public override void Update()
{
Vector2 lv = Vector2.zero;
Vector2 follow = Vector2.zero;
Vector2 evade = Vector2.zero;
Vector2 separate = Vector2.zero;
Vector2 aligement = _direction;
if (_leader != null)
{
lv = -_leader._Velocity;
lv = lv.normalized;
lv *= _LEADER_BEHIND_DIST;
_behind._position = _leader._Position + lv;
_behind._velocity = _leader._Velocity;
//_arrive._target = _behind;
_arrive.Update();
follow = _arrive._steering;
_ahead._position = _leader._Position - lv;
_ahead._velocity = _leader._Velocity;
float ld2 = (_host._Position - _leader._Position).sqrMagnitude;
float ad2 = (_host._Position - _ahead._position).sqrMagnitude;
float r2 = _LEADER_SIGHT_RADIUS * _LEADER_SIGHT_RADIUS;
if (ld2 < r2 || ad2 < r2)
{
//_ahead._position = _leader._Position - lv;
//_ahead._velocity = _leader._Velocity;
//_evade._target = _ahead;
_evade.Update();
evade = _evade._steering;
}
}
//_separation._boids = _flockers;
_separation.Update();
separate = _separation._steering;
separate = separate.normalized;
separate *= _separation._WEIGHT;
//_aligement._boids = _flockers;
_aligement.Update();
aligement = _aligement._direction.normalized;
_steering = follow + evade + separate;
_direction = aligement;
}
public override void Update()
{
Vector2 lv = Vector2.zero;
Vector2 follow = Vector2.zero;
Vector2 evade = Vector2.zero;
Vector2 separate = Vector2.zero;
Vector2 aligement = _direction;
if (_target != null)
{
_arrive._target = _target;
_arrive.Update();
follow = _arrive._steering;
aligement = _arrive._direction;
}
if (_flockers != null && _flockers.Count > 0)
{
// Evade fire line
_friend = _flockers[0];
float fd2 = (_host._Position - _friend._Position).sqrMagnitude;
foreach (IBoid boid in _flockers)
{
float l = (_host._Position - boid._Position).sqrMagnitude;
if (l < fd2)
{
fd2 = l;
_friend = boid;
}
}
lv = -_friend._Velocity;
lv = lv.normalized;
lv *= _BEHIND_DIST;
_ahead._position = _friend._Position + lv;
_ahead._velocity = _friend._Velocity;
float ad2 = (_host._Position - _ahead._position).sqrMagnitude;
float r2 = _SIGHT_RADIUS * _SIGHT_RADIUS;
if (fd2 < r2 || ad2 < r2)
{
_evade._target = _ahead;
_evade.Update();
evade = _evade._steering;
_ahead._position *= -1;
_evade._target = _ahead;
_evade.Update();
evade += _evade._steering;
}
// Separate from flockers
//_separation._boids = _flockers;
_separation.Update();
separate = _separation._steering;
separate = separate.normalized;
separate *= _separation._WEIGHT;
}
_steering = follow + evade + separate;
_direction = aligement;
}