RandomFreePosition.cs - snippet of FormationController.cs from 2D Shooter project

RandomFreePosition.cs

	Transform RandomFreePosition () {
		Transform[] myEmptyChildren = new Transform[transform.childCount];
		int inCount = 0;
		foreach(Transform childPosition in transform) {
			if (childPosition.childCount == 0) {
				myEmptyChildren[inCount] = childPosition;
				inCount++;
			}
		}
		if (inCount > 0) return myEmptyChildren[Random.Range(0, inCount)];
		else return null;
	}