private Robot Process(string instructions)
{
foreach (char instruction in instructions)
{
switch (instruction)
{
case '<':
{
_robot.DirectionOfMovement =
_directionChanger.GetDirection(_robot.DirectionOfMovement, Rotation.Anticlockwise);
break;
}
case '>':
{
_robot.DirectionOfMovement =
_directionChanger.GetDirection(_robot.DirectionOfMovement, Rotation.Clockwise);
break;
}
case '^':
{
switch (_robot.DirectionOfMovement)
{
case Direction.North:
{
_robot.y = _robot.y + 1;
break;
}
case Direction.South:
{
_robot.y = _robot.y - 1;
break;
}
case Direction.East:
{
_robot.x = _robot.x + 1;
break;
}
case Direction.West:
{
_robot.x = _robot.x - 1;
break;
}
}
break;
}
}
}
return(_robot);
}
public void ChangeDirection(IDirectionChanger directionChanger)
{
Vector2 directionVector = (Vector2)transform.position - directionChanger.GetPosition();
float angle = Vector2.SignedAngle(directionVector, Vector2.up);
float roundedAngle = Mathf.Round(angle / 90f) * 90f;
//older solution for only one DirectionChanger
// float directionalAngle = Vector2.SignedAngle(-direction, positionVector);
// float orthogonalAngle = (directionalAngle > 0 ? 1 : -1) * 90f;
float orthogonalAngle = (directionChanger.GetDirection() == Direction.Right ? 1 : -1) * 90f;
if (Vector2.SignedAngle(direction, Vector2.up) % 180f == roundedAngle % 180f)
{
direction = Quaternion.AngleAxis(orthogonalAngle, Vector3.back) * direction;
}
else
{
direction = Quaternion.AngleAxis(roundedAngle, Vector3.back) * Vector2.up;
}
directionChanged = true;
}
