/// @description Execute Code\n
if keyboard_check_pressed(vk_down){
    if extraHp < 1 {
    hp --
    }
    else{
    extraHp --
        }
}

if keyboard_check_pressed(vk_up) {
    if hp != maxHp {
    hp ++
    }
    else{
    extraHp ++
    }
}

hp = clamp(hp,0,maxHp);
extraHp = clamp(extraHp,0,extraMaxhp);

if keyboard_check_pressed(vk_left) {
    extraMaxhp --
}

if keyboard_check_pressed(vk_right) {
    extraMaxhp ++
}

extraMaxhp = clamp(extraMaxhp,0,20)