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Changed transitions to easing. easing is now an object that can be extended to add new easing functions.

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This commit is contained in:
Stefan Petre 2007-01-04 14:57:22 +00:00
parent 5e497300aa
commit 783f589fbf
1 changed files with 89 additions and 61 deletions
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150
src/fx/fx.js
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@ -20,14 +20,14 @@ jQuery.fn.extend({
* @type jQuery
* @param String|Number speed A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
* @param Function callback (optional) A function to be executed whenever the animation completes.
* @param String transition (optional) Transition effect
* @param String easing (optional) easing effect
* @cat Effects/Animations
* @see hide(String|Number,Function)
*/
show: function(speed,callback, transition){
show: function(speed,callback, easing){
return speed ? this.animate({
height: "show", width: "show", opacity: "show"
}, speed, callback, transition) : this._show();
}, speed, callback, easing) : this._show();
},
// Overwrite the old hide method
@ -50,14 +50,14 @@ jQuery.fn.extend({
* @type jQuery
* @param String|Number speed A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
* @param Function callback (optional) A function to be executed whenever the animation completes.
* @param String transition (optional) Transition effect
* @param String easing (optional) easing effect
* @cat Effects/Animations
* @see show(String|Number,Function)
*/
hide: function(speed,callback, transition){
hide: function(speed,callback, easing){
return speed ? this.animate({
height: "hide", width: "hide", opacity: "hide"
}, speed, callback, transition) : this._hide();
}, speed, callback, easing) : this._hide();
},
/**
@ -77,13 +77,13 @@ jQuery.fn.extend({
* @type jQuery
* @param String|Number speed (optional) A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
* @param Function callback (optional) A function to be executed whenever the animation completes.
* @param String transition (optional) Transition effect
* @param String easing (optional) easing effect
* @cat Effects/Animations
* @see slideUp(String|Number,Function)
* @see slideToggle(String|Number,Function)
*/
slideDown: function(speed,callback, transition){
return this.animate({height: "show"}, speed, callback, transition);
slideDown: function(speed,callback, easing){
return this.animate({height: "show"}, speed, callback, easing);
},
/**
@ -103,13 +103,13 @@ jQuery.fn.extend({
* @type jQuery
* @param String|Number speed (optional) A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
* @param Function callback (optional) A function to be executed whenever the animation completes.
* @param String transition (optional) Transition effect
* @param String easing (optional) easing effect
* @cat Effects/Animations
* @see slideDown(String|Number,Function)
* @see slideToggle(String|Number,Function)
*/
slideUp: function(speed,callback, transition){
return this.animate({height: "hide"}, speed, callback, transition);
slideUp: function(speed,callback, easing){
return this.animate({height: "hide"}, speed, callback, easing);
},
/**
@ -129,15 +129,15 @@ jQuery.fn.extend({
* @type jQuery
* @param String|Number speed (optional) A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
* @param Function callback (optional) A function to be executed whenever the animation completes.
* @param String transition (optional) Transition effect
* @param String easing (optional) easing effect
* @cat Effects/Animations
* @see slideDown(String|Number,Function)
* @see slideUp(String|Number,Function)
*/
slideToggle: function(speed, callback, transition){
slideToggle: function(speed, callback, easing){
return this.each(function(){
var state = jQuery(this).is(":hidden") ? "show" : "hide";
jQuery(this).animate({height: state}, speed, callback, transition);
jQuery(this).animate({height: state}, speed, callback, easing);
});
},
@ -159,13 +159,13 @@ jQuery.fn.extend({
* @type jQuery
* @param String|Number speed (optional) A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
* @param Function callback (optional) A function to be executed whenever the animation completes.
