private static Ant TurnAndMove(Ant ant, TurnDirection dir)
{
AntCoordinates newCoordinates = new AntCoordinates(ant.coord.X, ant.coord.Y);
if (dir == TurnDirection.Clockwise)
{
switch (ant.facing)
{
case Facing.North:
{
newCoordinates.X = ant.coord.X + 1;
newCoordinates = CheckBounds(newCoordinates, _canvasSize);
ant.facing = Facing.East;
break;
}
case Facing.East:
{
newCoordinates.Y = ant.coord.Y + 1;
newCoordinates = CheckBounds(newCoordinates, _canvasSize);
ant.facing = Facing.South;
break;
}
case Facing.South:
{
newCoordinates.X = ant.coord.X - 1;
newCoordinates = CheckBounds(newCoordinates, _canvasSize);
ant.facing = Facing.West;
break;
}
case Facing.West:
{
newCoordinates.Y = ant.coord.Y - 1;
newCoordinates = CheckBounds(newCoordinates, _canvasSize);
ant.facing = Facing.North;
break;
}
}
}
else
{
switch (ant.facing)
{
case Facing.North:
{
newCoordinates.X = ant.coord.X - 1;
newCoordinates = CheckBounds(newCoordinates, _canvasSize);
ant.facing = Facing.West;
break;
}
case Facing.East:
{
newCoordinates.Y = ant.coord.Y - 1;
newCoordinates = CheckBounds(newCoordinates, _canvasSize);
ant.facing = Facing.North;
break;
}
case Facing.South:
{
newCoordinates.X = ant.coord.X + 1;
newCoordinates = CheckBounds(newCoordinates, _canvasSize);
ant.facing = Facing.East;
break;
}
case Facing.West:
{
newCoordinates.Y = ant.coord.Y + 1;
newCoordinates = CheckBounds(newCoordinates, _canvasSize);
ant.facing = Facing.South;
break;
}
}
}
ant.coord = newCoordinates;
return(ant);
}