Game mesh texturing: seamless platform surface

2met7cen

Hi! I’m looking for advice on implementing a game asset like this. It’s a platform made up of several objects placed tightly next to each other, forming a single surface. I’m interested in methods to texture-paint such an object as shown in the screenshot. I want to achieve a seamless surface — say grass, a meadow, or anything — so that there are no visible seams on the platform surface. At the same time, I’d like to have decent blending of textures on the sides of the object, for example stone, so that when the objects are separated, the texture transition looks smooth and natural. I plan to use Stylized PBR textures (Diffuse, Normal, Roughness) for this asset. Could you please share your experience and recommendations when creating such assets? How would you approach UV unwrapping the model? Would you consider creating a custom shader for this object? Any useful tips or insights are very welcome.

Eric Chadwick

Lots of ways to do this. Simplest approach:

UV them while they are placed together, with a top planar projection, and use a tiled grass texture for the top faces. 

Edit the top vertex normals of all the pieces to face the same direction, so there are no shading seams when they’re placed together.

UV the sides with a tiled rock texture, which has a grass-colored upper edge.