186 lines
34 KiB
JavaScript
186 lines
34 KiB
JavaScript
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/*!
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*
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* leaflet.motion - v0.2.4 (https://github.com/Igor-Vladyka/leaflet.motion#readme)
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* Animation plugin for Leaflet.js
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*
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* MIT (http://www.opensource.org/licenses/mit-license.php)
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* (c) 2020 Igor Vladyka <igor.vladyka@gmail.com> (https://github.com/Igor-Vladyka/)
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*
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*/
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/******/ (function(modules) { // webpackBootstrap
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/******/ // The module cache
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/******/ var installedModules = {};
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/******/
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/******/ // The require function
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/******/ function __webpack_require__(moduleId) {
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/******/
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/******/ // Check if module is in cache
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/******/ if(installedModules[moduleId]) {
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/******/ return installedModules[moduleId].exports;
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/******/ }
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/******/ // Create a new module (and put it into the cache)
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/******/ var module = installedModules[moduleId] = {
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/******/ i: moduleId,
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/******/ l: false,
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/******/ exports: {}
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/******/ };
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/******/
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/******/ // Execute the module function
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/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
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/******/
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/******/ // Flag the module as loaded
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/******/ module.l = true;
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/******/
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/******/ // Return the exports of the module
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/******/ return module.exports;
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/******/ }
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/******/
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/******/
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/******/ // expose the modules object (__webpack_modules__)
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/******/ __webpack_require__.m = modules;
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/******/
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/******/ // expose the module cache
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/******/ __webpack_require__.c = installedModules;
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/******/
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/******/ // define getter function for harmony exports
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/******/ __webpack_require__.d = function(exports, name, getter) {
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/******/ if(!__webpack_require__.o(exports, name)) {
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/******/ Object.defineProperty(exports, name, { enumerable: true, get: getter });
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/******/ }
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/******/ };
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/******/
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/******/ // define __esModule on exports
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/******/ __webpack_require__.r = function(exports) {
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/******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
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/******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
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/******/ }
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/******/ Object.defineProperty(exports, '__esModule', { value: true });
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/******/ };
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/******/
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/******/ // create a fake namespace object
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/******/ // mode & 1: value is a module id, require it
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/******/ // mode & 2: merge all properties of value into the ns
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/******/ // mode & 4: return value when already ns object
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/******/ // mode & 8|1: behave like require
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/******/ __webpack_require__.t = function(value, mode) {
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/******/ if(mode & 1) value = __webpack_require__(value);
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/******/ if(mode & 8) return value;
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/******/ if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
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/******/ var ns = Object.create(null);
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/******/ __webpack_require__.r(ns);
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/******/ Object.defineProperty(ns, 'default', { enumerable: true, value: value });
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/******/ if(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
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/******/ return ns;
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/******/ };
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/******/
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/******/ // getDefaultExport function for compatibility with non-harmony modules
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/******/ __webpack_require__.n = function(module) {
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/******/ var getter = module && module.__esModule ?
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/******/ function getDefault() { return module['default']; } :
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/******/ function getModuleExports() { return module; };
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/******/ __webpack_require__.d(getter, 'a', getter);
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/******/ return getter;
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/******/ };
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/******/
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/******/ // Object.prototype.hasOwnProperty.call
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/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
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/******/
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/******/ // __webpack_public_path__
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/******/ __webpack_require__.p = "";
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/******/
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/******/
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/******/ // Load entry module and return exports
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/******/ return __webpack_require__(__webpack_require__.s = 0);
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/******/ })
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/************************************************************************/
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/******/ ({
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/***/ "./src/layer/leaflet.motion.group.js":
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/*!*******************************************!*\
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!*** ./src/layer/leaflet.motion.group.js ***!
