The Linear class defines easing functions to implement
linear motion with Flex effect classes.
For more information, see http://www.robertpenner.com/profmx.
public static function easeIn(t:Number, b:Number, c:Number, d:Number, ... rest):Number
The easeIn()
method starts motion from zero velocity,
and then accelerates motion as it executes.
Parameters
 t:Number — Specifies time.


 b:Number — Specifies the initial position of a component.


 c:Number — Specifies the total change in position of the component.


 d:Number — Specifies the duration of the effect, in milliseconds.


 ... rest 
Returns
 Number — Number corresponding to the position of the component.

public static function easeInOut(t:Number, b:Number, c:Number, d:Number, ... rest):Number
The easeInOut()
method combines the motion
of the easeIn()
and easeOut()
methods
to start the motion from zero velocity, accelerate motion,
then decelerate back to zero velocity.
Parameters
 t:Number — Specifies time.


 b:Number — Specifies the initial position of a component.


 c:Number — Specifies the total change in position of the component.


 d:Number — Specifies the duration of the effect, in milliseconds.


 ... rest 
Returns
 Number — Number corresponding to the position of the component.

public static function easeNone(t:Number, b:Number, c:Number, d:Number, ... rest):Number
The easeNone()
method defines a constant motion,
with no acceleration.
Parameters
 t:Number — Specifies time.


 b:Number — Specifies the initial position of a component.


 c:Number — Specifies the total change in position of the component.


 d:Number — Specifies the duration of the effect, in milliseconds.


 ... rest 
Returns
 Number — Number corresponding to the position of the component.

public static function easeOut(t:Number, b:Number, c:Number, d:Number, ... rest):Number
The easeOut()
method starts motion fast,
and then decelerates motion to a zero velocity as it executes.
Parameters
 t:Number — Specifies time.


 b:Number — Specifies the initial position of a component.


 c:Number — Specifies the total change in position of the component.


 d:Number — Specifies the duration of the effect, in milliseconds.


 ... rest 
Returns
 Number — Number corresponding to the position of the component.

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