@Override
	public float estimate(Node startNode, Node endNode) {
		int startIndex = startNode.getIndex();
		int endIndex = endNode.getIndex();

		int startY = startIndex / MapManager.mapWidth;
		int startX = startIndex % MapManager.mapWidth;

		int endY = endIndex / MapManager.mapWidth;
		int endX = endIndex % MapManager.mapWidth;

		float distance = (float)Math.sqrt(Math.pow(endX - startX, 2) + Math.pow(endY - startY, 2));

		return distance;
	}