k3d/share/shaders/k3d_eyeball.sl:65:  float i, turb, newturb, freq, f2;
k3d/share/shaders/k3d_eyeball.sl:97:	  newturb = 1 - abs (snoise(PO*freq + point(0,0,20*freq)));
k3d/share/shaders/k3d_eyeball.sl:98:	  newdisp = pow (smoothstep (.85, 1, newturb), 10);
k3d/share/shaders/k3d_eyeball.sl:100:	  turb *= newturb;
