SpatialMath is a project mainly written in OBJECTIVE-C and C, it's free.
A collection of ObjC classes for use in 3D spatial manipulation, including matrices, vectors, and quaternions. Based in part on CocoaMath by Erik Österlund.
A collection of ObjC classes for use in 3D spatial manipulation, including matrices, vectors, and quaternions. Based in part on CocoaMath by Erik Österlund.