TrueSky = Volumetric. 
Orbit Sky = Sheets. 
TrueSky will give more of that AAA feel, and, volumetric … bonus!
Orbit will be sheets, so, flying in them is still a 2D type feel.
TrueSky = Volumetric.
Orbit Sky = Sheets.
TrueSky will give more of that AAA feel, and, volumetric … bonus!
Orbit will be sheets, so, flying in them is still a 2D type feel.