ckridgway@53: /*
ckridgway@53:  * jQuery Easing v1.3 - http://gsgd.co.uk/sandbox/jquery/easing/
ckridgway@53:  *
ckridgway@53:  * Uses the built in easing capabilities added In jQuery 1.1
ckridgway@53:  * to offer multiple easing options
ckridgway@53:  *
ckridgway@53:  * TERMS OF USE - jQuery Easing
ckridgway@53:  * 
ckridgway@53:  * Open source under the BSD License. 
ckridgway@53:  * 
ckridgway@53:  * Copyright © 2008 George McGinley Smith
ckridgway@53:  * All rights reserved.
ckridgway@53:  * 
ckridgway@53:  * Redistribution and use in source and binary forms, with or without modification, 
ckridgway@53:  * are permitted provided that the following conditions are met:
ckridgway@53:  * 
ckridgway@53:  * Redistributions of source code must retain the above copyright notice, this list of 
ckridgway@53:  * conditions and the following disclaimer.
ckridgway@53:  * Redistributions in binary form must reproduce the above copyright notice, this list 
ckridgway@53:  * of conditions and the following disclaimer in the documentation and/or other materials 
ckridgway@53:  * provided with the distribution.
ckridgway@53:  * 
ckridgway@53:  * Neither the name of the author nor the names of contributors may be used to endorse 
ckridgway@53:  * or promote products derived from this software without specific prior written permission.
ckridgway@53:  * 
ckridgway@53:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 
ckridgway@53:  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
ckridgway@53:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
ckridgway@53:  *  COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
ckridgway@53:  *  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
ckridgway@53:  *  GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 
ckridgway@53:  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
ckridgway@53:  *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 
ckridgway@53:  * OF THE POSSIBILITY OF SUCH DAMAGE. 
ckridgway@53:  *
ckridgway@53: */
ckridgway@53: 
ckridgway@53: // t: current time, b: begInnIng value, c: change In value, d: duration
ckridgway@53: jQuery.easing['jswing'] = jQuery.easing['swing'];
ckridgway@53: 
ckridgway@53: jQuery.extend( jQuery.easing,
ckridgway@53: {
ckridgway@53: 	def: 'easeOutQuad',
ckridgway@53: 	swing: function (x, t, b, c, d) {
ckridgway@53: 		//alert(jQuery.easing.default);
ckridgway@53: 		return jQuery.easing[jQuery.easing.def](x, t, b, c, d);
ckridgway@53: 	},
ckridgway@53: 	easeInQuad: function (x, t, b, c, d) {
ckridgway@53: 		return c*(t/=d)*t + b;
ckridgway@53: 	},
ckridgway@53: 	easeOutQuad: function (x, t, b, c, d) {
ckridgway@53: 		return -c *(t/=d)*(t-2) + b;
ckridgway@53: 	},
ckridgway@53: 	easeInOutQuad: function (x, t, b, c, d) {
ckridgway@53: 		if ((t/=d/2) < 1) return c/2*t*t + b;
ckridgway@53: 		return -c/2 * ((--t)*(t-2) - 1) + b;
ckridgway@53: 	},
ckridgway@53: 	easeInCubic: function (x, t, b, c, d) {
ckridgway@53: 		return c*(t/=d)*t*t + b;
ckridgway@53: 	},
ckridgway@53: 	easeOutCubic: function (x, t, b, c, d) {
ckridgway@53: 		return c*((t=t/d-1)*t*t + 1) + b;
ckridgway@53: 	},
ckridgway@53: 	easeInOutCubic: function (x, t, b, c, d) {
ckridgway@53: 		if ((t/=d/2) < 1) return c/2*t*t*t + b;
ckridgway@53: 		return c/2*((t-=2)*t*t + 2) + b;
ckridgway@53: 	},
ckridgway@53: 	easeInQuart: function (x, t, b, c, d) {
ckridgway@53: 		return c*(t/=d)*t*t*t + b;
ckridgway@53: 	},
ckridgway@53: 	easeOutQuart: function (x, t, b, c, d) {
