From 783f589fbf005a6a3211bff20e3e8aeb1ea0ac22 Mon Sep 17 00:00:00 2001 From: Stefan Petre Date: Thu, 4 Jan 2007 14:57:22 +0000 Subject: [PATCH] Changed transitions to easing. easing is now an object that can be extended to add new easing functions. --- src/fx/fx.js | 150 ++++++++++++++++++++++++++++++--------------------- 1 file changed, 89 insertions(+), 61 deletions(-) diff --git a/src/fx/fx.js b/src/fx/fx.js index 1a077f0a9..be8aee87d 100644 --- a/src/fx/fx.js +++ b/src/fx/fx.js @@ -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({ } } -}); +}); \ No newline at end of file -- 2.39.5