/// <summary>
/// Notify the manager to free up the spawn point this pickup has been spawned at
/// and decrement the number of pickups in the scene.
/// </summary>
protected void NotifyManager()
{
GameObject pickupMgr = GameObject.Find("PickupManager");
PickupManager pMgr = pickupMgr.GetComponent <PickupManager>();
// Free up the spawn point this pickup instance was located at,
// so that a new health pickup can be spawned there.
pMgr.FreeSpawn(spawnIndex);
// Decrement number of pickups in the scene
pMgr.PickupCount = pMgr.PickupCount - 1;
}