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Question by NightmareApps · Jan 12, 2012 at 11:18 PM · movementtranslate

Moving a GameObject towards a CharacterController

Right now my GameObject (enemy) is moved towards the CharacterController (player) on each update in the C# script. I am using:

 transform.position = Vector3.MoveTowards(transform.position,character.transform.position, 0.03f);

This works, but my problem is that the update method is ignoring collision and causing the enemy to move inside of my player. Instead i want it to collide with the player, but not move inside of it.

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Answer by kalvinlyle · Jan 13, 2012 at 01:21 AM

I'd put that in a IF statement and set a flag for when it collides with the player in OnCollisionEnter

Something like ( Disclaimer: i have no idea if this code will run, just writing off the top of my head ):

 bool hitCharacter = false;
 GameObject character;

 void Start(){
    character = GameObject.FindObjectWithTag("Player"); //Get the player/target
 }

 void Update(){
    if(!hitCharacter)    //check to see if character is hit
       transform.position = Vector3.MoveTowards(transform.position,character.transform.position, 0.03f);  //move towards character
 }
 
 void OnCollisionEnter (Collider other){
    if(other == character)
       hitCharacter = true;
 }
 
 void OnCollisionStay (Collider other){
    //do something hit-y or damage-y
 }
     
 void OnCollisionExit (Collider other){
    if(other == character)
       hitCharacter = false;
 }
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