hey im trying to rotate a sprite (my player ship) towards a angle given by the controller

current code

if(Angle < WantedAngle-2)

         Angle += MyShip.TurnSpeed;

else if(Angle > WantedAngle+2)

         Angle -= MyShip.TurnSpeed;

this works as long as the angle is -90 to 90 (right is 0`) but if the angle is at 179 and wants to go to -170 instead of just going over it goes all the way around and i cant think of the code to fix it.

by the way my angles are in degrees from -180(left) to 180(left) with 0 on the right -90 on the top and 90 on the bottem

thanks in advance

another way of doing it is based on the techniques used in inverse kinematics

Vector3 travel = new Vector3((float)Math.Cos(rotation), (float)Math.Sin(rotation), 0.0f);
Vector3 desired = new Vector3((float)Math.Cos(targetdir), (float)Math.Sin(targetdir), 0.0f);
travel.Normalize();
desired.Normalize();
Vector3 turn=Vector3.Cross(travel, desired);

 if (turn.Z < 0)
 {
      turndir = -1.0f;
  }
  else
  {
      turndir = 1.0f;
   }

You could also test for == 0

And the arccos of the dot product of the vectors is the angle between the vectors.

force of habit.