babylon.skyMaterial.js 44 KB

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  1. (function webpackUniversalModuleDefinition(root, factory) {
  2. if(typeof exports === 'object' && typeof module === 'object')
  3. module.exports = factory(require("babylonjs"));
  4. else if(typeof define === 'function' && define.amd)
  5. define("babylonjs-materials", ["babylonjs"], factory);
  6. else if(typeof exports === 'object')
  7. exports["babylonjs-materials"] = factory(require("babylonjs"));
  8. else
  9. root["MATERIALS"] = factory(root["BABYLON"]);
  10. })((typeof self !== "undefined" ? self : typeof global !== "undefined" ? global : this), function(__WEBPACK_EXTERNAL_MODULE_babylonjs_Materials_effect__) {
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  96. /************************************************************************/
  97. /******/ ({
  98. /***/ "../../node_modules/tslib/tslib.es6.js":
  99. /*!***********************************************************!*\
  100. !*** C:/Repos/Babylon.js/node_modules/tslib/tslib.es6.js ***!
  101. \***********************************************************/
  102. /*! exports provided: __extends, __assign, __rest, __decorate, __param, __metadata, __awaiter, __generator, __createBinding, __exportStar, __values, __read, __spread, __spreadArrays, __await, __asyncGenerator, __asyncDelegator, __asyncValues, __makeTemplateObject, __importStar, __importDefault, __classPrivateFieldGet, __classPrivateFieldSet */
  103. /***/ (function(module, __webpack_exports__, __webpack_require__) {
  104. "use strict";
  105. __webpack_require__.r(__webpack_exports__);
  106. /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__extends", function() { return __extends; });
  107. /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__assign", function() { return __assign; });
  108. /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__rest", function() { return __rest; });
  109. /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__decorate", function() { return __decorate; });
  110. /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__param", function() { return __param; });
  111. /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__metadata", function() { return __metadata; });
  112. /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__awaiter", function() { return __awaiter; });
  113. /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__generator", function() { return __generator; });
  114. /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__createBinding", function() { return __createBinding; });
  115. /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__exportStar", function() { return __exportStar; });
  116. /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__values", function() { return __values; });
  117. /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__read", function() { return __read; });
  118. /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__spread", function() { return __spread; });
  119. /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__spreadArrays", function() { return __spreadArrays; });
  120. /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__await", function() { return __await; });
  121. /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__asyncGenerator", function() { return __asyncGenerator; });
  122. /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__asyncDelegator", function() { return __asyncDelegator; });
  123. /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__asyncValues", function() { return __asyncValues; });
  124. /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__makeTemplateObject", function() { return __makeTemplateObject; });
  125. /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__importStar", function() { return __importStar; });
  126. /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__importDefault", function() { return __importDefault; });
  127. /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__classPrivateFieldGet", function() { return __classPrivateFieldGet; });
  128. /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "__classPrivateFieldSet", function() { return __classPrivateFieldSet; });
  129. /*! *****************************************************************************
  130. Copyright (c) Microsoft Corporation.
  131. Permission to use, copy, modify, and/or distribute this software for any
  132. purpose with or without fee is hereby granted.
  133. THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
  134. REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
  135. AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
  136. INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
  137. LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
  138. OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  139. PERFORMANCE OF THIS SOFTWARE.
  140. ***************************************************************************** */
  141. /* global Reflect, Promise */
  142. var extendStatics = function(d, b) {
  143. extendStatics = Object.setPrototypeOf ||
  144. ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
  145. function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
  146. return extendStatics(d, b);
  147. };
  148. function __extends(d, b) {
  149. extendStatics(d, b);
  150. function __() { this.constructor = d; }
  151. d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
  152. }
  153. var __assign = function() {
  154. __assign = Object.assign || function __assign(t) {
  155. for (var s, i = 1, n = arguments.length; i < n; i++) {
  156. s = arguments[i];
  157. for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];
  158. }
  159. return t;
  160. }
  161. return __assign.apply(this, arguments);
  162. }
  163. function __rest(s, e) {
  164. var t = {};
  165. for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
  166. t[p] = s[p];
  167. if (s != null && typeof Object.getOwnPropertySymbols === "function")
  168. for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
  169. if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
  170. t[p[i]] = s[p[i]];
  171. }
  172. return t;
  173. }
  174. function __decorate(decorators, target, key, desc) {
  175. var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
  176. if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
  177. else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
  178. return c > 3 && r && Object.defineProperty(target, key, r), r;
  179. }
  180. function __param(paramIndex, decorator) {
