1262 lines
41 KiB
JavaScript
1262 lines
41 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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CorridorGeometryLibrary_default
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} from "./chunk-7VZNXIKG.js";
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import {
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CornerType_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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GeometryOffsetAttribute_default
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} from "./chunk-S4XDCPKD.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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} 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 {
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Rectangle_default
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} from "./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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Cartesian3_default,
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Cartographic_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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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/CorridorGeometry.js
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var cartesian1 = new Cartesian3_default();
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var cartesian2 = new Cartesian3_default();
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var cartesian3 = new Cartesian3_default();
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var cartesian4 = new Cartesian3_default();
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var cartesian5 = new Cartesian3_default();
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var cartesian6 = new Cartesian3_default();
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var scratch1 = new Cartesian3_default();
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var scratch2 = new Cartesian3_default();
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function scaleToSurface(positions, ellipsoid) {
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for (let i = 0; i < positions.length; i++) {
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positions[i] = ellipsoid.scaleToGeodeticSurface(positions[i], positions[i]);
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}
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return positions;
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}
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function addNormals(attr, normal, left, front, back, vertexFormat) {
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const normals = attr.normals;
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const tangents = attr.tangents;
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const bitangents = attr.bitangents;
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const forward = Cartesian3_default.normalize(
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Cartesian3_default.cross(left, normal, scratch1),
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scratch1
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);
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if (vertexFormat.normal) {
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CorridorGeometryLibrary_default.addAttribute(normals, normal, front, back);
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}
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if (vertexFormat.tangent) {
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CorridorGeometryLibrary_default.addAttribute(tangents, forward, front, back);
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}
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if (vertexFormat.bitangent) {
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CorridorGeometryLibrary_default.addAttribute(bitangents, left, front, back);
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}
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}
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function combine(computedPositions, vertexFormat, ellipsoid) {
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const positions = computedPositions.positions;
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const corners = computedPositions.corners;
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const endPositions = computedPositions.endPositions;
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const computedLefts = computedPositions.lefts;
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const computedNormals = computedPositions.normals;
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const attributes = new GeometryAttributes_default();
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let corner;
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let leftCount = 0;
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let rightCount = 0;
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let i;
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let indicesLength = 0;
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let length;
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for (i = 0; i < positions.length; i += 2) {
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length = positions[i].length - 3;
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leftCount += length;
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indicesLength += length * 2;
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rightCount += positions[i + 1].length - 3;
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}
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leftCount += 3;
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rightCount += 3;
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for (i = 0; i < corners.length; i++) {
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corner = corners[i];
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const leftSide = corners[i].leftPositions;
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if (defined_default(leftSide)) {
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length = leftSide.length;
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leftCount += length;
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indicesLength += length;
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} else {
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length = corners[i].rightPositions.length;
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rightCount += length;
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indicesLength += length;
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}
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}
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const addEndPositions = defined_default(endPositions);
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let endPositionLength;
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if (addEndPositions) {
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endPositionLength = endPositions[0].length - 3;
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leftCount += endPositionLength;
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rightCount += endPositionLength;
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endPositionLength /= 3;
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indicesLength += endPositionLength * 6;
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}
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const size = leftCount + rightCount;
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const finalPositions = new Float64Array(size);
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const normals = vertexFormat.normal ? new Float32Array(size) : void 0;
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const tangents = vertexFormat.tangent ? new Float32Array(size) : void 0;
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const bitangents = vertexFormat.bitangent ? new Float32Array(size) : void 0;
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const attr = {
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normals,
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tangents,
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bitangents
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};
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let front = 0;
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let back = size - 1;
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let UL, LL, UR, LR;
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let normal = cartesian1;
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let left = cartesian2;
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let rightPos, leftPos;
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const halfLength = endPositionLength / 2;
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const indices = IndexDatatype_default.createTypedArray(size / 3, indicesLength);
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let index = 0;
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if (addEndPositions) {
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leftPos = cartesian3;
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rightPos = cartesian4;
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const firstEndPositions = endPositions[0];
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normal = Cartesian3_default.fromArray(computedNormals, 0, normal);
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left = Cartesian3_default.fromArray(computedLefts, 0, left);
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for (i = 0; i < halfLength; i++) {
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leftPos = Cartesian3_default.fromArray(
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firstEndPositions,
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(halfLength - 1 - i) * 3,
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leftPos
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);
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rightPos = Cartesian3_default.fromArray(
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firstEndPositions,
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(halfLength + i) * 3,
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rightPos
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);
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CorridorGeometryLibrary_default.addAttribute(finalPositions, rightPos, front);
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CorridorGeometryLibrary_default.addAttribute(
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finalPositions,
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leftPos,
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void 0,
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back
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);
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addNormals(attr, normal, left, front, back, vertexFormat);
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LL = front / 3;
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LR = LL + 1;
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UL = (back - 2) / 3;
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UR = UL - 1;
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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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front += 3;
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back -= 3;
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}
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}
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let posIndex = 0;
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let compIndex = 0;
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let rightEdge = positions[posIndex++];
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let leftEdge = positions[posIndex++];
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finalPositions.set(rightEdge, front);
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finalPositions.set(leftEdge, back - leftEdge.length + 1);
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left = Cartesian3_default.fromArray(computedLefts, compIndex, left);
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let rightNormal;
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let leftNormal;
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length = leftEdge.length - 3;
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for (i = 0; i < length; i += 3) {
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rightNormal = ellipsoid.geodeticSurfaceNormal(
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Cartesian3_default.fromArray(rightEdge, i, scratch1),
