1 | ;
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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 | exports.Context = undefined;
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7 |
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8 | var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };
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9 |
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10 | var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
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11 |
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12 | 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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13 |
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14 | var _events = require('events');
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15 |
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16 | var _defined = require('defined');
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17 |
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18 | var _defined2 = _interopRequireDefault(_defined);
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19 |
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20 | var _document = require('global/document');
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21 |
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22 | var _document2 = _interopRequireDefault(_document);
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23 |
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24 | var _window = require('global/window');
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25 |
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26 | var _window2 = _interopRequireDefault(_window);
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27 |
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28 | var _domEvents = require('dom-events');
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29 |
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30 | var _domEvents2 = _interopRequireDefault(_domEvents);
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31 |
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32 | var _regl = require('@littlstar/regl');
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33 |
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34 | var _regl2 = _interopRequireDefault(_regl);
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35 |
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36 | function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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37 |
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38 | function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
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39 |
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40 | function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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41 |
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42 | function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
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43 |
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44 | function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
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45 |
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46 | var Context = exports.Context = function (_EventEmitter) {
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47 | _inherits(Context, _EventEmitter);
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48 |
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49 | function Context() {
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50 | var opts = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
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51 | var createRegl = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : _regl2.default;
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52 |
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53 | _classCallCheck(this, Context);
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54 |
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55 | var _this = _possibleConstructorReturn(this, (Context.__proto__ || Object.getPrototypeOf(Context)).call(this));
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56 |
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57 | _this.setMaxListeners(Infinity);
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58 | _this._hasFocus = false;
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59 | _this._isDestroyed = false;
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60 |
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61 | // coalesce regl options if given as `.gl`
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62 | opts.regl = (0, _defined2.default)(opts.regl, opts.gl || {});
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63 | if (opts.gl && opts.gl.context) {
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64 | opts.regl.gl = opts.gl.context;
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65 | delete opts.gl.context;
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66 | }
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67 |
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68 | // derive container element
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69 | if (opts.canvas && 'object' == _typeof(opts.canvas)) {
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70 | opts.regl.canvas = opts.canvas;
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71 | } else if (opts.element && 'CANVAS' == opts.element.nodeName) {
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72 | opts.regl.canvas = opts.element;
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73 | } else if (opts.element && opts.element.nodeName) {
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74 | opts.regl.container = opts.element;
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75 | } else if ('string' == typeof opts.element) {
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76 | opts.regl.container = opts.element;
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77 | }
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78 |
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79 | // call regl initializer
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80 | createRegl(_extends({
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81 | pixelRatio: opts.pixelRatio || _window2.default.devicePixelRatio || 1,
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82 | profile: Boolean(opts.profile)
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83 | }, opts.regl, {
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84 | attributes: _extends({}, opts.regl.attributes || {}),
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85 | extensions: [].concat(_toConsumableArray(opts.regl.extensions || [])),
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86 | optionalExtensions: ['ANGLE_instanced_arrays'].concat(_toConsumableArray(opts.regl.optionalExtensions || [])),
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87 |
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88 | onDone: function onDone(err, regl) {
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89 | if (err) {
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90 | return _this.emit('error', err);
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91 | }
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92 | _this._regl = regl;
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93 | _this._isDestroyed = false;
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94 | if (regl._gl && regl._gl.canvas) {
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95 | _this._domElement = _this._regl._gl.canvas;
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96 | } else {
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97 | _this._domElement = null;
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98 | }
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99 | }
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100 | }));
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101 |
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102 | if (null != _this._domElement && 'undefind' != typeof _window2.default && 'undefind' != typeof _document2.default) {
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103 | var bind = function bind(t, e, f) {
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104 | _domEvents2.default.on(t, e, f);
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105 | _this.once('beforedestroy', function () {
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106 | return _domEvents2.default.off(t, e, f);
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107 | });
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108 | };
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109 | // context focus event handlers
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110 | var onblur = function onblur() {
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111 | _this.blur();
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112 | };
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113 | var onfocus = function onfocus() {
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114 | _this.focus();
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115 | };
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116 | var onwindowblur = function onwindowblur() {
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117 | _this.blur();
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118 | };
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119 | var onmousedown = function onmousedown(e) {
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120 | if (e.target == _this._domElement) {
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121 | _this.focus();
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122 | } else {
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123 | _this.blur();
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124 | }
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125 | };
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126 | bind(_this._domElement, 'blur', onblur);
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127 | bind(_this._domElement, 'focus', onfocus);
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128 | bind(_window2.default, 'blur', onwindowblur);
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129 | bind(_document2.default, 'mousedown', onmousedown);
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130 | bind(_document2.default, 'touchstart', onmousedown);