  181. return function (target, key) { decorator(target, key, paramIndex); }
  182. }
  183. function __metadata(metadataKey, metadataValue) {
  184. if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(metadataKey, metadataValue);
  185. }
  186. function __awaiter(thisArg, _arguments, P, generator) {
  187. function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
  188. return new (P || (P = Promise))(function (resolve, reject) {
  189. function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
  190. function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
  191. function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
  192. step((generator = generator.apply(thisArg, _arguments || [])).next());
  193. });
  194. }
  195. function __generator(thisArg, body) {
  196. var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
  197. return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
  198. function verb(n) { return function (v) { return step([n, v]); }; }
  199. function step(op) {
  200. if (f) throw new TypeError("Generator is already executing.");
  201. while (_) try {
  202. if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
  203. if (y = 0, t) op = [op[0] & 2, t.value];
  204. switch (op[0]) {
  205. case 0: case 1: t = op; break;
  206. case 4: _.label++; return { value: op[1], done: false };
  207. case 5: _.label++; y = op[1]; op = [0]; continue;
  208. case 7: op = _.ops.pop(); _.trys.pop(); continue;
  209. default:
  210. if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
  211. if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
  212. if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
  213. if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
  214. if (t[2]) _.ops.pop();
  215. _.trys.pop(); continue;
  216. }
  217. op = body.call(thisArg, _);
  218. } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
  219. if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
  220. }
  221. }
  222. var __createBinding = Object.create ? (function(o, m, k, k2) {
  223. if (k2 === undefined) k2 = k;
  224. Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
  225. }) : (function(o, m, k, k2) {
  226. if (k2 === undefined) k2 = k;
  227. o[k2] = m[k];
  228. });
  229. function __exportStar(m, o) {
  230. for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(o, p)) __createBinding(o, m, p);
  231. }
  232. function __values(o) {
  233. var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
  234. if (m) return m.call(o);
  235. if (o && typeof o.length === "number") return {
  236. next: function () {
  237. if (o && i >= o.length) o = void 0;
  238. return { value: o && o[i++], done: !o };
  239. }
  240. };
  241. throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
  242. }
  243. function __read(o, n) {
  244. var m = typeof Symbol === "function" && o[Symbol.iterator];
  245. if (!m) return o;
  246. var i = m.call(o), r, ar = [], e;
  247. try {
  248. while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
  249. }
  250. catch (error) { e = { error: error }; }
  251. finally {
  252. try {
  253. if (r && !r.done && (m = i["return"])) m.call(i);
  254. }
  255. finally { if (e) throw e.error; }
  256. }
  257. return ar;
  258. }
  259. function __spread() {
  260. for (var ar = [], i = 0; i < arguments.length; i++)
  261. ar = ar.concat(__read(arguments[i]));
  262. return ar;
  263. }
  264. function __spreadArrays() {
  265. for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;
  266. for (var r = Array(s), k = 0, i = 0; i < il; i++)
  267. for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)
  268. r[k] = a[j];
  269. return r;
  270. };
  271. function __await(v) {
  272. return this instanceof __await ? (this.v = v, this) : new __await(v);
  273. }
  274. function __asyncGenerator(thisArg, _arguments, generator) {
  275. if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined.");
  276. var g = generator.apply(thisArg, _arguments || []), i, q = [];
  277. return i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i;
  278. function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }
  279. function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }
  280. function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }
  281. function fulfill(value) { resume("next", value); }
  282. function reject(value) { resume("throw", value); }
  283. function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }
  284. }
  285. function __asyncDelegator(o) {
  286. var i, p;
  287. return i = {}, verb("next"), verb("throw", function (e) { throw e; }), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
  288. function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : f ? f(v) : v; } : f; }
  289. }
  290. function __asyncValues(o) {
  291. if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined.");
  292. var m = o[Symbol.asyncIterator], i;
  293. return m ? m.call(o) : (o = typeof __values === "function" ? __values(o) : o[Symbol.iterator](), i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i);
  294. function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }
  295. function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }
  296. }
  297. function __makeTemplateObject(cooked, raw) {
  298. if (Object.defineProperty) { Object.defineProperty(cooked, "raw", { value: raw }); } else { cooked.raw = raw; }
  299. return cooked;
  300. };
  301. var __setModuleDefault = Object.create ? (function(o, v) {
  302. Object.defineProperty(o, "default", { enumerable: true, value: v });
  303. }) : function(o, v) {
  304. o["default"] = v;
  305. };
  306. function __importStar(mod) {
  307. if (mod && mod.__esModule) return mod;
  308. var result = {};
  309. if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
  310. __setModuleDefault(result, mod);
  311. return result;
  312. }
  313. function __importDefault(mod) {
  314. return (mod && mod.__esModule) ? mod : { default: mod };
  315. }
  316. function __classPrivateFieldGet(receiver, privateMap) {
  317. if (!privateMap.has(receiver)) {
  318. throw new TypeError("attempted to get private field on non-instance");
  319. }
  320. return privateMap.get(receiver);
  321. }
  322. function __classPrivateFieldSet(receiver, privateMap, value) {
  323. if (!privateMap.has(receiver)) {
  324. throw new TypeError("attempted to set private field on non-instance");
  325. }
  326. privateMap.set(receiver, value);
  327. return value;
  328. }
  329. /***/ }),
  330. /***/ "../../node_modules/webpack/buildin/global.js":
  331. /*!***********************************!*\
  332. !*** (webpack)/buildin/global.js ***!
