In this recipe, we will make a snowy mountain landscape by re-using already made shaders, precisely the Rock_procedural and the Snow materials. We will improve these materials by grouping them and exposing the useful values; we will then create a new group node working as a stencil to arrange the snow in a more natural-looking manner on the rocks, as shown here:
As usual, let's start with the preparation of the scene, even if in this case we start with an almost readymade blend file:
Start Blender and open the
1301OS_05_rocksnow_start.blend
file, where there is a scene with a placed camera, a simply modeled mountain, and a plane already set as emitter.Select the Mountain object, go to the Object Modifiers window and assign a Subdivision Surface modifier. Set the levels for both for View and Render to
2
.Assign a second Subdivision Surface modifier with the same settings simply by clicking on the Copy button of the first one.
Assign...