using UnityEngine;
using System.Collections;

public class ZRENIE : MonoBehaviour {
   
  public bool VIDIT;
  public bool otschet;//показатель того, что пошел отсчёт времени после исчезновения цели
  public Transform target;
  public float time_ISCHEZ;
   
  void OnTriggerStay(Collider other) {
   if (other.gameObject.name != "IGROK")
    return;
    
   var layerMask = 1 << 9 | 1 << 8;
    
   if (other.gameObject.name == "IGROK" && !Physics.Linecast (transform.position, target.position, layerMask))
   {              
    VIDIT = true;
    otschet = false;  
   }
     
  }
   
  void OnTriggerExit(Collider other) {
    
   if (other.gameObject.name == "IGROK" && !otschet)
     
    time_ISCHEZ = Time.time;
   otschet = true;  
  }
   
  public void Update () {
   if (otschet && Time.time - time_ISCHEZ > 2) //если текущее время больше записанного на 2
   {
    VIDIT = false;
    otschet = false;
   }
  }
    
}

using UnityEngine;     
    using System.Collections;    

    public class SwitchCamera : MonoBehaviour {     
        public Camera camera1;     
        public Camera camera2;     

       public float t;

        void Start()     
        {     
           camera1.enabled = true;//Aee??ai (ii noaiaa?oo).     
           camera2.enabled = false; //Ioee??ai     
        }     
        void Update ()         
        {         
           
       if(t>0){
      t -= Time.deltaTime;
}     
      if(t<0){
      camera2.enabled = !camera2.enabled;    
      camera1.enabled = !camera1.enabled;    
       t = 0;
      }
      if(Input.GetKeyUp("f"))  {     
               t = 3;    
           }     
        }     
    }

public int aCount;

if (Input.GetKeyDown(KeyCode.Space)) {
     if (aCount > 1)
         aCount = 0;
     switch (aCount) {
         case 0:
             //play anim1
             break;
         case 1:
             //play anim2
             break;
         default:
             break;
     }
     aCount ++;
}