public void FBOInitializeView(bool perspectiveProjection, float z)
{
double height = Math.Max(this.Height, 1);
double width = Math.Max(this.Width, 1);
GL.Viewport(0, 0, (int)width, (int)height);
double aspectRatio = width / height;
GL.MatrixMode(MatrixMode.Projection); // Select The Projection Matrix
GL.LoadIdentity(); // Reset The Projection Matrix
var ratio = this.Width / (double)this.Height;
if (perspectiveProjection)
{
Glu.Perspective(45, ratio, .01, 1000.0);
}
else
{
double size = z * -.4;
GL.Ortho(-ratio * size, ratio * size, -size, size, -100, 100);
}
GL.MatrixMode(MatrixMode.Modelview); // Select The Modelview Matrix
GL.LoadIdentity(); // Reset The Modelview Matrix
}
