/// <summary>
/// Calcule et renvoie la matrice de transformation qui sera appliquée au spritebatch
/// et qui fera en sorte de suivre le joueur
/// </summary>
/// <returns>Une matrice de transformation de la caméra</returns>
public Matrix GetViewMatrix(MenuPage page)
{
if (page.GetType() == typeof(GamePage))
{
Origin = new Vector2(GamePage.player.Center.X - viewport.Width / 2f, GamePage.player.Center.Y - viewport.Height / 2f);
return
(Matrix.CreateTranslation(new Vector3(-Position, 0.0f)) *
Matrix.CreateTranslation(new Vector3(-origin, 0.0f)) *
Matrix.CreateScale(Zoom, Zoom, 1));
}
return
(Matrix.CreateTranslation(new Vector3(-Position, 0.0f)) *
Matrix.CreateScale(Zoom, Zoom, 1));
}