k3d/share/shaders/k3d_shiftedmoontile.sl:14: *	eclipseCenter - Center of obscuring disk
k3d/share/shaders/k3d_shiftedmoontile.sl:53:	uniform point eclipseCenter = point "current" (0.6, 0.5, 0);
k3d/share/shaders/k3d_shiftedmoontile.sl:80:	d2 = distance (eclipseCenter, (ss, tt, 0));
