Why does my enemies' movement change whenever my player moves toward and away from the enemies' current position?

Question

Whenever I stand still, the enemy starts moving toward me, but whenever I start moving toward it, it starts moving away, and when I move away from the enemies' position, it starts moving more quickly toward my position.

 var Enemy : GameObject;
 
 var Player : GameObject;
 
 var Range : float;
 
 var MaxRange : float;
 
 var Speed : float;
 
 
 function Start () 
 {
 
     Enemy = GameObject.FindGameObjectWithTag("Enemy");
 
     Player = GameObject.FindGameObjectWithTag("Player");
 
 
 }
 
 function Update () 
 {
 
     Range = Vector2.Distance (Enemy.transform.position, Player.transform.position);
 
     if (Range <= MaxRange) 
     {
         transform.Translate(Vector2.MoveTowards (Enemy.transform.position, Player.transform.position, MaxRange) * Speed * Time.deltaTime);
     }
 }

Answer 1

Best Answer

Answer by robertbu · Apr 22, 2014 at 04:46 PM

I assume this is your script on the enemy? It is strange to do a FingGameObjectWithTag() to find the game object this script is attached to. The real problem here is your use of Translate(). Translate() movements are relative, and, by default, they are local. Your MoveTowards() is using world positions. The typical use of MoveTowards() would be

 transform.positon = Vector2.MoveTowards (transform.position, Player.transform.position, Speed * Time.deltaTime);

'Note that I've removed your 'MaxRange'. Speed will be Units per second.

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fr0stk1ller · Apr 23, 2014 at 02:42 PM 0

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Thank You so much! Can you help me create a limit to how close the enemy can get to my player?

robertbu · Apr 23, 2014 at 04:19 PM 0

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There is a simple fix that causes and immediate stop. Create a MinRange variable and change line 27 to:

 if (Range <= MaxRange && Range >= MinRange)

If you need something more complex, open a new question please. Typically new issues should be asked as new question to keep the Q and A clean for people searching out answers on Unity Answers.

Why does my enemies' movement change whenever my player moves toward and away from the enemies' current position?

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