/// <summary>
/// Helper method that damages the target object
/// </summary>
/// <param name="target">Damagable target object</param>
/// <param name="amount">Damage amount</param>
private void ProcessAttack(IDamagable target, int amount)
{
target.ModifyHealth(amount);
}
// Actual effect which powerup has on entity it was applied to
public void ApplyTo(IDamagable damagable)
{
damagable.ModifyHealth(_healthAmount);
Destroy(gameObject);
}