//walk is calculated based on selected direction, number of spaces, and pen action (up = no draw, down = to draw)
public void WalkX(Directions.TurtleDirections direction, int step)
{
if (ValidateMove(direction, step))
{
switch (direction)
{
case Directions.TurtleDirections.NORTH:
PositionX -= step;
break;
case Directions.TurtleDirections.SOUTH:
TurtleMovementArea.UpdateMovementAreaX(PositionX, step, +1, PositionY);
PositionX += step;
break;
}
}
}
public void WalkY(Directions.TurtleDirections direction, int step)
{
if (ValidateMove(direction, step))
{
switch (direction)
{
case Directions.TurtleDirections.EAST:
TurtleMovementArea.UpdateMovementAreaY(PositionY, step, +1, PositionX);
PositionY += step;
break;
case Directions.TurtleDirections.WEST:
TurtleMovementArea.UpdateMovementAreaY(PositionY, step, -1, PositionX);
PositionY -= step;
break;
}
}
}
public TurtleMove()
{
_turtle = new Turtle();
turtleMovementArea = new TurtleMovementArea();
_quit = false;
}