k3d/share/shaders/k3d_smoke.sl:35:void smokedensity(point Pcur, Pshad;
k3d/share/shaders/k3d_smoke.sl:41:  illuminance(Pcur)
k3d/share/shaders/k3d_volcube.sl:221:    point  Pcur_obj     = inPoint_obj + jitter * step_obj;
k3d/share/shaders/k3d_volcube.sl:222:    point  Pcur        = P  + jitter * step_cur;
k3d/share/shaders/k3d_volcube.sl:235:	    cur_density = active_volume(Pcur_obj,Vol_Mult,Vol_Offset);
k3d/share/shaders/k3d_volcube.sl:237:	    cur_density = get_density(Pcur_obj,Vol_Mult,Vol_Offset);
k3d/share/shaders/k3d_volcube.sl:245:		    normal Vol_Nf = calcGradeNorm(Pcur_obj,Vol_Mult,Vol_Offset,
k3d/share/shaders/k3d_volcube.sl:250:		get_shading(Pcur,Nf,V,Roughness,diff,spec);
k3d/share/shaders/k3d_volcube.sl:290:	    P = Pcur;           
k3d/share/shaders/k3d_volcube.sl:296:	Pcur_obj += step_obj;
k3d/share/shaders/k3d_volcube.sl:297:	Pcur += step_cur;
