Bullet.cs

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

public class Bullet : MonoBehaviour
{
    public float speed = 20f;
    public Rigidbody2D rb;
    private static bool facingright; //facing right? reference to playerinput
    float constantspeed = 20f;
    int shurikenDamage = 15;
    // Start is called before the first frame update
    void Start()
    {
 
		
	}

    void Update ()
    {
        facingright = PlayerInput.m_FacingRight;

        if (facingright == true)
        {
            rb.velocity = transform.right * constantspeed;

        }

        if (facingright == false )
        {
            rb.velocity = -transform.right * constantspeed;

        }
    }

    private void OnTriggerEnter2D(Collider2D other)
    {
        if( other.gameObject.CompareTag("Enemy"))
        {
            Destroy(gameObject);

        }
        if (other.gameObject.CompareTag("Wall"))
        {
            Destroy(gameObject);
        }
        if (other.gameObject.CompareTag("Box"))
        {
            Destroy(other.gameObject);
        }


    }


}