Necro9898

var isLeftPressed = Input.GetButton("LeftArrow");
var isUpPressed = Input.GetButton("UpArrow");
var isRightPressed = Input.GetButton("RightArrow");
var isDownPressed = Input.GetButton("DownArrow");
if (isUpPressed && isDownPressed && Time.time > timeToFire)
{
    timeToFire = Time.time + 1 / fireRate;
    Instantiate(fireSphere, firePoint.position, firePoint.rotation);
}