public Matrix4 Projection()
{
float aspect = (float)Viewport.Width / Viewport.Height;
if (float.IsInfinity(aspect) || aspect < 0)
{
aspect = 1f;
}
if (Near == 0f)
{
Near = 0.01f;
}
if (Far == 0f)
{
Far = 1000f;
}
return(Matrix4.CreatePerspectiveFieldOfView(GLHelper.DegRad(FieldOfView), aspect, Near, Far));
}