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131 | }
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132 | return _this;
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133 | }
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134 |
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135 | _createClass(Context, [{
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136 | key: 'focus',
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137 | value: function focus() {
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138 | this._hasFocus = true;
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139 | this.emit('focus');
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140 | return this;
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141 | }
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142 | }, {
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143 | key: 'blur',
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144 | value: function blur() {
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145 | this._hasFocus = false;
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146 | this.emit('blur');
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147 | return this;
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148 | }
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149 | }, {
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150 | key: 'destroy',
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151 | value: function destroy() {
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152 | this.emit('beforedestroy');
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153 | if (this._regl && 'function' == typeof this._regl.destroy) {
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154 | this._regl.destroy();
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155 | }
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156 |
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157 | if (this._domElement && this._domElement.parentElement) {
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158 | this._domElement.parentElement.removeChild(this._domElement);
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159 | }
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160 |
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161 | delete this._regl;
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162 | delete this._domElement;
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163 | this._hasFocus = false;
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164 | this.emit('destroy');
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165 | return this;
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166 | }
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167 | }, {
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168 | key: 'refresh',
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169 | value: function refresh() {
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170 | if (this.regl && 'function' == typeof this.regl._refresh) {
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171 | this.regl._refresh();
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172 | }
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173 | return this;
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174 | }
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175 | }, {
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176 | key: 'flush',
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177 | value: function flush() {
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178 | if (this.gl) {
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179 | this.gl.flush();
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180 | }
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181 | return this;
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182 | }
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183 | }, {
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184 | key: 'poll',
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185 | value: function poll() {
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186 | if (this.regl) {
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187 | if (this.regl && 'function' == typeof this.regl.poll) {
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188 | this.regl.poll();
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189 | }
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190 | }
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191 | }
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192 | }, {
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193 | key: 'isDestroyed',
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194 | get: function get() {
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195 | return Boolean(this._isDestroyed);
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196 | }
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197 | }, {
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198 | key: 'domElement',
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199 | get: function get() {
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200 | return this._domElement || null;
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201 | }
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202 | }, {
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203 | key: 'hasFocus',
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204 | get: function get() {
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205 | return Boolean(this._hasFocus);
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206 | }
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207 | }, {
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208 | key: 'regl',
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209 | get: function get() {
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210 | return this._regl || null;
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211 | }
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212 | }, {
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213 | key: 'gl',
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214 | get: function get() {
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215 | return this._regl ? this._regl._gl || null : null;
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216 | }
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217 | }]);
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218 |
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219 | return Context;
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220 | }(_events.EventEmitter);
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221 | //# 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{ EventEmitter } from 'events'\nimport coalesce from 'defined'\nimport document from 'global/document'\nimport window from 'global/window'\nimport events from 'dom-events'\nimport regl from '@littlstar/regl'\n\nexport class Context extends EventEmitter {\n  constructor(opts = {}, createRegl = regl) {\n    super()\n    this.setMaxListeners(Infinity)\n    this._hasFocus = false\n    this._isDestroyed = false\n\n    // coalesce regl options if given as `.gl`\n    opts.regl = coalesce(opts.regl, opts.gl || {})\n    if (opts.gl && opts.gl.context) {\n      opts.regl.gl = opts.gl.context\n      delete opts.gl.context\n    }\n\n    // derive container element\n    if (opts.canvas && 'object' == typeof opts.canvas) {\n      opts.regl.canvas = opts.canvas\n    } else if (opts.element && 'CANVAS' == opts.element.nodeName) {\n      opts.regl.canvas = opts.element\n    } else if (opts.element && opts.element.nodeName) {\n      opts.regl.container = opts.element\n    } else if ('string' == typeof opts.element) {\n      opts.regl.container = opts.element\n    }\n\n    // call regl initializer\n    createRegl({\n      pixelRatio: opts.pixelRatio || window.devicePixelRatio || 1,\n      profile: Boolean(opts.profile),\n      ...opts.regl,\n      attributes: { ...(opts.regl.attributes || {}) },\n      extensions: [ ...(opts.regl.extensions || []) ],\n      optionalExtensions: [\n        'ANGLE_instanced_arrays',\n        ...(opts.regl.optionalExtensions || [])\n      ],\n\n      onDone: (err, regl) => {\n        if (err) { return this.emit('error', err) }\n        this._regl = regl\n        this._isDestroyed = false\n        if (regl._gl && regl._gl.canvas) {\n          this._domElement = this._regl._gl.canvas\n        } else {\n          this._domElement = null\n        }\n      }\n    })\n\n    if (\n      null != this._domElement &&\n      'undefind' != typeof window &&\n      'undefind' != typeof document\n    ) {\n      const bind = (t, e, f) => {\n        events.on(t, e, f)\n        this.once('beforedestroy', () => events.off(t, e, f))\n      }\n      // context focus event handlers\n      const onblur = () => { this.blur() }\n      const onfocus = () => { this.focus() }\n      const onwindowblur = () => { this.blur() }\n      const onmousedown = (e) => {\n        if (e.target == this._domElement) { this.focus() }\n        else { this.blur() }\n      }\n      bind(this._domElement, 'blur', onblur)\n      bind(this._domElement, 'focus', onfocus)\n      bind(window, 'blur', onwindowblur)\n      bind(document, 'mousedown', onmousedown)\n      bind(document, 'touchstart', onmousedown)\n    }\n  }\n\n  get isDestroyed() { return Boolean(this._isDestroyed) }\n  get domElement() { return this._domElement || null }\n  get hasFocus() { return Boolean(this._hasFocus) }\n  get regl() { return this._regl || null }\n  get gl() { return this._regl ? this._regl._gl || null : null }\n\n  focus() {\n    this._hasFocus = true\n    this.emit('focus')\n    return this\n  }\n\n  blur() {\n    this._hasFocus = false\n    this.emit('blur')\n    return this\n  }\n\n  destroy() {\n    this.emit('beforedestroy')\n    if (this._regl && 'function' == typeof this._regl.destroy) {\n      this._regl.destroy()\n    }\n\n    if (this._domElement && this._domElement.parentElement) {\n      this._domElement.parentElement.removeChild(this._domElement)\n    }\n\n    delete this._regl\n    delete this._domElement\n    this._hasFocus = false\n    this.emit('destroy')\n    return this\n  }\n\n  refresh() {\n    if (this.regl && 'function' == typeof this.regl._refresh) {\n      this.regl._refresh()\n    }\n    return this\n  }\n\n  flush() {\n    if (this.gl) {\n      this.gl.flush()\n    }\n    return this\n  }\n\n  poll() {\n    if (this.regl) {\n      if (this.regl && 'function' == typeof this.regl.poll) {\n        this.regl.poll()\n      }\n    }\n  }\n}\n"]} |
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