mirror of
https://github.com/jquery/jquery-ui.git
synced 2024-11-21 11:04:24 +00:00
Easings: Rewrote all easings to only rely on state and reduce code size. Fixes #8115 - Easings: Simplify equations to only rely on state.
This commit is contained in:
Scott González
parent
530d4cb408
commit
c0093b599f
@ -15,10 +15,9 @@
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</style>
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<script>
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$(function() {
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if ( !$( "<canvas/>" )[0].getContext ) {
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$( "<div/>" ).text(
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"Your browser doesn't support canvas, which is required for this demo. " +
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"Give Firefox 3 a try!"
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if ( !$( "<canvas>" )[0].getContext ) {
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$( "<div>" ).text(
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"Your browser doesn't support canvas, which is required for this demo."
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).appendTo( "#graphs" );
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return;
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}
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@ -26,15 +25,13 @@
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var i = 0,
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width = 100,
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height = 100;
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$.each( $.easing, function( name, impl ) {
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// skip linear/jswing and any non functioning implementation
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if ( !$.isFunction( impl ) || /jswing/.test( name ) ) {
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return;
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}
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var graph = $( "<div/>" ).addClass( "graph" ).appendTo( "#graphs" ),
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text = $( "<div/>" ).text( ++i + ". " + name ).appendTo( graph ),
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wrap = $( "<div/>" ).appendTo( graph ).css( 'overflow', 'hidden' ),
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canvas = $( "<canvas/>" ).appendTo( wrap )[ 0 ];
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var graph = $( "<div>" ).addClass( "graph" ).appendTo( "#graphs" ),
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text = $( "<div>" ).text( ++i + ". " + name ).appendTo( graph ),
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wrap = $( "<div>" ).appendTo( graph ).css( 'overflow', 'hidden' ),
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canvas = $( "<canvas>" ).appendTo( wrap )[ 0 ];
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canvas.width = width;
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canvas.height = height;
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var drawHeight = height * 0.8,
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@ -42,6 +39,7 @@
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ctx = canvas.getContext( "2d" );
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ctx.fillStyle = "black";
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// draw background
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ctx.beginPath();
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ctx.moveTo( cradius, 0 );
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ctx.quadraticCurveTo( 0, 0, 0, cradius );
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@ -53,31 +51,34 @@
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ctx.lineTo( cradius, 0 );
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ctx.fill();
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// draw bottom line
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ctx.strokeStyle = "#555";
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ctx.beginPath();
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ctx.moveTo( width * 0.1, drawHeight + .5 );
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ctx.lineTo( width * 0.9, drawHeight + .5 );
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ctx.stroke();
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// draw top line
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ctx.strokeStyle = "#555";
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ctx.beginPath();
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ctx.moveTo( width * 0.1, drawHeight * .3 - .5 );
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ctx.lineTo( width * 0.9, drawHeight * .3 - .5 );
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ctx.stroke();
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// plot easing
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ctx.strokeStyle = "white";
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ctx.beginPath();
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ctx.lineWidth = 2;
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ctx.moveTo( width * 0.1, drawHeight );
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$.each( new Array( width ), function( position ) {
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var val = impl( 0, position, 0, 1, height );
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if ( /linear|jswing/.test( name ) ) {
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val = position / width;
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}
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var state = position / width,
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val = impl( state, position, 0, 1, width );
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ctx.lineTo( position * 0.8 + width * 0.1,
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drawHeight - drawHeight * val * 0.7 );
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});
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ctx.stroke();
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// animate on click
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graph.click(function() {
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wrap
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.animate( { height: "hide" }, 2000, name )
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250
ui/jquery.effects.core.js
vendored
250
ui/jquery.effects.core.js
vendored
@ -662,229 +662,49 @@ $.fn.extend({
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/*********************************** EASING ***********************************/
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/******************************************************************************/
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/*
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* jQuery Easing v1.3 - http://gsgd.co.uk/sandbox/jquery/easing/
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*
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* Uses the built in easing capabilities added In jQuery 1.1
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* to offer multiple easing options
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*
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* TERMS OF USE - jQuery Easing
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*
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* Open source under the BSD License.
