change animation to make character face a waypoint.

Hi.

I'm making a point and click game in 2D. My player is a sprite and has a different animation for walking north, east, south and west. The player checks each Update to see if there is a waypoint in the queue. If there is, he walks toward it. On reaching the destination the waypoint is deleted and he starts moving to the next one.

I'm struggling with determining which direction he is facing, so that I can change his animation. My initial thoughts were to determine the distance to the next waypoint on the X & Y. If X is greater than Y the character should walk horizontally, and if X > 0 he's moving east, X < 0 would be west etc.

The code I have does change the animation, but the player stutters and moonwalks like the ghost of Michael Jackson, so my logic is clearly incorrect.

This is the snippet I have so far:

 case State.Walking:
                 Debug.Log(playerState);
 
                 //**DETERMINE DIRECTION OF SPRITESHEET, (N,E,S,W)
                 float distX = transform.position.x - wayPoints[0].x;
                 float distY = transform.position.y - wayPoints[0].y;
 
                 //East
                 if (distX > distY && distX >= 0)
                 {
                     animator.SetTrigger("walkEastWest");
                     sr.flipX = true;
                 }
 
                 //West
                 if (distX > distY && distX < 0)
                 {
                     animator.SetTrigger("walkEastWest");
                     sr.flipX = false;
                 }
 
                 //North
                 if (distX < distY && distY >= 0)
                 {
                     animator.SetTrigger("walkUp");
                 }
 
                 //South
                 if (distX < distY && distY < 0)
                 {
                     animator.SetTrigger("walkDown");
                 }
 
                 //**ANIMATE THE POSITION, SET AND REMOVE WAYPOINTS ETC
                 if (transform.position != destination) {
                     transform.position = Vector3.MoveTowards(transform.position, destination, step);
                 }
 
                 if (transform.position == destination) {
                     wayPoints.RemoveAt(0);
 
                     if (wayPoints.Count > 0){
                         destination = wayPoints[0];
                         //measure distance/direction
                     }
 
                     if (wayPoints.Count <= 0) {
                         playerState = State.Idle;
                     }
                 }
                 r.material.color = Color.red;
                 break;

I'm happy to post any further code/info needed to sort this out.

Thanks

Dan