private void CreateTriangles()
    {
        for (int z = 0; z < vertices.Length - Width * 5; z++)
        {
            triangles.Add(z);
            triangles.Add(z + Width + 1);
            triangles.Add(z + 1);
            triangles.Add(z + 1);
            triangles.Add(z + Width + 1);
            triangles.Add(z + Width + 2);
        }
    }

    private void AddVertex(int x, int y, int z)
    {
        Vector3 v = new Vector3(x, y, z) * 2f / Width - Vector3.one;
        ve++;

        normals[ve] = v.normalized;
        vertices[ve] = v.normalized * Radius;
    }

    private IEnumerator GenerateTerrain()
    {
        vertices = new Vector3[(Width + 2) * (Width + 2) * 6];
        normals = new Vector3[(Width + 2) * (Width + 2) * 6];
        triangles = new List<int>(vertices.Length * 6);

        Mesh mesh = mf.mesh = new Mesh();
        //-Z
        for (int x = 0; x <= Width; x++)
        {
            for (int y = 0; y <= Width; y++)
            {
                AddVertex(y, x, 0);
            }
        }
        //+X
        for (int y = 0; y <= Width; y++)
        {
            for (int z = 0; z <= Width; z++)
            {
                AddVertex(Width, y, z);
            }
        }
        //+Z
        for (int x = Width; x >= 0; x--)
        {
            for (int y = 0; y <= Width; y++)
            {
                AddVertex(y, x, Width);
            }
        }
        //-X
        for (int z = Width; z >= 0; z--)
        {
            for (int y = 0; y <= Width; y++)
            {
                AddVertex(0, z, y);
            }
        }
        //+Y
        for (int z = 0; z <= Width; z++)
        {
            for (int x = 0; x <= Width; x++)
            {
                AddVertex(x, Width, z);
            }
        }
        //-Y
        for (int z = 0; z <= Width; z++)
        {
            for (int x = 0; x <= Width; x++)
            {
                AddVertex(z, 0, x);
            }
        }
        yield return null;
        CreateTriangles();

        mesh.vertices = vertices;
        mesh.triangles = triangles.ToArray();
        mesh.normals = normals;
        mesh.RecalculateBounds();
        mesh.RecalculateNormals();
        mesh.Optimize();
    }