killzone not detecting player

Question

I want an invisible cube that kills the player if the player touches it. the player runs on a player controller, using a script called walk.cs, has 3f health and the process used to lower said health is ddamage

I set the cube so it has no renderer, and added the trigger tag to the cube collider, but its not even printing "pão" like I asked it to, which means it isnt even detecting the collision

also, I have tried using OnControllerColliderHit, but it didnt work either

 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
 
 public class killzone : MonoBehaviour
 {
     void OnCollisionEnter(Collision col)
     {
         if(col.gameObject.tag == ("Player"))
         {
             print("pão");
             walk target = col.transform.GetComponent<walk>();
             target.ddamage(3f);
         }
     }
 }

Answer 1

Best Answer

Answer by tyruji · Jun 30, 2021 at 06:01 PM

OnCollision, as well as OnTrigger messages, are called by game objects with a rigidbody attached, respectively OnControllerColliderHit is called for game objects with a character controller. Make sure you have either and you'll be good.

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gouzarte · Jun 30, 2021 at 06:38 PM 0

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I tried using OnControllerColliderHit, since my player is based on a Character Controller, but no matter how many alterations I make, it doesnt seem to make a difference, and the player still isnt being detected.

 public class killzone : MonoBehaviour
 {
     void OnControllerColliderHit(ControllerColliderHit col)
     {
         if (col.gameObject.CompareTag("Player"))
         {
             print("pão");
             walk target = col.transform.GetComponent<walk>();
             target.ddamage(3f);
         }
     }
 }

tyruji · Jul 05, 2021 at 10:24 PM 0

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Aight, I'll repeat myself - OnControllerColliderHit will be called for game objects with a character controller attached. I assume your player has a character controller attached, your script will work if your killzone has a character controller on it as well. If your killzone is a cube or multiple cubes then you could use Physics.OverlapBox to get all colliders overlapping with your cubes. Something like that: private BoxCollider[] _boxColliders = null;

 private void Start()
 {
         _boxColliders = GetComponents<BoxCollider>();
 }
 private void Update()
 {
         Player player = null;
         foreach( var box in _boxColliders )
         {
                 foreach( var col in Physics.OverlapBox(transform.position +                 
                                                 box.center, box.size/2, transform.rotation) )
                 {
                         if( !col.gameObject.CompareTag("Player") ) return;
                         player = col.gameObject.GetComponent< Player >();
                 }
                 if( player != null ) break;
         }
         if( player == null ) return;
         player.Damage( 420 ); // do whatever you want
 }

Hope I helped somehow, good luck.

killzone not detecting player

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