SFML 2.1 Code block

-------------- Build: Debug in SFML (compiler: GNU GCC Compiler)---------------

mingw32-g++.exe -Wall -g -g -IC:\Users\Paweł\Desktop\SFML-2.1\include -c C:\Users\Paweł\Desktop\SFML\main.cpp -o obj\Debug\main.o
mingw32-g++.exe -LC:\Users\Paweł\Desktop\SFML-2.1\lib -o bin\Debug\SFML.exe obj\Debug\main.o   C:\Users\Paweł\Desktop\SFML-2.1\lib\libsfml-audio-d.a C:\Users\Paweł\Desktop\SFML-2.1\lib\libsfml-graphics-d.a C:\Users\Paweł\Desktop\SFML-2.1\lib\libsfml-main-d.a C:\Users\Paweł\Desktop\SFML-2.1\lib\libsfml-network-d.a C:\Users\Paweł\Desktop\SFML-2.1\lib\libsfml-system-d.a C:\Users\Paweł\Desktop\SFML-2.1\lib\libsfml-window-d.a -mwindows
Output file is bin\Debug\SFML.exe with size 746.64 KB
Process terminated with status 0 (0 minute(s), 8 second(s))
0 error(s), 0 warning(s) (0 minute(s), 8 second(s))
 

-------------- Run: Debug in SFML (compiler: GNU GCC Compiler)---------------

Checking for existence: C:\Users\Paweł\Desktop\SFML\bin\Debug\SFML.exe
Executing: "C:\Users\Paweł\Desktop\SFML\bin\Debug\SFML.exe"  (in C:\Users\Paweł\Desktop\SFML\.)

#include <SFML/Graphics.hpp>
#include <cmath>

int main()
{
    sf::RenderWindow okno( sf::VideoMode( 320, 240 ), "Kurs SFML 2.0 - http://cpp0x.pl" );
    sf::Clock stoper;
    while( okno.isOpen() )
    {
        sf::Event event;
        while( okno.pollEvent( event ) )
        {
            if( event.type == sf::Event::Closed )
                 okno.close();
          
        } //while
        okno.clear();
      
        sf::CircleShape ksztalt( std::sin( stoper.getElapsedTime().asSeconds() ) * okno.getSize().y / 8 + okno.getSize().y / 4 );
        ksztalt.setOrigin( sf::Vector2f( ksztalt.getRadius(), ksztalt.getRadius() ) );
        ksztalt.setPosition( okno.getSize().x / 2.0f, okno.getSize().y / 2.0f );
        ksztalt.setFillColor( sf::Color::Yellow );
        okno.draw( ksztalt );
      
        okno.display();
    } //while
    return 0;
}