  333. \***********************************/
  334. /*! no static exports found */
  335. /***/ (function(module, exports) {
  336. var g;
  337. // This works in non-strict mode
  338. g = (function() {
  339. return this;
  340. })();
  341. try {
  342. // This works if eval is allowed (see CSP)
  343. g = g || new Function("return this")();
  344. } catch (e) {
  345. // This works if the window reference is available
  346. if (typeof window === "object") g = window;
  347. }
  348. // g can still be undefined, but nothing to do about it...
  349. // We return undefined, instead of nothing here, so it's
  350. // easier to handle this case. if(!global) { ...}
  351. module.exports = g;
  352. /***/ }),
  353. /***/ "./legacy/legacy-sky.ts":
  354. /*!******************************!*\
  355. !*** ./legacy/legacy-sky.ts ***!
  356. \******************************/
  357. /*! exports provided: SkyMaterial */
  358. /***/ (function(module, __webpack_exports__, __webpack_require__) {
  359. "use strict";
  360. __webpack_require__.r(__webpack_exports__);
  361. /* WEBPACK VAR INJECTION */(function(global) {/* harmony import */ var _sky__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../sky */ "./sky/index.ts");
  362. /* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "SkyMaterial", function() { return _sky__WEBPACK_IMPORTED_MODULE_0__["SkyMaterial"]; });
  363. /**
  364. * This is the entry point for the UMD module.
  365. * The entry point for a future ESM package should be index.ts
  366. */
  367. var globalObject = (typeof global !== 'undefined') ? global : ((typeof window !== 'undefined') ? window : undefined);
  368. if (typeof globalObject !== "undefined") {
  369. for (var key in _sky__WEBPACK_IMPORTED_MODULE_0__) {
  370. globalObject.BABYLON[key] = _sky__WEBPACK_IMPORTED_MODULE_0__[key];
  371. }
  372. }
  373. /* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(/*! ./../../../node_modules/webpack/buildin/global.js */ "../../node_modules/webpack/buildin/global.js")))
  374. /***/ }),
  375. /***/ "./sky/index.ts":
  376. /*!**********************!*\
  377. !*** ./sky/index.ts ***!
  378. \**********************/
  379. /*! exports provided: SkyMaterial */
  380. /***/ (function(module, __webpack_exports__, __webpack_require__) {
  381. "use strict";
  382. __webpack_require__.r(__webpack_exports__);
  383. /* harmony import */ var _skyMaterial__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./skyMaterial */ "./sky/skyMaterial.ts");
  384. /* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "SkyMaterial", function() { return _skyMaterial__WEBPACK_IMPORTED_MODULE_0__["SkyMaterial"]; });
  385. /***/ }),
  386. /***/ "./sky/sky.fragment.ts":
  387. /*!*****************************!*\
  388. !*** ./sky/sky.fragment.ts ***!
  389. \*****************************/
  390. /*! exports provided: skyPixelShader */
  391. /***/ (function(module, __webpack_exports__, __webpack_require__) {
  392. "use strict";
  393. __webpack_require__.r(__webpack_exports__);
  394. /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "skyPixelShader", function() { return skyPixelShader; });
  395. /* harmony import */ var babylonjs_Materials_effect__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! babylonjs/Materials/effect */ "babylonjs/Materials/effect");
  396. /* harmony import */ var babylonjs_Materials_effect__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Materials_effect__WEBPACK_IMPORTED_MODULE_0__);
  397. var name = 'skyPixelShader';
