Make configurable parameters constants
Make configurable parameters constants

gfx-rs/gfx-rs,davll/gfx,Bastacyclop/gfx,ColinKinloch/gfx,tanderegg/gfx,tanderegg/gfx,ColinKinloch/gfx,JohnColanduoni/gfx,sectopod/gfx-rs,JohnColanduoni/gfx