void turbulence::step(double delta)
{
f += Eigen::Vector3d(fwd(gen), fwd(gen), fwd(gen)) * delta;
t += Eigen::Vector3d(twd(gen), twd(gen), twd(gen)) * delta;
f = clamp(f, fa, fb);
t = clamp(t, ta, tb);
}
//-----------------------------------------------------------------------------
//!
//-----------------------------------------------------------------------------
void tStartLineTacticalWidget::UpdateTackGybeAngles()
{
float lineBearingR = 0.0f;
tDigitalData lineBearing( DATA_TYPE_START_LINE_BEARING );
float twdR = 0.0f;
tDigitalData twd( (DATA_TYPE_WIND_TRUE_DIRECTION ) );
float tws = 0.0f;
tDigitalData twsData( DATA_TYPE_SPEED_WIND_TRUE );
if ( twd.DampedValidValue( twdR ) && twsData.DampedValidValue( tws ) && lineBearing.DampedValidValue( lineBearingR ) )
{
// calculateTwa if heading is perpendicular to start line
// (trying to work out if this is an upwind/downwind start)
float perpendicularR = lineBearingR + PI_2f;
float twaRad = twdR - perpendicularR;
NormaliseRadiansF( twaRad );
int twaDeg = qRound( RadiansToDegreesf( twaRad ) );
m_TackGybeInfo = tMarkLaylines::Instance()->TackGybeAngle( twaDeg, tws );
}
else
{
m_TackGybeInfo = tMarkLaylines::Instance()->TackGybeAngle( 0, 0.0f ); // if we dont have valid wind/line get upwind numbers
}
}
TimeWithDate::time_t TimeWithDate::operator- (const TimeWithDate& t) const
{
if (*this < t)
return - (t - (*this));
else if (*this > t)
{
TimeWithDate twd(t);
int days = 0;
while(!same_day(twd))
{
twd.next_day();
days++;
}
return days*SECS_IN_A_DAY + this->seconds() - twd.seconds();
}
else
return 0;
}
//-----------------------------------------------------------------------------
//!
//-----------------------------------------------------------------------------
void tStartLineTacticalWidget::UpdateLaylineData()
{
bool valid = true;
tDigitalData twd( (tDataId( DATA_TYPE_WIND_TRUE_DIRECTION ) ) );
float twdRad = 0.0f;
if( m_TackGybeInfo.valid && twd.DampedValidValue( twdRad ) )
{
int twdDeg = qRound( RadiansToDegreesf( twdRad ) );
int portAngle;
int stbdAngle;
float portSpeed = 0.0f;
float stbdSpeed = 0.0f;
tMarkLaylines::Instance()->BoatAngles( twdDeg, m_TackGybeInfo, portAngle, stbdAngle, portSpeed, stbdSpeed );
if( m_TackGybeInfo.targetSpeed > 0 )
{
m_TargetSpeed = stbdSpeed;
}
else
{
m_TargetSpeed = 0;
}
if( portAngle == stbdAngle )
{
valid = false;
}
else
{
m_pMapWidget->SetLaylineInfo( portAngle, stbdAngle );
}
}
else
{
valid = false;
}
if( valid == false )
{
m_pMapWidget->SetLaylinesValid( false );
}
}
