k3d/share/shaders/k3d_grids.sl:54:float G1L2_ss, G1L2_tt;
k3d/share/shaders/k3d_grids.sl:69:rotate2d(s, t, radians(G1L2_rotation), 0.5, 0.5, G1L2_ss, G1L2_tt);
k3d/share/shaders/k3d_grids.sl:71:G1L2_tt = repeat(G1L2_tt, G1L2_freq);
k3d/share/shaders/k3d_grids.sl:73:color G1L2_layer_opac = pulse(G1L2_linewidth, 1-G1L2_linewidth, G1L2_fuzz, G1L2_tt);
