void CCubeNotDXDlg::OnTimer(UINT nIDEvent)
{
   angle+=(3.1415926/180);
   if(angle>3.1415926*2) angle =0;

   Invalidate();
}

void CCubeNotDXDlg::OnPaint()
{
   CPaintDC dc(this); // device context for painting

   float nPoint = 1.0;

   Side[0].x1 = -nPoint;
   Side[0].y1 = nPoint;
   Side[0].z1 = -nPoint;

   Side[0].x2 = nPoint;
   Side[0].y2 = nPoint;
   Side[0].z2 = -nPoint;

   Side[0].x3 = nPoint;
   Side[0].y3 = -nPoint;
   Side[0].z3 = -nPoint;

   Side[0].x4 = -nPoint;
   Side[0].y4 = -nPoint;
   Side[0].z4 = -nPoint;

   Side[1].x1 = nPoint;
   Side[1].y1 = nPoint;
   Side[1].z1 = -nPoint;

   Side[1].x2 = nPoint;
   Side[1].y2 = nPoint;
   Side[1].z2 = nPoint;

   Side[1].x3 = nPoint;
   Side[1].y3 = -nPoint;
   Side[1].z3 = nPoint;

   Side[1].x4 = nPoint;
   Side[1].y4 = -nPoint;
   Side[1].z4 = -nPoint;

   Side[2].x1 = nPoint;
   Side[2].y1 = nPoint;
   Side[2].z1 = nPoint;

   Side[2].x2 = -nPoint;
   Side[2].y2 = nPoint;
   Side[2].z2 = nPoint;

   Side[2].x3 = -nPoint;
   Side[2].y3 = -nPoint;
   Side[2].z3 = nPoint;

   Side[2].x4 = nPoint;
   Side[2].y4 = -nPoint;
   Side[2].z4 = nPoint;

   Side[3].x1 = -nPoint;
   Side[3].y1 = nPoint;
   Side[3].z1 = nPoint;

   Side[3].x2 = -nPoint;
   Side[3].y2 = nPoint;
   Side[3].z2 = -nPoint;

   Side[3].x3 = -nPoint;
   Side[3].y3 = -nPoint;
   Side[3].z3 = -nPoint;

   Side[3].x4 = -nPoint;
   Side[3].y4 = -nPoint;
   Side[3].z4 = nPoint;

   Side[4].x1 = -nPoint;
   Side[4].y1 = nPoint;
   Side[4].z1 = nPoint;

   Side[4].x2 = nPoint;
   Side[4].y2 = nPoint;
   Side[4].z2 = nPoint;

   Side[4].x3 = nPoint;
   Side[4].y3 = nPoint;
   Side[4].z3 = -nPoint;

   Side[4].x4 = -nPoint;
   Side[4].y4 = nPoint;
   Side[4].z4 = -nPoint;

   Side[5].x1 = -nPoint;
   Side[5].y1 = -nPoint;
   Side[5].z1 = nPoint;

   Side[5].x2 = nPoint;
   Side[5].y2 = -nPoint;
   Side[5].z2 = nPoint;

   Side[5].x3 = nPoint;
   Side[5].y3 = -nPoint;
   Side[5].z3 = -nPoint;

   Side[5].x4 = -nPoint;
   Side[5].y4 = -nPoint;
   Side[5].z4 = -nPoint;

   for (int i = 0; i < 6; i++)
   {

      //поворачиваем вокруг Y
      Side[i].x1 = Side[i].x1 * cos(angle) + Side[i].y1 * 0 - Side[i].z1 * sin(angle);
      Side[i].z1 = Side[i].x1 * -sin(angle)+ Side[i].y1 * 0 - Side[i].z1 * cos(angle);

      Side[i].x2 = Side[i].x2 * cos(angle) + Side[i].y2 * 0 - Side[i].z2 * sin(angle);
      Side[i].z2 = Side[i].x2 * -sin(angle)+ Side[i].y2 * 0 - Side[i].z2 * cos(angle);

      Side[i].x3 = Side[i].x3 * cos(angle) + Side[i].y3 * 0 - Side[i].z3 * sin(angle);
      Side[i].z3 = Side[i].x3 * -sin(angle)+ Side[i].y3 * 0 - Side[i].z3 * cos(angle);

