OnTriggerEnter2D not working! Please Help Me!,OnTriggerEnter2D is not working! Please help me!

Questions & Answers
1

In my game the character throws a rock at enemies, however the process of the rock colliding with the enemy does not seem to work. Please help me!

void OnTriggerEnter2D(Collision other)
{
    if(other.transform.tag == "Enemy")
    {
        Instantiate(Death, other.transform.position, other.transform.rotation);
        Destroy(other.gameObject);
        Debug.Log("collided");
    }
        Destroy(gameObject);
},In my game, I throw a rock and try to hit an enemy, however the collision detection between the rock and the enemy does not seem to work. Please help me!

void OnTriggerEnter2D(Collision other)
{
    if(other.transform.tag == "Enemy")
    {
        Instantiate(Death, other.transform.position, other.transform.rotation);
        Destroy(other.gameObject);
        Debug.Log("collided");
    }
        Destroy(gameObject);
}
2

OnTriggerEnter2D uses ‘Collider2D’ not ‘Collision’

if you change your script to this it should work:

void OnTriggerEnter2D(Collider2D other)
 {
     if(other.gameObject.tag == "Enemy")
     {
         Instantiate(Death, other.transform.position, other.transform.rotation);
         Destroy(other.gameObject);
         Debug.Log("collided");
     }
         Destroy(gameObject);
 }
3

The rock now doesn’t seem to fire - I don’t know why.

public Transform firePoint;
public GameObject rock;
if (Input.GetKeyDown(KeyCode.LeftShift))
{
Instantiate(rock, firePoint.position, firePoint.rotation);
}
public float speed;
public Movement player;
public GameObject Death;

// Use this for initialization
void Start () {
    Rigidbody2D rigidbody2D = GetComponent<Rigidbody2D>();
    player = FindObjectOfType<Movement>();

    if(player.transform.localScale.x < 0)
    {
        speed = -speed;
    }
}

// Update is called once per frame
void Update () {

    GetComponent<Rigidbody2D>().velocity = new Vector2(speed, GetComponent<Rigidbody2D>().velocity.y);
}

void OnTriggerEnter2D(Collider2D other)
{
    if(other.gameObject.tag == "Enemy")
    {
        Instantiate(Death, other.transform.position, other.transform.rotation);
        Destroy(other.gameObject);
        Debug.Log("collided");
    }
        Destroy(gameObject);
}

Now the problem is not so much the collision detection, but the actual firing of the rock. BTW thanks for the help.
@lawrence-parry