Simple linear interpolator. More...

#include <linear.h>

Inheritance diagram for friz::Linear:

Public Member Functions
	Linear (float startVal, float endVal, int duration)

Public Member Functions inherited from friz::TimedValue
	TimedValue (float startVal, float endVal, int duration_)

float	getNextValue (int msElapsed, int) override

bool	isFinished () override

Public Member Functions inherited from friz::AnimatedValue
	AnimatedValue (float startVal_, float endVal_)
	Base class init for the animated value classes.

virtual float	getNextValue (int msElapsed, int msSinceLastUpdate)=0

float	getEndValue () const
	get the ending state of this value object. When we cancel an in-progress animation, we may need to snap to the end value, and this gives a way to get there immediately.

virtual bool	isFinished ()=0

virtual bool	updateTarget (float)
	Attempt to change the end value of an animation that's currently in process.

void	cancel (bool moveToEndPosition)
	Cancel an in-progress animation.

Private Member Functions
float	generateNextValue (float progress) override
	generate the value according to progress in time.

Additional Inherited Members
Protected Member Functions inherited from friz::TimedValue
float	scale (float curvePoint)
	Given a fractional curve point (typically) in the range (0.f..1.f), interpolate this point between this value's start and end points.

Protected Attributes inherited from friz::TimedValue
int	duration
	duration of the event in ms.

Protected Attributes inherited from friz::AnimatedValue
float	startVal

float	endVal

float	currentVal

bool	canceled { false }

bool	finished { false }

Detailed Description

Simple linear interpolator.

Constructor & Destructor Documentation

A value that changes linearly.

Parameters

startVal	initial value
endVal	ending value
tolerance	tolerance for completion.
duration	# of frames the effect should take.

float friz::Linear::generateNextValue ( float progress )

overrideprivatevirtual

generate the value according to progress in time.

Parameters

progress position in the animation (0.0..1.0)

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