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Sculpting a Rock Formation.

4/23/2019

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Decisions, decisions, decisions. 

I liked the way the cave was looking when using the tiled textures and vertex paint, but for sake of argument I decided to go ahead and model a rock in high poly and bake on to the low polygon version.  At this point I'm still pretty torn on how to proceed. Both methods have pros and cons. 

High poly bake pros:
  • Lighting accuracy. 
  • More control over details. 
  • Accurate mapping over geometry. Wear and dirt can be put exactly where they'd be making rocks more convincing. 
  • Impressive rock structures. Limited by imagination and sculpting talent. 
High poly bake cons:
  • More maps. Each model has specific maps to each model. If you want to keep it seamless and looking good. 
  • Less texture resolution. A 2048 color map stretched over a larger model will result in a more blurry texture. 4096 and other tricks can be used but it's tricky.  
  • Takes more time. Sculpting, baking, uv mapping, making a specific material, and fixing seams all add up. 

Blended tiled textures pros:
  • Fast. Impressive results in a fraction of the time once materials are set up.
  • Seamless for main cave structure.  
  • Blending multiple maps creates good variety. 
  • Good texture resolution. Tiling factor can be raised or lowered.
Blended tiled textures cons:
  • Mapping over geometry. The big one. Basically the maps wont fit perfectly over the mesh. This can be faked by adding more geometry and adjusting the geometry to fit the textures, but this method is imperfect. 
  • Less possible variety unless using too many polygons. You could make an impressive pillar with this method, but in order for it to compete with the other method you'd have to use more geometry. 

You can see the results of my modeled rock formation below. I also made a crystal, crystal material, and puddle decal too. 

Picture
Rock Formation
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    I am Jacob Lubinski.
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    For the past 13 years or so, my passion has been creating graphics and scripting for games.  Nothing excites me more than seeing a creation come to life.

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