using System;
using UnityEngine;

namespace UnityStandardAssets.Characters.ThirdPerson
{
    [RequireComponent(typeof (NavMeshAgent))]
    [RequireComponent(typeof (ThirdPersonCharacter))]
    public class AICharacterControl : MonoBehaviour
    {
        public NavMeshAgent agent { get; private set; }             // the navmesh agent required for the path finding
        public ThirdPersonCharacter character { get; private set; } // the character we are controlling
        public Transform target;                    // target to aim for

        private void Start()
        {
            // get the components on the object we need ( should not be null due to require component so no need to check )
            agent = GetComponentInChildren<NavMeshAgent>();
            character = GetComponent<ThirdPersonCharacter>();

         agent.updateRotation = false;
         agent.updatePosition = true;
        }

        private void Update()
        {
            if (target != null)
                agent.SetDestination(target.position);

            if (agent.remainingDistance > agent.stoppingDistance)
                character.Move(agent.desiredVelocity, false, false);
            else
                character.Move(Vector3.zero, false, false);
            
        }

        public void SetTarget(Transform target)
        {
            this.target = target;
        }
    }
}

using UnityEngine;
using System.Collections;

public class gun : MonoBehaviour {
    
    public Transform amm;
    public GameObject point;
    public int speedAmm = 800;
    

    
    // Use this for initialization
    void Start () {
    
    }
    
    // Update is called once per frame
    void Update () {

  
    if(Input.GetKeyDown(KeyCode.Mouse0)){
   Transform g = (Transform)Instantiate(amm, transform.position, transform.rotation);
   g.rigidbody.AddForce(transform.forward*speedAmm);
   point.GetComponent<Light>().enabled = true;
  }
  if(Input.GetKeyUp(KeyCode.Mouse0)){
   point.GetComponent<Light>().enabled = false;
  }
    }
}

g.rigidbody.AddForce(transform.forward*speedAmm);

g.rigidbody.AddForce(Vector3.forward*speedAmm);