/// <summary>
/// Raises the StartedNewLevel event as well as incrementing the level index and
/// increasing the background scrolling speed.
/// Intended to be called each time a new level is started beyond the first level.
/// </summary>
private void StartNewLevel()
{
if (currentLevelIndex < finalLevelIndex)
{
currentLevelIndex++;
IncreaseScrollSpeed();
StartedNewLevel?.Invoke(currentLevelIndex);
}
}
/// <summary>
/// Raises the StartedNewLevel event without incrementing the level index or
/// increasing the background scrolling speed.
/// Intended to be called only when starting the first level.
/// </summary>
private void StartFirstLevel()
{
StartedNewLevel?.Invoke(currentLevelIndex);
}