/// <summary>
/// Add an empty layer with the given parallax
/// </summary>
/// <param name="parallax">Parallax factor, 1.0 = normal,
/// 2.0 = twice, 0.0 = no movement </param>
/// <returns>Return the layer which was added to this Background system</returns>
public BackgroundLayer AddLayer(Vector2 parallax)
{
BackgroundLayer layer = new BackgroundLayer(Camera, parallax);
layers.Add(layer);
return(layer);
}
/// <summary>
/// Add layer, set parallax factor for it and add a list of sprites to the layer
/// </summary>
/// <param name="sprites">List of sprites to be added to the layer</param>
/// <param name="parallax">Parallax factor for this layer</param>
/// <returns>Return the layer which was added to this Background system</returns>
public BackgroundLayer AddLayer(List <Sprite> sprites, Vector2 parallax)
{
BackgroundLayer layer = new BackgroundLayer(Camera, parallax);
foreach (Sprite s in sprites)
{
layer.AddSprite(s);
}
layers.Add(layer);
return(layer);
}
/// <summary>
/// Add layer, set parallax factor for it and add one Sprites to the layer
/// </summary>
/// <param name="sprite">Sprite to be added to the layer</param>
/// <param name="parallax">Parallax factor for this layer</param>
/// <returns>Return the layer which was added to this Background system</returns>
public BackgroundLayer AddLayer(Sprite sprite, Vector2 parallax)
{
BackgroundLayer layer = new BackgroundLayer(Camera, parallax);
layers.Add(layer);
if (sprite != null)
{
layer.AddSprite(sprite);
}
return(layer);
}