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\*******************************************/
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/*! no static exports found */
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/***/ (function(module, exports) {
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eval("/**\n\tMIT License http://www.opensource.org/licenses/mit-license.php\n\tAuthor Igor Vladyka <igor.vladyka@gmail.com> (https://github.com/Igor-Vladyka/leaflet.motion)\n**/\n\nL.Motion.Group = L.FeatureGroup.extend ({\n\toptions: {\n\t\tpane: L.Motion.Animate.options.pane,\n\t\tattribution: L.Motion.Animate.options.attribution,\n\t},\n\n\t/**\n\t\tStarts all motions in current group;\n\t*/\n\tmotionStart: function () {\n\t\tthis.invoke(\"motionStart\");\n\t\tthis.fire(L.Motion.Event.Started, {layer: this}, false);\n\t\treturn this;\n\t},\n\n\t/**\n\t\tStops all motions in current group;\n\t*/\n\tmotionStop: function () {\n\t\tthis.invoke(\"motionStop\");\n\t\tthis.fire(L.Motion.Event.Ended, {layer: this}, false);\n\t\treturn this;\n\t},\n\n\t/**\n\t\tPauses all motions in current group;\n\t*/\n\tmotionPause: function () {\n\t\tthis.invoke(\"motionPause\");\n\t\tthis.fire(L.Motion.Event.Paused, {layer: this}, false);\n\t\treturn this;\n\t},\n\n\t/**\n\t\tReset all motions in current group;\n\t*/\n\tmotionResume: function () {\n\t\tthis.invoke(\"motionResume\");\n\t\tthis.fire(L.Motion.Event.Resumed, {layer: this}, false);\n\t\treturn this;\n\t},\n\n\t/**\n\t\tReset all motions in current group;\n\t*/\n\tmotionToggle: function () {\n\t\tthis.invoke(\"motionToggle\");\n\t\treturn this;\n\t},\n\n\t/**\n\t\tReturns markers array from all inner layers without flattering.\n\t*/\n\tgetMarkers: function () {\n\t\treturn this.getLayers().map(function(l) { return l.getMarkers(); });\n\t}\n});\n\nL.motion.group = function(motions, options){\n return new L.Motion.Group(motions, options);\n};\n\n\n//# sourceURL=webpack:///./src/layer/leaflet.motion.group.js?");
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/***/ }),
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/***/ "./src/layer/leaflet.motion.polygon.js":
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/*!*********************************************!*\
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!*** ./src/layer/leaflet.motion.polygon.js ***!
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\*********************************************/
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/*! no static exports found */
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/***/ (function(module, exports) {
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eval("/**\n\tMIT License http://www.opensource.org/licenses/mit-license.php\n\tAuthor Igor Vladyka <igor.vladyka@gmail.com> (https://github.com/Igor-Vladyka/leaflet.motion)\n**/\n\nL.Motion.Polygon = L.Polygon.extend(L.Motion.Animate);\n\nL.motion.polygon = function(latlngs, options, motionOptions, markerOptions){\n return new L.Motion.Polygon(latlngs, options, motionOptions, markerOptions);\n};\n\n\n//# sourceURL=webpack:///./src/layer/leaflet.motion.polygon.js?");
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/***/ }),
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/***/ "./src/layer/leaflet.motion.polyline.js":
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/*!**********************************************!*\
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!*** ./src/layer/leaflet.motion.polyline.js ***!
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\**********************************************/
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/*! no static exports found */
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/***/ (function(module, exports) {
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eval("/**\n\tMIT License http://www.opensource.org/licenses/mit-license.php\n\tAuthor Igor Vladyka <igor.vladyka@gmail.com> (https://github.com/Igor-Vladyka/leaflet.motion)\n**/\n\nL.Motion.Polyline = L.Polyline.extend(L.Motion.Animate);\n\nL.motion.polyline = function(latlngs, options, motionOptions, markerOptions){\n return new L.Motion.Polyline(latlngs, options, motionOptions, markerOptions);\n};\n\n\n//# sourceURL=webpack:///./src/layer/leaflet.motion.polyline.js?");
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/***/ }),
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/***/ "./src/layer/leaflet.motion.seq.js":
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/*!*****************************************!*\
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!*** ./src/layer/leaflet.motion.seq.js ***!
