k3d/share/shaders/k3d_eyeball.sl:14: *   eyeballcolor - color of the white part of the eyeball
k3d/share/shaders/k3d_eyeball.sl:51:	 color eyeballcolor = color(1,1,1);
k3d/share/shaders/k3d_eyeball.sl:103:      Cball = mix (eyeballcolor, bloodcolor, smoothstep(0,.75,displayed));
k3d/share/shaders/k3d_eyeball.sl:105:  else Cball = eyeballcolor;
