test.js

#pragma strict

var damage = 20;
var vel = Vector2(0,10);
var boom : AudioClip;

function Start () {
	rigidbody2D.velocity = vel;
}

function Update () {
	
}

function OnCollisionEnter2D(col : Collision2D){
	
	
	var target = col.gameObject.GetComponent(IDamagable);
	
	if(target){
	    Destroy(collider);
	    renderer.enabled = false;
		target.Damage(30.0);
		audio.PlayOneShot(boom);
	}
	Invoke("Nuke", boom.length);
}

function Nuke(){ Destroy(gameObject); }