private void Generate()
    {
        GetComponent<MeshFilter>().mesh = mesh = new Mesh();
        mesh.name = "Procedural Grid";

        vertices = new Vector3[(xSize + 1) * (ySize + 1)];
        Vector2[] uv = new Vector2[vertices.Length];
        float multX = 1 / (float)xSize;
        float multY = 1 / (float)ySize;

        for (int i = 0, y = 0; y <= ySize; y++)
        {
            for (int x = 0; x <= xSize; x++, i++)
            {
                //vertices[i] = new Vector3(x, y);
                var xNormalized = x * multX;
                var yNormalized = y * multY;
                vertices[i] = new Vector3(xNormalized, yNormalized);
                uv[i] = new Vector2(xNormalized, yNormalized);
            }
        }
        mesh.vertices = vertices;
        mesh.uv = uv;

        var triangles = new int[xSize * ySize * 6];
        for (int ti = 0, vi = 0, y = 0; y < ySize; y++, vi++)
        {
            for (int x = 0; x < xSize; x++, ti += 6, vi++)
            {
                triangles[ti] = vi;
                triangles[ti + 3] = triangles[ti + 2] = vi + 1;
                triangles[ti + 4] = triangles[ti + 1] = vi + xSize + 1;
                triangles[ti + 5] = vi + xSize + 2;
            }
        }
        mesh.triangles = triangles;
        mesh.RecalculateNormals();
    }