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。

 /// <summary>
     /// The main form class.
     /// </summary>
     public partial class SharpGLForm : Form
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="SharpGLForm"/> class.
         /// </summary>
         public SharpGLForm()
         {
             InitializeComponent();
         }

         /// <summary>
         /// Handles the OpenGLDraw event of the openGLControl control.
         /// </summary>
         /// <param name="sender">The source of the event.</param>
         /// <param name="e">The <see cref="System.Windows.Forms.PaintEventArgs"/> instance containing the event data.</param>
         private void openGLControl_OpenGLDraw(object sender, PaintEventArgs e)
         {
             //  Get the OpenGL object.
             OpenGL gl = openGLControl.OpenGL;

             //  Clear the color and depth buffer.
             gl.Clear(OpenGL.GL_COLOR_BUFFER_BIT | OpenGL.GL_DEPTH_BUFFER_BIT);

             //  Load the identity matrix.
             gl.LoadIdentity();

             //  Rotate around the Y axis.
             gl.Rotate(rotation, 0.0f, 1.0f, 0.0f);

             //  Draw a coloured pyramid.
             gl.Begin(OpenGL.GL_TRIANGLES);
             gl.Color(1.0f, 0.0f, 0.0f);
             gl.Vertex(0.0f, 1.0f, 0.0f);
             gl.Color(0.0f, 1.0f, 0.0f);
             gl.Vertex(-1.0f, -1.0f, 1.0f);
             gl.Color(0.0f, 0.0f, 1.0f);
             gl.Vertex(1.0f, -1.0f, 1.0f);
             gl.Color(1.0f, 0.0f, 0.0f);
             gl.Vertex(0.0f, 1.0f, 0.0f);
             gl.Color(0.0f, 0.0f, 1.0f);
             gl.Vertex(1.0f, -1.0f, 1.0f);
             gl.Color(0.0f, 1.0f, 0.0f);
             gl.Vertex(1.0f, -1.0f, -1.0f);
             gl.Color(1.0f, 0.0f, 0.0f);
             gl.Vertex(0.0f, 1.0f, 0.0f);
             gl.Color(0.0f, 1.0f, 0.0f);
             gl.Vertex(1.0f, -1.0f, -1.0f);
             gl.Color(0.0f, 0.0f, 1.0f);
             gl.Vertex(-1.0f, -1.0f, -1.0f);
             gl.Color(1.0f, 0.0f, 0.0f);
             gl.Vertex(0.0f, 1.0f, 0.0f);
             gl.Color(0.0f, 0.0f, 1.0f);
             gl.Vertex(-1.0f, -1.0f, -1.0f);
             gl.Color(0.0f, 1.0f, 0.0f);
             gl.Vertex(-1.0f, -1.0f, 1.0f);
             gl.End();

             //  Nudge the rotation.
             rotation += 3.0f;
         }

         /// <summary>
         /// Handles the OpenGLInitialized event of the openGLControl control.
         /// </summary>
         /// <param name="sender">The source of the event.</param>
         /// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
         private void openGLControl_OpenGLInitialized(object sender, EventArgs e)
         {
             //  TODO: Initialise OpenGL here.

             //  Get the OpenGL object.
             OpenGL gl = openGLControl.OpenGL;

             //  Set the clear color.
             gl.ClearColor(, , , );
         }

         /// <summary>
         /// Handles the Resized event of the openGLControl control.
         /// </summary>
         /// <param name="sender">The source of the event.</param>
         /// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
         private void openGLControl_Resized(object sender, EventArgs e)
         {
             //  TODO: Set the projection matrix here.

             //  Get the OpenGL object.
             OpenGL gl = openGLControl.OpenGL;

             //  Set the projection matrix.
             gl.MatrixMode(OpenGL.GL_PROJECTION);

             //  Load the identity.
             gl.LoadIdentity();

             //  Create a perspective transformation.
             gl.Perspective(60.0f, (double)Width / (double)Height, 0.01, 100.0);

             //  Use the 'look at' helper function to position and aim the camera.
             gl.LookAt(-, , -, , , , , , );

             //  Set the modelview matrix.
             gl.MatrixMode(OpenGL.GL_MODELVIEW);
         }

         /// <summary>
         /// The current rotation.
         /// </summary>
         private float rotation = 0.0f;
     }