  398. var shader = "precision highp float;\n\nvarying vec3 vPositionW;\n#ifdef VERTEXCOLOR\nvarying vec4 vColor;\n#endif\n#include<clipPlaneFragmentDeclaration>\n\nuniform vec3 cameraPosition;\nuniform vec3 cameraOffset;\nuniform float luminance;\nuniform float turbidity;\nuniform float rayleigh;\nuniform float mieCoefficient;\nuniform float mieDirectionalG;\nuniform vec3 sunPosition;\n\n#include<fogFragmentDeclaration>\n\nconst float e=2.71828182845904523536028747135266249775724709369995957;\nconst float pi=3.141592653589793238462643383279502884197169;\nconst float n=1.0003;\nconst float N=2.545E25;\nconst float pn=0.035;\nconst vec3 lambda=vec3(680E-9,550E-9,450E-9);\nconst vec3 K=vec3(0.686,0.678,0.666);\nconst float v=4.0;\nconst float rayleighZenithLength=8.4E3;\nconst float mieZenithLength=1.25E3;\nconst vec3 up=vec3(0.0,1.0,0.0);\nconst float EE=1000.0;\nconst float sunAngularDiameterCos=0.999956676946448443553574619906976478926848692873900859324;\nconst float cutoffAngle=pi/1.95;\nconst float steepness=1.5;\nvec3 totalRayleigh(vec3 lambda)\n{\nreturn (8.0*pow(pi,3.0)*pow(pow(n,2.0)-1.0,2.0)*(6.0+3.0*pn))/(3.0*N*pow(lambda,vec3(4.0))*(6.0-7.0*pn));\n}\nvec3 simplifiedRayleigh()\n{\nreturn 0.0005/vec3(94,40,18);\n}\nfloat rayleighPhase(float cosTheta)\n{\nreturn (3.0/(16.0*pi))*(1.0+pow(cosTheta,2.0));\n}\nvec3 totalMie(vec3 lambda,vec3 K,float T)\n{\nfloat c=(0.2*T )*10E-18;\nreturn 0.434*c*pi*pow((2.0*pi)/lambda,vec3(v-2.0))*K;\n}\nfloat hgPhase(float cosTheta,float g)\n{\nreturn (1.0/(4.0*pi))*((1.0-pow(g,2.0))/pow(1.0-2.0*g*cosTheta+pow(g,2.0),1.5));\n}\nfloat sunIntensity(float zenithAngleCos)\n{\nreturn EE*max(0.0,1.0-exp((-(cutoffAngle-acos(zenithAngleCos))/steepness)));\n}\nfloat A=0.15;\nfloat B=0.50;\nfloat C=0.10;\nfloat D=0.20;\nfloat EEE=0.02;\nfloat F=0.30;\nfloat W=1000.0;\nvec3 Uncharted2Tonemap(vec3 x)\n{\nreturn ((x*(A*x+C*B)+D*EEE)/(x*(A*x+B)+D*F))-EEE/F;\n}\nvoid main(void) {\n\n#include<clipPlaneFragment>\n\nfloat sunfade=1.0-clamp(1.0-exp((sunPosition.y/450000.0)),0.0,1.0);\nfloat rayleighCoefficient=rayleigh-(1.0*(1.0-sunfade));\nvec3 sunDirection=normalize(sunPosition);\nfloat sunE=sunIntensity(dot(sunDirection,up));\nvec3 betaR=simplifiedRayleigh()*rayleighCoefficient;\nvec3 betaM=totalMie(lambda,K,turbidity)*mieCoefficient;\nfloat zenithAngle=acos(max(0.0,dot(up,normalize(vPositionW-cameraPosition+cameraOffset))));\nfloat sR=rayleighZenithLength/(cos(zenithAngle)+0.15*pow(93.885-((zenithAngle*180.0)/pi),-1.253));\nfloat sM=mieZenithLength/(cos(zenithAngle)+0.15*pow(93.885-((zenithAngle*180.0)/pi),-1.253));\nvec3 Fex=exp(-(betaR*sR+betaM*sM));\nfloat cosTheta=dot(normalize(vPositionW-cameraPosition),sunDirection);\nfloat rPhase=rayleighPhase(cosTheta*0.5+0.5);\nvec3 betaRTheta=betaR*rPhase;\nfloat mPhase=hgPhase(cosTheta,mieDirectionalG);\nvec3 betaMTheta=betaM*mPhase;\nvec3 Lin=pow(sunE*((betaRTheta+betaMTheta)/(betaR+betaM))*(1.0-Fex),vec3(1.5));\nLin*=mix(vec3(1.0),pow(sunE*((betaRTheta+betaMTheta)/(betaR+betaM))*Fex,vec3(1.0/2.0)),clamp(pow(1.0-dot(up,sunDirection),5.0),0.0,1.0));\nvec3 direction=normalize(vPositionW-cameraPosition);\nfloat theta=acos(direction.y);\nfloat phi=atan(direction.z,direction.x);\nvec2 uv=vec2(phi,theta)/vec2(2.0*pi,pi)+vec2(0.5,0.0);\nvec3 L0=vec3(0.1)*Fex;\nfloat sundisk=smoothstep(sunAngularDiameterCos,sunAngularDiameterCos+0.00002,cosTheta);\nL0+=(sunE*19000.0*Fex)*sundisk;\nvec3 whiteScale=1.0/Uncharted2Tonemap(vec3(W));\nvec3 texColor=(Lin+L0);\ntexColor*=0.04 ;\ntexColor+=vec3(0.0,0.001,0.0025)*0.3;\nfloat g_fMaxLuminance=1.0;\nfloat fLumScaled=0.1/luminance;\nfloat fLumCompressed=(fLumScaled*(1.0+(fLumScaled/(g_fMaxLuminance*g_fMaxLuminance))))/(1.0+fLumScaled);\nfloat ExposureBias=fLumCompressed;\nvec3 curr=Uncharted2Tonemap((log2(2.0/pow(luminance,4.0)))*texColor);\n\n\n\nvec3 retColor=curr*whiteScale;\n\n\nfloat alpha=1.0;\n#ifdef VERTEXCOLOR\nretColor.rgb*=vColor.rgb;\n#endif\n#ifdef VERTEXALPHA\nalpha*=vColor.a;\n#endif\n\nvec4 color=clamp(vec4(retColor.rgb,alpha),0.0,1.0);\n\n#include<fogFragment>\ngl_FragColor=color;\n#include<imageProcessingCompatibility>\n}\n";
  399. babylonjs_Materials_effect__WEBPACK_IMPORTED_MODULE_0__["Effect"].ShadersStore[name] = shader;
  400. /** @hidden */
  401. var skyPixelShader = { name: name, shader: shader };
  402. /***/ }),
  403. /***/ "./sky/sky.vertex.ts":
  404. /*!***************************!*\
  405. !*** ./sky/sky.vertex.ts ***!
