private SpriteSheet loadCharacter(char side) throws SlickException {
        if (side == 'r') {
            if (MainMenuState.actualCharacterIndex == 0) {
                return new SpriteSheet("pic/chlop1Right.png", playerWidth, playerHeight);
            } else if (MainMenuState.actualCharacterIndex == 1) {
                return new SpriteSheet("pic/chlop2Right.png", playerWidth, playerHeight);
            } else if (MainMenuState.actualCharacterIndex == 2) {
                return new SpriteSheet("pic/chlop3Right.png", playerWidth, playerHeight);
            }
        }
        if (side == 'l') {
            if (MainMenuState.actualCharacterIndex == 0) {
                return new SpriteSheet("pic/chlop1Left.png", playerWidth, playerHeight);
            } else if (MainMenuState.actualCharacterIndex == 1) {
                return new SpriteSheet("pic/chlop2Left.png", playerWidth, playerHeight);
            } else if (MainMenuState.actualCharacterIndex == 2) {
                return new SpriteSheet("pic/chlop3Left.png", playerWidth, playerHeight);
            }
        }

        return new SpriteSheet("pic/chlop1Right.png", playerWidth, playerHeight);
    }