Controller Class Reference

regulate IIR gain for rapid but smooth tracking of a function. More...

Public Member Functions
	Controller (double initialValue)
int	ComputeBias (double smoothedValue, double value)

Private Member Functions
bool	WasOnSameSide (double value) const
bool	WasSpike () const

Static Private Member Functions
static double	Change (double from, double to)

Private Attributes
double	m_history [m_historySize]
int	m_timesOnSameSide

Static Private Attributes
static const size_t	m_historySize = 3

Detailed Description

regulate IIR gain for rapid but smooth tracking of a function.

this is similar in principle to a PID controller but is tuned for the special case of FPS values to simplify stabilizing the filter.

Definition at line 111 of file frequency_filter.cpp.

Constructor & Destructor Documentation

Controller::Controller ( double  initialValue )

inline

Definition at line 114 of file frequency_filter.cpp.

Member Function Documentation

static double Controller::Change ( double  from, double  to  )

inlinestaticprivate

Definition at line 165 of file frequency_filter.cpp.

int Controller::ComputeBias ( double  smoothedValue, double  value  )

inline

Definition at line 121 of file frequency_filter.cpp.

bool Controller::WasOnSameSide ( double  value ) const

inlineprivate

Definition at line 154 of file frequency_filter.cpp.

bool Controller::WasSpike ( ) const

inlineprivate

Definition at line 171 of file frequency_filter.cpp.

Member Data Documentation

double Controller::m_history[m_historySize]

private

Definition at line 185 of file frequency_filter.cpp.

const size_t Controller::m_historySize = 3

staticprivate

Definition at line 184 of file frequency_filter.cpp.

int Controller::m_timesOnSameSide

private

Definition at line 186 of file frequency_filter.cpp.

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The documentation for this class was generated from the following file:

• /home/sathyam/0ad.svn/source/lib/frequency_filter.cpp