public static void Connect(this IConnectedGridElement3D element, IConnectedGridElement3D other, Direction direction)
{
if (element == null || other == null)
{
throw new ArgumentException("null values not allowed.");
}
switch (direction)
{
case Direction.Left:
element.Disconnect(direction);
other.Disconnect(direction.OppositeDirection());
element.NeighbourLeft = other;
other.NeighbourRight = element;
break;
case Direction.Right:
element.Disconnect(direction);
other.Disconnect(direction.OppositeDirection());
element.NeighbourRight = other;
other.NeighbourLeft = element;
break;
case Direction.Back:
element.Disconnect(direction);
other.Disconnect(direction.OppositeDirection());
element.NeighbourBack = other;
other.NeighbourFront = element;
break;
case Direction.Front:
element.Disconnect(direction);
other.Disconnect(direction.OppositeDirection());
element.NeighbourFront = other;
other.NeighbourBack = element;
break;
case Direction.Down:
element.Disconnect(direction);
other.Disconnect(direction.OppositeDirection());
element.NeighbourDown = other;
other.NeighbourUp = element;
break;
case Direction.Up:
element.Disconnect(direction);
other.Disconnect(direction.OppositeDirection());
element.NeighbourUp = other;
other.NeighbourDown = element;
break;
default:
break;
}
}
public static void Disconnect(this IConnectedGridElement3D element, Direction direction)
{
var other = element.Neighbour(direction);
if (other == null)
{
return;
}
switch (direction)
{
case Direction.Left:
other.NeighbourRight = null;
element.NeighbourLeft = null;
break;
case Direction.Right:
other.NeighbourLeft = null;
element.NeighbourRight = null;
break;
case Direction.Back:
other.NeighbourFront = null;
element.NeighbourBack = null;
break;
case Direction.Front:
other.NeighbourFront = null;
element.NeighbourBack = null;
break;
case Direction.Down:
other.NeighbourUp = null;
element.NeighbourDown = null;
break;
case Direction.Up:
other.NeighbourDown = null;
element.NeighbourUp = null;
break;
default:
break;
}
}