SFML. Вектора, массивы, классы, объекты

vector<int> k(1);

//Function.cpp
using namespace sf;
 
int mouse_xy(bool i, RenderWindow *win){
    int xy[2];
    Vector2i mouse_v;
 
    mouse_v = Mouse::getPosition(*win);
 
    xy[0] = mouse_v.x;
    xy[1] = mouse_v.y;
 
    return xy[i];
}
 
float distance_to_point(float x1, float y1, float x2, float y2){
    float x, y;
    x=pow(pow(x1-x2,2),0.5);
    y=pow(pow(y1-y2,2),0.5);
    return pow(x*x+y*y,0.5);
}

RenderWindow window(VideoMode(600, 500), "WinGraph");

if (!preSpase)
        if (Keyboard::isKeyPressed(Keyboard::Space)){
            Circle *cir = new Circle();
            cir->XX = mouse_xy(0, &window);
            cir->YY = mouse_xy(1, &window);
            cir->window = &window;
            cir->ID=id;
            cir->Create();
            obj[id] = cir;
            id++;
            upd=true;
        }
        if (!preControl)
        if (Keyboard::isKeyPressed(Keyboard::LControl)){
            Circle2 *cir = new Circle2();
            cir->XX = mouse_xy(0, &window);
            cir->YY = mouse_xy(1, &window);
            cir->window = &window;
            cir->ID=id;
            cir->Create();
            obj[id] = cir;
            id++;
            upd=true;
        }

if (distance_to_point(x, y, mouse_xy(0,&window), mouse_xy(1,&window))<R);

class Circle2 : public Object{
public:
    float x, XX, y, YY, speed, R=25;
    int dir, ID;
 
    RenderWindow *window;
    CircleShape shape;
 
    void Create(){
        x=XX;
        y=YY;
        dir=0;
        speed=0;
 
        shape.setRadius(R);
        shape.setOrigin(R,R);
        shape.setFillColor(Color(100,175,200));
    }
...
 
        if (speed<0) speed=0;
        if (Keyboard::isKeyPressed(Keyboard::A)) dir=180;
        if (Keyboard::isKeyPressed(Keyboard::D)) dir=0;
        if (Keyboard::isKeyPressed(Keyboard::W)) dir=90;
        if (Keyboard::isKeyPressed(Keyboard::S)) dir=270;
        y-=sin(dir*M_PI/180)*speed;
        x+=cos(dir*M_PI/180)*speed;
 
        if (distance_to_point(x, y, mouse_xy(0,&window), mouse_xy(1,&window))<R);
    }
 
    void Draw(){
        shape.setPosition(x, y);
        window->draw(shape);
    }

if (distance_to_point(x, y, mouse_xy(0, window), mouse_xy(1, window))<R);

if (distance_to_point(x, y, mouse_xy(0, window), mouse_xy(1, window))<R);

#include "Include.h"
#include "Object.cpp"
#include "Circle1.cpp"
#include "Circle2.cpp"
#include "Function.cpp"
#include <vector>

#include "Include.h"
#include "Function.cpp"

#include <SFML/System.hpp>
#include <SFML/Window.hpp>
#include <SFML/Graphics.hpp>
#include <SFML/System/Vector2.hpp>
#include <math.h>