working animation framework
This commit is contained in:
Sebastian Wiedenroth
parent
332b9b8f70
commit
d80e08f2c9
5 changed files with 279 additions and 4 deletions
56
anim.js
Normal file
56
anim.js
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@ -0,0 +1,56 @@
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var ease = require('./easing.js').ease
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var resolution = 30;
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exports.Anim = function(universe) {
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this.universe = universe;
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this.fx_stack = [];
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this.add = function(to, duration, options) {
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var options = options || {};
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options['easing'] = options['easing'] || 'linear';
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this.fx_stack.push({'to': to, 'duration': duration, 'options': options});
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return this;
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}
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this.delay = function(duration) {
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return this.add({}, duration);
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}
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this.run = function(onFinish) {
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var config = {}
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, t = 0
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, d = 0
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, a
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;
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var fx_stack = this.fx_stack;
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var ani_setup = function() {
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a = fx_stack.shift();
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t = 0;
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d = a.duration;
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config = {}
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for(var k in a.to) {
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config[k] = {
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'start': universe.get(k),
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'end': a.to[k]
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}
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}
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}
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var ani_step = function() {
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new_vals = {};
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for(var k in config) {
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new_vals[k] = Math.round(config[k].start + ease['linear'](t, 0, 1, d) * (config[k].end - config[k].start))
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}
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t = t + resolution;
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universe.update(new_vals);
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if(t > d) {
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if(fx_stack.length > 0) {
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ani_setup()
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} else {
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clearInterval(iid);
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if(onFinish) onFinish();
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}
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}
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}
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ani_setup();
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var iid = setInterval(ani_step, resolution);
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}
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}
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19
dmx.js
19
dmx.js
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@ -1,7 +1,20 @@
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var drv = require('./drivers/enttec-usb-dmx-pro.js');
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var drv = require('./drivers/enttec-usb-dmx-pro.js');
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universe = new drv.init(0);
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universe = new drv.init(0);
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universe.update({0: 1, 1:0xff, 6: 20, 7: 0xff}, 20)
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universe.update({0: 1, 1: 0})
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function done() {console.log('DONE')}
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var A = require('./anim.js').Anim;
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var x = new A(universe)
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.add({1: 255, 6: 110, 7: 255, 8: 10}, 1200)
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.delay(1000)
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.add({1: 0}, 600)
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.add({1: 255}, 600)
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.add({5: 255, 6: 128}, 1000)
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.add({1: 0}, 100)
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.add({1: 255}, 100)
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.add({1: 0}, 200)
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.add({1: 255}, 200)
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.add({1: 0}, 100)
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.add({1: 255}, 100)
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.run(done);
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@ -26,6 +26,7 @@ exports.init = function(dev_id) {
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])
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])
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console.log(msg)
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console.log(msg)
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dev.write(msg)
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dev.write(msg)
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dev.write(msg)
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}
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}
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var universe = new Buffer(512)
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var universe = new Buffer(512)
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@ -42,9 +43,13 @@ exports.init = function(dev_id) {
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}
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}
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}
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}
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this.get = function(c) {
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return universe[c];
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}
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setInterval(function() {
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setInterval(function() {
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send_universe(dev, universe);
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send_universe(dev, universe);
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}, 1000);
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}, 30);
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return this;
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return this;
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}
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}
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13
drivers/null.js
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13
drivers/null.js
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@ -0,0 +1,13 @@
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exports.init = function(dev_id) {
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var universe = new Buffer(512)
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universe.fill(0)
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this.update = function(u) {
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console.log(u);
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}
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this.get = function(k) {
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return universe[k];
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}
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return this;
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}
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188
easing.js
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188
easing.js
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@ -0,0 +1,188 @@
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/*
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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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*/
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