| Language Version: | ActionScript 3.0 |
| Runtime Versions: | AIR 1.0 Flash Player 9.0 |
The Regular class defines three easing functions to implement
accelerated motion with ActionScript animations. The acceleration of motion
for a Regular easing equation is the same as for a timeline tween at 100% easing
and is less dramatic than for the Strong easing equation.
The Regular class is identical to the fl.motion.easing.Quadratic class in functionality.
public static function easeIn(t:Number, b:Number, c:Number, d:Number):Number| Language Version: | ActionScript 3.0 |
| Runtime Versions: | AIR 1.0 Flash Player 9.0 |
The
easeIn()
method starts motion from a zero velocity
and then accelerates motion as it executes.
Parameters
| t:Number — Specifies the current time, between 0 and duration inclusive. |
| |
| b:Number — Specifies the initial value of the animation property. |
| |
| c:Number — Specifies the total change in the animation property. |
| |
| d:Number — Specifies the duration of the motion. |
Returns | Number — The value of the interpolated property at the specified time. |
See also
Example
This example animates a rectangle using the
Regular.easeIn
easing function:
import fl.transitions.*;
import fl.transitions.easing.*;
stage.frameRate = 31;
var box:Sprite = new Sprite();
box.graphics.beginFill(Math.random() * 0xFFFFFF);
box.graphics.drawRect(0, 0, 100, 350);
box.graphics.endFill();
box.x = 50;
box.y = 10;
addChild(box);
var startValue:Number = box.x;
var finishValue:Number = 400;
var duration:Number = 3;
var myTween:Tween = new Tween(box, "x", Regular.easeIn, startValue, finishValue, duration, true);
myTween.looping = true;
public static function easeInOut(t:Number, b:Number, c:Number, d:Number):Number| Language Version: | ActionScript 3.0 |
| Runtime Versions: | AIR 1.0 Flash Player 9.0 |
The
easeInOut()
method combines the motion
of the
easeIn()
and
easeOut()
methods
to start the motion from a zero velocity,
accelerate motion, then decelerate to a zero velocity.
Parameters
| t:Number — Specifies the current time, between 0 and duration inclusive. |
| |
| b:Number — Specifies the initial value of the animation property. |
| |
| c:Number — Specifies the total change in the animation property. |
| |
| d:Number — Specifies the duration of the motion. |
Returns | Number — The value of the interpolated property at the specified time. |
See also
Example
This example animates a rectangle using the
Regular.easeInOut
easing function:
import fl.transitions.*;
import fl.transitions.easing.*;
stage.frameRate = 31;
var box:Sprite = new Sprite();
box.graphics.beginFill(Math.random() * 0xFFFFFF);
box.graphics.drawRect(0, 0, 100, 350);
box.graphics.endFill();
box.x = 50;
box.y = 10;
addChild(box);
var startValue:Number = box.x;
var finishValue:Number = 400;
var duration:Number = 3;
var myTween:Tween = new Tween(box, "x", Regular.easeInOut, startValue, finishValue, duration, true);
myTween.looping = true;
public static function easeOut(t:Number, b:Number, c:Number, d:Number):Number| Language Version: | ActionScript 3.0 |
| Runtime Versions: | AIR 1.0 Flash Player 9.0 |
The
easeOut()
method starts motion fast
and then decelerates motion to a zero velocity as it executes.
Parameters
| t:Number — Specifies the current time, between 0 and duration inclusive. |
| |
| b:Number — Specifies the initial value of the animation property. |
| |
| c:Number — Specifies the total change in the animation property. |
| |
| d:Number — Specifies the duration of the motion. |
Returns | Number — The value of the interpolated property at the specified time. |
See also
Example
This example animates a rectangle using the
Regular.easeOut
easing function:
import fl.transitions.*;
import fl.transitions.easing.*;
stage.frameRate = 31;
var box:Sprite = new Sprite();
box.graphics.beginFill(Math.random() * 0xFFFFFF);
box.graphics.drawRect(0, 0, 100, 350);
box.graphics.endFill();
box.x = 50;
box.y = 10;
addChild(box);
var startValue:Number = box.x;
var finishValue:Number = 400;
var duration:Number = 3;
var myTween:Tween = new Tween(box, "x", Regular.easeOut, startValue, finishValue, duration, true);
myTween.looping = true;
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Wed Nov 19 2008, 09:06 AM -08:00 Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular Regular
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