#pragma once
#define _USE_MATH_DEFINES
#include <math.h>

namespace Dudnienie 
{
  ...
  ...
  ... 

#pragma endregion

  double A1,A2,W1,W2,F1,F2;
  static double Xp=-1.0, Xk=1.0, Yp=-1.0, Yk=1.0;
  int ex( double x) { return int((x-Xp)/(Xk-Xp)*pictureBox1->Width);  }
  int ey( double y) { return int((Yk-y)/(Yk-Yp)*pictureBox1->Height); }
  double rzx( double x) { return Xp+(Xk-Xp)*x/pictureBox1->Width;  }
  double rzy( double y) { return Yk-(Yk-Yp)*y/pictureBox1->Height; }
  // --------------------------------------------------------------------------
  private: System::Void Form1_Load(System::Object^  sender, System::EventArgs^  e)
  {
    A1=1.0;      A2=1.0;
    W1=9.1;      W2=9.8;
    F1=0.0;      F2=0.0;
    panelSin1->BackColor=Color::Blue;
    panelSin2->BackColor=Color::Green;
    panelSin12->BackColor=Color::Red;
    textBox_Leave(sender,e);
  }
  // --------------------------------------------------------------------------
  private: System::Void hScrollBar_Scroll(System::Object^  sender, System::Windows::Forms::ScrollEventArgs^  e)
  {
    A1=0.01*hScrollBarA1->Value;
    A2=0.01*hScrollBarA2->Value;
    W1=0.1*hScrollBarW1->Value;
    W2=0.1*hScrollBarW2->Value;
    F1=hScrollBarF1->Value*M_PI/180.0;
    F2=hScrollBarF2->Value*M_PI/180.0;
    labelA1->Text=L"A1 = "+A1.ToString("F2");
    labelA2->Text=L"A2 = "+A2.ToString("F2");
    labelW1->Text=L"W1 = "+W1.ToString("F2");
    labelW2->Text=L"W2 = "+W2.ToString("F2");
    labelF1->Text=L"F1 = "+(F1*180/M_PI).ToString("F0");
    labelF2->Text=L"F2 = "+(F2*180/M_PI).ToString("F0");
    pictureBox1->Invalidate();
  }
  // --------------------------------------------------------------------------
  private: System::Void pictureBox1_Paint(System::Object^  sender, System::Windows::Forms::PaintEventArgs^  e)
  {
    Graphics^ grafika = e->Graphics;
    grafika->Clear( Color::White); //colorDialog2->Color);

    Pen^ pioro=gcnew Pen(System::Drawing::Color::Black);
    pioro->EndCap=Drawing2D::LineCap::ArrowAnchor;
    grafika->DrawLine(pioro, ex(Xp),ey(0.0),ex(Xk),ey(0.0));
    grafika->DrawLine(pioro, ex(0.0),ey(Yp),ex(0.0),ey(Yk));
    pioro->EndCap=Drawing2D::LineCap::NoAnchor;

    pioro->Width=int( numericUpDownSin1->Value);
    pioro->Color=panelSin1->BackColor;
    double yp,y,dx=(Xk-Xp)/pictureBox1->Width;
    y=A1*cos(W1*Xp+F1);
    if(checkBoxSin1->Checked==true)
    for(double x=Xp; x<Xk; x+=dx)
    {
      yp=y;   y=A1*cos(W1*x+F1);
      grafika->DrawLine(pioro, ex(x-dx),ey(yp), ex(x),ey(y));
    }
    pioro->Width=int( numericUpDownSin2->Value);
    pioro->Color=panelSin2->BackColor;
    y=A2*cos(W2*Xp+F2);
    if(checkBoxSin2->Checked==true)
    for(double x=Xp; x<Xk; x+=dx)
    {
      yp=y;   y=A2*cos(W2*x+F2);
      grafika->DrawLine(pioro, ex(x-dx),ey(yp), ex(x),ey(y));
    }
    pioro->Width=int( numericUpDownSin12->Value);
    pioro->Color=panelSin12->BackColor;
    y=A1*cos(W1*Xp+F1);+A2*cos(W2*Xp+F2);
    if(checkBoxSin12->Checked==true)
    for(double x=Xp; x<Xk; x+=dx)
    {
      yp=y;   y=A1*cos(W1*x+F1)+A2*cos(W2*x+F2);
      grafika->DrawLine(pioro, ex(x-dx),ey(yp), ex(x),ey(y));
    }
  }
  // --------------------------------------------------------------------------
  private: System::Void pictureBox1_Resize(System::Object^  sender, System::EventArgs^  e)
  {
    pictureBox1->Invalidate();
  }
  // --------------------------------------------------------------------------
  private: System::Void pictureBox1_MouseMove(System::Object^  sender, System::Windows::Forms::MouseEventArgs^  e)
  {
    int xe=e->X,ye=e->Y;
    double xr=rzx( xe),yr=rzy( ye);
    tLabelEkr->Text=L"(x,y)ekr = ("+xe.ToString()+L"; "+ye.ToString()+L")";
    tLabelRzecz->Text=L"(x,y)rzecz = ("+xr.ToString("F2")+L"; "+yr.ToString("F2")+L")";
  }
  // --------------------------------------------------------------------------
  private: System::Void checkBox1_CheckedChanged(System::Object^  sender, System::EventArgs^  e)
  {
    timer1->Enabled=checkBox1->Checked;
  }
  // --------------------------------------------------------------------------
  private: System::Void timer1_Tick(System::Object^  sender, System::EventArgs^  e)
  {
    hScrollBarF2->Value=(hScrollBarF2->Value+3)%hScrollBarF2->Maximum;
    F2=hScrollBarF2->Value*M_PI/180.0;
    labelF2->Text=L"F2 = "+(F2*180/M_PI).ToString("F0");
    pictureBox1->Invalidate();
  }
  // --------------------------------------------------------------------------
  private: System::Void panel_Click(System::Object^  sender, System::EventArgs^  e)
  {
    Panel ^panel=(Panel^) sender;
    colorDialog1->Color=panel->BackColor;
    if(colorDialog1->ShowDialog() == System::Windows::Forms::DialogResult::OK)
      panel->BackColor = colorDialog1->Color;
    pictureBox1->Invalidate();
  }
  // --------------------------------------------------------------------------
  private: System::Void textBox2_KeyDown(System::Object^  sender, System::Windows::Forms::KeyEventArgs^  e)
  {
    if(e->KeyValue==13)  textBox_Leave( sender, gcnew EventArgs());
  }
  // --------------------------------------------------------------------------
  private: System::Void textBox_Leave(System::Object^  sender, System::EventArgs^  e)
  {
    try
    {
      Xp=Convert::ToDouble(textBoxXp->Text);
      Xk=Convert::ToDouble(textBoxXk->Text);
      Yp=Convert::ToDouble(textBoxYp->Text);
      Yk=Convert::ToDouble(textBoxYk->Text);
    }
    catch(...)
    {
      textBoxXp->Text=Xp.ToString();
      textBoxXk->Text=Xk.ToString();
      textBoxYp->Text=Yp.ToString();
      textBoxYk->Text=Yk.ToString();
    }
    pictureBox1->Invalidate();
  }
  // --------------------------------------------------------------------------
};
}