#include <iostream>
#include <SFML\System.hpp>
#include <SFML\Graphics.hpp>

void Init();
void Update();
void Draw();
void LoadContent();
bool Paused = false;
sf::RenderWindow renderWindow(sf::VideoMode(800,600), "Title");
sf::Image palloImage;
sf::Sprite pallo;
sf::Vector2f palloSpeed = sf::Vector2f(1.f, 1.f);
sf::Vector2f palloPosition;
int main()
{
    Init();
    while(renderWindow.IsOpened())
    {
        Update();
        Draw();
    }
}
void Init()
{
    LoadContent();
}

void LoadContent()
{
    if(palloImage.LoadFromFile("./pallo.png"))
    {
        pallo = sf::Sprite(palloImage);
        pallo.SetColor(sf::Color(255,255,255,255));
        palloPosition = sf::Vector2f(renderWindow.GetWidth() / 2, renderWindow.GetHeight() / 2);
        pallo.SetPosition(palloPosition);
    }
}

void Update()
{
    float elapsedTime = renderWindow.GetFrameTime();
    sf::Event Event;
    while(renderWindow.GetEvent(Event))
    {
        if(Event.Type == sf::Event::Closed)
            renderWindow.Close();
    }
    if(palloPosition.y + pallo.GetSize().y >= renderWindow.GetHeight() || palloPosition.y <= 0)
    {
        palloSpeed.y *= -1;
        std::cout << "Vertikaaliosuma, x=" << palloPosition.y << ", y=" << palloPosition.x << std::endl;
    }
    if(palloPosition.x + pallo.GetSize().x >= renderWindow.GetWidth() || palloPosition.x <= 0)
    {
        palloSpeed.x *= -1;
        std::cout << "Horisontaaliosuma, x=" << palloPosition.y << ", y=" << palloPosition.x << std::endl;
    }
    palloPosition.x += (200 * elapsedTime * palloSpeed.x);
    palloPosition.y += (200 * elapsedTime * palloSpeed.y);
    pallo.SetPosition(palloPosition);
}

void Draw()
{
    renderWindow.Clear(sf::Color(100,149,237)); //Piirtokoodi tämän jälkeen
    renderWindow.Draw(pallo);
    renderWindow.Display(); //Piirtokoodi ennen tätä
}