Creating the first floor material for Codename Dungeon has been a hair pulling experience. I went into making the material with the thought that I could cheat a little. Some photo material could be used to help construct the shapes of the stones. Basically, I would find a photo, one that I could convert into a convincing normals map, and then I would make all the other maps. I wouldn't use the original photo for the color map, because that rarely looks good since the lighting in the photo often fights the lighting of the scene. So I went forward with that plan. Unfortunately, it didn't work out the way I wanted. I just couldn't get the normal map to look good enough. Two days of work went straight into the trash. So, a little dejected, I decided to take a more complicated approach to the material. I would model high polygon stones and bake the normals on to a plane. This workflow would take far longer, and had it's fair share of complications, not to mention I wasn't too excited about modeling high polygon rocks since I had recently modeled a ridiculous number of stone blocks. Here are the results thus far rendered in the Unreal Engine. So far, so good! Finally I have something to work with!
The material uses the baked normals map and also a greyscale height map to create the parallax bump effect. A color and roughness map are also included. In the end, the colors may change a little, but at this point, I'm pretty happy with the results. I plan on making a dirt material that has the same consistency as the dirt between the rocks. Then, I'll blend the two materials together using a vertex blend or some other fancy mapping. This will add some variety and a really cool worn out look. So what's next, you ask? The ceiling material. That should be a relatively easy endeavor, and then I'll put a full testing room together!
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AuthorI am Jacob Lubinski. Archives
February 2021
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