DSDSWeb/static/js/Cesium-1.53/Source/Workers/createGeometry.js

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2024-07-11 18:02:47 +08:00
define([
'../Core/defined',
'../Scene/PrimitivePipeline',
'../ThirdParty/when',
'./createTaskProcessorWorker',
'require'
], function(
defined,
PrimitivePipeline,
when,
createTaskProcessorWorker,
require) {
'use strict';
var moduleCache = {};
function getModule(moduleName) {
var module = moduleCache[moduleName];
if (!defined(module)) {
if (typeof exports === 'object') {
// Use CommonJS-style require.
moduleCache[module] = module = require('Workers/' + moduleName);
} else {
// Use AMD-style require.
// in web workers, require is synchronous
require(['./' + moduleName], function(f) {
module = f;
moduleCache[module] = f;
});
}
}
return module;
}
function createGeometry(parameters, transferableObjects) {
var subTasks = parameters.subTasks;
var length = subTasks.length;
var resultsOrPromises = new Array(length);
for (var i = 0; i < length; i++) {
var task = subTasks[i];
var geometry = task.geometry;
var moduleName = task.moduleName;
if (defined(moduleName)) {
var createFunction = getModule(moduleName);
resultsOrPromises[i] = createFunction(geometry, task.offset);
} else {
//Already created geometry
resultsOrPromises[i] = geometry;
}
}
return when.all(resultsOrPromises, function(results) {
return PrimitivePipeline.packCreateGeometryResults(results, transferableObjects);
});
}
return createTaskProcessorWorker(createGeometry);
});