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\*****************************************/
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/*! no static exports found */
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/***/ (function(module, exports) {
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eval("/**\n\tMIT License http://www.opensource.org/licenses/mit-license.php\n\tAuthor Igor Vladyka <igor.vladyka@gmail.com> (https://github.com/Igor-Vladyka/leaflet.motion)\n**/\n\nL.Motion.Seq = L.Motion.Group.extend ({\n\t_activeLayer: null,\n\n\t/**\n\t\tStart first motion in current group;\n\t*/\n\tmotionStart: function() {\n\t\tvar layer = this.getFirstLayer();\n\t\tif (layer) {\n\t\t\tthis.__prepareStart();\n\t\t\tlayer.motionStart();\n\t\t\tthis.fire(L.Motion.Event.Started, {layer: this}, false);\n\t\t}\n\n\t\treturn this;\n\t},\n\n\t/**\n\t\tStops all motions in current group;\n\t*/\n\tmotionStop: function() {\n\t\tthis.invoke(\"motionStop\");\n\t\tthis._activeLayer = null;\n\t\tthis.fire(L.Motion.Event.Ended, {layer: this}, false);\n\n\t\treturn this;\n\t},\n\n\t/**\n\t\tPause current motion in current group;\n\t*/\n\tmotionPause: function() {\n\t\tif (this._activeLayer) {\n\t\t\tthis._activeLayer.motionPause();\n\t\t\tthis.fire(L.Motion.Event.Paused, {layer: this}, false);\n\t\t}\n\n\t\treturn this;\n\t},\n\n\t/**\n\t\tResume last motion in current group;\n\t*/\n\tmotionResume: function() {\n\t\tif (this._activeLayer) {\n\t\t\tthis._activeLayer.motionResume();\n\t\t\tthis.fire(L.Motion.Event.Resumed, {layer: this}, false);\n\t\t}\n\n\t\treturn this;\n\t},\n\n\t/**\n\t\tReset all motions in current group;\n\t*/\n\tmotionToggle: function () {\n\t\tif (this._activeLayer) {\n\t\t\tthis.motionPause();\n\t\t} else {\n\t\t\tthis.motionResume();\n\t\t}\n\n\t\treturn this;\n\t},\n\n\tgetFirstLayer: function() {\n\t\tvar allLayers = this.getLayers();\n\t\treturn allLayers.length ? allLayers[0] : null;\n\t},\n\n\t__prepareStart: function() {\n\t\tvar self = this;\n\t\tthis.getLayers().forEach(function(l){\n\t\t\tl.setLatLngs([]);\n\t\t\t\n\t\t\tl.off(L.Motion.Event.Ended, self.__clearActiveLayer__, self);\n\t\t\tl.on(L.Motion.Event.Ended, self.__clearActiveLayer__, self);\n\n\t\t\tl.off(L.Motion.Event.Started, self.__putActiveLayer__, self);\n\t\t\tl.on(L.Motion.Event.Started, self.__putActiveLayer__, self);\n\t\t});\n\t},\n\n\t__clearActiveLayer__: function (e) {\n\t\tthis._activeLayer = null;\n\t\tvar layers = this.getLayers();\n\t\tvar currentId = e.layer._leaflet_id;\n\t\tvar currentObject = layers.filter(function(f){ return f._leaflet_id == currentId })[0];\n\t\tvar nextIndex = layers.indexOf(currentObject) + 1;\n\t\tif (layers.length > nextIndex) {\n\t\t\tlayers[nextIndex].motionStart();\n\t\t} else {\n\t\t\tthis.fire(L.Motion.Event.Ended, {layer: this}, false);\n\t\t}\n\t},\n\n\t__putActiveLayer__: function (e) {\n\t\tthis._activeLayer = e.layer;\n\t\tthis.fire(L.Motion.Event.Section, {layer: this._activeLayer}, false);\n\t}\n});\n\nL.motion.seq = function(motion, options){\n return new L.Motion.Seq(motion, options);\n};\n\n\n//# sourceURL=webpack:///./src/layer/leaflet.motion.seq.js?");
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/***/ }),
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/***/ "./src/leaflet.motion.easing.js":
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/*!**************************************!*\
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!*** ./src/leaflet.motion.easing.js ***!
