JavaScript Documentation

Class YAHOO.util.Easing

Object
   |
   +--YAHOO.util.Easing

class YAHOO.util.Easing

Requires:: YAHOO.util.Anim; YAHOO.util.AnimMgr; YAHOO.util.Easing; YAHOO.util.Bezier; YAHOO.util.Dom; YAHOO.util.Event; YAHOO.util.CustomEvent

Easing effects for controlling animation behavior.

Quick Links: Constructor Summary | Method Summary | Constructor Details | Method Details

Constructor Summary [top]


							YAHOO.util.Easing

Method Summary [top]

Number	`backBoth (<Number> t, <Number> b, <Number> c, <Number> d, <Number> s)` backtrack and overshoot, coming back to target.
void	`backIn (<Number> t, <Number> b, <Number> c, <Number> d, <Number> s)` backtrack then move to target.
void	`backOut (<Number> t, <Number> b, <Number> c, <Number> d, <Number> s)` overshoot and come back to target.
Number	`bounceBoth (<Number> t, <Number> b, <Number> c, <Number> d)` bounce both
Number	`bounceIn (<Number> t, <Number> b, <Number> c, <Number> d)` bounce in
Number	`bounceOut (<Number> t, <Number> b, <Number> c, <Number> d)` bounce out
Number	`easeBoth (<Number> t, <Number> b, <Number> c, <Number> d)` Begins slowly and decelerates towards end.
Number	`easeBothStrong (<Number> t, <Number> b, <Number> c, <Number> d)` Begins slowly and decelerates towards end.
Number	`easeIn (<Number> t, <Number> b, <Number> c, <Number> d)` Begins slowly and accelerates towards end.
Number	`easeInStrong (<Number> t, <Number> b, <Number> c, <Number> d)` Begins slowly and accelerates towards end.
Number	`easeNone (<Number> t, <Number> b, <Number> c, <Number> d)` Uniform speed between points.
Number	`easeOut (<Number> t, <Number> b, <Number> c, <Number> d)` Begins quickly and decelerates towards end.
Number	`easeOutStrong (<Number> t, <Number> b, <Number> c, <Number> d)` Begins quickly and decelerates towards end.
Number	`elasticBoth (<Number> t, <Number> b, <Number> c, <Number> d, a, <Number> p)` snap both elastic effect
Number	`elasticIn (<Number> t, <Number> b, <Number> c, <Number> d, a, <Number> p)` snap in elastic effect
Number	`elasticOut (<Number> t, <Number> b, <Number> c, <Number> d, a, <Number> p)` snap out elastic effect

Constructor Detail [top]

YAHOO.util.Easing


								YAHOO.util.Easing
								()

Method Detail [top]

backBoth


									Number 
									backBoth
									(<Number> t, <Number> b, <Number> c, <Number> d, <Number> s)

backtrack and overshoot, coming back to target.

Parameters:: t - Time value used to compute current value.; b - Starting value.; c - Delta between start and end values.; d - Total length of animation.; s - Overshoot (optional)

Returns:: The computed value for the current animation frame.

backIn


									void 
									backIn
									(<Number> t, <Number> b, <Number> c, <Number> d, <Number> s)

backtrack then move to target.

Parameters:: t - Time value used to compute current value.; b - Starting value.; c - Delta between start and end values.; d - Total length of animation.; s - Overshoot (optional)

backOut


									void 
									backOut
									(<Number> t, <Number> b, <Number> c, <Number> d, <Number> s)

overshoot and come back to target.

Parameters:: t - Time value used to compute current value.; b - Starting value.; c - Delta between start and end values.; d - Total length of animation.; s - Overshoot (optional)

bounceBoth


									Number 
									bounceBoth
									(<Number> t, <Number> b, <Number> c, <Number> d)

bounce both

Parameters:: t - Time value used to compute current value.; b - Starting value.; c - Delta between start and end values.; d - Total length of animation.