* @param String transition (optional) Transition effect
* @param String easing (optional) easing effect
* @cat Effects/Animations
* @see fadeOut(String|Number,Function)
* @see fadeTo(String|Number,Number,Function)
*/
fadeIn: function(speed, callback, transition){
return this.animate({opacity: "show"}, speed, callback, transition);
fadeIn: function(speed, callback, easing){
return this.animate({opacity: "show"}, speed, callback, easing);
},
/**
@ -186,13 +186,13 @@ jQuery.fn.extend({
* @type jQuery
* @param String|Number speed (optional) A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
* @param Function callback (optional) A function to be executed whenever the animation completes.
* @param String transition (optional) Transition effect
* @param String easing (optional) easing effect
* @cat Effects/Animations
* @see fadeIn(String|Number,Function)
* @see fadeTo(String|Number,Number,Function)
*/
fadeOut: function(speed, callback, transition){
return this.animate({opacity: "hide"}, speed, callback, transition);
fadeOut: function(speed, callback, easing){
return this.animate({opacity: "hide"}, speed, callback, easing);
},
/**
@ -214,13 +214,13 @@ jQuery.fn.extend({
* @param String|Number speed A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
* @param Number opacity The opacity to fade to (a number from 0 to 1).
* @param Function callback (optional) A function to be executed whenever the animation completes.
* @param String transition (optional) Transition effect
* @param String easing (optional) easing effect
* @cat Effects/Animations
* @see fadeIn(String|Number,Function)
* @see fadeOut(String|Number,Function)
*/
fadeTo: function(speed,to,callback, transition){
return this.animate({opacity: to}, speed, callback, transition);
fadeTo: function(speed,to,callback, easing){
return this.animate({opacity: to}, speed, callback, easing);
},
/**
@ -248,16 +248,16 @@ jQuery.fn.extend({
* @param Hash params A set of style attributes that you wish to animate, and to what end.
* @param String|Number speed (optional) A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
* @param Function callback (optional) A function to be executed whenever the animation completes.
* @param String transition (optional) Transition effect
* @param String easing (optional) easing effect
* @cat Effects/Animations
*/
animate: function(prop,speed,callback, transition) {
animate: function(prop,speed,callback, easing) {
return this.queue(function(){
this.curAnim = jQuery.extend({}, prop);
for ( var p in prop ) {
var e = new jQuery.fx( this, jQuery.speed(speed,callback), p, transition );
var e = new jQuery.fx( this, jQuery.speed(speed,callback), p, easing );
if ( prop[p].constructor == Number )
e.custom( e.cur(), prop[p] );
else
@ -337,7 +337,7 @@ jQuery.extend({
* people. You've been warned.
*/
fx: function( elem, options, prop, transition ){
fx: function( elem, options, prop, easing ){
var z = this;
@ -346,7 +346,7 @@ jQuery.extend({
duration: options.duration || 400,
complete: options.complete,
step: options.step,
transition : /easein|easeout|easeboth|bouncein|bounceout|bounceboth|elasticin|elasticout|elasticboth/.test(transition) ? transition : 'original'
easing : easing || 'linear'
};
// The element
@ -498,8 +498,11 @@ jQuery.extend({
var n = t - this.startTime;
// Figure out where in the animation we are and set the number
var p = n / z.o.duration;
//z.now = ((-Math.cos(p*Math.PI)/2) + 0.5) * (lastNum-firstNum) + firstNum;
z.now = jQuery.transitions(p, n, firstNum, (lastNum-firstNum), z.o.duration, z.o.transition);
