[SFML 2.0] Rysowanie po mapie

#include <SFML/Graphics.hpp>
#include <string>
#include <vector>
#include <cmath>
#include <conio.h>
#include <iostream>
#include <fstream>
#include <windows.h>

using namespace sf;
using namespace std;

RectangleShape Cube;

class postac
{
public:
    RectangleShape Player;
   
    postac() {
        Player.setSize( Vector2f( 20, 20 ) );
        Player.setPosition( 20, 20 );
        Player.setFillColor( Color( 150, 50, 250 ) );
    }
   
    void Sterowanie()
    {
        if( Keyboard::isKeyPressed( Keyboard::Up ) || Keyboard::isKeyPressed( Keyboard::W ) ) Player.move( 0.0f, - 0.1f );
       
        if( Keyboard::isKeyPressed( Keyboard::Down ) || Keyboard::isKeyPressed( Keyboard::S ) ) Player.move( 0.0f, 0.1f );
       
        if( Keyboard::isKeyPressed( Keyboard::Left ) || Keyboard::isKeyPressed( Keyboard::A ) ) Player.move( - 0.1f, 0.0f );
       
        if( Keyboard::isKeyPressed( Keyboard::Right ) || Keyboard::isKeyPressed( Keyboard::D ) ) Player.move( 0.1f, 0.0f );
       
    }
   
};

int main()
{
    RenderWindow Window( VideoMode( 640, 480, 32 ), "Game - Sparda" );
    Event zdarzenie;
   
    postac gracz;
   
    Cube.setSize( Vector2f( 20, 20 ) );
   
    while( Window.isOpen() )
    {
        while( Window.pollEvent( zdarzenie ) )
        {
            switch( zdarzenie.type )
            {
            case Event::Closed: Window.close(); break;
            case Event::MouseMoved: if( Mouse::isButtonPressed( Mouse::Left ) )
                {
                    Cube.setPosition( Vector2f( zdarzenie.mouseMove.x, zdarzenie.mouseMove.y ) );
                } break;
            }
        }
       
       
       
        Window.clear();
        gracz.Sterowanie();
        Window.draw( Cube );
        Window.draw( gracz.Player );
       
        Window.display();
    }
    return 0;
}