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\**************************************/
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/*! no static exports found */
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/***/ (function(module, exports) {
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eval("/**\n\tMIT License http://www.opensource.org/licenses/mit-license.php\n\tAuthor Igor Vladyka <igor.vladyka@gmail.com> (https://github.com/Igor-Vladyka/leaflet.motion)\n**/\n\nL.Motion.Ease = {\n\tlinear: function( x ) {\n\t\treturn x;\n\t},\n\tswing: function( x ) {\n\t\treturn 0.5 - Math.cos( x * Math.PI ) / 2;\n\t},\n\teaseInQuad: function (x, t, b, c, d) {\n\t\treturn c*(t/=d)*t + b;\n\t},\n\teaseOutQuad: function (x, t, b, c, d) {\n\t\treturn -c *(t/=d)*(t-2) + b;\n\t},\n\teaseInOutQuad: function (x, t, b, c, d) {\n\t\tif ((t/=d/2) < 1) return c/2*t*t + b;\n\t\treturn -c/2 * ((--t)*(t-2) - 1) + b;\n\t},\n\teaseInCubic: function (x, t, b, c, d) {\n\t\treturn c*(t/=d)*t*t + b;\n\t},\n\teaseOutCubic: function (x, t, b, c, d) {\n\t\treturn c*((t=t/d-1)*t*t + 1) + b;\n\t},\n\teaseInOutCubic: function (x, t, b, c, d) {\n\t\tif ((t/=d/2) < 1) return c/2*t*t*t + b;\n\t\treturn c/2*((t-=2)*t*t + 2) + b;\n\t},\n\teaseInQuart: function (x, t, b, c, d) {\n\t\treturn c*(t/=d)*t*t*t + b;\n\t},\n\teaseOutQuart: function (x, t, b, c, d) {\n\t\treturn -c * ((t=t/d-1)*t*t*t - 1) + b;\n\t},\n\teaseInOutQuart: function (x, t, b, c, d) {\n\t\tif ((t/=d/2) < 1) return c/2*t*t*t*t + b;\n\t\treturn -c/2 * ((t-=2)*t*t*t - 2) + b;\n\t},\n\teaseInQuint: function (x, t, b, c, d) {\n\t\treturn c*(t/=d)*t*t*t*t + b;\n\t},\n\teaseOutQuint: function (x, t, b, c, d) {\n\t\treturn c*((t=t/d-1)*t*t*t*t + 1) + b;\n\t},\n\teaseInOutQuint: function (x, t, b, c, d) {\n\t\tif ((t/=d/2) < 1) return c/2*t*t*t*t*t + b;\n\t\treturn c/2*((t-=2)*t*t*t*t + 2) + b;\n\t},\n\teaseInSine: function (x, t, b, c, d) {\n\t\treturn -c * Math.cos(t/d * (Math.PI/2)) + c + b;\n\t},\n\teaseOutSine: function (x, t, b, c, d) {\n\t\treturn c * Math.sin(t/d * (Math.PI/2)) + b;\n\t},\n\teaseInOutSine: function (x, t, b, c, d) {\n\t\treturn -c/2 * (Math.cos(Math.PI*t/d) - 1) + b;\n\t},\n\teaseInExpo: function (x, t, b, c, d) {\n\t\treturn (t==0) ? b : c * Math.pow(2, 10 * (t/d - 1)) + b;\n\t},\n\teaseOutExpo: function (x, t, b, c, d) {\n\t\treturn (t==d) ? b+c : c * (-Math.pow(2, -10 * t/d) + 1) + b;\n\t},\n\teaseInOutExpo: function (x, t, b, c, d) {\n\t\tif (t==0) return b;\n\t\tif (t==d) return b+c;\n\t\tif ((t/=d/2) < 1) return c/2 * Math.pow(2, 10 * (t - 1)) + b;\n\t\treturn c/2 * (-Math.pow(2, -10 * --t) + 2) + b;\n\t},\n\teaseInCirc: function (x, t, b, c, d) {\n\t\treturn -c * (Math.sqrt(1 - (t/=d)*t) - 1) + b;\n\t},\n\teaseOutCirc: function (x, t, b, c, d) {\n\t\treturn c * Math.sqrt(1 - (t=t/d-1)*t) + b;\n\t},\n\teaseInOutCirc: function (x, t, b, c, d) {\n\t\tif ((t/=d/2) < 1) return -c/2 * (Math.sqrt(1 - t*t) - 1) + b;\n\t\treturn c/2 * (Math.sqrt(1 - (t-=2)*t) + 1) + b;\n\t},\n\teaseInElastic: function (x, t, b, c, d) {\n\t\tvar s=1.70158;var p=0;var a=c;\n\t\tif (t==0) return b; if ((t/=d)==1) return b+c; if (!p) p=d*.3;\n\t\tif (a < Math.abs(c)) { a=c; var s=p/4; }\n\t\telse var s = p/(2*Math.PI) * Math.asin (c/a);\n\t\treturn -(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;\n\t},\n\teaseOutElastic: function (x, t, b, c, d) {\n\t\tvar s=1.70158;var p=0;var a=c;\n\t\tif (t==0) return b; if ((t/=d)==1) return b+c; if (!p) p=d*.3;\n\t\tif (a < Math.abs(c)) { a=c; var s=p/4; }\n\t\telse var s = p/(2*Math.PI) * Math.asin (c/a);\n\t\treturn a*Math.pow(2,-10*t) * Math.sin( (t*d-s)*(2*Math.PI)/p ) + c + b;\n\t},\n\teaseInOutElastic: function (x, t, b, c, d) {\n\t\tvar s=1.70158;var p=0;var a=c;\n\t\tif (t==0) return b; if ((t/=d/2)==2) return b+c; if (!p) p=d*(.3*1.5);\n\t\tif (a < Math.abs(c)) { a=c; var s=p/4; }\n\t\telse var s = p/(2*Math.PI) * Math.asin (c/a);\n\t\tif (t < 1) return -.5*(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;\n\t\treturn a*Math.pow(2,-10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )*.5 + c + b;\n\t},\n\teaseInBack: function (x, t, b, c, d, s) {\n\t\tif (s == undefined) s = 1.70158;\n\t\treturn c*(t/=d)*t*((s+1)*t - s) + b;\n\t},\n\teaseOutBack: function (x, t, b, c, d, s) {\n\t\tif (s == undefined) s = 1.70158;\n\t\treturn c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b;\n\t},\n\teaseInOutBack: function (x,
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/***/ }),
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/***/ "./src/leaflet.motion.js":
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/*!*******************************!*\
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!*** ./src/leaflet.motion.js ***!
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\*******************************/
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/*! no static exports found */
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/***/ (function(module, exports) {
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eval("/**\r\n\tMIT License http://www.opensource.org/licenses/mit-license.php\r\n\tAuthor Igor Vladyka <igor.vladyka@gmail.com> (https://github.com/Igor-Vladyka/leaflet.motion)\r\n**/\r\n\r\nL.Motion = L.Motion || {\r\n\tEvent: {\r\n\t\t\tStarted:\"motion-started\",\r\n\t\t\tPaused: \"motion-paused\",\r\n\t\t\tResumed: \"motion-resumed\",\r\n\t\t\tSection: \"motion-section\",\r\n\t\t\tEnded: \"motion-ended\"\r\n\t\t}\r\n\t};\r\n\r\nL.motion = L.motion || {};\r\nL.Motion.Animate = {\r\n\toptions: {\r\n\t\tpane: \"polymotionPane\",\r\n\t\tattribution: \"Leaflet.Motion © \" + (new Date()).getFullYear() + \" Igor Vladyka\"\r\n\t},\r\n\r\n\tmotionOptions: {\r\n\t\tauto: false,\r\n\t\teasing: function(x){ return x; }, // linear\r\n\t\tspeed: 0, // KM/H\r\n\t\tduration: 0 // ms\r\n\t},\r\n\r\n\tmarkerOptions: undefined,\r\n\r\n\tinitialize: function (latlngs, options, motionOptions, markerOptions) {\r\n\t\tL.Util.setOptions(this, options);\r\n\t\tthis.motionOptions = L.Util.extend({}, this.motionOptions, motionOptions || {});\r\n\t\tthis.markerOptions = L.Util.extend({}, markerOptions || {});\r\n\r\n\t\tthis._bounds = L.latLngBounds();\r\n\t\tthis._linePoints = this._convertLatLngs(latlngs);\r\n\t\tif (!L.Motion.Utils.isFlat(this._linePoints)) {\r\n\t\t\tthis._linePoints = this._linePoints[0];\r\n\t\t}\r\n\r\n\t\tthis._initializeMarker();\r\n\t\tthis._latlngs = [];\r\n\t\tL.Util.stamp(this); // Enforce proper animation order;\r\n\t},\r\n\r\n\taddLatLng: function(latLng, ring) {\r\n\t\tlatLng = L.Motion.Utils.toLatLng(latLng);\r\n\t\tthis._linePoints.push(latLng);\r\n\t\tif (this._latlngs.length) {\r\n\t\t\tthis._latlngs.push(latLng);\r\n\t\t}\r\n\t\treturn this;\r\n\t},\r\n\r\n\t/**\r\n @param {Map} map the Leaflet Map\r\n */\r\n\tbeforeAdd: function (map) {\r\n\t\tif (!map.getPane(this.options.pane)) {\r\n\t\t\tmap.createPane(this.options.pane).style.zIndex = 599;\r\n\t\t}\r\n\r\n\t\tthis._renderer = map.getRenderer(this);\r\n\t},\r\n\r\n\t/**\r\n @param {Map} map the Leaflet Map\r\n\t\t@return {MotionObject} this\r\n */\r\n onAdd: function (map) {\r\n\t\tthis._renderer._initPath(this);\r\n\t\tthis._reset();\r\n\t\tthis._renderer._addPath(this);\r\n\t\tif (this.__marker && this.markerOptions.showMarker) {\r\n\t\t\tthis.__marker.addTo(map);\r\n\t\t}\r\n\r\n\t\tif(this.__marker._icon && this.__marker._icon.children.length){\r\n\t\t\tvar baseRotationAngle = this.__marker._icon.children[0].getAttribute(\"motion-base\");\r\n\t\t\tif(baseRotationAngle){\r\n\t\t\t\tthis.__marker._icon.children[0].style.transform = \"rotate(\" + baseRotationAngle + \"deg)\";\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\tif (this.motionOptions.auto) {\r\n\t\t\tthis.motionStart();\r\n\t\t}\r\n\r\n return this;\r\n },\r\n\r\n\t/**\r\n @param {Map} map the Leaflet Map\r\n */\r\n\tonRemove: function (map) {\r\n\t\tthis.motionStop();\r\n\t\tif (this.__marker) {\r\n\t\t\tmap.removeLayer(this.__marker);\r\n\t\t}\r\n\r\n\t\tthis._renderer._removePath(this);\r\n\t},\r\n\r\n\t/**\r\n @param {DateTime} startTime time from start animation\r\n */\r\n _motion: function (startTime) {\r\n\t\tvar ellapsedTime = (new Date()).getTime() - startTime;\r\n var durationRatio = 1; // 0 - 1\r\n\t\tif (this.motionOptions.duration) {\r\n\t\t\tdurationRatio = ellapsedTime / this.motionOptions.duration;\r\n\t\t}\r\n\r\n\t\tif (durationRatio < 1) {\r\n\t\t\tdurationRatio = this.motionOptions.easing(durationRatio, ellapsedTime, 0, 1, this.motionOptions.duration);\r\n\t\t\tvar nextPoint = L.Motion.Utils.interpolateOnLine(this._map, this._linePoints, durationRatio);\r\n\r\n\t\t\tL.Polyline.prototype.addLatLng.call(this, nextPoint.latLng);\r\n\t\t\tthis._drawMarker(nextPoint.latLng);\r\n\r\n\t\t\tthis.__ellapsedTime = ellapsedTime;\r\n\t\t\tthis.animation = L.Util.requestAnimFrame(function(){\r\n\t\t\t\tthis._motion(startTime);\r\n\t\t\t}, this);\r\n\t\t} else {\r\n\t\t\tthis.motionStop(true);\r\n\t\t}\r\n },\r\n\r\n\t/**\r\n\t\tDraws marker according to line position\r\n @param {LatLng} nextPoint next animation point\r\n
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/***/ }),
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/***/ "./src/leaflet.motion.utils.js":
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/*!*************************************!*\
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!*** ./src/leaflet.motion.utils.js ***!
