Opentk/Source/Examples/OpenTK/GameWindow/SimpleWindow.cs

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#region --- License ---
/* Copyright (c) 2006, 2007 Stefanos Apostolopoulos
* See license.txt for license info
*/
#endregion
using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using System.Diagnostics;
using OpenTK;
using OpenTK.Graphics;
using OpenTK.Input;
namespace Examples.Tutorial
{
/// <summary>
/// Demonstrates the GameWindow class.
/// </summary>
[Example("Simple Window", ExampleCategory.OpenTK, "GameWindow", Documentation="SimpleWindow")]
public class SimpleWindow : GameWindow
{
public SimpleWindow() : base(800, 600)
{
Keyboard.KeyDown += new OpenTK.Input.KeyDownEvent(Keyboard_KeyDown);
}
#region Keyboard_KeyDown
/// <summary>
/// Occurs when a key is pressed.
/// </summary>
/// <param name="sender">The KeyboardDevice which generated this event.</param>
/// <param name="key">The key that was pressed.</param>
void Keyboard_KeyDown(KeyboardDevice sender, Key key)
{
if (sender[Key.Escape])
this.Exit();
if ((sender[Key.AltLeft] || sender[Key.AltRight]) && (sender[Key.Enter] || sender[Key.KeypadEnter]))
if (this.WindowState == WindowState.Fullscreen)
this.WindowState = WindowState.Normal;
else
this.WindowState = WindowState.Fullscreen;
}
#endregion
#region OnLoad
/// <summary>
/// Setup OpenGL and load resources here.
/// </summary>
/// <param name="e">Not used.</param>
public override void OnLoad(EventArgs e)
{
GL.ClearColor(Color.MidnightBlue);
}
#endregion
#region OnResize
/// <summary>
/// Respond to resize events here.
/// </summary>
/// <param name="e">Contains information on the new GameWindow size.</param>
/// <remarks>There is no need to call the base implementation.</remarks>
protected override void OnResize(OpenTK.Platform.ResizeEventArgs e)
{
GL.Viewport(0, 0, Width, Height);
GL.MatrixMode(MatrixMode.Projection);
GL.LoadIdentity();
GL.Ortho(-1.0, 1.0, -1.0, 1.0, 0.0, 4.0);
base.OnResize(e);
}
#endregion
#region OnUpdateFrame
/// <summary>
/// Add your game logic here.
/// </summary>
/// <param name="e">Contains timing information.</param>
/// <remarks>There is no need to call the base implementation.</remarks>
public override void OnUpdateFrame(UpdateFrameEventArgs e)
{
// Nothing to do!
}
#endregion
#region OnRenderFrame
/// <summary>
/// Add your game rendering code here.
/// </summary>
/// <param name="e">Contains timing information.</param>
/// <remarks>There is no need to call the base implementation.</remarks>
public override void OnRenderFrame(RenderFrameEventArgs e)
{
GL.Clear(ClearBufferMask.ColorBufferBit);
GL.Begin(BeginMode.Triangles);
GL.Color3(Color.MidnightBlue);
GL.Vertex2(-1.0f, 1.0f);
GL.Color3(Color.SpringGreen);
GL.Vertex2(0.0f, -1.0f);
GL.Color3(Color.Ivory);
GL.Vertex2(1.0f, 1.0f);
GL.End();
this.SwapBuffers();
}
#endregion
#region public static void Main()
/// <summary>
/// Entry point of this example.
/// </summary>
[STAThread]
public static void Main()
{
using (SimpleWindow example = new SimpleWindow())
{
// Get the title and category of this example using reflection.
Utilities.SetWindowTitle(example);
example.Run(30.0, 0.0);
}
}
#endregion
}
}