378 lines
12 KiB
JavaScript
378 lines
12 KiB
JavaScript
/**
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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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BoundingRectangle_default
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} from "./chunk-QKF7XXEQ.js";
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import {
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GeometryPipeline_default
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} from "./chunk-PK7TEP3J.js";
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import "./chunk-PS6AEMBR.js";
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import "./chunk-AOFMPKUB.js";
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import {
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CornerType_default,
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PolylineVolumeGeometryLibrary_default,
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oneTimeWarning_default
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} from "./chunk-XWML5Y7N.js";
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import "./chunk-ZWPIM77Q.js";
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import "./chunk-2CSEEWHN.js";
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import {
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VertexFormat_default
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} from "./chunk-4KIUON73.js";
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import "./chunk-CE6GTZ4I.js";
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import "./chunk-6HCAQOVK.js";
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import {
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PolygonPipeline_default,
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WindingOrder_default
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} from "./chunk-RR7EOKGZ.js";
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import {
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arrayRemoveDuplicates_default
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} from "./chunk-V7JB576Q.js";
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import "./chunk-CYAJYEKW.js";
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import "./chunk-G7CJQKKD.js";
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import "./chunk-FOZQIHZK.js";
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import {
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IndexDatatype_default
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} from "./chunk-WWP3I7R5.js";
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import {
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GeometryAttributes_default
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} from "./chunk-RL73GOEF.js";
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import {
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GeometryAttribute_default,
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Geometry_default,
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PrimitiveType_default
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} from "./chunk-34DGOKCO.js";
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import {
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BoundingSphere_default
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} from "./chunk-NI2R52QD.js";
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import "./chunk-I5TDPPC4.js";
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import {
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ComponentDatatype_default
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} from "./chunk-TMMOULW3.js";
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import {
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Cartesian2_default,
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Cartesian3_default,
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Ellipsoid_default
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} from "./chunk-C5CE4OG6.js";
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import {
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Math_default
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} from "./chunk-4PHPQRSH.js";
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import "./chunk-PEABJLCK.js";
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import "./chunk-WFICTTOE.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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DeveloperError_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/PolylineVolumeGeometry.js
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function computeAttributes(combinedPositions, shape, boundingRectangle, vertexFormat) {
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const attributes = new GeometryAttributes_default();
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if (vertexFormat.position) {
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attributes.position = new GeometryAttribute_default({
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componentDatatype: ComponentDatatype_default.DOUBLE,
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componentsPerAttribute: 3,
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values: combinedPositions
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});
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}
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const shapeLength = shape.length;
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const vertexCount = combinedPositions.length / 3;
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const length = (vertexCount - shapeLength * 2) / (shapeLength * 2);
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const firstEndIndices = PolygonPipeline_default.triangulate(shape);
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const indicesCount = (length - 1) * shapeLength * 6 + firstEndIndices.length * 2;
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const indices = IndexDatatype_default.createTypedArray(vertexCount, indicesCount);
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let i, j;
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let ll, ul, ur, lr;
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const offset = shapeLength * 2;
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let index = 0;
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for (i = 0; i < length - 1; i++) {
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for (j = 0; j < shapeLength - 1; j++) {
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ll = j * 2 + i * shapeLength * 2;
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lr = ll + offset;
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ul = ll + 1;
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ur = ul + offset;
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indices[index++] = ul;
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indices[index++] = ll;
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indices[index++] = ur;
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indices[index++] = ur;
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indices[index++] = ll;
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indices[index++] = lr;
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}
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ll = shapeLength * 2 - 2 + i * shapeLength * 2;
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ul = ll + 1;
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ur = ul + offset;
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lr = ll + offset;
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indices[index++] = ul;
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indices[index++] = ll;
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indices[index++] = ur;
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indices[index++] = ur;
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indices[index++] = ll;
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indices[index++] = lr;
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}
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if (vertexFormat.st || vertexFormat.tangent || vertexFormat.bitangent) {
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const st = new Float32Array(vertexCount * 2);
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const lengthSt = 1 / (length - 1);
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const heightSt = 1 / boundingRectangle.height;
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const heightOffset = boundingRectangle.height / 2;
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let s, t;
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let stindex = 0;
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for (i = 0; i < length; i++) {
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s = i * lengthSt;
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t = heightSt * (shape[0].y + heightOffset);
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st[stindex++] = s;
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st[stindex++] = t;
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for (j = 1; j < shapeLength; j++) {
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t = heightSt * (shape[j].y + heightOffset);
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st[stindex++] = s;
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st[stindex++] = t;
