using UnityEngine;
using System.Collections;

public class Enemy : MonoBehaviour
{

      public Transform target;
      private NavMeshAgent agent;
      public Transform home;

      // Use this for initialization
      void Start()
      {
          agent = (NavMeshAgent)this.GetComponent("NavMeshAgent");
      }

      // Update is called once per frame
      void Update()
      {
          GameObject go = GameObject.FindGameObjectWithTag("Player");
          agent.SetDestination(target.position);

          if (Vector3.Distance(agent.transform.position, go.transform.position) < 50) //Пробовал так же использовать Vector2, толку ни какого не дало
          {
              target = go.transform;
              transform.LookAt(target);
          }

          else
          {
              target = home;
          }
      }
}

using UnityEngine;
using System.Collections;

public class Control : MonoBehaviour {

     public GameObject player;
     public float speed = 2f;
     public float jump = 1.5f;
     public bool jumping;

  // Use this for initialization
  void Start ()
     {
   
  }

     // Update is called once per frame

     void Update ()
     {
         if (Input.GetKey(KeyCode.A) || Input.GetKey(KeyCode.LeftArrow))
         {
             transform.Translate(Vector3.left * speed * Time.deltaTime, Space.Self);
         }

         else if (Input.GetKey(KeyCode.D) || Input.GetKey(KeyCode.RightArrow))
         {
             transform.Translate(Vector3.right * speed * Time.deltaTime, Space.Self);
         }

         if(Input.GetKey(KeyCode.W))
         {
             //rigidbody2D.AddForce(new Vector2(0f, jump)); - раньше работало
         }
   
  }
}

GetComponent<Rigidbody2D>().AddForce(new Vector2(0f, jump));

using UnityEngine;
using System.Collections;

public class controll : MonoBehaviour {

     public float speed = 0.001f;
     public int rotate = 2;

     void Update()
     {

         if (Input.GetKey(KeyCode.A) || Input.GetKey(KeyCode.LeftArrow))
         {
             transform.Rotate(new Vector3(0, -rotate, 0));
         }

         else if (Input.GetKey(KeyCode.D) || Input.GetKey(KeyCode.RightArrow))
         {
             transform.Rotate(new Vector3(0, rotate, 0));
         }

         if (Input.GetKey(KeyCode.W) || Input.GetKey(KeyCode.UpArrow))
         {
             transform.Translate(new Vector3(0, 0, -speed / 4));
         }

         else if (Input.GetKey(KeyCode.S) || Input.GetKey(KeyCode.DownArrow))
         {
             transform.Translate(new Vector3(0, 0, speed/4));
         }
          

     }
}

using UnityEngine;
using System.Collections;

public class Generate : MonoBehaviour {

     public GameObject rock;
     public int score = 0;
         
     void Start ()     
     {
      InvokeRepeating("CreateRock", 1f, 1.5f);
     }
         
     void OnGUI()
     {
      GUI.color = Color.black;
      GUILayout.Label(" Score: " +score.ToString());
     }

     void CreateRock ()     
     {
      Instantiate(rock);
      Destroy(rock, 5); //Эту строчку я добавил
      score++;
     }
}

void OnCollisionEnter(Collision *объект*)