private void TraversePath()
{
//Stop patrons from standing inside each other
if (grid.IsTileFree(path[pathIndex + 1]))
{
pathIndex++;
if (pathIndex >= path.Length)
{
pathIndex = path.Length - 1;
}
if (pathIndex == path.Length - 1)
{
atTable = true;
}
grid.Taketile(path[pathIndex], path[pathIndex - 1]);
transform.position = grid.GetWorldPositionOfGrid(path[pathIndex]);
}
else
{
waitingForSpace -= secondsPerMove;
if (waitingForSpace < 0)
{
List <Vector2> newPath = pathFinder.GetPath(path[pathIndex], path[path.Length - 1]);
if (newPath != null)
{
NewPath(newPath);
}
waitingForSpace = Random.Range(1f, maxWaitTime);
}
}
}
/// <summary>
/// Gets all the valid neightbors for the current node
/// </summary>
/// <param name="current"></param>
/// <returns></returns>
List <Vector2> getNeighbors(Vector2 current)
{
List <Vector2> neighbors = new List <Vector2>();
Vector2 neighbor = current;
neighbor.x++;
if (grid.IsTileFree(neighbor))
{
neighbors.Add(neighbor);
}
neighbor = current;
neighbor.x--;
if (grid.IsTileFree(neighbor))
{
neighbors.Add(neighbor);
}
neighbor = current;
neighbor.y++;
if (grid.IsTileFree(neighbor))
{
neighbors.Add(neighbor);
}
neighbor = current;
neighbor.y--;
if (grid.IsTileFree(neighbor))
{
neighbors.Add(neighbor);
}
return(neighbors);
}
