Need help syntax error

using UnityEngine; using System.Collections;

public class zaidejoataka : MonoBehaviour { public GameObject taikinys; public float puolimolaikas; public float pailseti; // Use this for initialization void Start () { puolimolaikas = 0; pailseti = 2.0f; } // Update is called once per frame void Update () { if(puolimolaikas > 0) puolimolaikas -= Time.deltaTime; if(puolimolaikas < 0) puolimolaikas = 0; if(Input.GetKeyUp(KeyCode.F)){ if(puolimolaikas == 0) { pulti(); puolimolaikas = pailseti; } } } private void pulti(){ float atstumas = Vector3.Distance(taikinys.transform.position, transform.position); Vector3 dir = (taikinys.transform.position - transform.position).normalized; float kryptis = Vector3.Dot(dir, transform.forward); Debug.Log(kryptis); if(atstumas< 4f){ if(kryptis > 0) { priesogyvybes eh = (priesogyvybes)taikinys.GetComponent("priesogyvybes"); eh.pridetiyramosgyvybes(-10); } } } }

ERROR NullReferenceException: Object reference not set to an instance of an object priesoataka.pulti () (at Assets/skriptai/priesoataka.cs:38) priesoataka.Update () (at Assets/skriptai/priesoataka.cs:24)

using UnityEngine; using System.Collections;

public class PriesoAI : MonoBehaviour { public Transform taikinys; public int judesiogreitis; public int rotationgreitis;

// Use this for initialization void Start () { GameObject go = GameObject.FindGameObjectWithTag("zaidejas"); taikinys = go.transform; }

// Update is called once per frame void Update () { Debug.DrawLine(taikinys.position, transform.position, Color.yellow); //ziureti i taikini transform.rotation = Quaternion.Slerp(transform.rotation, Quaternion.LookRotation(taikinys.position - transform.position), rotationgreitis * Time.deltaTime);

/// kazkas transform.position += transform.forward judesiogreitis Time.deltaTime; } }

error NullReferenceException PriesoAI.Start () (at Assets/skriptai/PriesoAI.cs:12)

please fixed