private void SetAccessibleTiles()
{
List <Vector2Int> currentLayer;
var previousLayer = new List <Vector2Int>();
var steps = maxSteps;
previousLayer.Add(coords);
while (steps >= 0)
{
currentLayer = new List <Vector2Int>();
// still gotta deduplicate
previousLayer.ForEach(tile => {
if (!grid.TileHasObstacle(tile))
{
accessibleTiles.Add(tile);
grid.GetNeighbours(tile).ForEach(tile => {
if (!previousLayer.Contains(tile) && !currentLayer.Contains(tile))
{
currentLayer.Add(tile);
}
});
}
});
previousLayer = currentLayer;
steps--;
}
}