Uv Mapping Unity

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I want to create a game with a Minecraft style world. Now I need uv mapping for some cubes in my game. But I could not find any good tutorial in the internet. I want to use the following texture with an uv map:

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Each side of the cube has a texture with 64x64 pixels. The dirt texture on the right side has to be the top of the cube.Can anyone tell me how to use uv mapping in my case?

David RotertDavid Rotert
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1 Answer

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Unity Uv Mapping Script

Unity

I want to map a 2D Texture onto a procedurally generated plane, using vertex local position, in Unity. This is the code: Shader 'Custom/planeTest' Properties MainTex('Albedo (RGB)', 2D) = '. The UV coordinates go from 0 to 1, and the index in the uv array corresponds the the vertex with the matching index in the vertices array. This Unity Answers post may prove useful. It lists the vertices in Unity's cube primitive. Known as the most tedious task in 3D, especially for beginners, UV mapping is also the glue that binds models, bakes and textures together. It's a crucial task, too, as a bad set of UVs and their resulting output can make even the best 3D models look awful. Whether you love or hate UVs, there's no. I know that I can modify UV mapping in script by modifying mesh.uv. However, how can I do it in Shader? The gray part in the screenshot is transparent. In my shader, I want to slice this texture into 9 pieces, and only render one of them each time under certain conditions. In script, for each rectangle, i can do mesh.uv = Vector2 topLeftCellUV.

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You can specify UV coordinates in Unity: https://docs.unity3d.com/ScriptReference/Mesh-uv.html

The UV coordinates go from 0 to 1, and the index in the uv array corresponds the the vertex with the matching index in the vertices array. This Unity Answers post may prove useful. It lists the vertices in Unity's cube primitive. The top face is first in the vertices, so you would map the uvs of the top face in the first four indices of the uv array like this:

Uv Mapping Unity

I'll leave it to you to figure out the rest of the faces. Of course, assigning the uvs in a script would be more ideal only if you are generating content at runtime, so making your own mesh in a program like blender would be more ideal .. or you could make a script that runs in the Editor to create a new mesh for you based on the cube primitive. You can do this using the AssetDatabase interface.

Uv Mapping Unity Games

tyjkenntyjkenn
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Unity Mesh Uv

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