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Question by rOBY GAMES · Apr 11, 2014 at 07:37 PM · 2dplayerenemyjumplook

Enemy follows the only player in rotation

2d game. My enemy is following me right and left, but when I jump, the enemy turns to me. I would like to jump when the enemy stands still while they are not looking up. How can I fix?

Script that I'm using.

 using UnityEngine;
 using System.Collections;
  
 public class EnemyAI : MonoBehaviour {
  
     public Transform target;//set target from inspector instead of looking in Update
     public float speed = 3f;
  
  
     void Start () {
  
     }
  
     void Update(){
  
        //rotate to look at the player
        transform.LookAt(target.transform.position);
        transform.Rotate(new Vector3(0,-90,0),Space.Self);//correcting the original rotation
  }
 }
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Answer by AlucardJay · Apr 12, 2014 at 10:42 AM

Personally I would create a look position that uses the enemy Y instead of the target Y :

 Vector3 tgtPos = new Vector3( player.transform.position.x, transform.position.y, player.transform.position.z );
 transform.LookAt( tgtPos );

You may need a modifier on the transform.position.y depending on where the pivot of the enemy is, eg :

 Vector3 tgtPos = new Vector3( player.transform.position.x, transform.position.y + offsetY, player.transform.position.z );
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Answer by Paulo-Henrique025 · Apr 11, 2014 at 09:33 PM

You can hard set the rotation:

 transform.LookAt(player.transform);
 Vector3 rot = transform.rotation;
 rot.z = 0;
 transform.rotation = Quaternion.Euler(rot);

Set to 0 the axis that you do not want to move and then assign the Vector3 to the rotation.

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avatar image rOBY GAMES · Apr 12, 2014 at 10:19 AM 0
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Thank you for responding. I inserted the code into void Update replacing the old, gives me a errrore player, can you give me some advice?

avatar image AlucardJay · Apr 12, 2014 at 10:38 AM 1
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A rotation is a Quaternion, not a Vector3.

I think you mean :

 transform.LookAt(player.transform);
 Quaternion rot = transform.rotation;
 rot.eulerAngles.z = 0;
 transform.rotation = rot;
avatar image Paulo-Henrique025 · Apr 13, 2014 at 02:57 PM 0
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 Vector3 rot = Quaternion.Euler(transform.rotation)

Forgot to get the Vector3 from the rotation, thank you for pointing out.

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