      Side[i].x4 = Side[i].x4 * cos(angle) + Side[i].y4 * 0 - Side[i].z4 * sin(angle);
      Side[i].z4 = Side[i].x4 * -sin(angle)+ Side[i].y4 * 0 - Side[i].z4 * cos(angle);


      
      //мировая трансформация

      Side[i].x1+=0;
      Side[i].y1+=0;
      Side[i].z1+=4;

      Side[i].x2+=0;
      Side[i].y2+=0;
      Side[i].z2+=4;

      Side[i].x3+=0;
      Side[i].y3+=0;
      Side[i].z3+=4;

      Side[i].x4+=0;
      Side[i].y4+=0;
      Side[i].z4+=4;

      //перспективная трансформация
   
      Side[i].x1 /= Side[i].z1;
      Side[i].y1 /= Side[i].z1;
      
      Side[i].x2 /= Side[i].z2;
      Side[i].y2 /= Side[i].z2;

      Side[i].x3 /= Side[i].z3;
      Side[i].y3 /= Side[i].z3;

      Side[i].x4 /= Side[i].z4;
      Side[i].y4 /= Side[i].z4;



      //экранная трансформация
      RECT rect;
      GetClientRect(&rect);
         
      Side[i].x1 = Side[i].x1 * rect.right/2 + rect.right/2;
      Side[i].y1 = (-Side[i].y1) * rect.bottom/2 + rect.bottom/2;

      Side[i].x2 = Side[i].x2 * rect.right/2 + rect.right/2;
      Side[i].y2 = (-Side[i].y2) * rect.bottom/2 + rect.bottom/2;

      Side[i].x3 = Side[i].x3 * rect.right/2 + rect.right/2;
      Side[i].y3 = (-Side[i].y3) * rect.bottom/2 + rect.bottom/2;

      Side[i].x4 = Side[i].x4 * rect.right/2 + rect.right/2;
      Side[i].y4 = (-Side[i].y4) * rect.bottom/2 + rect.bottom/2;
      
      CPen penBlue;

      penBlue.CreatePen(PS_SOLID, 3, RGB(0, 0, 255));

      CPen* ppenOld;
      ppenOld=dc.SelectObject(&penBlue);

      dc.MoveTo(Side[i].x1, Side[i].y1);
      
      dc.LineTo(Side[i].x2, Side[i].y2);
      dc.LineTo(Side[i].x3, Side[i].y3);
      dc.LineTo(Side[i].x4, Side[i].y4);
      dc.LineTo(Side[i].x1, Side[i].y1);

      dc.SelectObject(ppenOld);
   }
   if (IsIconic())
   {
      ...................      
   }
   else
   {
      CDialog::OnPaint();
   }
}

Temp[0].y1 = Side[i].y1;
Temp[0].z1 = Side[i].z1;

Temp[0].y2 = Side[i].y2;
Temp[0].z2 = Side[i].z2;

Temp[0].y3 = Side[i].y3;
Temp[0].z3 = Side[i].z3;

Temp[0].y4 = Side[i].y4;
Temp[0].z4 = Side[i].z4;
      

//вращение по X при помощи матриц
Side[i].y1 = Temp[0].y1 * cos(angle)  + Temp[0].z1 * -sin(angle);
Side[i].z1 = Temp[0].y1 * sin(angle)+ Temp[0].z1 * cos(angle);

Side[i].y2 = Temp[0].y2 * cos(angle) + Temp[0].z2 * -sin(angle);
Side[i].z2 = Temp[0].y2 * sin(angle)+ Temp[0].z2 * cos(angle);

Side[i].y3 = Temp[0].y3 * cos(angle) + Temp[0].z3 * -sin(angle);
Side[i].z3 = Temp[0].y3 * sin(angle)+ Temp[0].z3 * cos(angle);

Side[i].y4 = Temp[0].y4 * cos(angle) + Temp[0].z4 * -sin(angle);
Side[i].z4 = Temp[0].y4 * sin(angle)+ Temp[0].z4 * cos(angle);