Stellarium 0.11.2
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Public Member Functions | Protected Attributes
LinearFader Class Reference

Implementation of StelFader which implements a linear transition. More...

#include <StelFader.hpp>

List of all members.

Public Member Functions

 LinearFader (int _duration=1000, float minimumValue=0.f, float maximumValue=1.f, bool initialState=false)
void update (int deltaTicks)
float getInterstate () const
float getInterstatePercentage () const
StelFaderoperator= (bool s)
void setDuration (int _duration)
virtual float getDuration ()
void setMaxValue (float _max)

Protected Attributes

bool isTransiting
int duration
float startValue
float targetValue
int counter
float interstate

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.