TileData NextTile()
{
// Empty list for valid tiles to spawn next
List <TileData> validTiles = new List <TileData>();
// Empty TileData object
TileData nextTile;
// Initiate variable that will tell us which data object to look at for our next tile choice
TileData.Direction nextDirection = TileData.Direction.North;
// Loop through each to match the exit direction of the previous tile to teh appropriate TileData list
switch (previousTile.exitDirection)
{
case TileData.Direction.North:
nextDirection = TileData.Direction.South;
spawnPoint = spawnPoint + new Vector3(0, 0, previousTile.tileSize.y);
break;
case TileData.Direction.East:
nextDirection = TileData.Direction.West;
spawnPoint = spawnPoint + new Vector3(previousTile.tileSize.x, 0, 0);
break;
case TileData.Direction.South:
nextDirection = TileData.Direction.North;
spawnPoint = spawnPoint + new Vector3(0, 0, -previousTile.tileSize.y);
break;
case TileData.Direction.West:
nextDirection = TileData.Direction.East;
spawnPoint = spawnPoint + new Vector3(-previousTile.tileSize.x, 0, 0);
break;
default:
break;
}
// Loop through all our data object arrays
for (int i = 0; i < tileData.Length; i++)
{
// Add our array if available tiles to the list we can pool from if exit and entry directions match
if (tileData[i].entryDirection == nextDirection)
{
validTiles.Add(tileData[i]);
}
}
// Pick a random tile from our list to be the next tile
nextTile = validTiles[Random.Range(0, validTiles.Count)];
return(nextTile);
}
public static Sprite decideSprite(TileData.Direction start, TileData.Direction end) // hardcoded
{
Sprite sprite = null;
if (start == TileData.Direction.UP)
{
switch (end)
{
case TileData.Direction.UNSET:
case TileData.Direction.DOWN:
sprite = TSprites.vertTile;
break;
case TileData.Direction.LEFT:
sprite = TSprites.ULTile;
break;
case TileData.Direction.RIGHT:
sprite = TSprites.URTile;
break;
}
}
else if (start == TileData.Direction.DOWN)
{
switch (end)
{
case TileData.Direction.UNSET:
case TileData.Direction.UP:
sprite = TSprites.vertTile;
break;
case TileData.Direction.LEFT:
sprite = TSprites.DLTile;
break;
case TileData.Direction.RIGHT:
sprite = TSprites.DRTile;
break;
}
}
else if (start == TileData.Direction.LEFT)
{
switch (end)
{
case TileData.Direction.UP:
sprite = TSprites.ULTile;
break;
case TileData.Direction.DOWN:
sprite = TSprites.DLTile;
break;
case TileData.Direction.UNSET:
case TileData.Direction.RIGHT:
sprite = TSprites.horiTile;
break;
}
}
else if (start == TileData.Direction.RIGHT)
{
switch (end)
{
case TileData.Direction.UP:
sprite = TSprites.URTile;
break;
case TileData.Direction.DOWN:
sprite = TSprites.DRTile;
break;
case TileData.Direction.UNSET:
case TileData.Direction.LEFT:
sprite = TSprites.horiTile;
break;
}
}
return(sprite);
}