/////////////////////////////////////////////////////////// bullets  
for(auto Bullet = b.begin(); Bullet != b.end();)//обработка механики пули  
{  
   bool Collision = false;

   for(auto Enemy = e.begin(); Enemy != e.end();)  
   {
        if(Bullet->isCollision(*Enemy))  
        {  
         Enemy->Spawn(res);   
         Enemy->Destroy();
         e.erase(Enemy);  

         Bullet->Destroy();  
         Bullet = b.erase(Bullet);  

         Player::Score++;  

         Collision = true;
         break;
        }  
   }

   if (Collision == false) Bullet++;
  }