void LoadSeaTile(int x, int y)
 {
     tiles[x, y] = new Tile(gameContent.water[gameContent.random.Next(gameContent.water.Length)],
         TileType.sea);
 }
 void LoadLandTile(int x, int y)
 {
     tiles[x, y] = new Tile(gameContent.land[gameContent.random.Next(gameContent.land.Length)],
         TileType.land);
 }