public void Update(ColorMeshBuilder builder)
        {
            float[] vertices, colors, normals;
            uint[]  indexes;
            builder.Finalize(out vertices, out colors, out normals, out indexes);

            Update(vertices, indexes, colors, normals);
        }
 public ColorMesh(BufferUsageHint usageHint, ColorMeshBuilder builder)
     : base(usageHint, 3)
 {
     CreateBuffers();
     Update(builder);
 }