void GenerateTiles()
{
// get the size of the tile
float tileSize = tilePrefab.GetComponent <MeshGenerator>().xSize;
for (int x = 0; x < numX; x++)
{
for (int z = 0; z < numZ; z++)
{
GameObject tileObj = Instantiate(tilePrefab.gameObject, transform);
tileObj.transform.position = new Vector3((x - ((float)numX / 2)) * tileSize, 0, (z - ((float)numZ / 2)) * tileSize);
// set the tile's offset
float offsetRate = (tilePrefab.noiseSampleSize - 1) / tilePrefab.scale;
tileObj.GetComponent <TileGenerator>().offset = new Vector2(x * offsetRate, z * offsetRate);
}
}
}