I'm not dead yet

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

using namespace std;

unsigned int width = 700;
unsigned int height = 500;
unsigned int ground = 450;
float gravity = .5;
bool jump_available = true;

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

    sf::RectangleShape player(sf::Vector2f(50, 50));
    player.setFillColor(sf::Color::Magenta);
    player.setPosition((width / 2) - 25, (height / 2) - 25);

    sf::RectangleShape obstacle(sf::Vector2f(100, 100));
    obstacle.setFillColor(sf::Color::Red);
    obstacle.setPosition((width / 2) + 150, height / 2);

    sf::Vector2f velocity(0, 0);

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

        while (window.pollEvent(event))
        {
            if (event.type == sf::Event::Closed)
            {
                window.close();
            }

            if (event.type == sf::Event::KeyPressed)
            {
                if (event.key.code == sf::Keyboard::Left)
                {
                    player.move(-5, 0);
                }
                if (event.key.code == sf::Keyboard::Right)
                {
                    player.move(5, 0);
                }
                if (event.key.code == sf::Keyboard::Up)
                {
                    player.move(0, -5);
                }
                if (event.key.code == sf::Keyboard::Down)
                {
                    player.move(0, 5);
                }
                if (event.key.code == sf::Keyboard::Space && jump_available == true)
                {
                    velocity.y = -20;
                    jump_available = false;
                }
            }
        }

        //Apply Gravity
        velocity.y += gravity;
        player.move(velocity);

        //Check Collision
        sf::FloatRect player_boundingbox = player.getGlobalBounds();
        sf::FloatRect overlap;
        if (player_boundingbox.intersects(obstacle.getGlobalBounds(), overlap))
        {
            cout << overlap.width << endl;
            cout << overlap.height << endl;

            if (overlap.width > overlap.height)
            {
                if (player.getPosition().y < obstacle.getPosition().y)
                {
                    cout << "The player just hit the obstacle from the top side" << endl;
                    player.setPosition(player.getPosition().x, obstacle.getPosition().y - 50);
                    velocity.y = 0;
                    jump_available = true;
                }
                else if (player.getPosition().y > obstacle.getPosition().y)
                {
                    cout << "The player just hit the obstacle from the bottom side" << endl;
                    player.setPosition(player.getPosition().x, obstacle.getPosition().y + 100);
                    velocity.y = 0;
                }
            }
            else if (overlap.width < overlap.height)
            {
                if (player.getPosition().x < obstacle.getPosition().x)
                {
                    cout << "The player just hit the obstacle from the left side" << endl;
                    player.setPosition(obstacle.getPosition().x - 50, player.getPosition().y);
                }
                else if (player.getPosition().x > obstacle.getPosition().x)
                {
                    cout << "The player just hit the obstacle from the right side" << endl;
                    player.setPosition(obstacle.getPosition().x + 100, player.getPosition().y);
                }
            }
        }
        else if (player.getPosition().y > ground)
        {
            cout << "The player just hit the ground" << endl;
            player.setPosition(player.getPosition().x, ground);
            velocity.y = 0;
            jump_available = true;
        }

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

        window.draw(player);
        window.draw(obstacle);

        window.display(); //Display
    }

    window.close();

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