using System;
using System.Collections.Generic;
using System.Drawing;
using System.Windows.Forms;

namespace alpha_engine_1
{
  /// <summary>
  /// Description of MainForm.
  /// </summary>
  public partial class MainForm : Form
  {
   bool GL_Loaded = false;
   double fov, fovTan, aspect;
   double[,] corners = new double[8,3] {{-1,-1,-1},{-1,-1,1,},{-1,1,-1},{-1,1,1,},{1,-1,-1},{1,-1,1},{1,1,-1},{1,1,1}};
   int[] [] faces = new int[2][] {{new int[] {1,3,7,5}, new int[] {0,4,6,2}, new int[] {0,2,3,1}, new int[] {4,5,7,6}, new int[] {2,6,7,3}, new int[] {0,1,5,4}};
   public MainForm()
   {
    //
    // The InitializeComponent() call is required for Windows Forms designer support.
    //
    InitializeComponent();
     
    //
    // TODO: Add constructor code after the InitializeComponent() call.
    //
    Timer timer1 = new Timer();
    timer1.Interval = 20;
    timer1.Tick += new EventHandler(timer1_Tick);
    timer1.Start();
   }
    
   void GlControl1Load(object sender, EventArgs e)
   {
    GL_Loaded = true;
    SetupViewport();
    GL.ClearColor(Color.FormArgb(0,0,0));
   }
   private void SetupViewport()
   {
    int w = glControl1.Width;
    int h = glControl1.Height;
    aspect = w / h;
    fow = Math.PI * 0.25;
    fow = Math.Tan(fow * 0.5);
    Matrix4 perspective = Matrix4.CreatePerspectiveFaild0fVeiw(Convert.ToSingle(fow), Convert.ToSingle(aspect), 10.0f, 5000.0f);
    GL.MatrixMode(MatrixMode.Projection);
    GL.LoadIdentity();
    GL.LoadMatrix(ref perspective);
    GL.ViewPort(0, 0, w, h);
   }
   private void timer1_Tick(object sender, EventArgs e)
   {
     
   }
  }
}