/// <summary>
/// Applies damage in case we touch the cat.
/// </summary>
/// <param name="other"></param>
private void OnTriggerStay(Collider other)
{
CatController cat = other.GetComponent <CatController>();
if (cat != null && Time.time >= nextDamage)
{
nextDamage = Time.time + damageInterval;
cat.ApplyDamage(damage);
}
}