Could be.. but I think it's more wise to have a 2d array per layer-object.
Perhaps there's use for a minor 3d-array per layer, which is just the 2d gamelayer but then with an extra layer behind it for tile-extras.. triggers, events, animationdata.. etc.
Perhaps there's use for a minor 3d-array per layer, which is just the 2d gamelayer but then with an extra layer behind it for tile-extras.. triggers, events, animationdata.. etc.