Packagefl.motion.easing
Classpublic class Exponential
InheritanceExponential Inheritance Object

Language Version: ActionScript 3.0
Runtime Versions: AIR 1.0 Flash Player 9.0.28.0

The Exponential class defines three easing functions to implement motion with ActionScript animation. It produces an effect similar to the popular "Zeno's paradox" style of scripted easing, where each interval of time decreases the remaining distance by a constant proportion.

See also

Motion XML Elements
fl.motion.FunctionEase

Public Properties
 PropertyDefined By
 Inheritedconstructor : Object
A reference to the class object or constructor function for a given object instance.
Object
 Inheritedprototype : Object
[static] A reference to the prototype object of a class or function object.
Object
Public Methods
 MethodDefined By
  
easeIn(t:Number, b:Number, c:Number, d:Number):Number
[static] The easeIn() method starts motion slowly and then accelerates motion as it executes.
Exponential
  
easeInOut(t:Number, b:Number, c:Number, d:Number):Number
[static] 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.
Exponential
  
easeOut(t:Number, b:Number, c:Number, d:Number):Number
[static] The easeOut() method starts motion fast and then decelerates motion to a zero velocity as it executes.
Exponential
 Inherited
hasOwnProperty(name:String):Boolean
Indicates whether an object has a specified property defined.
Object
 Inherited
isPrototypeOf(theClass:Object):Boolean
Indicates whether an instance of the Object class is in the prototype chain of the object specified as the parameter.
Object
 Inherited
propertyIsEnumerable(name:String):Boolean
Indicates whether the specified property exists and is enumerable.
Object
 Inherited
setPropertyIsEnumerable(name:String, isEnum:Boolean = true):void
Sets the availability of a dynamic property for loop operations.
Object
 Inherited
toString():String
Returns the string representation of the specified object.
Object
 Inherited
valueOf():Object
Returns the primitive value of the specified object.
Object
Method Detail
easeIn()method
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 9.0.28.0

The easeIn() method starts motion slowly and then accelerates motion as it executes.

Parameters

t:Number — Specifies the current time, between 0 and duration inclusive.
 
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.

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

See also

fl.motion.FunctionEase
easeInOut()method 
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 9.0.28.0

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

fl.motion.FunctionEase
easeOut()method 
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 9.0.28.0

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

fl.motion.FunctionEase



© 2004-2008 Adobe Systems Incorporated. All rights reserved.
Wed Nov 19 2008, 09:06 AM -08:00
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