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*
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* Copyright 2008 George McGinley Smith
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* Neither the name of the author nor the names of contributors may be used to endorse
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* or promote products derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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// based on easing equations from Robert Penner (http://www.robertpenner.com/easing)
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// t: current time, b: begInnIng value, c: change In value, d: duration
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$.easing.jswing = $.easing.swing;
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var baseEasings = {};
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$.extend( $.easing, {
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def: "easeOutQuad",
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swing: function ( x, t, b, c, d ) {
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return $.easing[ $.easing.def ]( x, t, b, c, d );
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$.each( [ "Quad", "Cubic", "Quart", "Quint", "Expo" ], function( i, name ) {
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baseEasings[ name ] = function( p ) {
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return Math.pow( p, i + 2 );
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};
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});
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$.extend( baseEasings, {
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Sine: function ( p ) {
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return 1 - Math.cos( p * Math.PI / 2 );
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},
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easeInQuad: function ( x, t, b, c, d ) {
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return c * ( t /= d ) * t + b;
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Circ: function ( p ) {
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return 1 - Math.sqrt( 1 - p * p );
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},
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easeOutQuad: function ( x, t, b, c, d ) {
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return -c * ( t /= d ) * ( t - 2 ) + b;
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Elastic: function( p ) {
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return p === 0 || p === 1 ? p :
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-Math.pow( 2, 8 * (p - 1) ) * Math.sin( ( (p - 1) * 80 - 7.5 ) * Math.PI / 15 );
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},
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easeInOutQuad: function ( x, t, b, c, d ) {
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if ( ( t /= d / 2 ) < 1 ) return c / 2 * t * t + b;
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return -c / 2 * ( ( --t ) * ( t-2 ) - 1) + b;
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Back: function( p ) {
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return p * p * ( 3 * p - 2 );
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},
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easeInCubic: function ( x, t, b, c, d ) {
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return c * ( t /= d ) * t * t + b;
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},
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easeOutCubic: function ( x, t, b, c, d ) {
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return c * ( ( t = t / d - 1 ) * t * t + 1 ) + b;
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},
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easeInOutCubic: function ( x, t, b, c, d ) {
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if ( ( t /= d / 2 ) < 1 ) return c / 2 * t * t * t + b;
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return c / 2 * ( ( t -= 2 ) * t * t + 2) + b;
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},
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easeInQuart: function ( x, t, b, c, d ) {
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return c * ( t /= d ) * t * t * t + b;
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},
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easeOutQuart: function ( x, t, b, c, d ) {
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return -c * ( ( t = t / d - 1 ) * t * t * t - 1) + b;
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},
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easeInOutQuart: function ( x, t, b, c, d ) {
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if ( (t /= d / 2 ) < 1 ) return c / 2 * t * t * t * t + b;
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return -c / 2 * ( ( t -= 2 ) * t * t * t - 2) + b;
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},
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easeInQuint: function ( x, t, b, c, d ) {
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return c * ( t /= d ) * t * t * t * t + b;
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},
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easeOutQuint: function ( x, t, b, c, d ) {
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return c * ( ( t = t / d - 1 ) * t * t * t * t + 1) + b;
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},
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easeInOutQuint: function ( x, t, b, c, d ) {
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if ( ( t /= d / 2 ) < 1 ) return c / 2 * t * t * t * t * t + b;
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return c / 2 * ( ( t -= 2 ) * t * t * t * t + 2) + b;
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},
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easeInSine: function ( x, t, b, c, d ) {
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return -c * Math.cos( t / d * ( Math.PI / 2 ) ) + c + b;
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},
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easeOutSine: function ( x, t, b, c, d ) {
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return c * Math.sin( t / d * ( Math.PI /2 ) ) + b;
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},
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easeInOutSine: function ( x, t, b, c, d ) {
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return -c / 2 * ( Math.cos( Math.PI * t / d ) - 1 ) + b;
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},
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easeInExpo: function ( x, t, b, c, d ) {
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return ( t==0 ) ? b : c * Math.pow( 2, 10 * ( t / d - 1) ) + b;
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},
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easeOutExpo: function ( x, t, b, c, d ) {
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return ( t==d ) ? b + c : c * ( -Math.pow( 2, -10 * t / d) + 1) + b;
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},
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easeInOutExpo: function ( x, t, b, c, d ) {
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if ( t==0 ) return b;
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if ( t==d ) return b + c;
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if ( ( t /= d / 2) < 1) return c / 2 * Math.pow( 2, 10 * (t - 1) ) + b;
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return c / 2 * ( -Math.pow( 2, -10 * --t ) + 2 ) + b;
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},
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easeInCirc: function ( x, t, b, c, d ) {
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return -c * ( Math.sqrt( 1 - ( t /= d ) * t ) - 1 ) + b;
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},
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easeOutCirc: function ( x, t, b, c, d ) {
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return c * Math.sqrt( 1 - ( t = t / d - 1 ) * t ) + b;
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},
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easeInOutCirc: function ( x, t, b, c, d ) {
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if ( ( t /= d / 2) < 1 ) return -c / 2 * ( Math.sqrt( 1 - t * t ) - 1 ) + b;
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return c / 2 * ( Math.sqrt( 1 - ( t -= 2 ) * t ) + 1 ) + b;
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},
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easeInElastic: function ( x, t, b, c, d ) {
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var s = 1.70158,
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p = d * 0.3,
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a = c;
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if ( t == 0 ) return b;
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if ( ( t /= d ) == 1 ) return b+c;
