public Vector2D Calculate()
{
Vector2D sum = new Vector2D(0, 0);
#region NormalBehaviours
if (_instanceExists(_arrive))
{
Vector2D v = _arrive.Calculate().Multiply(_dArrive);
sum.Add(v);
}
if (_instanceExists(_flee))
{
Vector2D v = _flee.Calculate().Multiply(_dFlee);
sum.Add(v);
}
if (_instanceExists(_seek))
{
Vector2D v = _seek.Calculate().Multiply(_dSeek);
sum.Add(v);
}
if (_instanceExists(_wander))
{
Vector2D v = _wander.Calculate().Multiply(_dWander);
sum.Add(v);
}
if (_instanceExists(_followPath))
{
Vector2D v = _followPath.Calculate().Multiply(_dFollowPath);
sum.Add(v);
}
#endregion
#region AdvancedBehaviours
if (_instanceExists(_obstacleAvoidance))
{
Vector2D v = _obstacleAvoidance.Calculate().Multiply(_dObstacleAvoidance);
sum.Add(v);
}
#endregion
Vector2D a = sum.Truncate(_movingEntity.DMaxForce);
return(a);
}