Rotate a vector around another point.
CL_Vec2<int >&amVec2<nt >gt;::rotateateate( const CL_Vec2 < int > & hotspot, const CL_Angle & angle); static CL_Vec2<int &gCL_Vec2<nt &g >::rotrotate( const CL_Vec2 < int > & vector, const CL_Vec2 < int > & hotspot, const CL_Angle & angle);