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\*************************************/
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/*! no static exports found */
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/***/ (function(module, exports) {
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eval("/**\r\n\tMIT License http://www.opensource.org/licenses/mit-license.php\r\n\tAuthor Igor Vladyka <igor.vladyka@gmail.com> (https://github.com/Igor-Vladyka/leaflet.motion)\r\n**/\r\n\r\nL.Motion.Utils = {\r\n\t/**\r\n\t\tAttaches distances precalculated to current set of LatLng\r\n\t\t@param {L.Map} map Leaflet map to be calculate distances\r\n\t\t@param {Array<L.LatLng>|L.PolyLine} latlngs Set of geographical points\r\n\t\t@returns {Array<L.LatLng>|L.PolyLine} latlngs Set of geographical points with attached distances\r\n\t*/\r\n\tattachDistances: function(map, latLngs) {\r\n\t\tif (latLngs.length > 1) {\r\n\t\t\tfor (var i = 1; i < latLngs.length; i++) {\r\n\t\t\t\tlatLngs[i - 1].distanceToNextPoint = map.distance(latLngs[i - 1], latLngs[i]);\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\treturn latLngs;\r\n\t},\r\n\r\n\t/**\r\n\t\tReturns the coordinate of the point located on a line at the specified ratio of the line length.\r\n\t\t@param {L.Map} map Leaflet map to be used for this method\r\n\t\t@param {Array<L.LatLng>|L.PolyLine} latlngs Set of geographical points\r\n\t\t@param {Number} ratio the length ratio, expressed as a decimal between 0 and 1, inclusive\r\n\t\t@returns {Object} an object with latLng ({LatLng}) and predecessor ({Number}), the index of the preceding vertex in the Polyline\r\n\t\t(-1 if the interpolated point is the first vertex)\r\n\t*/\r\n\tinterpolateOnLine: function (map, latLngs, ratio) {\r\n\t\tlatLngs = (latLngs instanceof L.Polyline) ? latLngs.getLatLngs() : latLngs;\r\n\t\tif (latLngs.length < 2) {\r\n\t\t\treturn null;\r\n\t\t}\r\n\r\n\t\tvar allDistancesCalculated = true;\r\n\t\tfor (var d = 0; d < latLngs.length - 1; d++) {\r\n\t\t\tif (!latLngs[d].distanceToNextPoint) {\r\n\t\t\t\tallDistancesCalculated = false;\r\n\t\t\t\tbreak;\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\tif (!allDistancesCalculated) {\r\n\t\t\tthis.attachDistances(map, latLngs);\r\n\t\t}\r\n\r\n\t\t// ensure the ratio is between 0 and 1;\r\n\t\tratio = Math.max(Math.min(ratio, 1), 0);\r\n\r\n\t\tif (ratio === 0) {\r\n\t\t\treturn {\r\n\t\t\t\tlatLng: latLngs[0] instanceof L.LatLng ? latLngs[0] : L.latLng(latLngs[0]),\r\n\t\t\t\tpredecessor: -1\r\n\t\t\t};\r\n\t\t}\r\n\r\n\t\tif (ratio == 1) {\r\n\t\t\treturn {\r\n\t\t\t\tlatLng: latLngs[latLngs.length -1] instanceof L.LatLng ? latLngs[latLngs.length -1] : L.latLng(latLngs[latLngs.length -1]),\r\n\t\t\t\tpredecessor: latLngs.length - 2\r\n\t\t\t};\r\n\t\t}\r\n\r\n\t\t// get full line length between points\r\n\t\tvar fullLength = 0;\r\n\t\tfor (var dIndex = 0; dIndex < latLngs.length - 1; dIndex++) {\r\n\t\t\tfullLength += latLngs[dIndex].distanceToNextPoint;\r\n\t\t}\r\n\r\n\t\t// Calculate expected ratio\r\n\t\tvar ratioDist = fullLength * ratio;\r\n\r\n\t\t// follow the line segments [ab], adding lengths,\r\n\t\t// until we find the segment where the points should lie on\r\n\t\tvar cumulativeDistanceToA = 0, cumulativeDistanceToB = 0;\r\n\t\tfor (var i = 0; cumulativeDistanceToB < ratioDist; i++) {\r\n\t\t\tvar pointA = latLngs[i], pointB = latLngs[i+1];\r\n\r\n\t\t\tcumulativeDistanceToA = cumulativeDistanceToB;\r\n\t\t\tcumulativeDistanceToB += pointA.distanceToNextPoint;\r\n\t\t}\r\n\r\n\t\tif (pointA == undefined && pointB == undefined) { // Happens when line has no length\r\n\t\t\tvar pointA = latLngs[0], pointB = latLngs[1], i = 1;\r\n\t\t}\r\n\r\n\t\t// compute the ratio relative to the segment [ab]\r\n\t\tvar segmentRatio = ((cumulativeDistanceToB - cumulativeDistanceToA) !