/// <summary>
/// Updates all objects in the world, performs collision between them,
/// and handles the time limit with scoring.
/// </summary>
public void Update(GameTime gameTime, InputState input)
{
if (this._player != null)
{
// Pause while the player is dead or time is expired.
if (!this._player.IsAlive || (this._player.TimeToLive == TimeSpan.Zero))
{
// Remove the player from the level
this._player = null;
}
else
{
// Check for collisions
CollisionManager.Update((float)gameTime.ElapsedGameTime.TotalSeconds);
// Perform player and sprite updates
this._player.Update(gameTime, input);
this._sprites.ForEach((sprite) => sprite.Update(gameTime, input));
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="CollisionManagerScope" /> class.
/// </summary>
/// <param name="bounds">The bounds.</param>
/// <param name="collisionLayer">The collision layer.</param>
public CollisionManagerScope(Rectangle?bounds = null, Layer collisionLayer = null)
{
this._previousCollisionManager = CollisionManager._collisionManager;
CollisionManager._collisionManager = bounds.HasValue ? new CollisionManager(bounds.Value, collisionLayer) : null;
}