ckridgway@53: 		return -c * ((t=t/d-1)*t*t*t - 1) + b;
ckridgway@53: 	},
ckridgway@53: 	easeInOutQuart: function (x, t, b, c, d) {
ckridgway@53: 		if ((t/=d/2) < 1) return c/2*t*t*t*t + b;
ckridgway@53: 		return -c/2 * ((t-=2)*t*t*t - 2) + b;
ckridgway@53: 	},
ckridgway@53: 	easeInQuint: function (x, t, b, c, d) {
ckridgway@53: 		return c*(t/=d)*t*t*t*t + b;
ckridgway@53: 	},
ckridgway@53: 	easeOutQuint: function (x, t, b, c, d) {
ckridgway@53: 		return c*((t=t/d-1)*t*t*t*t + 1) + b;
ckridgway@53: 	},
ckridgway@53: 	easeInOutQuint: function (x, t, b, c, d) {
ckridgway@53: 		if ((t/=d/2) < 1) return c/2*t*t*t*t*t + b;
ckridgway@53: 		return c/2*((t-=2)*t*t*t*t + 2) + b;
ckridgway@53: 	},
ckridgway@53: 	easeInSine: function (x, t, b, c, d) {
ckridgway@53: 		return -c * Math.cos(t/d * (Math.PI/2)) + c + b;
ckridgway@53: 	},
ckridgway@53: 	easeOutSine: function (x, t, b, c, d) {
ckridgway@53: 		return c * Math.sin(t/d * (Math.PI/2)) + b;
ckridgway@53: 	},
ckridgway@53: 	easeInOutSine: function (x, t, b, c, d) {
ckridgway@53: 		return -c/2 * (Math.cos(Math.PI*t/d) - 1) + b;
ckridgway@53: 	},
ckridgway@53: 	easeInExpo: function (x, t, b, c, d) {
ckridgway@53: 		return (t==0) ? b : c * Math.pow(2, 10 * (t/d - 1)) + b;
ckridgway@53: 	},
ckridgway@53: 	easeOutExpo: function (x, t, b, c, d) {
ckridgway@53: 		return (t==d) ? b+c : c * (-Math.pow(2, -10 * t/d) + 1) + b;
ckridgway@53: 	},
ckridgway@53: 	easeInOutExpo: function (x, t, b, c, d) {
ckridgway@53: 		if (t==0) return b;
ckridgway@53: 		if (t==d) return b+c;
ckridgway@53: 		if ((t/=d/2) < 1) return c/2 * Math.pow(2, 10 * (t - 1)) + b;
ckridgway@53: 		return c/2 * (-Math.pow(2, -10 * --t) + 2) + b;
ckridgway@53: 	},
ckridgway@53: 	easeInCirc: function (x, t, b, c, d) {
ckridgway@53: 		return -c * (Math.sqrt(1 - (t/=d)*t) - 1) + b;
ckridgway@53: 	},
ckridgway@53: 	easeOutCirc: function (x, t, b, c, d) {
ckridgway@53: 		return c * Math.sqrt(1 - (t=t/d-1)*t) + b;
ckridgway@53: 	},
ckridgway@53: 	easeInOutCirc: function (x, t, b, c, d) {
ckridgway@53: 		if ((t/=d/2) < 1) return -c/2 * (Math.sqrt(1 - t*t) - 1) + b;
ckridgway@53: 		return c/2 * (Math.sqrt(1 - (t-=2)*t) + 1) + b;
ckridgway@53: 	},
ckridgway@53: 	easeInElastic: function (x, t, b, c, d) {
ckridgway@53: 		var s=1.70158;var p=0;var a=c;
ckridgway@53: 		if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
ckridgway@53: 		if (a < Math.abs(c)) { a=c; var s=p/4; }
ckridgway@53: 		else var s = p/(2*Math.PI) * Math.asin (c/a);
ckridgway@53: 		return -(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
ckridgway@53: 	},
ckridgway@53: 	easeOutElastic: function (x, t, b, c, d) {
ckridgway@53: 		var s=1.70158;var p=0;var a=c;
ckridgway@53: 		if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
ckridgway@53: 		if (a < Math.abs(c)) { a=c; var s=p/4; }
ckridgway@53: 		else var s = p/(2*Math.PI) * Math.asin (c/a);
ckridgway@53: 		return a*Math.pow(2,-10*t) * Math.sin( (t*d-s)*(2*Math.PI)/p ) + c + b;
ckridgway@53: 	},
ckridgway@53: 	easeInOutElastic: function (x, t, b, c, d) {
ckridgway@53: 		var s=1.70158;var p=0;var a=c;
ckridgway@53: 		if (t==0) return b;  if ((t/=d/2)==2) return b+c;  if (!p) p=d*(.3*1.5);
ckridgway@53: 		if (a < Math.abs(c)) { a=c; var s=p/4; }
ckridgway@53: 		else var s = p/(2*Math.PI) * Math.asin (c/a);
ckridgway@53: 		if (t < 1) return -.5*(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