  406. \***************************/
  407. /*! exports provided: skyVertexShader */
  408. /***/ (function(module, __webpack_exports__, __webpack_require__) {
  409. "use strict";
  410. __webpack_require__.r(__webpack_exports__);
  411. /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "skyVertexShader", function() { return skyVertexShader; });
  412. /* harmony import */ var babylonjs_Materials_effect__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! babylonjs/Materials/effect */ "babylonjs/Materials/effect");
  413. /* harmony import */ var babylonjs_Materials_effect__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Materials_effect__WEBPACK_IMPORTED_MODULE_0__);
  414. var name = 'skyVertexShader';
  415. var shader = "precision highp float;\n\nattribute vec3 position;\n#ifdef VERTEXCOLOR\nattribute vec4 color;\n#endif\n\nuniform mat4 world;\nuniform mat4 view;\nuniform mat4 viewProjection;\n#ifdef POINTSIZE\nuniform float pointSize;\n#endif\n\nvarying vec3 vPositionW;\n#ifdef VERTEXCOLOR\nvarying vec4 vColor;\n#endif\n#include<clipPlaneVertexDeclaration>\n#include<fogVertexDeclaration>\nvoid main(void) {\ngl_Position=viewProjection*world*vec4(position,1.0);\nvec4 worldPos=world*vec4(position,1.0);\nvPositionW=vec3(worldPos);\n\n#include<clipPlaneVertex>\n\n#include<fogVertex>\n\n#ifdef VERTEXCOLOR\nvColor=color;\n#endif\n\n#ifdef POINTSIZE\ngl_PointSize=pointSize;\n#endif\n}\n";
  416. babylonjs_Materials_effect__WEBPACK_IMPORTED_MODULE_0__["Effect"].ShadersStore[name] = shader;
  417. /** @hidden */
  418. var skyVertexShader = { name: name, shader: shader };
  419. /***/ }),
  420. /***/ "./sky/skyMaterial.ts":
  421. /*!****************************!*\
  422. !*** ./sky/skyMaterial.ts ***!
  423. \****************************/
  424. /*! exports provided: SkyMaterial */
  425. /***/ (function(module, __webpack_exports__, __webpack_require__) {
  426. "use strict";
  427. __webpack_require__.r(__webpack_exports__);
  428. /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "SkyMaterial", function() { return SkyMaterial; });
  429. /* harmony import */ var tslib__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! tslib */ "../../node_modules/tslib/tslib.es6.js");
  430. /* harmony import */ var babylonjs_Misc_decorators__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Misc/decorators */ "babylonjs/Materials/effect");
  431. /* harmony import */ var babylonjs_Misc_decorators__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Misc_decorators__WEBPACK_IMPORTED_MODULE_1__);
  432. /* harmony import */ var _sky_fragment__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./sky.fragment */ "./sky/sky.fragment.ts");
  433. /* harmony import */ var _sky_vertex__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ./sky.vertex */ "./sky/sky.vertex.ts");
  434. /** @hidden */
  435. var SkyMaterialDefines = /** @class */ (function (_super) {
  436. Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__extends"])(SkyMaterialDefines, _super);
  437. function SkyMaterialDefines() {
  438. var _this = _super.call(this) || this;
  439. _this.CLIPPLANE = false;
  440. _this.CLIPPLANE2 = false;
  441. _this.CLIPPLANE3 = false;
  442. _this.CLIPPLANE4 = false;
  443. _this.CLIPPLANE5 = false;
  444. _this.CLIPPLANE6 = false;
  445. _this.POINTSIZE = false;
  446. _this.FOG = false;
  447. _this.VERTEXCOLOR = false;
  448. _this.VERTEXALPHA = false;
  449. _this.IMAGEPROCESSINGPOSTPROCESS = false;
  450. _this.rebuild();
  451. return _this;
  452. }
  453. return SkyMaterialDefines;
  454. }(babylonjs_Misc_decorators__WEBPACK_IMPORTED_MODULE_1__["MaterialDefines"]));
  455. /**
  456. * This is the sky material which allows to create dynamic and texture free effects for skyboxes.
  457. * @see https://doc.babylonjs.com/extensions/sky
  458. */
  459. var SkyMaterial = /** @class */ (function (_super) {
  460. Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__extends"])(SkyMaterial, _super);
  461. /**
  462. * Instantiates a new sky material.
  463. * This material allows to create dynamic and texture free
  464. * effects for skyboxes by taking care of the atmosphere state.
  465. * @see https://doc.babylonjs.com/extensions/sky
  466. * @param name Define the name of the material in the scene
  467. * @param scene Define the scene the material belong to
  468. */
  469. function SkyMaterial(name, scene) {
  470. var _this = _super.call(this, name, scene) || this;
  471. /**
  472. * Defines the overall luminance of sky in interval ]0, 1[.
  473. */
  474. _this.luminance = 1.0;
  475. /**
  476. * Defines the amount (scattering) of haze as opposed to molecules in atmosphere.
