using UnityEngine;
using System.Collections;

public class BallScript : MonoBehaviour {
    private bool ballsActive;
    private Vector3 ballPosition;
    private Vector2 ballInitialForce;
    public GameObject playerObject;
    
    void Start () {
  ballInitialForce = new Vector2 (100.0f, 300.0f);
  ballsActive = false;
  ballPosition = transform.position;
    
    }
    
    
    void Update () {
  if (Input.GetButtonDown ("Jump") == true) {
   if (!ballsActive) {
    GetComponent<Rigidbody2D>().isKinematic = false;

    GetComponent<Rigidbody2D>().AddForce (ballInitialForce);
    ballsActive = !ballsActive;
   }
  }
  if (!ballsActive && playerObject != null) {
   ballPosition.x = playerObject.transform.position.x;
   transform.position = ballPosition;
  }

  if (ballsActive && transform.position.y < -6) {
   ballsActive = !ballsActive;
   ballPosition.x = playerObject.transform.position.x;
   ballPosition.y = playerObject.transform.position.y+1;
   transform.position = ballPosition;
   GetComponent<Rigidbody2D>().isKinematic = true;
  }
    }
}

using UnityEngine;
using System.Collections;

public class BlockScript : MonoBehaviour {

    public int hitsToKill;
    public int points;
    private int numberOfHits;

    void Start () {
    
  numberOfHits = 0;
  hitsToKill = 2;
    }
    

    void Update () {
    
    }

    void OnCollisionEnter2D(Collision2D collision){
  if (collision.gameObject.tag == "Ball") {
   numberOfHits++;

   if (numberOfHits == hitsToKill) {
    Destroy (this.gameObject);
   }
  }
    }
}

using UnityEngine;
using System.Collections;

public class PlayerScript : MonoBehaviour {
    public float playerVelocity;
    public float boundary;
    private Vector3 playerPosition;

    // Use this for initialization
    void Start () {
  playerVelocity = 0.3f;
  boundary = 5.65f;
  playerPosition = gameObject.transform.position;

    }

    // Update is called once per frame
    void Update () {
  playerPosition.x += Input.GetAxis ("Horizontal") * playerVelocity;

  if (Input.GetKeyDown (KeyCode.Escape)) {
   Application.Quit();
  }

  transform.position = playerPosition;

  if (playerPosition.x < -boundary) {
   playerPosition = new Vector3 (-boundary, playerPosition.y, playerPosition.z);
   transform.position = playerPosition;
  }
  if (playerPosition.x > boundary) {
   playerPosition = new Vector3 (boundary, playerPosition.y, playerPosition.z);
   transform.position = playerPosition;
  }
    }
}