camera: remove floating point errors
camera: remove floating point errors

Uses a solution that *rounds to zero places* using a float -> int
-> float cast. I do not quite know how fast this will go, but it
shouldn't be an issue.

Newbrict/engi,EngoEngine/engo,paked/engi,Newbrict/engo,Newbrict/engo,Newbrict/engi,EtienneBruines/engi,EngoEngine/engo