1 | 'use strict';
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2 |
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3 | Object.defineProperty(exports, '__esModule', {
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4 | value: true
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5 | });
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6 |
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7 | var _slicedToArray = (function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i['return']) _i['return'](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError('Invalid attempt to destructure non-iterable instance'); } }; })();
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8 |
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9 | var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
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10 |
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11 | function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
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12 |
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13 | var _constantsDirections = require('./constants/directions');
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14 |
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15 | var _constantsRelativeDirections = require('./constants/relativeDirections');
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16 |
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17 | var Position = (function () {
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18 | function Position(floor, x, y) {
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19 | var direction = arguments.length <= 3 || arguments[3] === undefined ? _constantsDirections.DIRECTIONS.north : arguments[3];
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20 |
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21 | _classCallCheck(this, Position);
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22 |
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23 | this._floor = floor;
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24 | this._x = x;
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25 | this._y = y;
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26 | this._directionIndex = _constantsDirections.ORDERED_DIRECTIONS.indexOf(direction);
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27 | }
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28 |
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29 | _createClass(Position, [{
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30 | key: 'isAt',
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31 | value: function isAt(x, y) {
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32 | return this.x === x && this.y === y;
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33 | }
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34 | }, {
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35 | key: 'move',
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36 | value: function move(forward) {
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37 | var right = arguments.length <= 1 || arguments[1] === undefined ? 0 : arguments[1];
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38 |
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39 | var _translateOffset2 = this._translateOffset(forward, right);
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40 |
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41 | var _translateOffset22 = _slicedToArray(_translateOffset2, 2);
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42 |
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43 | this._x = _translateOffset22[0];
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44 | this._y = _translateOffset22[1];
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45 | }
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46 | }, {
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47 | key: 'rotate',
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48 | value: function rotate(amount) {
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49 | this._directionIndex += amount;
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50 | while (this._directionIndex > 3) this._directionIndex -= 4;
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51 | while (this._directionIndex < 0) this._directionIndex += 4;
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52 | }
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53 | }, {
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54 | key: 'getRelativeSpace',
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55 | value: function getRelativeSpace(forward) {
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56 | var right = arguments.length <= 1 || arguments[1] === undefined ? 0 : arguments[1];
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57 |
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58 | var _translateOffset3 = this._translateOffset(forward, right);
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59 |
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60 | var _translateOffset32 = _slicedToArray(_translateOffset3, 2);
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61 |
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62 | var x = _translateOffset32[0];
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63 | var y = _translateOffset32[1];
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64 |
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65 | return this.floor.getSpaceAt(x, y);
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66 | }
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67 | }, {
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68 | key: 'getDistanceOf',
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69 | value: function getDistanceOf(space) {
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70 | var _space$location = _slicedToArray(space.location, 2);
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71 |
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72 | var x = _space$location[0];
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73 | var y = _space$location[1];
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74 |
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75 | return Math.abs(this.x - x) + Math.abs(this.y - y);
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76 | }
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77 | }, {
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78 | key: 'getDistanceFromStairs',
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79 | value: function getDistanceFromStairs() {
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80 | return this.getDistanceOf(this.floor.stairsSpace);
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81 | }
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82 | }, {
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83 | key: 'getDirectionOf',
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84 | value: function getDirectionOf(space) {
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85 | var _space$location2 = _slicedToArray(space.location, 2);
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86 |
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87 | var x = _space$location2[0];
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88 | var y = _space$location2[1];
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89 |
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90 | if (Math.abs(this.x - x) > Math.abs(this.y - y)) {
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91 | return x > this.x ? _constantsDirections.DIRECTIONS.east : _constantsDirections.DIRECTIONS.west;
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92 | }
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93 |
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94 | return y > this.y ? _constantsDirections.DIRECTIONS.south : _constantsDirections.DIRECTIONS.north;
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95 | }
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96 | }, {
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97 | key: 'getRelativeDirection',
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98 | value: function getRelativeDirection(direction) {
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99 | var offset = _constantsDirections.ORDERED_DIRECTIONS.indexOf(direction) - this._directionIndex;
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100 | while (offset > 3) offset -= 4;
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101 | while (offset < 0) offset += 4;
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102 | return _constantsRelativeDirections.ORDERED_RELATIVE_DIRECTIONS[offset];
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103 | }
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104 | }, {
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105 | key: 'getRelativeDirectionOf',
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106 | value: function getRelativeDirectionOf(space) {
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107 | return this.getRelativeDirection(this.getDirectionOf(space));
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108 | }
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109 | }, {
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110 | key: 'getRelativeDirectionOfStairs',
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111 | value: function getRelativeDirectionOfStairs() {
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112 | return this.getRelativeDirectionOf(this.floor.stairsSpace);
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113 | }
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114 | }, {
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115 | key: '_translateOffset',
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116 | value: function _translateOffset(forward, right) {
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117 | if (this.direction === _constantsDirections.DIRECTIONS.north) {
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118 | return [this.x + right, this.y - forward];
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119 | } else if (this.direction === _constantsDirections.DIRECTIONS.east) {
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120 | return [this.x + forward, this.y + right];
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121 | } else if (this.direction === _constantsDirections.DIRECTIONS.south) {
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122 | return [this.x - right, this.y + forward];
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123 | } else if (this.direction === _constantsDirections.DIRECTIONS.west) {
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124 | return [this.x - forward, this.y - right];
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125 | }
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126 | }
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127 | }, {
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128 | key: 'floor',
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129 | get: function get() {
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130 | return this._floor;
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131 | }
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132 | }, {
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133 | key: 'x',
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134 | get: function get() {
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135 | return this._x;
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136 | }
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137 | }, {
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138 | key: 'y',
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139 | get: function get() {
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140 | return this._y;
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141 | }
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142 | }, {
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143 | key: 'space',
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144 | get: function get() {
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145 | return this.floor.getSpaceAt(this.x, this.y);
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146 | }
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147 | }, {
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148 | key: 'direction',
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149 | get: function get() {
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150 | return _constantsDirections.ORDERED_DIRECTIONS[this._directionIndex];
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151 | }
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152 | }]);
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153 |
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154 | return Position;
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155 | })();
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156 |
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157 | exports['default'] = Position;
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158 | module.exports = exports['default']; |
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