/****
* Classes
****/
//<Assets used in the game will automatically appear here>
// Define the Player class
var Player = Container.expand(function () {
  var self = Container.call(this);
  var playerGraphics = self.attachAsset('player', {
    anchorX: 0.5,
    anchorY: 1.0
  });
  self.velocityY = 0;
  self.isJumping = false;
  self.jumpStartTime = 0;
  self.update = function () {
    if (self.isJumping) {
      var jumpDuration = LK.ticks - self.jumpStartTime;
      self.velocityY = -Math.min(20, jumpDuration / 5);
    } else {
      self.velocityY += 1; // Gravity
    }
    self.y += self.velocityY;
    // Prevent player from falling below the ground
    if (self.y > 2732 - playerGraphics.height) {
      self.y = 2732 - playerGraphics.height;
      self.velocityY = 0;
    }
  };
  self.startJump = function () {
    self.isJumping = true;
    self.jumpStartTime = LK.ticks;
  };
  self.endJump = function () {
    self.isJumping = false;
  };
  return self;
});

/****
* Initialize Game
****/
var game = new LK.Game({
  backgroundColor: 0x87CEEB // Sky blue background
});

/****
* Game Code
****/
var player = game.addChild(new Player());
player.x = 2048 / 2;
player.y = 2732 - 100;
game.down = function (x, y, obj) {
  player.startJump();
};
game.up = function (x, y, obj) {
  player.endJump();
};
game.update = function () {
  player.update();
};