private void InitializeVertexBuffer()
{
VertexBuffer = new VertexBuffer(VertexCount, IndexCount, VertexFormat.Float3, VertexFormat.Float2, VertexFormat.Float4);
VertexBuffer.SetVertices(0, Vertices);
VertexBuffer.SetVertices(1, TextureCoordinates);
VertexBuffer.SetVertices(2, VertexColors);
VertexBuffer.SetIndices(Indices);
}