//if the easing exists the use it else use default linear easing
if (jQuery.easing[z.o.easing])
z.now = jQuery.easing[z.o.easing](p, n, firstNum, (lastNum-firstNum), z.o.duration);
else
z.now = jQuery.easingLinear(p, n, firstNum, (lastNum-firstNum), z.o.duration);
// Perform the next step of the animation
z.a();
@ -508,28 +511,40 @@ jQuery.extend({
},
transitions : function(p, n, firstNum, delta, duration, type) {
var nm, m, a, s;
if (type == 'original') {
easingLinear : function(p, n, firstNum, delta, duration) {
var nm, m, a, s;
return ((-Math.cos(p*Math.PI)/2) + 0.5) * delta + firstNum;
}
if (type == 'easein') {
},
/**
*
* @param Integer p period step in animation
* @param Integer n current time
* @param Mixed firstNum begin value
* @param Mixed delta change in
* @param Integer duration duration
*/
easing : {
linear: function(p, n, firstNum, delta, duration) {
var nm, m, a, s;
return ((-Math.cos(p*Math.PI)/2) + 0.5) * delta + firstNum;
},
easein: function(p, n, firstNum, delta, duration) {
return delta*(n/=duration)*n*n + firstNum;
}
if (type == 'easeout') {
},
easeou: function(p, n, firstNum, delta, duration) {
return -delta * ((n=n/duration-1)*n*n*n - 1) + firstNum;
}
if (type == 'easeboth') {
},
easeboth: function(p, n, firstNum, delta, duration) {
if ((n/=duration/2) < 1)
return delta/2*n*n*n*n + firstNum;
return -delta/2 * ((n-=2)*n*n*n - 2) + firstNum;
}
if (type == 'easeboth') {
if ((n/=duration/2) < 1)
return delta/2*n*n*n*n + firstNum;
return -delta/2 * ((n-=2)*n*n*n - 2) + firstNum;
}
if (type == 'bounceout') {
},
bounceout: function(p, n, firstNum, delta, duration) {
if ((n/=duration) < (1/2.75)) {
return delta*(7.5625*n*n) + firstNum;
} else if (n < (2/2.75)) {
@ -539,15 +554,24 @@ jQuery.extend({
} else {
return delta*(7.5625*(n-=(2.625/2.75))*n + .984375) + firstNum;
}
}
if (type == 'bouncein') {
return delta - jQuery.transitions (p, duration - n, 0, delta, duration, 'bounceout') + firstNum;
}
if (type == 'bounceboth') {
if (n < duration/2) return jQuery.transitions(p, n*2, 0, delta, duration, 'bouncein') * .5 + firstNum;
return jQuery.transitions(p, n*2-duration, 0, delta, duration, 'bounceout') * .5 + delta*.5 + firstNum;
}
if (type == 'elasticin') {
},
bouncein: function(p, n, firstNum, delta, duration) {
if (jQuery.easing.bounceout)
return delta - jQuery.easing.bounceout (p, duration - n, 0, delta, duration) + firstNum;
return firstNum + delta;
},
bounceboth: function(p, n, firstNum, delta, duration) {
if (jQuery.easing.bouncein && jQuery.easing.bounceout)
if (n < duration/2)
return jQuery.easing.bouncein(p, n*2, 0, delta, duration) * .5 + firstNum;
return jQuery.easing.bounceout(p, n*2-duration, 0, delta, duration) * .5 + delta*.5 + firstNum;
return firstNum + delta;
},
elasticin: function(p, n, firstNum, delta, duration) {
var nm, m, a, s;
if (n == 0)
return firstNum;
if ((n/=duration)==1)
@ -561,8 +585,10 @@ jQuery.extend({
s = p/(2*Math.PI) * Math.asin (delta/a);
}
return -(a*Math.pow(2,10*(n-=1)) * Math.sin( (n*duration-s)*(2*Math.PI)/p )) + firstNum;
}
if (type == 'elasticout') {
},
elasticout:function(p, n, firstNum, delta, duration) {
var nm, m, a, s;
if (n==0)
return firstNum;
if ((n/=duration/2)==2)
@ -576,8 +602,10 @@ jQuery.extend({
s = p/(2*Math.PI) * Math.asin (delta/a);
}
return a*Math.pow(2,-10*n) * Math.sin( (n*duration-s)*(2*Math.PI)/p ) + delta + firstNum;
}
if (type == 'elasticboth') {
},
elasticboth: function(p, n, firstNum, delta, duration) {
var nm, m, a, s;
if (n==0)
return firstNum;
if ((n/=duration/2)==2)
@ -597,4 +625,4 @@ jQuery.extend({
}
}
});
});