public void ValidateVerticalPosition()
        {
            // if hit od gore (ili dole?) currentJump=0
            // if hit od dole isDoubleJumping = false

            foreach(Rectangle boundary in Boundaries)
            {
                bool collisionAbove = Collisions(Hero.Character, boundary)[0];
                if (collisionAbove && Hero.Character.IntersectsWith(boundary))
                {
                    currentJump = 0;
                    Hero.Character = new RectangleF(Hero.Character.X, boundary.Bottom + 0.1f, Hero.Character.Width, Hero.Character.Height);
                    break; // might bug, check out later
                }

                bool collisionBelow = Collisions(Hero.Character, boundary)[1];
                if (collisionBelow && Hero.Character.IntersectsWith(boundary))
                {
                    isDoubleJumping = false;
                    Hero.Character = new RectangleF(Hero.Character.X, boundary.Top - 0.5f - Hero.Character.Height, Hero.Character.Width, Hero.Character.Height);
                    break; // read above
                }
            }
        }


public void GravityPull()
        {
            if (currentJump == 0 && HeroIsInAir())
            {
                Hero.Fall();
            }
        }