private void SmoothEdgeDetailed(Tile tile, List<string> neighboursTerrainList, string[] neighboursTerrain)

        {

            Color[] cols = new Color[24];

​

            foreach (string terrainType in neighboursTerrainList)

            {

                MeshData mesh = GetMesh(terrainType);

​

                int startVertex = mesh.vertices.Count;

​

                mesh.AddVertex(tile.Position.x, tile.Position.y + 1f);          // row 0: 0

                mesh.AddVertex(tile.Position.x + .25f, tile.Position.y + 1f);   // 1

                mesh.AddVertex(tile.Position.x + .5f, tile.Position.y + 1f);    // 2

                mesh.AddVertex(tile.Position.x + .75f, tile.Position.y + 1f);   // 3

                mesh.AddVertex(tile.Position.x + 1f, tile.Position.y + 1f);     // 4

                mesh.AddVertex(tile.Position.x + 1f, tile.Position.y + .75f);   // row 1: 5

                mesh.AddVertex(tile.Position.x + .75f, tile.Position.y + .75f); // 6

                mesh.AddVertex(tile.Position.x + .5f, tile.Position.y + .75f);  // 7

                mesh.AddVertex(tile.Position.x + .25f, tile.Position.y + .75f); // 8

                mesh.AddVertex(tile.Position.x, tile.Position.y + .75f);        // 9

                mesh.AddVertex(tile.Position.x, tile.Position.y + .5f);         // row 2: 10

                mesh.AddVertex(tile.Position.x + .25f, tile.Position.y + .5f);  // 11

                mesh.AddVertex(tile.Position.x + .75f, tile.Position.y + .5f);  // 12

                mesh.AddVertex(tile.Position.x + 1f, tile.Position.y + .5f);    // 13

                mesh.AddVertex(tile.Position.x + 1f, tile.Position.y + .25f);   // row 3: 14

                mesh.AddVertex(tile.Position.x + .75f, tile.Position.y + .25f); // 15

                mesh.AddVertex(tile.Position.x + .5f, tile.Position.y + .25f);  // 16

                mesh.AddVertex(tile.Position.x + .25f, tile.Position.y + .25f); // 17

                mesh.AddVertex(tile.Position.x, tile.Position.y + .25f);        // 18

                mesh.AddVertex(tile.Position.x, tile.Position.y);               // row 4: 19

                mesh.AddVertex(tile.Position.x + .25f, tile.Position.y);        // 20

                mesh.AddVertex(tile.Position.x + .5f, tile.Position.y);         // 21

                mesh.AddVertex(tile.Position.x + .75f, tile.Position.y);        // 22

                mesh.AddVertex(tile.Position.x + 1f, tile.Position.y);          // 23

​

                // make all transparent

                for (int i = 0; i < cols.Length; i++)

                {

                    cols[i] = Color.clear;

                }

​

                // iterate neighbours tiles

                for (int i = 0; i < 8; i++)

                {

                    // int [] white_verts = new int[24];

                    if (terrainType == neighboursTerrain[i])

                    {

                        // same terrain type neighbour position

                        switch (i)

                        {

                            // south tile

                            case 0:

                                cols[19] = Color.white;

                                cols[20] = Color.white;

                                cols[21] = Color.white;

                                cols[22] = Color.white;

                                cols[23] = Color.white;

                                break;

                            // south-west tile

                            case 1:

                                cols[19] = Color.white;

                                break;

                            // west tile

                            case 2:

                                cols[0] = Color.white;

                                cols[9] = Color.white;

                                cols[10] = Color.white;

                                cols[18] = Color.white;

                                cols[19] = Color.white;

                                break;

                            // north-west tile

                            case 3:

                                cols[0] = Color.white;

                                break;

                            // north tile

                            case 4:

                                cols[0] = Color.white;

                                cols[1] = Color.white;

                                cols[2] = Color.white;

                                cols[3] = Color.white;

                                cols[4] = Color.white;

                                break;

                            // north-east tile

                            case 5:

                                cols[4] = Color.white;

                                break;

                            // east tile

                            case 6:

                                cols[4] = Color.white;

                                cols[5] = Color.white;

                                cols[13] = Color.white;

                                cols[14] = Color.white;

                                cols[23] = Color.white;

                                break;

                            // south-east tile

                            case 7:

                                cols[23] = Color.white;

                                break;

                        }

                    }

                }

                mesh.colors.AddRange(cols);

​

                mesh.AddTriangle(startVertex, 0, 1, 9);     // 1

                mesh.AddTriangle(startVertex, 1, 8, 9);     // 2

                mesh.AddTriangle(startVertex, 1, 2, 8);     // 3

                mesh.AddTriangle(startVertex, 2, 7, 8);     // 4

                mesh.AddTriangle(startVertex, 2, 6, 7);     // 5

                mesh.AddTriangle(startVertex, 2, 3, 6);     // 6

                mesh.AddTriangle(startVertex, 3, 5, 6);     // 7

                mesh.AddTriangle(startVertex, 3, 4, 5);     // 8

                mesh.AddTriangle(startVertex, 6, 5, 13);    // 9

                mesh.AddTriangle(startVertex, 6, 13, 12);   // 10

                mesh.AddTriangle(startVertex, 6, 15, 17);   // 11

                mesh.AddTriangle(startVertex, 8, 6, 17);    // 12

                mesh.AddTriangle(startVertex, 8, 11, 10);   // 13

                mesh.AddTriangle(startVertex, 9, 8, 10);    // 14

                mesh.AddTriangle(startVertex, 10, 17, 18);  // 15

                mesh.AddTriangle(startVertex, 10, 11, 17);  // 16

                mesh.AddTriangle(startVertex, 12, 13, 15);  // 17

                mesh.AddTriangle(startVertex, 13, 14, 15);  // 18

                mesh.AddTriangle(startVertex, 14, 23, 22);  // 19

                mesh.AddTriangle(startVertex, 15, 14, 22);  // 20

                mesh.AddTriangle(startVertex, 15, 22, 21);  // 21

                mesh.AddTriangle(startVertex, 21, 16, 15);  // 22

                mesh.AddTriangle(startVertex, 17, 16, 21);  // 23

                mesh.AddTriangle(startVertex, 17, 21, 20);  // 24

                mesh.AddTriangle(startVertex, 18, 17, 20);  // 25

                mesh.AddTriangle(startVertex, 18, 20, 19);  // 26

            }

        }