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));