using UnityEngine;
  using System.Collections;
  
  public class GameManager : MonoBehaviour {
  
      public static GameManager SP;
  
      private ArrayList objectsList;
      private float moveSpeed = 1.5f;
      private int spawnedObjects = 0;
      private int score;
  
          void Awake () {
          SP = this;
  
          objectsList = new ArrayList();
          spawnedObjects = score =0;
          }
  
      void Update()
      {
          //Move objects
          for (int i = objectsList.Count - 1; i >= 0; i--)
          {
              float farLeft = -10;
              float farRight = 10;
  
              MovingObject movObj = (MovingObject)objectsList[i];
              Transform trans = movObj.transform;
              trans.Translate((int)movObj.direction * Time.deltaTime * moveSpeed, 0, 0);
              if (trans.position.x < farLeft || trans.position.x > farRight)
              {
                  Destroy(trans.gameObject);
                  objectsList.Remove(movObj);
              }
          }
      }
  
      void OnGUI(){
          if(GUILayout.Button("Restart")){
              Application.LoadLevel(Application.loadedLevel);
          }
          GUILayout.Label(" Hit: " + score + "/" + spawnedObjects);
      }
  
      public void AddTarget(MovingObject newObj){
          spawnedObjects++;
          objectsList.Add(newObj);
      }
  
      public bool RemoveObject(Transform trans)
      {
          
          foreach (MovingObject obj in objectsList)
          {
              if (obj.transform == trans)
              {
                  score++;
                  objectsList.Remove(obj);
                  Destroy(obj.transform.gameObject); 
                  return true; 
              }
          }
          Debug.LogError("ERROR: Couldn't find target!");
          return false;
      }
  
  }