/// <summary>
/// Initializes a new instance of the <see cref="GameManager" /> class.
/// Sets initial values, sets event handling for gameOver, pointScored, nextLevel,
/// newSprite, and powerups
/// </summary>
public GameManager()
{
this.IsGameOver = false;
this.roadManager = new RoadManager(GameSettings.BackgroundWidth);
this.player = new PlayerManager(GameSettings.TopLaneOffset, GameSettings.BackgroundHeight,
GameSettings.LeftBorder,
GameSettings.BackgroundWidth);
this.level = new LevelManager();
this.timeSprite = new TimeExtender();
this.invincibilityStar = new InvincibilityStar();
this.invincibilityTimer = new DispatcherTimer();
this.currentLifeAndPointTime = this.timerLength;
this.startTime = DateTime.Now;
this.Lives = GameSettings.InitialNumLives;
this.player.NewSpriteCreated += this.playerOnNewSpriteCreated;
this.LifeLost += this.player.HandleLifeLost;
this.PointScored += this.handlePointScored;
this.NextLevel += this.moveToNextLevel;
this.TimePowerUp += this.onTimeExtension;
}
