public void createTerrain(Tile[][] gameTiles) {
		for (int i = 0; i < GameConstants.WORLDSIZE; i++) 
		{
			for (int j = 0; j < GameConstants.WORLDSIZE; j++)
			{
				createOrChangeTile(new Position(i,j), GameConstants.PLAINS, gameTiles);
			}
		}
		createOrChangeTile(new Position(1,0), GameConstants.OCEANS, gameTiles);
		createOrChangeTile(new Position(0,1), GameConstants.HILLS, gameTiles);
		createOrChangeTile(new Position(2,2), GameConstants.MOUNTAINS, gameTiles);
	}