All posts tagged “material

A Procedural Polka Dot Shader with Analytic Normals

Today we’ll build a procedural shader that produces a polka dot pattern. While this is quite informative, as we learn how to tile the uv space, the interesting part is creating the normal map. We want to use the implicit sphere equation to derive z […]

Modeling and Rendering a Quartz Crystal in Houdini 16

When testing out a new render engine (or any tool that can do rendering), one of the typical objects I try to get a decent image of is a quartz crystal. In order to get that right, a rendering needs to contain effects such as […]