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st[stindex++] = s;
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st[stindex++] = t;
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}
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t = heightSt * (shape[0].y + heightOffset);
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st[stindex++] = s;
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st[stindex++] = t;
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}
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for (j = 0; j < shapeLength; j++) {
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s = 0;
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t = heightSt * (shape[j].y + heightOffset);
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st[stindex++] = s;
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st[stindex++] = t;
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}
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for (j = 0; j < shapeLength; j++) {
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s = (length - 1) * lengthSt;
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t = heightSt * (shape[j].y + heightOffset);
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st[stindex++] = s;
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st[stindex++] = t;
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}
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attributes.st = new GeometryAttribute_default({
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componentDatatype: ComponentDatatype_default.FLOAT,
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componentsPerAttribute: 2,
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values: new Float32Array(st)
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});
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}
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const endOffset = vertexCount - shapeLength * 2;
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for (i = 0; i < firstEndIndices.length; i += 3) {
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const v0 = firstEndIndices[i] + endOffset;
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const v1 = firstEndIndices[i + 1] + endOffset;
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const v2 = firstEndIndices[i + 2] + endOffset;
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indices[index++] = v0;
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indices[index++] = v1;
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indices[index++] = v2;
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indices[index++] = v2 + shapeLength;
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indices[index++] = v1 + shapeLength;
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indices[index++] = v0 + shapeLength;
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}
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let geometry = new Geometry_default({
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attributes,
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indices,
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boundingSphere: BoundingSphere_default.fromVertices(combinedPositions),
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primitiveType: PrimitiveType_default.TRIANGLES
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});
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if (vertexFormat.normal) {
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geometry = GeometryPipeline_default.computeNormal(geometry);
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}
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if (vertexFormat.tangent || vertexFormat.bitangent) {
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try {
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geometry = GeometryPipeline_default.computeTangentAndBitangent(geometry);
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} catch (e) {
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oneTimeWarning_default(
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"polyline-volume-tangent-bitangent",
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"Unable to compute tangents and bitangents for polyline volume geometry"
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);
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}
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if (!vertexFormat.tangent) {
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geometry.attributes.tangent = void 0;
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}
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if (!vertexFormat.bitangent) {
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geometry.attributes.bitangent = void 0;
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}
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if (!vertexFormat.st) {
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geometry.attributes.st = void 0;
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}
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}
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return geometry;
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}
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function PolylineVolumeGeometry(options) {
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options = defaultValue_default(options, defaultValue_default.EMPTY_OBJECT);
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const positions = options.polylinePositions;
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const shape = options.shapePositions;
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if (!defined_default(positions)) {
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throw new DeveloperError_default("options.polylinePositions is required.");
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}
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if (!defined_default(shape)) {
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throw new DeveloperError_default("options.shapePositions is required.");
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}
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this._positions = positions;
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this._shape = shape;
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this._ellipsoid = Ellipsoid_default.clone(
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defaultValue_default(options.ellipsoid, Ellipsoid_default.WGS84)
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);
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this._cornerType = defaultValue_default(options.cornerType, CornerType_default.ROUNDED);
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this._vertexFormat = VertexFormat_default.clone(
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defaultValue_default(options.vertexFormat, VertexFormat_default.DEFAULT)
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);
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this._granularity = defaultValue_default(
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options.granularity,
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Math_default.RADIANS_PER_DEGREE
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);
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this._workerName = "createPolylineVolumeGeometry";
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let numComponents = 1 + positions.length * Cartesian3_default.packedLength;
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numComponents += 1 + shape.length * Cartesian2_default.packedLength;
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this.packedLength = numComponents + Ellipsoid_default.packedLength + VertexFormat_default.packedLength + 2;
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}
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PolylineVolumeGeometry.pack = function(value, array, startingIndex) {
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if (!defined_default(value)) {
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throw new DeveloperError_default("value is required");
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}
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if (!defined_default(array)) {
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throw new DeveloperError_default("array is required");
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}
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startingIndex = defaultValue_default(startingIndex, 0);
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let i;
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const positions = value._positions;
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let length = positions.length;
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array[startingIndex++] = length;
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for (i = 0; i < length; ++i, startingIndex += Cartesian3_default.packedLength) {
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Cartesian3_default.pack(positions[i], array, startingIndex);
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}
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const shape = value._shape;
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length = shape.length;
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array[startingIndex++] = length;
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for (i = 0; i < length; ++i, startingIndex += Cartesian2_default.packedLength) {
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Cartesian2_default.pack(shape[i], array, startingIndex);
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}
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Ellipsoid_default.pack(value._ellipsoid, array, startingIndex);
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startingIndex += Ellipsoid_default.packedLength;
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VertexFormat_default.pack(value._vertexFormat, array, startingIndex);
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startingIndex += VertexFormat_default.packedLength;
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array[startingIndex++] = value._cornerType;
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array[startingIndex] = value._granularity;
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return array;
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};
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var scratchEllipsoid = Ellipsoid_default.clone(Ellipsoid_default.UNIT_SPHERE);
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var scratchVertexFormat = new VertexFormat_default();
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var scratchOptions = {
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polylinePositions: void 0,
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shapePositions: void 0,
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ellipsoid: scratchEllipsoid,
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vertexFormat: scratchVertexFormat,
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cornerType: void 0,
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granularity: void 0
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};
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PolylineVolumeGeometry.unpack = function(array, startingIndex, result) {
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if (!defined_default(array)) {
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throw new DeveloperError_default("array is required");
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}
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startingIndex = defaultValue_default(startingIndex, 0);
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let i;
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let length = array[startingIndex++];
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const positions = new Array(length);
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for (i = 0; i < length; ++i, startingIndex += Cartesian3_default.packedLength) {
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positions[i] = Cartesian3_default.unpack(array, startingIndex);
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}
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length = array[startingIndex++];
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const shape = new Array(length);
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for (i = 0; i < length; ++i, startingIndex += Cartesian2_default.packedLength) {
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shape[i] = Cartesian2_default.unpack(array, startingIndex);
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}
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const ellipsoid = Ellipsoid_default.unpack(array, startingIndex, scratchEllipsoid);
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startingIndex += Ellipsoid_default.packedLength;
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const vertexFormat = VertexFormat_default.unpack(
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array,
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startingIndex,
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scratchVertexFormat
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);
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startingIndex += VertexFormat_default.packedLength;
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const cornerType = array[startingIndex++];
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const granularity = array[startingIndex];
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if (!defined_default(result)) {
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scratchOptions.polylinePositions = positions;
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scratchOptions.shapePositions = shape;
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scratchOptions.cornerType = cornerType;
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scratchOptions.granularity = granularity;
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return new PolylineVolumeGeometry(scratchOptions);
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}
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result._positions = positions;
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result._shape = shape;
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result._ellipsoid = Ellipsoid_default.clone(ellipsoid, result._ellipsoid);
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result._vertexFormat = VertexFormat_default.clone(vertexFormat, result._vertexFormat);
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result._cornerType = cornerType;
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result._granularity = granularity;
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return result;
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};
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var brScratch = new BoundingRectangle_default();
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PolylineVolumeGeometry.createGeometry = function(polylineVolumeGeometry) {
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const positions = polylineVolumeGeometry._positions;
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const cleanPositions = arrayRemoveDuplicates_default(
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positions,
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Cartesian3_default.equalsEpsilon
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);
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let shape2D = polylineVolumeGeometry._shape;
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shape2D = PolylineVolumeGeometryLibrary_default.removeDuplicatesFromShape(shape2D);
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if (cleanPositions.length < 2 || shape2D.length < 3) {
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return void 0;
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}
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if (PolygonPipeline_default.computeWindingOrder2D(shape2D) === WindingOrder_default.CLOCKWISE) {
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shape2D.reverse();
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}
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const boundingRectangle = BoundingRectangle_default.fromPoints(shape2D, brScratch);
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const computedPositions = PolylineVolumeGeometryLibrary_default.computePositions(
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cleanPositions,
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shape2D,
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boundingRectangle,
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polylineVolumeGeometry,
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true
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);
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return computeAttributes(
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computedPositions,
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shape2D,
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boundingRectangle,
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polylineVolumeGeometry._vertexFormat
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);
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};
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var PolylineVolumeGeometry_default = PolylineVolumeGeometry;
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// packages/engine/Source/Workers/createPolylineVolumeGeometry.js
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function createPolylineVolumeGeometry(polylineVolumeGeometry, offset) {
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if (defined_default(offset)) {
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polylineVolumeGeometry = PolylineVolumeGeometry_default.unpack(
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polylineVolumeGeometry,
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offset
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);
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}
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polylineVolumeGeometry._ellipsoid = Ellipsoid_default.clone(
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polylineVolumeGeometry._ellipsoid
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);
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return PolylineVolumeGeometry_default.createGeometry(polylineVolumeGeometry);
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}
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var createPolylineVolumeGeometry_default = createPolylineVolumeGeometry;
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export {
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createPolylineVolumeGeometry_default as default
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};
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