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if ( a < Math.abs( c ) ) {
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a = c;
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s = p / 4;
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} else {
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s = p / ( 2 * Math.PI ) * Math.asin( c / a );
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}
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return - ( a * Math.pow( 2, 10 * ( t -= 1 ) ) * Math.sin( ( t * d - s) * ( 2 * Math.PI ) / p ) ) + b;
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},
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easeOutElastic: function ( x, t, b, c, d ) {
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var s = 1.70158,
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p = d * 0.3,
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a = c;
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if ( t == 0 ) return b;
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if ( ( t /= d ) == 1 ) return b+c;
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if ( a < Math.abs( c ) ) {
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a = c;
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s = p / 4;
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} else {
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s = p / ( 2 * Math.PI ) * Math.asin( c / a );
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}
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return a * Math.pow( 2, -10 * t ) * Math.sin( ( t * d - s ) * ( 2 * Math.PI ) / p ) + c + b;
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},
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easeInOutElastic: function ( x, t, b, c, d ) {
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var s = 1.70158,
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p = d * ( 0.3 * 1.5 ),
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a = c;
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if ( t == 0 ) return b;
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if ( ( t /= d / 2 ) == 2 ) return b+c;
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if ( a < Math.abs( c ) ) {
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a = c;
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s = p / 4;
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} else {
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s = p / ( 2 * Math.PI ) * Math.asin( c / a );
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}
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if ( t < 1 ) return -.5 * ( a * Math.pow( 2, 10 * ( t -= 1 ) ) * Math.sin( ( t * d - s ) * ( 2 * Math.PI ) / p ) ) + b;
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return a * Math.pow( 2, -10 * ( t -= 1 ) ) * Math.sin( ( t * d - s ) * ( 2 * Math.PI ) / p ) *.5 + c + b;
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},
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easeInBack: function ( x, t, b, c, d, s ) {
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if ( s == undefined ) s = 1.70158;
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return c * ( t /= d ) * t * ( ( s+1 ) * t - s ) + b;
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},
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easeOutBack: function ( x, t, b, c, d, s ) {
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if ( s == undefined ) s = 1.70158;
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return c * ( ( t = t / d - 1 ) * t * ( ( s + 1 ) * t + s) + 1) + b;
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},
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easeInOutBack: function ( x, t, b, c, d, s ) {
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if ( s == undefined ) s = 1.70158;
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if ( ( t /= d / 2 ) < 1 ) return c / 2 * ( t * t * ( ( ( s *= 1.525 ) + 1 ) * t - s ) ) + b;
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return c / 2 * ( ( t -= 2 ) * t * ( ( ( s *= 1.525 ) + 1 ) * t + s) + 2) + b;
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},
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easeInBounce: function ( x, t, b, c, d ) {
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return c - $.easing.easeOutBounce( x, d - t, 0, c, d ) + b;
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},
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easeOutBounce: function ( x, t, b, c, d ) {
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if ( ( t /= d ) < ( 1 / 2.75 ) ) {
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return c * ( 7.5625 * t * t ) + b;
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} else if ( t < ( 2 / 2.75 ) ) {
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return c * ( 7.5625 * ( t -= ( 1.5 / 2.75 ) ) * t + .75 ) + b;
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} else if ( t < ( 2.5 / 2.75 ) ) {
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return c * ( 7.5625 * ( t -= ( 2.25/ 2.75 ) ) * t + .9375 ) + b;
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} else {
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return c * ( 7.5625 * ( t -= ( 2.625 / 2.75 ) ) * t + .984375 ) + b;
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}
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},
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easeInOutBounce: function ( x, t, b, c, d ) {
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if ( t < d / 2 ) return $.easing.easeInBounce( x, t * 2, 0, c, d ) * .5 + b;
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return $.easing.easeOutBounce( x, t * 2 - d, 0, c, d ) * .5 + c * .5 + b;
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Bounce: function ( p ) {
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var pow2,
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bounce = 4;
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while ( p < ( ( pow2 = Math.pow( 2, --bounce ) ) - 1 ) / 11 ) {}
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return 1 / Math.pow( 4, 3 - bounce ) - 7.5625 * Math.pow( ( pow2 * 3 - 2 ) / 22 - p, 2 );
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}
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});
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/*
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*
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* TERMS OF USE - EASING EQUATIONS
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*
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* Open source under the BSD License.
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*
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* Copyright 2001 Robert Penner
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
|
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* are permitted provided that the following conditions are met:
|
||||
*
|
||||
* Redistributions of source code must retain the above copyright notice, this list of
|
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* conditions and the following disclaimer.
|
||||
* Redistributions in binary form must reproduce the above copyright notice, this list
|
||||
* of conditions and the following disclaimer in the documentation and/or other materials
|
||||
* provided with the distribution.
|
||||
*
|
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* Neither the name of the author nor the names of contributors may be used to endorse
|
||||
* or promote products derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
|
||||
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
||||
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
|
||||
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
||||
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
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* OF THE POSSIBILITY OF SUCH DAMAGE.
|
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*
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*/
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$.each( baseEasings, function( name, easeIn ) {
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$.easing[ "easeIn" + name ] = easeIn;
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$.easing[ "easeOut" + name ] = function( p ) {
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return 1 - easeIn( 1 - p );
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};
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$.easing[ "easeInOut" + name ] = function( p ) {
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return p < .5 ?
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easeIn( p * 2 ) / 2 :
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easeIn( p * -2 + 2 ) / -2 + 1;
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};
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});
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})(jQuery);
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