  477. */
  478. _this.turbidity = 10.0;
  479. /**
  480. * Defines the sky appearance (light intensity).
  481. */
  482. _this.rayleigh = 2.0;
  483. /**
  484. * Defines the mieCoefficient in interval [0, 0.1] which affects the property .mieDirectionalG.
  485. */
  486. _this.mieCoefficient = 0.005;
  487. /**
  488. * Defines the amount of haze particles following the Mie scattering theory.
  489. */
  490. _this.mieDirectionalG = 0.8;
  491. /**
  492. * Defines the distance of the sun according to the active scene camera.
  493. */
  494. _this.distance = 500;
  495. /**
  496. * Defines the sun inclination, in interval [-0.5, 0.5]. When the inclination is not 0, the sun is said
  497. * "inclined".
  498. */
  499. _this.inclination = 0.49;
  500. /**
  501. * Defines the solar azimuth in interval [0, 1]. The azimuth is the angle in the horizontal plan between
  502. * an object direction and a reference direction.
  503. */
  504. _this.azimuth = 0.25;
  505. /**
  506. * Defines the sun position in the sky on (x,y,z). If the property .useSunPosition is set to false, then
  507. * the property is overriden by the inclination and the azimuth and can be read at any moment.
  508. */
  509. _this.sunPosition = new babylonjs_Misc_decorators__WEBPACK_IMPORTED_MODULE_1__["Vector3"](0, 100, 0);
  510. /**
  511. * Defines if the sun position should be computed (inclination and azimuth) according to the given
  512. * .sunPosition property.
  513. */
  514. _this.useSunPosition = false;
  515. /**
  516. * Defines an offset vector used to get a horizon offset.
  517. * @example skyMaterial.cameraOffset.y = camera.globalPosition.y // Set horizon relative to 0 on the Y axis
  518. */
  519. _this.cameraOffset = babylonjs_Misc_decorators__WEBPACK_IMPORTED_MODULE_1__["Vector3"].Zero();
  520. // Private members
  521. _this._cameraPosition = babylonjs_Misc_decorators__WEBPACK_IMPORTED_MODULE_1__["Vector3"].Zero();
  522. return _this;
  523. }
  524. /**
  525. * Specifies if the material will require alpha blending
  526. * @returns a boolean specifying if alpha blending is needed
  527. */
  528. SkyMaterial.prototype.needAlphaBlending = function () {
  529. return (this.alpha < 1.0);
  530. };
  531. /**
  532. * Specifies if this material should be rendered in alpha test mode
  533. * @returns false as the sky material doesn't need alpha testing.
  534. */
  535. SkyMaterial.prototype.needAlphaTesting = function () {
  536. return false;
  537. };
  538. /**
  539. * Get the texture used for alpha test purpose.
  540. * @returns null as the sky material has no texture.
  541. */
  542. SkyMaterial.prototype.getAlphaTestTexture = function () {
  543. return null;
  544. };
  545. /**
  546. * Get if the submesh is ready to be used and all its information available.
  547. * Child classes can use it to update shaders
  548. * @param mesh defines the mesh to check
  549. * @param subMesh defines which submesh to check
  550. * @param useInstances specifies that instances should be used
  551. * @returns a boolean indicating that the submesh is ready or not
  552. */
  553. SkyMaterial.prototype.isReadyForSubMesh = function (mesh, subMesh, useInstances) {
  554. if (this.isFrozen) {
  555. if (subMesh.effect && subMesh.effect._wasPreviouslyReady) {
  556. return true;
  557. }
  558. }
  559. if (!subMesh._materialDefines) {
  560. subMesh._materialDefines = new SkyMaterialDefines();
  561. }
  562. var defines = subMesh._materialDefines;
  563. var scene = this.getScene();
  564. if (this._isReadyForSubMesh(subMesh)) {
  565. return true;
  566. }
  567. babylonjs_Misc_decorators__WEBPACK_IMPORTED_MODULE_1__["MaterialHelper"].PrepareDefinesForMisc(mesh, scene, false, this.pointsCloud, this.fogEnabled, false, defines);
  568. // Attribs
  569. babylonjs_Misc_decorators__WEBPACK_IMPORTED_MODULE_1__["MaterialHelper"].PrepareDefinesForAttributes(mesh, defines, true, false);
  570. // Get correct effect
  571. if (defines.isDirty) {
  572. defines.markAsProcessed();
  573. scene.resetCachedMaterial();
  574. // Fallbacks