Returns:: The computed value for the current animation frame.

bounceIn


									Number 
									bounceIn
									(<Number> t, <Number> b, <Number> c, <Number> d)

bounce in

Parameters:: t - Time value used to compute current value.; b - Starting value.; c - Delta between start and end values.; d - Total length of animation.

Returns:: The computed value for the current animation frame.

bounceOut


									Number 
									bounceOut
									(<Number> t, <Number> b, <Number> c, <Number> d)

bounce out

Parameters:: t - Time value used to compute current value.; b - Starting value.; c - Delta between start and end values.; d - Total length of animation.

Returns:: The computed value for the current animation frame.

easeBoth


									Number 
									easeBoth
									(<Number> t, <Number> b, <Number> c, <Number> d)

Begins slowly and decelerates towards end. (quadratic)

Parameters:: t - Time value used to compute current value.; b - Starting value.; c - Delta between start and end values.; d - Total length of animation.

Returns:: The computed value for the current animation frame.

easeBothStrong


									Number 
									easeBothStrong
									(<Number> t, <Number> b, <Number> c, <Number> d)

Begins slowly and decelerates towards end. (quartic)

Parameters:: t - Time value used to compute current value.; b - Starting value.; c - Delta between start and end values.; d - Total length of animation.

Returns:: The computed value for the current animation frame.

easeIn


									Number 
									easeIn
									(<Number> t, <Number> b, <Number> c, <Number> d)

Begins slowly and accelerates towards end. (quadratic)

Parameters:: t - Time value used to compute current value.; b - Starting value.; c - Delta between start and end values.; d - Total length of animation.

Returns:: The computed value for the current animation frame.

easeInStrong


									Number 
									easeInStrong
									(<Number> t, <Number> b, <Number> c, <Number> d)

Begins slowly and accelerates towards end. (quartic)

Parameters:: t - Time value used to compute current value.; b - Starting value.; c - Delta between start and end values.; d - Total length of animation.

Returns:: The computed value for the current animation frame.

easeNone


									Number 
									easeNone
									(<Number> t, <Number> b, <Number> c, <Number> d)

Uniform speed between points.

Parameters:: t - Time value used to compute current value.; b - Starting value.; c - Delta between start and end values.; d - Total length of animation.

Returns:: The computed value for the current animation frame.

easeOut


									Number 
									easeOut
									(<Number> t, <Number> b, <Number> c, <Number> d)

Begins quickly and decelerates towards end. (quadratic)

Parameters:: t - Time value used to compute current value.; b - Starting value.; c - Delta between start and end values.; d - Total length of animation.

Returns:: The computed value for the current animation frame.

easeOutStrong


									Number 
									easeOutStrong
									(<Number> t, <Number> b, <Number> c, <Number> d)

Begins quickly and decelerates towards end. (quartic)

Parameters:: t - Time value used to compute current value.; b - Starting value.; c - Delta between start and end values.; d - Total length of animation.

Returns:: The computed value for the current animation frame.

elasticBoth


									Number 
									elasticBoth
									(<Number> t, <Number> b, <Number> c, <Number> d, a, <Number> p)

snap both elastic effect

Parameters:: t - Time value used to compute current value.; b - Starting value.; c - Delta between start and end values.; d - Total length of animation.; p - Period (optional)

Returns:: The computed value for the current animation frame.

elasticIn


									Number 
									elasticIn
									(<Number> t, <Number> b, <Number> c, <Number> d, a, <Number> p)

snap in elastic effect

Parameters:: t - Time value used to compute current value.; b - Starting value.; c - Delta between start and end values.; d - Total length of animation.; p - Period (optional)

Returns:: The computed value for the current animation frame.

elasticOut


									Number 
									elasticOut
									(<Number> t, <Number> b, <Number> c, <Number> d, a, <Number> p)

snap out elastic effect

Parameters:: t - Time value used to compute current value.; b - Starting value.; c - Delta between start and end values.; d - Total length of animation.; p - Period (optional)

Returns:: The computed value for the current animation frame.

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