klang::Envelope::Linear

Linear envelope ramp (default) More...

#include <klang.h>

Inheritance diagram for klang::Envelope::Linear:

Public Member Functions
signal	operator++ (int) override
bool	isActive () const
virtual void	setTarget (float target)
virtual void	setValue (float value)
virtual void	setRate (float rate)
virtual void	setTime (float time)
void	process () override
Output< signal > &	operator() (params... p)
	operator const signal & () override
	operator const signal & () const override
virtual const signal &	output () const
TYPE &	operator>> (TYPE &destination)
signal	operator+ (TYPE &other)
signal	operator* (TYPE &other)
signal	operator- (TYPE &other)
signal	operator/ (TYPE &other)

Public Attributes
float	target
float	rate
bool	active = false
signal	out

Detailed Description

Definition at line 2668 of file klang.h.

Member Function Documentation

isActive()

bool klang::Envelope::Ramp::isActive ( ) const

inlineinherited

Definition at line 2638 of file klang.h.

                            {
        return active;
      }

References klang::Envelope::Ramp::active.

Referenced by klang::Envelope::operator++().

operator const signal &() [1/2]

klang::Generic::Generator< signal >::operator const signal & ( ) const

inlineoverridevirtualinherited

Reimplemented from klang::Generic::Output< signal >.

Definition at line 1416 of file klang.h.

{ return out; } // return last output   

operator const signal &() [2/2]

klang::Generic::Generator< signal >::operator const signal & ( )

inlineoverridevirtualinherited

Reimplemented from klang::Generic::Output< signal >.

Definition at line 1415 of file klang.h.

{ process(); return out; } // return processed output   

operator()()

Output< signal > & klang::Generic::Generator< signal >::operator() ( params... p )

inlineinherited

Definition at line 1409 of file klang.h.

                                              {
        set(p...); return *this;
      }

operator*()

signal klang::Generic::Output< signal >::operator* ( TYPE & other )

inlineinherited

Definition at line 1372 of file klang.h.

{ process(); return out * (other); }

operator+()

signal klang::Generic::Output< signal >::operator+ ( TYPE & other )

inlineinherited

Definition at line 1371 of file klang.h.

{ process(); return out + (other); }

operator++()

signal klang::Envelope::Linear::operator++ ( int )

inlineoverridevirtual

Implements klang::Envelope::Ramp.

Definition at line 2671 of file klang.h.

                                      {
        const signal output = out;
 
        if (active) {
          if (target > out) {
            out += rate;
            if (out >= target) {
              out = target;
              active = false;
            }
          }
          else {
            out -= rate;
            if (out <= target) {
              out = target;
              active = false;
            }
          }
        }
 
        return output;
      }

References klang::Envelope::Ramp::active, klang::signal::operator+=(), klang::signal::operator-=(), klang::Envelope::Ramp::rate, and klang::Envelope::Ramp::target.

operator-()

signal klang::Generic::Output< signal >::operator- ( TYPE & other )

inlineinherited

Definition at line 1373 of file klang.h.

{ process(); return out - (other); }

operator/()

signal klang::Generic::Output< signal >::operator/ ( TYPE & other )

inlineinherited

Definition at line 1374 of file klang.h.

{ process(); return out / (other); }

operator>>()

TYPE & klang::Generic::Output< signal >::operator>> ( TYPE & destination )

inlineinherited

Definition at line 1364 of file klang.h.

{ process(); return destination = out; }

output()

virtual const signal & klang::Generic::Output< signal >::output ( ) const

inlinevirtualinherited

Definition at line 1360 of file klang.h.

{ return out; }

process()

void klang::Envelope::Ramp::process ( )

inlineoverridevirtualinherited

Implements klang::Generic::Output< signal >.

Definition at line 2664 of file klang.h.

{ /* do nothing -> only process on ++ */ }

setRate()

virtual void klang::Envelope::Ramp::setRate ( float rate )

inlinevirtualinherited

Definition at line 2656 of file klang.h.

{ Ramp::rate = rate; }

References klang::Envelope::Ramp::rate.

Referenced by klang::Envelope::setTargetRate(), and klang::Envelope::setTargetTime().

setTarget()

virtual void klang::Envelope::Ramp::setTarget ( float target )

inlinevirtualinherited

Definition at line 2643 of file klang.h.

                                           {
        Ramp::target = target;
        active = (out != target);
      }

References klang::Envelope::Ramp::active, and klang::Envelope::Ramp::target.

Referenced by klang::Envelope::Ramp::Ramp(), klang::Envelope::setTargetRate(), and klang::Envelope::setTargetTime().

setTime()

virtual void klang::Envelope::Ramp::setTime ( float time )

inlinevirtualinherited

Definition at line 2659 of file klang.h.

{ Ramp::rate = time ? 1.f / (time * fs) : 0; }

References klang::Envelope::Ramp::rate.

Referenced by klang::Envelope::Ramp::Ramp().

setValue()

virtual void klang::Envelope::Ramp::setValue ( float value )

inlinevirtualinherited

Definition at line 2649 of file klang.h.

                                         {
        out = value;
        Ramp::target = value;
        active = false;
      }

References klang::Envelope::Ramp::active, and klang::Envelope::Ramp::target.

Referenced by klang::Envelope::Ramp::Ramp(), klang::Envelope::Ramp::Ramp(), klang::Envelope::initialise(), klang::Envelope::operator++(), and klang::Envelope::setTargetRate().

Member Data Documentation

active

bool klang::Envelope::Ramp::active = false

inherited

Definition at line 2620 of file klang.h.

Referenced by klang::Envelope::Ramp::isActive(), operator++(), klang::Envelope::Ramp::setTarget(), and klang::Envelope::Ramp::setValue().

out

signal klang::Generic::Output< signal >::out

inherited

Definition at line 1357 of file klang.h.

{ 0.f };

rate

float klang::Envelope::Ramp::rate

inherited

Definition at line 2619 of file klang.h.

Referenced by operator++(), klang::Envelope::Ramp::setRate(), and klang::Envelope::Ramp::setTime().

target

float klang::Envelope::Ramp::target

inherited

Definition at line 2618 of file klang.h.

Referenced by operator++(), klang::Envelope::Ramp::setTarget(), and klang::Envelope::Ramp::setValue().