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Question by barney_san · May 05, 2017 at 04:20 PM · destroycollision detectiononcollisionentercollision2d

My collision is not being detected or does not produce the desired outcome.

I want to detect a collision between two gameObjects: "JoaoBola" and "Spikes", and, once detected, I want to destroy the gameObject "JoaoBola". In order to do so, I attached the following script to JoaoBola:

 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
 
 public class DeathBySpikes : MonoBehaviour {
 
     void OnCollisionEnter (Collision col) {
         if(col.gameObject.name == "Spikes") {
             Destroy (gameObject);
         }
     }
 }

But it is not working. JoaoBola does collide with Spikes but it does not "die". I do not understand why I am not getting the expected behavior. Useful informations: Both JoaoBola and Spikes have a rigidbody2D and a collider. JoaoBola is dynamic and Spikes is kinematic.

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Answer by MrCrumbl3d · May 05, 2017 at 04:23 PM

Try this.

using System.Collections; using System.Collections.Generic; using UnityEngine;

public class DeathBySpikes : MonoBehaviour {

 public GameObject JoaoBola;
 
  void OnCollisionEnter (Collision col) {
      if(col.gameObject.name == "Spikes") {
          Destroy (JoaoBola);
      }
  }

}

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Answer by HelloTom · May 05, 2017 at 04:30 PM

If the gameobject is moving really fast then you might want to change the collision detection from discrete to continuous or continuous dynamic.

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