/// <summary>
/// Whether or not this object should collide with another object.
/// </summary>
/// <param name="other">The other object to check for a collision
/// against.</param>
/// <param name="region">The region of collision. An empty bounding box
/// if the objects do not collide.</param>
/// <returns>True if the objects should collide, false otherwise.</returns>
internal bool ShouldCollide(GameObject other, out BBox region)
{
region = BBox.Intersect(other.BBox);
return !region.IsEmpty();
}