== 0) ? ((ratioDist - cumulativeDistanceToA) / (cumulativeDistanceToB - cumulativeDistanceToA)) : 0;\r\n\t\treturn {\r\n\t\t\tlatLng: this.interpolateOnLatLngSegment(pointA, pointB, segmentRatio),\r\n\t\t\tpredecessor: i-1\r\n\t\t};\r\n\t},\r\n\r\n /**\r\n Returns the Point located on a segment at the specified ratio of the segment length.\r\n @param {L.Point} pA coordinates of point A\r\n @param {L.Point} pB coordinates of point B\r\n @param {Number} the length ratio, expressed as a decimal between 0 and 1, inclusive.\r\n @returns {L.Point} the interpolated point.\r\n
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/***/ }),
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/***/ 0:
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/*!*****************************************************************************************************************************************************************************************************************************************************!*\
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!*** multi ./src/leaflet.motion.js ./src/leaflet.motion.utils.js ./src/leaflet.motion.easing.js ./src/layer/leaflet.motion.polyline.js ./src/layer/leaflet.motion.polygon.js ./src/layer/leaflet.motion.group.js ./src/layer/leaflet.motion.seq.js ***!
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\*****************************************************************************************************************************************************************************************************************************************************/
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/*! no static exports found */
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/***/ (function(module, exports, __webpack_require__) {
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eval("__webpack_require__(/*! ./src/leaflet.motion.js */\"./src/leaflet.motion.js\");\n__webpack_require__(/*! ./src/leaflet.motion.utils.js */\"./src/leaflet.motion.utils.js\");\n__webpack_require__(/*! ./src/leaflet.motion.easing.js */\"./src/leaflet.motion.easing.js\");\n__webpack_require__(/*! ./src/layer/leaflet.motion.polyline.js */\"./src/layer/leaflet.motion.polyline.js\");\n__webpack_require__(/*! ./src/layer/leaflet.motion.polygon.js */\"./src/layer/leaflet.motion.polygon.js\");\n__webpack_require__(/*! ./src/layer/leaflet.motion.group.js */\"./src/layer/leaflet.motion.group.js\");\nmodule.exports = __webpack_require__(/*! ./src/layer/leaflet.motion.seq.js */\"./src/layer/leaflet.motion.seq.js\");\n\n\n//# sourceURL=webpack:///multi_./src/leaflet.motion.js_./src/leaflet.motion.utils.js_./src/leaflet.motion.easing.js_./src/layer/leaflet.motion.polyline.js_./src/layer/leaflet.motion.polygon.js_./src/layer/leaflet.motion.group.js_./src/layer/leaflet.motion.seq.js?");
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/***/ })
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/******/ });
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