private void MoveToGrid() {
   prevRGrid.releaseGrid();
   gridToAcquire.acquireGrid();
   if (gridToAcquire.direction == Direction.none) {
     timer.schedule(
         new TimerTask() {
           public void run() {
             isMoving.release();
           }
         },
         300);
     try {
       isMoving.acquire();
     } catch (Exception e) {
     }
   }
   prevRGrid = currRGrid;
   currRGrid = gridToAcquire;
   personGui.moveOn();
   try {
     isMoving.acquire();
   } catch (Exception e) {
   }
 }