Language Version: | ActionScript 3.0 |
Product Version: | Flash CS3 |
Runtime Versions: | Flash Player 9.0, AIR 1.0 |
The Strong class defines three easing functions to implement
motion with ActionScript animation. The acceleration of motion for a Strong easing
equation is greater than for a Regular easing equation.
The Strong class is identical to the fl.motion.easing.Quintic class in functionality.
public static function easeIn(t:Number, b:Number, c:Number, d:Number):Number
Language Version: | ActionScript 3.0 |
Product Version: | Flash CS3 |
Runtime Versions: | Flash Player 9.0, AIR 1.0 |
The easeIn()
method starts motion from 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
Strong.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", Strong.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 |
Product Version: | Flash CS3 |
Runtime Versions: | Flash Player 9.0, AIR 1.0 |
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
Strong.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", Strong.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 |
Product Version: | Flash CS3 |
Runtime Versions: | Flash Player 9.0, AIR 1.0 |
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
Strong.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", Strong.easeOut, startValue, finishValue, duration, true);
myTween.looping = true;
© 2009 Adobe Systems Incorporated. All rights reserved.
Wed Jul 29 2009, 04:58 PM -07:00 Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong Strong
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