  575. var fallbacks = new babylonjs_Misc_decorators__WEBPACK_IMPORTED_MODULE_1__["EffectFallbacks"]();
  576. if (defines.FOG) {
  577. fallbacks.addFallback(1, "FOG");
  578. }
  579. defines.IMAGEPROCESSINGPOSTPROCESS = scene.imageProcessingConfiguration.applyByPostProcess;
  580. //Attributes
  581. var attribs = [babylonjs_Misc_decorators__WEBPACK_IMPORTED_MODULE_1__["VertexBuffer"].PositionKind];
  582. if (defines.VERTEXCOLOR) {
  583. attribs.push(babylonjs_Misc_decorators__WEBPACK_IMPORTED_MODULE_1__["VertexBuffer"].ColorKind);
  584. }
  585. var shaderName = "sky";
  586. var join = defines.toString();
  587. subMesh.setEffect(scene.getEngine().createEffect(shaderName, attribs, ["world", "viewProjection", "view",
  588. "vFogInfos", "vFogColor", "pointSize", "vClipPlane", "vClipPlane2", "vClipPlane3", "vClipPlane4", "vClipPlane5", "vClipPlane6",
  589. "luminance", "turbidity", "rayleigh", "mieCoefficient", "mieDirectionalG", "sunPosition",
  590. "cameraPosition", "cameraOffset"
  591. ], [], join, fallbacks, this.onCompiled, this.onError), defines);
  592. }
  593. if (!subMesh.effect || !subMesh.effect.isReady()) {
  594. return false;
  595. }
  596. defines._renderId = scene.getRenderId();
  597. subMesh.effect._wasPreviouslyReady = true;
  598. return true;
  599. };
  600. /**
  601. * Binds the submesh to this material by preparing the effect and shader to draw
  602. * @param world defines the world transformation matrix
  603. * @param mesh defines the mesh containing the submesh
  604. * @param subMesh defines the submesh to bind the material to
  605. */
  606. SkyMaterial.prototype.bindForSubMesh = function (world, mesh, subMesh) {
  607. var scene = this.getScene();
  608. var defines = subMesh._materialDefines;
  609. if (!defines) {
  610. return;
  611. }
  612. var effect = subMesh.effect;
  613. if (!effect) {
  614. return;
  615. }
  616. this._activeEffect = effect;
  617. // Matrices
  618. this.bindOnlyWorldMatrix(world);
  619. this._activeEffect.setMatrix("viewProjection", scene.getTransformMatrix());
  620. if (this._mustRebind(scene, effect)) {
  621. babylonjs_Misc_decorators__WEBPACK_IMPORTED_MODULE_1__["MaterialHelper"].BindClipPlane(this._activeEffect, scene);
  622. // Point size
  623. if (this.pointsCloud) {
  624. this._activeEffect.setFloat("pointSize", this.pointSize);
  625. }
  626. }
  627. // View
  628. if (scene.fogEnabled && mesh.applyFog && scene.fogMode !== babylonjs_Misc_decorators__WEBPACK_IMPORTED_MODULE_1__["Scene"].FOGMODE_NONE) {
  629. this._activeEffect.setMatrix("view", scene.getViewMatrix());
  630. }
  631. // Fog
  632. babylonjs_Misc_decorators__WEBPACK_IMPORTED_MODULE_1__["MaterialHelper"].BindFogParameters(scene, mesh, this._activeEffect);
  633. // Sky
  634. var camera = scene.activeCamera;
  635. if (camera) {
  636. var cameraWorldMatrix = camera.getWorldMatrix();
  637. this._cameraPosition.x = cameraWorldMatrix.m[12];
  638. this._cameraPosition.y = cameraWorldMatrix.m[13];
  639. this._cameraPosition.z = cameraWorldMatrix.m[14];
  640. this._activeEffect.setVector3("cameraPosition", this._cameraPosition);
  641. }
  642. this._activeEffect.setVector3("cameraOffset", this.cameraOffset);
  643. if (this.luminance > 0) {
  644. this._activeEffect.setFloat("luminance", this.luminance);
  645. }
  646. this._activeEffect.setFloat("turbidity", this.turbidity);
  647. this._activeEffect.setFloat("rayleigh", this.rayleigh);
  648. this._activeEffect.setFloat("mieCoefficient", this.mieCoefficient);
  649. this._activeEffect.setFloat("mieDirectionalG", this.mieDirectionalG);
  650. if (!this.useSunPosition) {
  651. var theta = Math.PI * (this.inclination - 0.5);
  652. var phi = 2 * Math.PI * (this.azimuth - 0.5);
  653. this.sunPosition.x = this.distance * Math.cos(phi);
  654. this.sunPosition.y = this.distance * Math.sin(phi) * Math.sin(theta);
  655. this.sunPosition.z = this.distance * Math.sin(phi) * Math.cos(theta);
  656. }
  657. this._activeEffect.setVector3("sunPosition", this.sunPosition);
  658. this._afterBind(mesh, this._activeEffect);
  659. };
  660. /**
  661. * Get the list of animatables in the material.