ckridgway@53: 		return a*Math.pow(2,-10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )*.5 + c + b;
ckridgway@53: 	},
ckridgway@53: 	easeInBack: function (x, t, b, c, d, s) {
ckridgway@53: 		if (s == undefined) s = 1.70158;
ckridgway@53: 		return c*(t/=d)*t*((s+1)*t - s) + b;
ckridgway@53: 	},
ckridgway@53: 	easeOutBack: function (x, t, b, c, d, s) {
ckridgway@53: 		if (s == undefined) s = 1.70158;
ckridgway@53: 		return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b;
ckridgway@53: 	},
ckridgway@53: 	easeInOutBack: function (x, t, b, c, d, s) {
ckridgway@53: 		if (s == undefined) s = 1.70158; 
ckridgway@53: 		if ((t/=d/2) < 1) return c/2*(t*t*(((s*=(1.525))+1)*t - s)) + b;
ckridgway@53: 		return c/2*((t-=2)*t*(((s*=(1.525))+1)*t + s) + 2) + b;
ckridgway@53: 	},
ckridgway@53: 	easeInBounce: function (x, t, b, c, d) {
ckridgway@53: 		return c - jQuery.easing.easeOutBounce (x, d-t, 0, c, d) + b;
ckridgway@53: 	},
ckridgway@53: 	easeOutBounce: function (x, t, b, c, d) {
ckridgway@53: 		if ((t/=d) < (1/2.75)) {
ckridgway@53: 			return c*(7.5625*t*t) + b;
ckridgway@53: 		} else if (t < (2/2.75)) {
ckridgway@53: 			return c*(7.5625*(t-=(1.5/2.75))*t + .75) + b;
ckridgway@53: 		} else if (t < (2.5/2.75)) {
ckridgway@53: 			return c*(7.5625*(t-=(2.25/2.75))*t + .9375) + b;
ckridgway@53: 		} else {
ckridgway@53: 			return c*(7.5625*(t-=(2.625/2.75))*t + .984375) + b;
ckridgway@53: 		}
ckridgway@53: 	},
ckridgway@53: 	easeInOutBounce: function (x, t, b, c, d) {
ckridgway@53: 		if (t < d/2) return jQuery.easing.easeInBounce (x, t*2, 0, c, d) * .5 + b;
ckridgway@53: 		return jQuery.easing.easeOutBounce (x, t*2-d, 0, c, d) * .5 + c*.5 + b;
ckridgway@53: 	}
ckridgway@53: });
ckridgway@53: 
ckridgway@53: /*
ckridgway@53:  *
ckridgway@53:  * TERMS OF USE - EASING EQUATIONS
ckridgway@53:  * 
ckridgway@53:  * Open source under the BSD License. 
ckridgway@53:  * 
ckridgway@53:  * Copyright © 2001 Robert Penner
ckridgway@53:  * All rights reserved.
ckridgway@53:  * 
ckridgway@53:  * Redistribution and use in source and binary forms, with or without modification, 
ckridgway@53:  * are permitted provided that the following conditions are met:
ckridgway@53:  * 
ckridgway@53:  * Redistributions of source code must retain the above copyright notice, this list of 
ckridgway@53:  * conditions and the following disclaimer.
ckridgway@53:  * Redistributions in binary form must reproduce the above copyright notice, this list 
ckridgway@53:  * of conditions and the following disclaimer in the documentation and/or other materials 
ckridgway@53:  * provided with the distribution.
ckridgway@53:  * 
ckridgway@53:  * Neither the name of the author nor the names of contributors may be used to endorse 
ckridgway@53:  * or promote products derived from this software without specific prior written permission.
ckridgway@53:  * 
ckridgway@53:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 
ckridgway@53:  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
ckridgway@53:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
ckridgway@53:  *  COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
ckridgway@53:  *  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
ckridgway@53:  *  GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 
ckridgway@53:  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
ckridgway@53:  *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 
ckridgway@53:  * OF THE POSSIBILITY OF SUCH DAMAGE. 
ckridgway@53:  *
ckridgway@53:  */