在此记录一下SharpGL最初创建的程序

在此记录一下SharpGL最初创建的程序。完整工程在此。
  1 /// <summary>
  2     /// The main form class.
  3     /// </summary>
  4     public partial class SharpGLForm : Form
  5     {
  6         /// <summary>
  7         /// Initializes a new instance of the <see cref="SharpGLForm"/> class.
  8         /// </summary>
  9         public SharpGLForm()
 10         {
 11             InitializeComponent();
 12         }
 13 
 14         /// <summary>
 15         /// Handles the OpenGLDraw event of the openGLControl control.
 16         /// </summary>
 17         /// <param name="sender">The source of the event.</param>
 18         /// <param name="e">The <see cref="System.Windows.Forms.PaintEventArgs"/> instance containing the event data.</param>
 19         private void openGLControl_OpenGLDraw(object sender, PaintEventArgs e)
 20         {
 21             //  Get the OpenGL object.
 22             OpenGL gl = openGLControl.OpenGL;
 23 
 24             //  Clear the color and depth buffer.
 25             gl.Clear(OpenGL.GL_COLOR_BUFFER_BIT | OpenGL.GL_DEPTH_BUFFER_BIT);
 26 
 27             //  Load the identity matrix.
 28             gl.LoadIdentity();
 29 
 30             //  Rotate around the Y axis.
 31             gl.Rotate(rotation, 0.0f, 1.0f, 0.0f);
 32 
 33             //  Draw a coloured pyramid.
 34             gl.Begin(OpenGL.GL_TRIANGLES);
 35             gl.Color(1.0f, 0.0f, 0.0f);
 36             gl.Vertex(0.0f, 1.0f, 0.0f);
 37             gl.Color(0.0f, 1.0f, 0.0f);
 38             gl.Vertex(-1.0f, -1.0f, 1.0f);
 39             gl.Color(0.0f, 0.0f, 1.0f);
 40             gl.Vertex(1.0f, -1.0f, 1.0f);
 41             gl.Color(1.0f, 0.0f, 0.0f);
 42             gl.Vertex(0.0f, 1.0f, 0.0f);
 43             gl.Color(0.0f, 0.0f, 1.0f);
 44             gl.Vertex(1.0f, -1.0f, 1.0f);
 45             gl.Color(0.0f, 1.0f, 0.0f);
 46             gl.Vertex(1.0f, -1.0f, -1.0f);
 47             gl.Color(1.0f, 0.0f, 0.0f);
 48             gl.Vertex(0.0f, 1.0f, 0.0f);
 49             gl.Color(0.0f, 1.0f, 0.0f);
 50             gl.Vertex(1.0f, -1.0f, -1.0f);
 51             gl.Color(0.0f, 0.0f, 1.0f);
 52             gl.Vertex(-1.0f, -1.0f, -1.0f);
 53             gl.Color(1.0f, 0.0f, 0.0f);
 54             gl.Vertex(0.0f, 1.0f, 0.0f);
 55             gl.Color(0.0f, 0.0f, 1.0f);
 56             gl.Vertex(-1.0f, -1.0f, -1.0f);
 57             gl.Color(0.0f, 1.0f, 0.0f);
 58             gl.Vertex(-1.0f, -1.0f, 1.0f);
 59             gl.End();
 60 
 61             //  Nudge the rotation.
 62             rotation += 3.0f;
 63         }
 64 
 65 
 66 
 67         /// <summary>
 68         /// Handles the OpenGLInitialized event of the openGLControl control.
 69         /// </summary>
 70         /// <param name="sender">The source of the event.</param>
 71         /// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
 72         private void openGLControl_OpenGLInitialized(object sender, EventArgs e)
 73         {
 74             //  TODO: Initialise OpenGL here.
 75 
 76             //  Get the OpenGL object.
 77             OpenGL gl = openGLControl.OpenGL;
 78 
 79             //  Set the clear color.
 80             gl.ClearColor(0, 0, 0, 0);
 81         }
 82 
 83         /// <summary>
 84         /// Handles the Resized event of the openGLControl control.
 85         /// </summary>
 86         /// <param name="sender">The source of the event.</param>
 87         /// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
 88         private void openGLControl_Resized(object sender, EventArgs e)
 89         {
 90             //  TODO: Set the projection matrix here.
 91 
 92             //  Get the OpenGL object.
 93             OpenGL gl = openGLControl.OpenGL;
 94 
 95             //  Set the projection matrix.
 96             gl.MatrixMode(OpenGL.GL_PROJECTION);
 97 
 98             //  Load the identity.
 99             gl.LoadIdentity();
100 
101             //  Create a perspective transformation.
102             gl.Perspective(60.0f, (double)Width / (double)Height, 0.01, 100.0);
103 
104             //  Use the 'look at' helper function to position and aim the camera.
105             gl.LookAt(-5, 5, -5, 0, 0, 0, 0, 1, 0);
106 
107             //  Set the modelview matrix.
108             gl.MatrixMode(OpenGL.GL_MODELVIEW);
109         }
110 
111         /// <summary>
112         /// The current rotation.
113         /// </summary>
114         private float rotation = 0.0f;
115     }