Function time_step

StereoKitC/stereokit.cpp:601–601

double time_step_unscaled    (){ return local.timev_step_us;   };
float  time_stepf            (){ return local.timev_stepf;     };
double time_step             (){ return local.timev_step;      };
void   time_scale(double scale) { local.timev_scale = scale; }
uint64_t time_frame() { return local.frame; }