Stellarium  HEAD
Public Member Functions
LinearFader Class Reference

#include <StelFader.hpp>

Public Member Functions

 LinearFader (int _duration=1000, bool initialState=false)
void update (int deltaMs) Q_DECL_OVERRIDE
 Increments the internal counter of deltaMs milliseconds.
float getInterstate () const Q_DECL_OVERRIDE
 Gets current value (between 0 and 1)
StelFaderoperator= (bool s) Q_DECL_OVERRIDE
void setDuration (int _duration) Q_DECL_OVERRIDE
virtual float getDuration () const Q_DECL_OVERRIDE
- Public Member Functions inherited from StelFader
 StelFader (bool initialState)
bool operator== (bool s) const
 operator bool () const

Additional Inherited Members

- Protected Member Functions inherited from StelFader
float getTargetValue () const
float getStartValue () const
- Protected Attributes inherited from StelFader
bool state

Detailed Description

Implementation of StelFader which implements a linear transition. Please note that state is updated instantaneously, so if you need to draw something fading in and out, you need to check the interstate value (!=0) to know to draw when on AND during transitions.