using OpenTK.Mathematics; using OpenTK.Windowing.Desktop; using System; namespace TheLabs { public static class Program { public static void Main() { var nativeWindowSettings = new NativeWindowSettings { Size = new Vector2i(1920, 1080), Title = "My OpenTK Example Program" }; MyVector myVector = new MyVector(30, 40, 0); Console.WriteLine(myVector.Magnitude()); using (var window = new MyExampleWindow(GameWindowSettings.Default, nativeWindowSettings)) { window.Run(); } } } }