[OnTriggerEnter] #CSharp

OnTriggerEnter

// vim: syntax=CSharp

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

public class Collectible : MonoBehaviour
{

    // add points
    // add powerup ability...

    private void OnTriggerEnter(Collider other)
    {
        if (other.tag == "Player")
        {
            Destroy(this.gameObject);
        }
    }

}