k3d/share/shaders/k3d_grids.sl:56:float G2L2_ss, G2L2_tt;
k3d/share/shaders/k3d_grids.sl:88:rotate2d(s, t, radians(G2L2_rotation), 0.5, 0.5, G2L2_ss, G2L2_tt);
k3d/share/shaders/k3d_grids.sl:90:G2L2_tt = repeat(G2L2_tt, G2L2_freq);
k3d/share/shaders/k3d_grids.sl:92:color G2L2_layer_opac = pulse(G2L2_linewidth, 1-G2L2_linewidth, G2L2_fuzz, G2L2_tt);
