fixed intersection calculation for objects who's center is not aligned with their voxelmap's
fixed intersection calculation for objects who's center is not aligned with their voxelmap's

FranciscoDA/OpenApoc,Istrebitel/OpenApoc,FranciscoDA/OpenApoc,Istrebitel/OpenApoc,steveschnepp/OpenApoc,steveschnepp/OpenApoc,pmprog/OpenApoc,FranciscoDA/OpenApoc,pmprog/OpenApoc