/*!

 * jQuery UI Effects Shake 1.12.1

 * 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",

			"./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 );

} );

} ) );