void doDefaultBehaviour()
{
if (string.Compare("StandStill", defaultBehaviour) == 0)
{
standstill.Updatea();
velocity = standstill.velocity;
}
else if (string.Compare("Patrol", defaultBehaviour) == 0)
{
patrol.Updatea();
velocity = patrol.velocity;
}
else
{
wander.Updatea();
velocity = wander.velocity;
}
}