Преобразования с потерей данных

#include <SFML/Graphics.hpp>
#include <iostream>
using namespace sf;
int main()
{
    RenderWindow window(sf::VideoMode(640, 480), "Sonic");
 
    Image heroimage;
    heroimage.loadFromFile("https://www.cyberforum.ru/images/walk2.png");
 
    Texture herotexture;
    herotexture.loadFromImage(heroimage);
 
    Sprite herosprite;
    herosprite.setTexture(herotexture);
    herosprite.setTextureRect(IntRect(0, 23, 36, 60));
    herosprite.setPosition(50, 25);
    
    float CurrentFrame = 0;
    Clock clock;
 
    while (window.isOpen())
    {
        float time = clock.getElapsedTime().asMicroseconds();
        clock.restart();
        time = time / 800;
        sf::Event event;
        while (window.pollEvent(event))
        {
            if (event.type == sf::Event::Closed)
                window.close();
 
        }
        if ((Keyboard::isKeyPressed(Keyboard::Right) || (Keyboard::isKeyPressed(Keyboard::D)))) {
            CurrentFrame += 0.005*time;
            if (CurrentFrame > 8) CurrentFrame -= 8; 
            herosprite.setTextureRect(IntRect(27 * int(CurrentFrame), 25, 27, 60));
            herosprite.move(0.1*time, 0);
        }
        if ((Keyboard::isKeyPressed(Keyboard::Left) || (Keyboard::isKeyPressed(Keyboard::A)))) {
            CurrentFrame += 0.005*time; 
            if (CurrentFrame > 9) CurrentFrame -= 8;
            herosprite.setTextureRect(IntRect(27 * int(CurrentFrame), 25, -27, 60));
            herosprite.move(-0.1*time, 0);
        }
 
 
        window.clear();
        window.draw(herosprite);
        window.display();
    }
 
    return 0;
}