update = function()
{
    if (willLasersHit())
    {
        fireLasers();
    }
    if (willMissilesHit())
    {
        fireMissiles();
    }
    closestBot = findClosestEnemyBot();
    if (exists(closestBot))
    {
         if (canMoveTo(closestBot))
         {
            pursue(closestBot);
         }

    }
    else
    {
      if(canMove())
      {
          move();
      }
    }
    if(canCloak())
    {
      cloak();
    }
    if(canMove())
    {
      move();
    }
    if(canShield())
    {
      shield();
    }
};