276 lines
9.3 KiB
JavaScript
276 lines
9.3 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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CornerType_default,
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PolylineVolumeGeometryLibrary_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 "./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/PolylineVolumeOutlineGeometry.js
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function computeAttributes(positions, shape) {
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const attributes = new GeometryAttributes_default();
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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: positions
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});
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const shapeLength = shape.length;
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const vertexCount = attributes.position.values.length / 3;
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const positionLength = positions.length / 3;
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const shapeCount = positionLength / shapeLength;
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const indices = IndexDatatype_default.createTypedArray(
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vertexCount,
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2 * shapeLength * (shapeCount + 1)
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);
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let i, j;
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let index = 0;
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i = 0;
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let offset = i * shapeLength;
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for (j = 0; j < shapeLength - 1; j++) {
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indices[index++] = j + offset;
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indices[index++] = j + offset + 1;
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}
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indices[index++] = shapeLength - 1 + offset;
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indices[index++] = offset;
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i = shapeCount - 1;
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offset = i * shapeLength;
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for (j = 0; j < shapeLength - 1; j++) {
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indices[index++] = j + offset;
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indices[index++] = j + offset + 1;
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}
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indices[index++] = shapeLength - 1 + offset;
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indices[index++] = offset;
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for (i = 0; i < shapeCount - 1; i++) {
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const firstOffset = shapeLength * i;
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const secondOffset = firstOffset + shapeLength;
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for (j = 0; j < shapeLength; j++) {
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indices[index++] = j + firstOffset;
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indices[index++] = j + secondOffset;
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}
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}
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const geometry = new Geometry_default({
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attributes,
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indices: IndexDatatype_default.createTypedArray(vertexCount, indices),
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boundingSphere: BoundingSphere_default.fromVertices(positions),
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primitiveType: PrimitiveType_default.LINES
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});
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return geometry;
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}
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function PolylineVolumeOutlineGeometry(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._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 = "createPolylineVolumeOutlineGeometry";
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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 + 2;
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}
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PolylineVolumeOutlineGeometry.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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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 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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height: void 0,
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cornerType: void 0,
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granularity: void 0
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};
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PolylineVolumeOutlineGeometry.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 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 PolylineVolumeOutlineGeometry(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._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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PolylineVolumeOutlineGeometry.createGeometry = function(polylineVolumeOutlineGeometry) {
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const positions = polylineVolumeOutlineGeometry._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 = polylineVolumeOutlineGeometry._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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polylineVolumeOutlineGeometry,
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false
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);
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return computeAttributes(computedPositions, shape2D);
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};
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var PolylineVolumeOutlineGeometry_default = PolylineVolumeOutlineGeometry;
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// packages/engine/Source/Workers/createPolylineVolumeOutlineGeometry.js
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function createPolylineVolumeOutlineGeometry(polylineVolumeOutlineGeometry, offset) {
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if (defined_default(offset)) {
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polylineVolumeOutlineGeometry = PolylineVolumeOutlineGeometry_default.unpack(
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polylineVolumeOutlineGeometry,
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offset
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);
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}
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polylineVolumeOutlineGeometry._ellipsoid = Ellipsoid_default.clone(
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polylineVolumeOutlineGeometry._ellipsoid
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);
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return PolylineVolumeOutlineGeometry_default.createGeometry(
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polylineVolumeOutlineGeometry
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);
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}
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var createPolylineVolumeOutlineGeometry_default = createPolylineVolumeOutlineGeometry;
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export {
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createPolylineVolumeOutlineGeometry_default as default
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};
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