OnTriggerEnter not working?

Unity Engine
1

Hi,

I try to make interaction between player and enemy so I use On Trigger Enter. It’s not working and here a debug code:

void OnTriggerEnter(Collider other){
        if(other.tag == "Player"){
            Debug.Log ("Die");
        }
    }

Both Object player and enemy has Collider attached. Enemy object also has Trigger selected.

I have no idea what causing it not to work. I’m working on 2D project. It used to work on 3D project.
Additionally, On Collision Enter also not working. I ran out of idea that why I come here.

2

What happens when you remove the “if” criteria? Does anything collide with it? Also on the Collider, have you ticked “Is Trigger”?

3

Have you added Rigidbody to the object where you have the collision detection script?