// TODO, remove prefered
WangTile[] Get_Tile_Array()
{
WangTileSet set = tile_set.GetComponent <WangTileSet>();
GameObject[] tiles = set.tiles;
WangTile[] result = new WangTile[tiles.Length];
for (int i = 0; i < tiles.Length; i++)
{
result[i] = tiles[i].GetComponent <WangTile>();
}
return(result);
}
WangTile Spawn_Tile(WangTile tile, Vector3 pos)
{
return(GameObject.Instantiate(tile, pos, Quaternion.Euler(0, 0, 0)));
}
void Start()
{
/*
*
* 1 - select any tile for the NW corner
* 2 - tile the top row left to right where the W edge of the tile matches the E edge of the previous tile
* 3 - select a first tile for the next row such that the N edge matches the S edge from the tile above
* 4 - continue this row, where N and W edges match the S and E edges of the tile above and the left
* 5 - go to step 3 if there are more rows
*
*/
WangTile[] tiles = Get_Tile_Array();
int x_steps = 30;
int y_steps = 30;
WangTile[][] cells = new WangTile[y_steps][];
// c# thing
for (int i = 0; i < cells.Length; i++)
{
cells[i] = new WangTile[x_steps];
}
// --------------------------------------------------
// step 1
cells[0][0] = Spawn_Tile(tiles[0], new Vector3(0, 0, 0));
// step 2, fill first row
float TILE_WIDTH = 30f;
float TILE_HEIGHT = 30f;
for (int x = 1; x < x_steps; x++)
{
WangTile tile_left = cells[0][x - 1];
// get a tile where W matches E
// SLOPPY!
List <WangTile> options = new List <WangTile>();
for (int i = 0; i < tiles.Length; i++)
{
WangTile t = tiles[i];
if (t.W == tile_left.E)
{
options.Add(t);
}
}
WangTile selected = options[Random.Range(0, options.Count)];
cells[0][x] = Spawn_Tile(selected, new Vector3(x * TILE_WIDTH, 0, 0));
}
// step 3
for (int y = 1; y < y_steps; y++)
{
WangTile tile_above = cells[y - 1][0];
List <WangTile> options = new List <WangTile>();
for (int i = 0; i < tiles.Length; i++)
{
if (i == 0)
{
continue;
}
WangTile t = tiles[i];
if (t.N == tile_above.S)
{
options.Add(t);
}
}
WangTile selected = options[Random.Range(0, options.Count)];
cells[y][0] = Spawn_Tile(selected, new Vector3(0 * TILE_WIDTH, 0, -y * TILE_HEIGHT));
}
// step 4
for (int y = 1; y < y_steps; y++)
{
for (int x = 1; x < x_steps; x++)
{
WangTile tile_above = cells[y - 1][x];
WangTile tile_left = cells[y][x - 1];
List <WangTile> options = new List <WangTile>();
for (int i = 0; i < tiles.Length; i++)
{
if (i == 0)
{
continue;
}
WangTile t = tiles[i];
if (t.N == tile_above.S && t.W == tile_left.E)
{
options.Add(t);
}
}
WangTile selected = options[Random.Range(0, options.Count)];
cells[y][x] = Spawn_Tile(selected, new Vector3(x * TILE_WIDTH, 0, -y * TILE_HEIGHT));
}
}
}
