public void SendCollisionExit(BC_CollisionData col)
 {
     if (this.colExits != null)
     {
         for (int i = 0; i < this.colExits.Count; i++)
         {
             this.colExits[i].OnCollisionExit(col);
             EventListener.CollisionExit(col);                 // Invoke custom event
         }
     }
 }