[Sidefx-houdini-list] translucent backlit surface
larry at gcreativestudios.com
Thu Mar 3 16:56:29 EST 2016
I’ve used a technique in the past to create a backlit glass or plastic surface.
Similar to the buttons on the old Simon game … or a lit traffic light or light table.
I was able to “reverse” a flat surface with the primitive SOP.
Then, in a regular mantra material node, I could simply pipe a “negate” node
into the “I” input of the “surfaceModel” node.
If I then placed a point light behind the surface I would get the backlit effect.
This still works for me if I go back to H13.
But in H14 or H15 I only get a solid black or dark grey surface.
I’m assuming something has changed within the basic operation of the shader or mantra.
I’m hoping I can fairly easily recreate this effect in H15. But I’m coming up short so far.
If anyone has any suggestions I’d greatly appreciated the input.
G Creative Studios
More information about the Sidefx-houdini-list