188 lines
No EOL
7.4 KiB
JavaScript
188 lines
No EOL
7.4 KiB
JavaScript
/*
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* based on jQuery Easing v1.3 - http://gsgd.co.uk/sandbox/jquery/easing/
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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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// t: current time, b: begInnIng value, c: change In value, d: duration
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exports.ease = {
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linear: function (t, b, c, d) { return c * t/d + b; },
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inQuad: function (t, b, c, d) { return c * (t/=d) * t + b; },
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outQuad: function (t, b, c, d) { return -c * (t/=d) * (t-2) + b; },
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inOutQuad: function (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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},
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inCubic: function (t, b, c, d) { return c*(t/=d)*t*t + b; },
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outCubic: function (t, b, c, d) { return c*((t=t/d-1)*t*t + 1) + b; },
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inOutCubic: function (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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inQuart: function (t, b, c, d) {
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return c*(t/=d)*t*t*t + b;
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},
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outQuart: function (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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inOutQuart: function (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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inQuint: function (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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outQuint: function (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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inOutQuint: function (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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inSine: function (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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outSine: function (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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inOutSine: function (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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inExpo: function (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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outExpo: function (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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inOutExpo: function (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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inCirc: function (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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outCirc: function (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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inOutCirc: function (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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inElastic: function (t, b, c, d) {
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var s=1.70158;var p=0;var a=c;
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if (t==0) return b; if ((t/=d)==1) return b+c; if (!p) p=d*.3;
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if (a < Math.abs(c)) { a=c; var s=p/4; }
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else var s = p/(2*Math.PI) * Math.asin (c/a);
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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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outElastic: function (t, b, c, d) {
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var s=1.70158;var p=0;var a=c;
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if (t==0) return b; if ((t/=d)==1) return b+c; if (!p) p=d*.3;
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if (a < Math.abs(c)) { a=c; var s=p/4; }
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else var s = p/(2*Math.PI) * Math.asin (c/a);
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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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inOutElastic: function (t, b, c, d) {
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var s=1.70158;var p=0;var a=c;
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if (t==0) return b; if ((t/=d/2)==2) return b+c; if (!p) p=d*(.3*1.5);
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if (a < Math.abs(c)) { a=c; var s=p/4; }
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else var s = p/(2*Math.PI) * Math.asin (c/a);
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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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inBack: function (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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outBack: function (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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inOutBack: function (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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inBounce: function (t, b, c, d) {
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return c - exports.ease.outBounce (d-t, 0, c, d) + b;
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},
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outBounce: function (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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inOutBounce: function (t, b, c, d) {
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if (t < d/2) return exports.ease.inBounce (t*2, 0, c, d) * .5 + b;
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return exports.ease.outBounce (t*2-d, 0, c, d) * .5 + c*.5 + b;
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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:
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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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*/ |