Upside-down refraction without using ray tracing?

Kligan
Mon, 30 Jan 2023 19:26:06 +0000
Rendering

Is it possible?

A glass sphere should refract things upside-down, like this:

Simply inputting negative value into IOR doesn’t work. It looks like this:

Is there a trick to make refraction upside-down without enabling raytracing?

4 posts - 2 participants