using UnityEngine;
using System.Collections;

public class CameraFollow2D : MonoBehaviour {

    public float damping = 1.5f;
    public Vector2 offset = new Vector2(2f, 1f);
    public bool faceLeft;
    private Transform player;
    private int lastX;

    void Start ()
    {
  offset = new Vector2(Mathf.Abs(offset.x), offset.y);
  FindPlayer(faceLeft);
    }

    public void FindPlayer(bool playerFaceLeft)
    {
  player = GameObject.FindGameObjectWithTag("Player").transform;
  lastX = Mathf.RoundToInt(player.position.x);
  if(playerFaceLeft)
  {
   transform.position = new Vector3(player.position.x - offset.x, player.position.y + offset.y, transform.position.z);
  }
  else
  {
   transform.position = new Vector3(player.position.x + offset.x, player.position.y + offset.y, transform.position.z);
  }
    }

    void Update ()
    {
  if(player)
  {
   int currentX = Mathf.RoundToInt(player.position.x);
   if(currentX > lastX) faceLeft = false; else if(currentX < lastX) faceLeft = true;
   lastX = Mathf.RoundToInt(player.position.x);

   Vector3 target;
   if(faceLeft)
   {
    target = new Vector3(player.position.x - offset.x, player.position.y + offset.y, transform.position.z);
   }
   else
   {
    target = new Vector3(player.position.x + offset.x, player.position.y + offset.y, transform.position.z);
   }
   Vector3 currentPosition = Vector3.Lerp(transform.position, target, damping * Time.deltaTime);
   transform.position = currentPosition;
  }
    }
}

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

public class Player : MonoBehaviour {

    public int jump = 200;
    public int speed = 20;
    private Rigidbody2D rb;
    bool isGrounded;

    void Start () {
  rb = GetComponent <Rigidbody2D> ();
    }
    
    void Update () {

    //Жизни и смерти
  
    //Перемещение
  float moveX = Input.GetAxis("Horizontal");
        rb.velocity = new Vector2(moveX * speed, rb.velocity.y);

        if (Input.GetKeyDown(KeyCode.Space) && isGrounded == true){
         rb.AddForce(Vector2.up * jump, ForceMode2D.Impulse);
  }
    }

    void OnCollisionEnter2D (Collision2D collision){
        if(collision.gameObject.tag == "Groung")
         isGrounded = true;
        
    }

    void OnCollisionExit2D (Collision2D collision){
        if(collision.gameObject.tag == "Ground")
         isGrounded = false;
        
    }
}