private void SpawnCollectables()
{
List <CaveTile> collectableTiles = level.GetTilesWithValue(3);
for (int i = 0; i < collectableTiles.Count; i++)
{
CaveTile tile = collectableTiles[i];
Vector3 position = level.GetPositionAtTile(tile.X, tile.Y);
position.y += 0.25f;
InstantiateGameObject(CollectablePrefab, position, CollectablesContainer);
} // end if
}
