Question by unity_1806618 · Dec 02, 2018 at 10:16 PM · 2d collision destroy objects

Help with collisions not working for no apparent reason??

I have 2 objects in my game, an invader and a spaceship. I have managed to code it so that when my player fires a bullet at an invader they will die and a visual effect is played, also when the player is touched by an invader, they lose a life and a sound effect is played but I cannot get the invader itself to be destroyed.

Here is my code for when the invader is destroyed by the spaceship firing a bullet:

 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
 
 public class Enemy : MonoBehaviour {
 
 
     public int health = 100;
 
     public GameObject deathEffect;
 
 
     void Die()
     {
         Instantiate(deathEffect, transform.position, Quaternion.identity);
         Destroy(gameObject);
         FindObjectOfType<AudioManager>().Play("Impact");
     }
 
     int direction = -1; //int direction where 0 is stay, 1 up, -1 down
     int top = 3;
 
     float speed = 1;
 
     public object GameController { get; private set; }
 
     void Update()
     {
         if (transform.position.y >= top)
             direction = -1;
 
         transform.Translate(0, speed * direction * Time.deltaTime, 0);
     }
 
     public void TakeDamage(int damage)
     {
         health -= damage;
 
         if (health <= 0)
         {
             Die();
         }
 
     }
 
 }

Here is the code for the player losing a life when they are touched:

 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
 
 public class CollisionScript : MonoBehaviour
 {
 
     public AudioSource LostLife;
     public GameObject deathEffect;
 
     void Start()
     {
         LostLife = GetComponent<AudioSource>();
     }
 
     void OnTriggerEnter2D (Collider2D col)
     {
         if (col.gameObject.tag == "Player")
         {
             GameObject.Find("GameControl").GetComponent<GameController>().lives -= 1;
             LostLife.Play();
         }
 
 
     }
 
 
 }

And this is the code I am trying to implement into the first chunk of code to destroy the invader

 void OnCollisionEnter2D(Collision2D col){
         Debug.Log("Collision");
         if(col.gameObject.tag == "Spaceship")
         {
             Destroy(gameObject);
         }
 
     }

I have also tried using

 void OnCollisionEnter2D(Collision2D col){
         Debug.Log("Collision");
         if(col.gameObject.tag == "Spaceship")
         {
             Die();
         }
 
     }

But to no avail.

Thank you for any replies.

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