based on calculate bounds for an object in 2d space taking into account its transform https://github.com/prime31/Nez/blob/0e97e68bd9df191fb3b893eb69e54238c30fcc80/Nez.Portable/Utils/Extensions/Bounds.cs#L184
See Implementation
based on calculate bounds for an object in 2d space taking into account its transform https://github.com/prime31/Nez/blob/0e97e68bd9df191fb3b893eb69e54238c30fcc80/Nez.Portable/Utils/Extensions/Bounds.cs#L184