got trouble:object reference not set to a instance of an object

Questions & Answers
1

using UnityEngine;
using System.Collections;

public class shoot : MonoBehaviour {
	public Rigidbody2D bullet;
	public float shoot_interval=0.3f;
	float cur_interval ;
	// Use this for initialization
	void Start () {
		cur_interval = 0;
	}
	
	// Update is called once per frame
	void Update () {
	  if (Input.GetKey (KeyCode.H)) {
			cur_interval -= Time.deltaTime;
			if(cur_interval<0){
				cur_interval = shoot_interval;
			    Rigidbody bul = Instantiate(bullet,transform.position,transform.rotation) as Rigidbody;
				if(this.GetComponentInParent<playerControl>().faceright==false){
					//Debug.Log("left");
					Vector3 vec= new Vector3(-1*transform.localScale.x,transform.localScale.y,transform.localScale.z);
					bul.transform.localScale = vec;
				}
				else{
					//Debug.Log("right");
				}
			}	
		}

	}
}

When I press H I want to create a bullet which is a prefab, and I’ve already drag it to the inspector
The error shows up at the line “bul.transform.localScale = vec;” and I don’t know why. Any body help?
How should I change my code?(the if-else sentence is used to change the direction of the bullet. I can initiate the bullets but can not change the direction of the bullet because of this error.)

2

i found the problem,
Rigidbody bul = Instantiate(bullet,transform.position,transform.rotation) as Rigidbody; should be changed to Rigidbody2D bul = Instantiate(bullet,transform.position,transform.rotation) as Rigidbody2D;
:slight_smile: