101 lines
2.8 KiB
JavaScript
101 lines
2.8 KiB
JavaScript
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/**
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* @license
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* Cesium - https://github.com/CesiumGS/cesium
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* Version 1.117
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*
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* Copyright 2011-2022 Cesium Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Columbus View (Pat. Pend.)
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*
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* Portions licensed separately.
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* See https://github.com/CesiumGS/cesium/blob/main/LICENSE.md for full licensing details.
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*/
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import {
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Math_default
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} from "./chunk-4PHPQRSH.js";
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import {
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defaultValue_default
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} from "./chunk-UCPPWV64.js";
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import {
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Check_default
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} from "./chunk-U4IMCOF5.js";
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import {
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defined_default
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} from "./chunk-BDUJXBVF.js";
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// packages/engine/Source/Core/arrayRemoveDuplicates.js
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var removeDuplicatesEpsilon = Math_default.EPSILON10;
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function arrayRemoveDuplicates(values, equalsEpsilon, wrapAround, removedIndices) {
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Check_default.defined("equalsEpsilon", equalsEpsilon);
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if (!defined_default(values)) {
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return void 0;
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}
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wrapAround = defaultValue_default(wrapAround, false);
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const storeRemovedIndices = defined_default(removedIndices);
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const length = values.length;
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if (length < 2) {
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return values;
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}
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let i;
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let v0 = values[0];
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let v1;
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let cleanedValues;
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let lastCleanIndex = 0;
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let removedIndexLCI = -1;
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for (i = 1; i < length; ++i) {
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v1 = values[i];
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if (equalsEpsilon(v0, v1, removeDuplicatesEpsilon)) {
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if (!defined_default(cleanedValues)) {
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cleanedValues = values.slice(0, i);
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lastCleanIndex = i - 1;
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removedIndexLCI = 0;
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}
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if (storeRemovedIndices) {
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removedIndices.push(i);
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}
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} else {
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if (defined_default(cleanedValues)) {
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cleanedValues.push(v1);
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lastCleanIndex = i;
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if (storeRemovedIndices) {
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removedIndexLCI = removedIndices.length;
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}
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}
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v0 = v1;
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}
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}
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if (wrapAround && equalsEpsilon(values[0], values[length - 1], removeDuplicatesEpsilon)) {
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if (storeRemovedIndices) {
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if (defined_default(cleanedValues)) {
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removedIndices.splice(removedIndexLCI, 0, lastCleanIndex);
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} else {
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removedIndices.push(length - 1);
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}
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}
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if (defined_default(cleanedValues)) {
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cleanedValues.length -= 1;
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} else {
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cleanedValues = values.slice(0, -1);
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}
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}
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return defined_default(cleanedValues) ? cleanedValues : values;
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}
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var arrayRemoveDuplicates_default = arrayRemoveDuplicates;
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export {
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arrayRemoveDuplicates_default
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};
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