= 0; i--) {
    obstacles[i].update();
    if (obstacles[i].y < -50) {
      obstacles[i].destroy();
      obstacles.splice(i, 1);
    }
    if (duneBuggy.intersects(obstacles[i])) {
      LK.effects.flashScreen(0xff0000, 1000);
      LK.showGameOver();
    }
  }
  // Update supplies
  for (var j = supplies.length - 1; j >= 0; j--) {
    supplies[j].update();
    if (supplies[j].y < -50) {
      supplies[j].destroy();
      supplies.splice(j, 1);
    }
    if (duneBuggy.intersects(supplies[j])) {
      score += 10;
      scoreTxt.setText('Score: ' + score);
      supplies[j].destroy();
      supplies.splice(j, 1);
    }
  }
  // Spawn new obstacles and supplies
  if (LK.ticks % 60 == 0) {
    var newObstacle = new Obstacle();
    newObstacle.x = Math.random() * 2048;
    newObstacle.y = 0;
    obstacles.push(newObstacle);
    game.addChild(newObstacle);
  }
  if (LK.ticks % 120 == 0) {
    var newSupply = new Supply();
    newSupply.x = Math.random() * 2048;
    newSupply.y = 0;
    supplies.push(newSupply);
    game.addChild(newSupply);
  }
};
game.down = function (x, y, obj) {
  duneBuggy.x = x;
};
game.move = function (x, y, obj) {
  duneBuggy.x = x;
};
game.up = function (x, y, obj) {
  // No action needed on up event
};