问如何将UV位置转换为纹理地图集，并在统一中重新应用于UV

EN

   void UpdateMesh()
   {
       UVList.Clear();
       Mesh mesh = this.GetComponent<MeshFilter>().mesh;
       for (int i = 0; i < mesh.uv.Length; i++)
       {
           UVList.Add(GetUVTextureFromAtlas(mesh.uv[i].x, mesh.uv[i].y, voxelType);
       }
      mesh.uv = UVList.ToArray();
   }
  //converts UV position expected from mesh model to position on texture atlas
  Vector2 GetUVTextureFromAtlas(float x, float y, int voxelType)
  {
        Vector2 uv;
        Vector2 textureAtlasPos = GetTextureOffset(voxelType); // returns texture pos from atlas

      //not exactly sure what this would look like for code to convert 
      //from the position on the atlas to the expected UV position based on
      //expected UV position (i.e. from 1,0 to whereever the texture is on the atlas)

        return uv;
  }