Scripts en C# Unity definitivos para disparar y para que te disparen los enemigos.;

Este para que un enemigo dispare al player.

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

public class disparo : MonoBehaviour {

    public Transform player;

    public float range = 4f;
    public float bulletImpulse = 0.1f;

    private bool onRange = false;

    public Rigidbody projectile;

    void Start()
    {
        float rand = Random.Range(1.0f, 2.0f);
        InvokeRepeating("Shoot", 2, rand);
    }

    void Shoot()
    {

        if (onRange)
        {

            Rigidbody bullet = (Rigidbody)Instantiate(projectile, transform.position + transform.forward, transform.rotation);
            bullet.AddForce(transform.forward * bulletImpulse, ForceMode.Impulse);

            Destroy(bullet.gameObject, 2);
        }


    }

    void Update()
    {

        onRange = Vector3.Distance(transform.position, player.position) < range;

        if (onRange)
            transform.LookAt(player);
    }


}

 

 

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Este para disparar el player 

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  using UnityEngine;
using System.Collections;

public class Launcher2 : MonoBehaviour
{

    public Rigidbody projectile;
    public Rigidbody explosiveProjectile;
    public float launchspeed = 50;
    public bool useExplodingProjectiles = false;

    private float _LaunchDelayTime = 0.0f;

    public int stackSize = 60;            
    public Transform launchHole1;
    public Transform launchHole2;

    private Stack _Projectiles;
    private Stack _ExplosiveProjectiles;
    private Transform _myTransform;

    // Use this for initialization
    void Start ()
    {
        _myTransform = transform;
        _Projectiles = new Stack();
        if(useExplodingProjectiles)
        {
            _ExplosiveProjectiles = new Stack();
        }

        for(int i = 0; i <  stackSize; i++)
        {
            Rigidbody tr = Instantiate (projectile, _myTransform.position, _myTransform.rotation) as Rigidbody;
            PushProjectile(tr);

            if(useExplodingProjectiles)
            {
                Rigidbody rr = Instantiate (explosiveProjectile, _myTransform.position, _myTransform.rotation) as Rigidbody;
                PushExplosiveProjectile(rr);
            }
        }
    }

    // Update is called once per frame
    void Update ()
    {
        if(_Projectiles.Count > 0)
        {
            if(Time.time > _LaunchDelayTime)
            {    






                //if (Input.GetKeyDown(KeyCode.Space))
                if (Input.GetKey (KeyCode.M)) /////////////////imbentadooooooooooooooooooooooooooooooooooooo
                //if (Input.GetButton ("Fire1")) ////ametralladora
                    //    if (Input.GetButtonDown ("Fire1")) original tiro a tiro




                {
                    Rigidbody tr = PopProjectile();
                    tr.gameObject.SetActive(true);
                    tr.transform.position = launchHole1.position;
                    tr.transform.rotation = launchHole1.rotation;
                    tr.velocity = transform.TransformDirection (Vector3.forward * launchspeed);

                    tr = PopProjectile();
                    tr.gameObject.SetActive(true);
                    tr.transform.position = launchHole2.position;
                    tr.transform.rotation = launchHole2.rotation;
                    tr.velocity = transform.TransformDirection (Vector3.forward * launchspeed);

                    _LaunchDelayTime = Time.time + 0.5f;
                }
            }    
        }

        if(useExplodingProjectiles)
        {
            if(_ExplosiveProjectiles.Count > 0)
            {
                if(Time.time > _LaunchDelayTime)
                {    
                    if (Input.GetButtonDown ("Fire2")) 
                    {
                        Rigidbody tr = PopExplosiveProjectile();
                        tr.gameObject.SetActive(true);
                        tr.transform.position = launchHole1.position;
                        tr.transform.rotation = launchHole1.rotation;
                        tr.velocity = transform.TransformDirection (Vector3.forward * launchspeed);

                        tr = PopExplosiveProjectile();
                        tr.gameObject.SetActive(true);
                        tr.transform.position = launchHole2.position;
                        tr.transform.rotation = launchHole2.rotation;
                        tr.velocity = transform.TransformDirection (Vector3.forward * launchspeed);

                        _LaunchDelayTime = Time.time + 0.5f;
                    }
                }    
            }
        }
    }

    public void PushProjectile(Rigidbody x)
    {
        x.gameObject.SetActive(false);
        _Projectiles.Push(x);
    }

    public Rigidbody PopProjectile()
    {
        return (Rigidbody)_Projectiles.Pop();
    }

    public void PushExplosiveProjectile(Rigidbody x)
    {
        x.gameObject.SetActive(false);
        _ExplosiveProjectiles.Push(x);
    }

    public Rigidbody PopExplosiveProjectile()
    {
        return (Rigidbody)_ExplosiveProjectiles.Pop();
    }
}

 

 

 Aqui enlace donde aprendi que enmigos  disparen a Player (protagonista de posible videojuego) hace años buscaba una solucion buena.

https://futbolstudiohistorietas.com/unity-parte-4-enemigos-disparan/