MonthMay 2016

Procedural Wood Shaders in Cycles: Red Oak Finale

If you haven’t been following along, I recommend starting with part 1 and working through the parts. We’re going to pick up where we left off with the last post, and really take this wood up a level.  Part 1 is here: Procedural Wood Shaders in Cycles, the Beginning Before we start, disconnect the Displacement output of the Diffuse BSDF node; it’s distracting as we work on the wood pattern. Ok, the first thing we’ll add is a nice control for tweaking the intensity of the grain. Zoom in on the ‘Grain’ frame, and add a Math node. Set it […]

A Slight Diversion: Cleanup

It occurred to me that as our shader gets more complicated, we haven’t really been doing anything to make it neater. I’d like to take a few moments to clean it up a bit before we go any farther. As you make your own shaders this is a good habit, especially if you want to share them with others. We should’ve done this in the first post, but the first step is to name our material! It’s still “Material” and that’s a terrible name. So, first, rename it to “RedOak” or something similar (“red_oak”, “oak_wood_red”, etc.). I tend to name […]

Procedural Wood Shaders in Cycles, Part 4: Rays

If you haven’t read parts 1, 2, and 3, you ought to read them to get context on where we are on the wood journey! Last time we changed the grain pattern to match the little holes that run through the length of the wood. This time we’re going to add another important feature of wood, called “rays.” Rays help the tree to carry sap from the center to the outside of the trunk. In the picture we looked at last time, the rays are the vertical lines: And looking at a piece of red oak, the ends of the […]

Procedural Wood Shaders In Cycles, Part 3

Ok, if you’ve followed the last two posts, we have a start on a wood shader, but it’s not there yet. Check out the first two parts if you haven’t yet: Procedural Wood Shaders in Cycles, the Beginning. Procedural Wood Shaders in Cycles, part 2 To make it better, we have to look at some real wood. For this example I’m looking at red oak. The grain in red oak is actually tiny little tubes that run down the length of the trunk. In fact, you can blow air THROUGH the grain of oak with an air compressor! This is […]

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