  662. * @returns the list of animatables object used in the material
  663. */
  664. SkyMaterial.prototype.getAnimatables = function () {
  665. return [];
  666. };
  667. /**
  668. * Disposes the material
  669. * @param forceDisposeEffect specifies if effects should be forcefully disposed
  670. */
  671. SkyMaterial.prototype.dispose = function (forceDisposeEffect) {
  672. _super.prototype.dispose.call(this, forceDisposeEffect);
  673. };
  674. /**
  675. * Makes a duplicate of the material, and gives it a new name
  676. * @param name defines the new name for the duplicated material
  677. * @returns the cloned material
  678. */
  679. SkyMaterial.prototype.clone = function (name) {
  680. var _this = this;
  681. return babylonjs_Misc_decorators__WEBPACK_IMPORTED_MODULE_1__["SerializationHelper"].Clone(function () { return new SkyMaterial(name, _this.getScene()); }, this);
  682. };
  683. /**
  684. * Serializes this material in a JSON representation
  685. * @returns the serialized material object
  686. */
  687. SkyMaterial.prototype.serialize = function () {
  688. var serializationObject = babylonjs_Misc_decorators__WEBPACK_IMPORTED_MODULE_1__["SerializationHelper"].Serialize(this);
  689. serializationObject.customType = "BABYLON.SkyMaterial";
  690. return serializationObject;
  691. };
  692. /**
  693. * Gets the current class name of the material e.g. "SkyMaterial"
  694. * Mainly use in serialization.
  695. * @returns the class name
  696. */
  697. SkyMaterial.prototype.getClassName = function () {
  698. return "SkyMaterial";
  699. };
  700. /**
  701. * Creates a sky material from parsed material data
  702. * @param source defines the JSON representation of the material
  703. * @param scene defines the hosting scene
  704. * @param rootUrl defines the root URL to use to load textures and relative dependencies
  705. * @returns a new sky material
  706. */
  707. SkyMaterial.Parse = function (source, scene, rootUrl) {
  708. return babylonjs_Misc_decorators__WEBPACK_IMPORTED_MODULE_1__["SerializationHelper"].Parse(function () { return new SkyMaterial(source.name, scene); }, source, scene, rootUrl);
  709. };
  710. Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__decorate"])([
  711. Object(babylonjs_Misc_decorators__WEBPACK_IMPORTED_MODULE_1__["serialize"])()
  712. ], SkyMaterial.prototype, "luminance", void 0);
  713. Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__decorate"])([
  714. Object(babylonjs_Misc_decorators__WEBPACK_IMPORTED_MODULE_1__["serialize"])()
  715. ], SkyMaterial.prototype, "turbidity", void 0);
  716. Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__decorate"])([
  717. Object(babylonjs_Misc_decorators__WEBPACK_IMPORTED_MODULE_1__["serialize"])()
  718. ], SkyMaterial.prototype, "rayleigh", void 0);
  719. Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__decorate"])([
  720. Object(babylonjs_Misc_decorators__WEBPACK_IMPORTED_MODULE_1__["serialize"])()
  721. ], SkyMaterial.prototype, "mieCoefficient", void 0);
  722. Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__decorate"])([
  723. Object(babylonjs_Misc_decorators__WEBPACK_IMPORTED_MODULE_1__["serialize"])()
  724. ], SkyMaterial.prototype, "mieDirectionalG", void 0);
  725. Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__decorate"])([
  726. Object(babylonjs_Misc_decorators__WEBPACK_IMPORTED_MODULE_1__["serialize"])()
  727. ], SkyMaterial.prototype, "distance", void 0);
  728. Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__decorate"])([
  729. Object(babylonjs_Misc_decorators__WEBPACK_IMPORTED_MODULE_1__["serialize"])()
  730. ], SkyMaterial.prototype, "inclination", void 0);
  731. Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__decorate"])([
  732. Object(babylonjs_Misc_decorators__WEBPACK_IMPORTED_MODULE_1__["serialize"])()
  733. ], SkyMaterial.prototype, "azimuth", void 0);
  734. Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__decorate"])([
  735. Object(babylonjs_Misc_decorators__WEBPACK_IMPORTED_MODULE_1__["serializeAsVector3"])()
  736. ], SkyMaterial.prototype, "sunPosition", void 0);
  737. Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__decorate"])([
  738. Object(babylonjs_Misc_decorators__WEBPACK_IMPORTED_MODULE_1__["serialize"])()
  739. ], SkyMaterial.prototype, "useSunPosition", void 0);
  740. Object(tslib__WEBPACK_IMPORTED_MODULE_0__["__decorate"])([
  741. Object(babylonjs_Misc_decorators__WEBPACK_IMPORTED_MODULE_1__["serialize"])()
  742. ], SkyMaterial.prototype, "cameraOffset", void 0);
  743. return SkyMaterial;
  744. }(babylonjs_Misc_decorators__WEBPACK_IMPORTED_MODULE_1__["PushMaterial"]));
  745. babylonjs_Misc_decorators__WEBPACK_IMPORTED_MODULE_1__["_TypeStore"].RegisteredTypes["BABYLON.SkyMaterial"] = SkyMaterial;
  746. /***/ }),
  747. /***/ "babylonjs/Materials/effect":
  748. /*!****************************************************************************************************!*\
  749. !*** external {"root":"BABYLON","commonjs":"babylonjs","commonjs2":"babylonjs","amd":"babylonjs"} ***!
  750. \****************************************************************************************************/
  751. /*! no static exports found */
  752. /***/ (function(module, exports) {
  753. module.exports = __WEBPACK_EXTERNAL_MODULE_babylonjs_Materials_effect__;
  754. /***/ })
  755. /******/ });
  756. });
  757. //# sourceMappingURL=babylon.skyMaterial.js.map