[Unity] Vertex painting shader.

Xguanabana

Hi,

for the last, what, 2 months?, I've been looking for an efficient way to texture this and lots of buildings.

Where i live, these kind of color stripe buildings are common, so i need a way to reproduce this

So i stumbled upon this great post.

Until then, i didn't knew vertex colors, or what they where useful for, i don't have previous experience in writing shaders, so i use shadergraph.

For this, i use a texture array that gets its index from vertex color multiplied by the max texture number, which is 16.

It gets blended with a lerp function, then multiplied with a color node, the comparison node, checks vertex color and if its less than ColorRange, then it multiplies.

The problem is it doesn't blend properly, i also tried multiplying before the lerp(ceiling, floor, and both samplers at the same time), hoping the colored texture blends properly, but no luck, the result looks like this:

I need help, i'm very frustrated to be honest, and it doesn't seem to be a way out of this, if you know a better approach to this, i'm all ears .

Sorry for English.

Eric Chadwick

Why not just model the color edge into the geometry of the buildings? That would be much simpler than the shader. Plus the shader is likely to render much more slowly.

Xguanabana

Wouldn't it be wasteful to have the same texture but with different color or you mean to have the color geometry to be its own material with a color multiplier?

Thank you.

Eric Chadwick

The second option is probably best. Then you can reuse shader and textures, just make a new material for different wall colors.