first commit

node_modules/bezier-easing/dist/bezier-easing.js

@@ -0,0 +1,111 @@
+(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.BezierEasing = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
+/**
+ * https://github.com/gre/bezier-easing
+ * BezierEasing - use bezier curve for transition easing function
+ * by Gaëtan Renaudeau 2014 - 2015 – MIT License
+ */
+
+// These values are established by empiricism with tests (tradeoff: performance VS precision)
+var NEWTON_ITERATIONS = 4;
+var NEWTON_MIN_SLOPE = 0.001;
+var SUBDIVISION_PRECISION = 0.0000001;
+var SUBDIVISION_MAX_ITERATIONS = 10;
+
+var kSplineTableSize = 11;
+var kSampleStepSize = 1.0 / (kSplineTableSize - 1.0);
+
+var float32ArraySupported = typeof Float32Array === 'function';
+
+function A (aA1, aA2) { return 1.0 - 3.0 * aA2 + 3.0 * aA1; }
+function B (aA1, aA2) { return 3.0 * aA2 - 6.0 * aA1; }
+function C (aA1)      { return 3.0 * aA1; }
+
+// Returns x(t) given t, x1, and x2, or y(t) given t, y1, and y2.
+function calcBezier (aT, aA1, aA2) { return ((A(aA1, aA2) * aT + B(aA1, aA2)) * aT + C(aA1)) * aT; }
+
+// Returns dx/dt given t, x1, and x2, or dy/dt given t, y1, and y2.
+function getSlope (aT, aA1, aA2) { return 3.0 * A(aA1, aA2) * aT * aT + 2.0 * B(aA1, aA2) * aT + C(aA1); }
+
+function binarySubdivide (aX, aA, aB, mX1, mX2) {
+  var currentX, currentT, i = 0;
+  do {
+    currentT = aA + (aB - aA) / 2.0;
+    currentX = calcBezier(currentT, mX1, mX2) - aX;
+    if (currentX > 0.0) {
+      aB = currentT;
+    } else {
+      aA = currentT;
+    }
+  } while (Math.abs(currentX) > SUBDIVISION_PRECISION && ++i < SUBDIVISION_MAX_ITERATIONS);
+  return currentT;
+}
+
+function newtonRaphsonIterate (aX, aGuessT, mX1, mX2) {
+ for (var i = 0; i < NEWTON_ITERATIONS; ++i) {
+   var currentSlope = getSlope(aGuessT, mX1, mX2);
+   if (currentSlope === 0.0) {
+     return aGuessT;
+   }
+   var currentX = calcBezier(aGuessT, mX1, mX2) - aX;
+   aGuessT -= currentX / currentSlope;
+ }
+ return aGuessT;
+}
+
+function LinearEasing (x) {
+  return x;
+}
+
+module.exports = function bezier (mX1, mY1, mX2, mY2) {
+  if (!(0 <= mX1 && mX1 <= 1 && 0 <= mX2 && mX2 <= 1)) {
+    throw new Error('bezier x values must be in [0, 1] range');
+  }
+
+  if (mX1 === mY1 && mX2 === mY2) {
+    return LinearEasing;
+  }
+
+  // Precompute samples table
+  var sampleValues = float32ArraySupported ? new Float32Array(kSplineTableSize) : new Array(kSplineTableSize);
+  for (var i = 0; i < kSplineTableSize; ++i) {
+    sampleValues[i] = calcBezier(i * kSampleStepSize, mX1, mX2);
+  }
+
+  function getTForX (aX) {
+    var intervalStart = 0.0;
+    var currentSample = 1;
+    var lastSample = kSplineTableSize - 1;
+
+    for (; currentSample !== lastSample && sampleValues[currentSample] <= aX; ++currentSample) {
+      intervalStart += kSampleStepSize;
+    }
+    --currentSample;
+
+    // Interpolate to provide an initial guess for t
+    var dist = (aX - sampleValues[currentSample]) / (sampleValues[currentSample + 1] - sampleValues[currentSample]);
+    var guessForT = intervalStart + dist * kSampleStepSize;
+
+    var initialSlope = getSlope(guessForT, mX1, mX2);
+    if (initialSlope >= NEWTON_MIN_SLOPE) {
+      return newtonRaphsonIterate(aX, guessForT, mX1, mX2);
+    } else if (initialSlope === 0.0) {
+      return guessForT;
+    } else {
+      return binarySubdivide(aX, intervalStart, intervalStart + kSampleStepSize, mX1, mX2);
+    }
+  }
+
+  return function BezierEasing (x) {
+    // Because JavaScript number are imprecise, we should guarantee the extremes are right.
+    if (x === 0) {
+      return 0;
+    }
+    if (x === 1) {
+      return 1;
+    }
+    return calcBezier(getTForX(x), mY1, mY2);
+  };
+};
+
+},{}]},{},[1])(1)
+});

node_modules/bezier-easing/dist/bezier-easing.min.js

@@ -0,0 +1 @@
+!function(r){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=r();else if("function"==typeof define&&define.amd)define([],r);else{("undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this).BezierEasing=r()}}(function(){return function f(u,i,a){function c(n,r){if(!i[n]){if(!u[n]){var e="function"==typeof require&&require;if(!r&&e)return e(n,!0);if(d)return d(n,!0);var t=new Error("Cannot find module '"+n+"'");throw t.code="MODULE_NOT_FOUND",t}var o=i[n]={exports:{}};u[n][0].call(o.exports,function(r){return c(u[n][1][r]||r)},o,o.exports,f,u,i,a)}return i[n].exports}for(var d="function"==typeof require&&require,r=0;r<a.length;r++)c(a[r]);return c}({1:[function(r,n,e){var a=4,c=1e-7,d=10,o="function"==typeof Float32Array;function t(r,n){return 1-3*n+3*r}function f(r,n){return 3*n-6*r}function u(r){return 3*r}function l(r,n,e){return((t(n,e)*r+f(n,e))*r+u(n))*r}function p(r,n,e){return 3*t(n,e)*r*r+2*f(n,e)*r+u(n)}function s(r){return r}n.exports=function(f,n,u,e){if(!(0<=f&&f<=1&&0<=u&&u<=1))throw new Error("bezier x values must be in [0, 1] range");if(f===n&&u===e)return s;for(var i=o?new Float32Array(11):new Array(11),r=0;r<11;++r)i[r]=l(.1*r,f,u);function t(r){for(var n=0,e=1;10!==e&&i[e]<=r;++e)n+=.1;var t=n+.1*((r-i[--e])/(i[e+1]-i[e])),o=p(t,f,u);return.001<=o?function(r,n,e,t){for(var o=0;o<a;++o){var f=p(n,e,t);if(0===f)return n;n-=(l(n,e,t)-r)/f}return n}(r,t,f,u):0===o?t:function(r,n,e,t,o){for(var f,u,i=0;0<(f=l(u=n+(e-n)/2,t,o)-r)?e=u:n=u,Math.abs(f)>c&&++i<d;);return u}(r,n,n+.1,f,u)}return function(r){return 0===r?0:1===r?1:l(t(r),n,e)}}},{}]},{},[1])(1)});