multiple object collision detection engine

#include "pch.h"
#include <iostream>
#include <SFML/Graphics.hpp>

using namespace std;

unsigned int width = 500;
unsigned int height = 500;
unsigned int direction = 0;
float gravity = .3;

int main()
{
    sf::RenderWindow window(sf::VideoMode(width, height), "In progress");
    window.setFramerateLimit(60);

    sf::Vector2f velocity(0, 0);

    sf::RectangleShape player(sf::Vector2f(50, 50));
    player.setFillColor(sf::Color::Black);

    sf::RectangleShape object[10];

    for (int x = 0; x < 10; x++)
    {
        object[x].setFillColor(sf::Color::Magenta);
        object[x].setPosition(50 * x, 50 * x);
        object[x].setSize(sf::Vector2f(40, 40));
    }

    sf::Event event;
    while (window.isOpen())
    {

        while (window.pollEvent(event))
        {
            if (event.type == sf::Event::Closed)
            {
                window.close();
            }
            else if (event.type == sf::Event::KeyPressed)
            {
                if (event.key.code == sf::Keyboard::Right)
                {
                    velocity.x = 3;
                }
                else if (event.key.code == sf::Keyboard::Left)
                {
                    velocity.x = -3;
                }

                if (event.key.code == sf::Keyboard::Space)
                {
                    velocity.y = -10;
                }
            }
        }

        /*
        else if (direction == 3)
        {
            player.move(0, -3);
        }
        else if (direction == 4)
        {
            player.move(0, 3);
        }
        */

        //Jumping and gravity
        if (player.getPosition().y > 450)
        {
            player.setPosition(player.getPosition().x, 450);
            velocity.y = 0;
        }
        else
        {
            velocity.y += gravity;
        }


        //Check collision
        sf::FloatRect player_boundingBox = player.getGlobalBounds();
        sf::FloatRect overlap;
        for (int x = 0; x < 10; x++)
        {
            if (player_boundingBox.intersects(object[x].getGlobalBounds(), overlap))
            {
                cout << overlap.height << endl;
                cout << overlap.width << endl;

                if (overlap.height >= overlap.width)
                {
                    if (player.getPosition().x < object[x].getPosition().x)
                    {
                        cout << "The player just hit the object from the left side" << endl;
                        player.setPosition(object[x].getPosition().x - 50, player.getPosition().y);
                        velocity.x = -0.5;
                    }
                    else if (player.getPosition().x > object[x].getPosition().x)
                    {
                        cout << "The player just hit the object from the right side" << endl;
                        player.setPosition((object[x].getPosition().x + 40), player.getPosition().y);
                        velocity.x = .5;
                    }
                }
                else if (overlap.height < overlap.width)
                {
                    if (player.getPosition().y < object[x].getPosition().y)
                    {
                        cout << "The player just hit the object from the top side" << endl;
                        player.setPosition(player.getPosition().x, object[x].getPosition().y - 50);
                        velocity.y = 0;
                    }
                    else if (player.getPosition().y > object[x].getPosition().y)
                    {
                        cout << "The player just hit the object from the bottom side" << endl;
                        player.setPosition(player.getPosition().x, object[x].getPosition().y + 40);
                        velocity.y = 0;
                    }
                }
            }
        }

        player.move(velocity);

        window.clear(sf::Color::White); //Clear

        window.draw(player);
        for(int x = 0; x < 10; x++)
            window.draw(object[x]);

        window.display(); //Display
    }

    int pause; cin >> pause;
    return 0;
}