AIRFLY/Assets/bigbangmove.cs

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

public class bigbangmove : MonoBehaviour {
    public float Speed;
    public GameObject explode;

    // Use this for initialization
    void Start () {
        explode = Resources.Load<GameObject>("Prefabs/Explode");

    }

    // Update is called once per frame
    void Update () {
        transform.Translate(Vector3.up*Speed*Time.deltaTime);
	}
    private void OnTriggerEnter(Collider other)
    {
        if (other.tag=="stone")
        {
            GameObject go = Instantiate(explode);
            go.transform.position = other.transform.position;
            Destroy(other.gameObject);
            ScoreManager.instance.Score+=10;
        }
    }
}