openlayers

<!doctype html> <html lang="en"> <head> <title>Code coverage report for ol/kinetic.js</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../prettify.css" /> <link rel="stylesheet" href="../base.css" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <style type='text/css'> .coverage-summary .sorter { background-image: url(../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1> <a href="../index.html">all files</a> / <a href="index.html">ol/</a> kinetic.js </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 51.06% Statements 24/47 </div> <div class='fl pad1y space-right2'> 16.67% Branches 1/6 </div> <div class='fl pad1y space-right2'> 44.44% Functions 4/9 </div> <div class='fl pad1y space-right2'> 51.06% Lines 24/47 </div> </div> </div> <div class='status-line medium'></div> <pre><table class="coverage"> <tr><td class="line-count quiet">1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160</td><td class="line-coverage quiet">1×   1× 1× 1×                               1×           117×           117×           117×           117×           117×           117×             1× 57× 57× 57×               1× 1×             1× 57×     57×                                                       1×                                                   1×               1×               1×      </td><td class="text"><pre class="prettyprint lang-js">goog.provide('ol.Kinetic');   goog.require('ol.Coordinate'); goog.require('ol.PreRenderFunction'); goog.require('ol.animation');       /** * @classdesc * Implementation of inertial deceleration for map movement. * * @constructor * @param {number} decay Rate of decay (must be negative). * @param {number} minVelocity Minimum velocity (pixels/millisecond). * @param {number} delay Delay to consider to calculate the kinetic * initial values (milliseconds). * @struct * @api */ ol.Kinetic = function(decay, minVelocity, delay) {   /** * @private * @type {number} */ this.decay_ = decay;   /** * @private * @type {number} */ this.minVelocity_ = minVelocity;   /** * @private * @type {number} */ this.delay_ = delay;   /** * @private * @type {Array.<number>} */ this.points_ = [];   /** * @private * @type {number} */ this.angle_ = 0;   /** * @private * @type {number} */ this.initialVelocity_ = 0; };     /** * FIXME empty description for jsdoc */ ol.Kinetic.prototype.begin = function() { this.points_.length = 0; this.angle_ = 0; this.initialVelocity_ = 0; };     /** * @param {number} x X. * @param {number} y Y. */ ol.Kinetic.prototype.update = function(x, y) { this.points_.push(x, y, Date.now()); };     /** * @return {boolean} Whether we should do kinetic animation. */ ol.Kinetic.prototype.end = function() { Eif (this.points_.length < 6) { // at least 2 points are required (i.e. there must be at least 6 elements // in the array) return false; } var delay = Date.now() - this.delay_; var lastIndex = this.points_.length - 3; if (this.points_[lastIndex + 2] < delay) { // the last tracked point is too old, which means that the user stopped // panning before releasing the map return false; }   // get the first point which still falls into the delay time var firstIndex = lastIndex - 3; while (firstIndex > 0 && this.points_[firstIndex + 2] > delay) { firstIndex -= 3; } var duration = this.points_[lastIndex + 2] - this.points_[firstIndex + 2]; var dx = this.points_[lastIndex] - this.points_[firstIndex]; var dy = this.points_[lastIndex + 1] - this.points_[firstIndex + 1]; this.angle_ = Math.atan2(dy, dx); this.initialVelocity_ = Math.sqrt(dx * dx + dy * dy) / duration; return this.initialVelocity_ > this.minVelocity_; };     /** * @param {ol.Coordinate} source Source coordinate for the animation. * @return {ol.PreRenderFunction} Pre-render function for kinetic animation. */ ol.Kinetic.prototype.pan = function(source) { var decay = this.decay_; var initialVelocity = this.initialVelocity_; var velocity = this.minVelocity_ - initialVelocity; var duration = this.getDuration_(); var easingFunction = ( /** * @param {number} t T. * @return {number} Easing. */ function(t) { return initialVelocity * (Math.exp((decay * t) * duration) - 1) / velocity; }); return ol.animation.pan({ source: source, duration: duration, easing: easingFunction }); };     /** * @private * @return {number} Duration of animation (milliseconds). */ ol.Kinetic.prototype.getDuration_ = function() { return Math.log(this.minVelocity_ / this.initialVelocity_) / this.decay_; };     /** * @return {number} Total distance travelled (pixels). */ ol.Kinetic.prototype.getDistance = function() { return (this.minVelocity_ - this.initialVelocity_) / this.decay_; };     /** * @return {number} Angle of the kinetic panning animation (radians). */ ol.Kinetic.prototype.getAngle = function() { return this.angle_; };  </pre></td></tr> </table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="http://istanbul-js.org/" target="_blank">istanbul</a> at Fri Nov 06 2015 19:36:11 GMT+0100 (CET) </div> </div> <script src="../prettify.js"></script> <script> window.onload = function () { if (typeof prettyPrint === 'function') { prettyPrint(); } }; </script> <script src="../sorter.js"></script> </body> </html>