How do I make an Enemy Sprite Change Direction after a Timer <= 0?

What I would like for this enemy sprite to do is to move side to side on the x axis until the player destroys said enemy. I have the timer and resetting it figured out but can't quite figure out how to change the directional movement once it does reach 0. I know I need a variable or a bool but all I've been able to do is make it drift in one direction or I get stuck with errors

Help would be appreciated

and the code that I have a the moment

{

1. public float speed = 3f;
2. public float resetTimer = 3f;
3. public float timer = 3f;
4. void Update (){
5. timer -= Time.deltaTime;
6. if (timer <= 0) {
7. Debug.Log ("turn");
9. timer = resetTimer;
10. }
11. transform.position += Vector3.right * speed * Time.deltaTime;
12. }

 

The simplest way to do it would be to make your X scale of your object -1. As for moving the opposite direction, you'll have to set a bool variable when the turn happens, and test that bool to decide whether to use Vector3.right or Vector3.left.

 

@Derekloffin

I should have mentioned this in first post, I am very much a beginner to programming

Could you sus out what you mean by x scale value -1? I'm not sure I'm understanding that

For the direction, I set a bool direct = true but now I don't know how to set a vector3 to direct (unless direct can be put in a float with vector3.right/left)

Code (csharp):

1.  
2.     bool direct = true;
3.     public float speed = 3f;
4.     public float resetTimer = 3f;
5.     public float timer = 3f;
6.  
7.  
8.     void Update (){
9.         timer -= Time.deltaTime;
10.  
11.         if (timer <= 0) {
12.             Debug.Log ("turn");
13.            
14.             timer = resetTimer;
15.  
16.         }
17.         if (direct) {
18.             transform.position += Vector3.right * speed * Time.deltaTime;
19.         }
20.     }
21.  
22.     void turn(){
23.         if (timer <= 0 && direct) {
24.             direct = false;
25.         } else {
26.             direct = true;
27.         }
28.     }
29. [CODE]
30.  
31. apologies for the code being formatted poorly last time and hope it is more readable this time around

 

They're saying you can set the x-value of the object's Transform.localScale property to a negative number in order to flip its sprite in the other direction. You can then set it back to a positive number to flip back towards its original direction.

With that in mind, you can simply multiply the x-scale of the object by -1 to flip it back and forth:

Code (CSharp):

1. void Flip() {
2.    Vector3 scale = transform.localScale;
3.    transform.localScale = new Vector3(scale.x * -1, scale.y, scale.z);
4. }

See using code tags for posting readable code on the forums.

 

You could also access the sprite renderer and use flipX.
https://docs.unity3d.com/ScriptReference/SpriteRenderer-flipX.html

 

Thank you for the help

this is how it turned out

Code (csharp):

1.  
2.     public float speed = 3f;
3.     public float resetTimer = 3f;
4.     public float timer = 3f;
5.     public float maxRot = 0f;
6.     Vector3 direction = Vector3.right;
7.  
8.     public void Start(){
9.    
10.     }
11.        
12.     public void Update (){
13.  
14.         Vector3 drift = transform.position;
15.  
16.         drift += direction * speed * Time.deltaTime;
17.  
18.         transform.position = drift;
19.  
20.         transform.Rotate (0, 0, maxRot);
21.  
22.         if (timer > 0) {
23.             timer -= Time.deltaTime;
24.  
25.         } else {
26.             Debug.Log ("turn");
27.  
28.             timer = resetTimer;
29.  
30.             if (direction == Vector3.right) {
31.  
32.                 direction = Vector3.left;
33.            
34.             } else {
35.            
36.                 direction = Vector3.right;
37.            
38.             }
39.        
40.         }
41.     }
42. }