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/*!
* jQuery UI Effects Shake @VERSION
* http://jqueryui.com
*
* Copyright jQuery Foundation and other contributors
* Released under the MIT license.
* http://jquery.org/license
*/
//>>label: Shake Effect
//>>group: Effects
//>>description: Shakes an element horizontally or vertically n times.
//>>docs: http://api.jqueryui.com/shake-effect/
//>>demos: http://jqueryui.com/effect/
( function( factory ) {
if ( typeof define === "function" && define.amd ) {
// AMD. Register as an anonymous module.
define( [
"jquery",
"../version",
"../effect"
], factory );
} else {
// Browser globals
factory( jQuery );
}
}( function( $ ) {
return $.effects.define( "shake", function( options, done ) {
var i = 1,
element = $( this ),
direction = options.direction || "left",
distance = options.distance || 20,
times = options.times || 3,
anims = times * 2 + 1,
speed = Math.round( options.duration / anims ),
ref = ( direction === "up" || direction === "down" ) ? "top" : "left",
positiveMotion = ( direction === "up" || direction === "left" ),
animation = {},
animation1 = {},
animation2 = {},
queuelen = element.queue().length;
$.effects.createPlaceholder( element );
// Animation
animation[ ref ] = ( positiveMotion ? "-=" : "+=" ) + distance;
animation1[ ref ] = ( positiveMotion ? "+=" : "-=" ) + distance * 2;
animation2[ ref ] = ( positiveMotion ? "-=" : "+=" ) + distance * 2;
// Animate
element.animate( animation, speed, options.easing );
// Shakes
for ( ; i < times; i++ ) {
element.animate( animation1, speed, options.easing ).animate( animation2, speed, options.easing );
}
element
.animate( animation1, speed, options.easing )
.animate( animation, speed / 2, options.easing )
.queue( done );
$.effects.unshift( element, queuelen, anims + 1 );
} );
} ) );
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