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scratch1
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);
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leftNormal = ellipsoid.geodeticSurfaceNormal(
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Cartesian3_default.fromArray(leftEdge, length - i, scratch2),
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scratch2
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);
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normal = Cartesian3_default.normalize(
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Cartesian3_default.add(rightNormal, leftNormal, normal),
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normal
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);
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addNormals(attr, normal, left, front, back, vertexFormat);
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LL = front / 3;
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LR = LL + 1;
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UL = (back - 2) / 3;
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UR = UL - 1;
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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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front += 3;
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back -= 3;
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}
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rightNormal = ellipsoid.geodeticSurfaceNormal(
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Cartesian3_default.fromArray(rightEdge, length, scratch1),
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scratch1
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);
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leftNormal = ellipsoid.geodeticSurfaceNormal(
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Cartesian3_default.fromArray(leftEdge, length, scratch2),
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scratch2
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);
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normal = Cartesian3_default.normalize(
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Cartesian3_default.add(rightNormal, leftNormal, normal),
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normal
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);
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compIndex += 3;
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for (i = 0; i < corners.length; i++) {
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let j;
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corner = corners[i];
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const l = corner.leftPositions;
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const r = corner.rightPositions;
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let pivot;
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let start;
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let outsidePoint = cartesian6;
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let previousPoint = cartesian3;
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let nextPoint = cartesian4;
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normal = Cartesian3_default.fromArray(computedNormals, compIndex, normal);
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if (defined_default(l)) {
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addNormals(attr, normal, left, void 0, back, vertexFormat);
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back -= 3;
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pivot = LR;
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start = UR;
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for (j = 0; j < l.length / 3; j++) {
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outsidePoint = Cartesian3_default.fromArray(l, j * 3, outsidePoint);
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indices[index++] = pivot;
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indices[index++] = start - j - 1;
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indices[index++] = start - j;
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CorridorGeometryLibrary_default.addAttribute(
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finalPositions,
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outsidePoint,
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void 0,
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back
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);
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previousPoint = Cartesian3_default.fromArray(
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finalPositions,
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(start - j - 1) * 3,
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previousPoint
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);
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nextPoint = Cartesian3_default.fromArray(finalPositions, pivot * 3, nextPoint);
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left = Cartesian3_default.normalize(
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Cartesian3_default.subtract(previousPoint, nextPoint, left),
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left
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);
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addNormals(attr, normal, left, void 0, back, vertexFormat);
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back -= 3;
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}
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outsidePoint = Cartesian3_default.fromArray(
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finalPositions,
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pivot * 3,
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outsidePoint
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);
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previousPoint = Cartesian3_default.subtract(
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Cartesian3_default.fromArray(finalPositions, start * 3, previousPoint),
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outsidePoint,
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previousPoint
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);
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nextPoint = Cartesian3_default.subtract(
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Cartesian3_default.fromArray(finalPositions, (start - j) * 3, nextPoint),
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outsidePoint,
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nextPoint
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);
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left = Cartesian3_default.normalize(
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Cartesian3_default.add(previousPoint, nextPoint, left),
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left
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);
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addNormals(attr, normal, left, front, void 0, vertexFormat);
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front += 3;
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} else {
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addNormals(attr, normal, left, front, void 0, vertexFormat);
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front += 3;
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pivot = UR;
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start = LR;
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for (j = 0; j < r.length / 3; j++) {
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outsidePoint = Cartesian3_default.fromArray(r, j * 3, outsidePoint);
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indices[index++] = pivot;
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indices[index++] = start + j;
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indices[index++] = start + j + 1;
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CorridorGeometryLibrary_default.addAttribute(
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finalPositions,
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outsidePoint,
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front
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);
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previousPoint = Cartesian3_default.fromArray(
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finalPositions,
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pivot * 3,
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previousPoint
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);
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nextPoint = Cartesian3_default.fromArray(
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finalPositions,
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(start + j) * 3,
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nextPoint
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);
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left = Cartesian3_default.normalize(
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Cartesian3_default.subtract(previousPoint, nextPoint, left),
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left
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);
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addNormals(attr, normal, left, front, void 0, vertexFormat);
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front += 3;
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}
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outsidePoint = Cartesian3_default.fromArray(
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finalPositions,
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pivot * 3,
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outsidePoint
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);
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previousPoint = Cartesian3_default.subtract(
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Cartesian3_default.fromArray(finalPositions, (start + j) * 3, previousPoint),
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outsidePoint,
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previousPoint
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);
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nextPoint = Cartesian3_default.subtract(
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Cartesian3_default.fromArray(finalPositions, start * 3, nextPoint),
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outsidePoint,
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nextPoint
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);
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left = Cartesian3_default.normalize(
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Cartesian3_default.negate(Cartesian3_default.add(nextPoint, previousPoint, left), left),
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left
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);
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addNormals(attr, normal, left, void 0, back, vertexFormat);
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back -= 3;
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}
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rightEdge = positions[posIndex++];
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leftEdge = positions[posIndex++];
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rightEdge.splice(0, 3);
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leftEdge.splice(leftEdge.length - 3, 3);
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finalPositions.set(rightEdge, front);
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finalPositions.set(leftEdge, back - leftEdge.length + 1);
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length = leftEdge.length - 3;
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compIndex += 3;
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left = Cartesian3_default.fromArray(computedLefts, compIndex, left);
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for (j = 0; j < leftEdge.length; j += 3) {
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rightNormal = ellipsoid.geodeticSurfaceNormal(
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Cartesian3_default.fromArray(rightEdge, j, scratch1),
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scratch1
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);
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leftNormal = ellipsoid.geodeticSurfaceNormal(
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Cartesian3_default.fromArray(leftEdge, length - j, scratch2),
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scratch2
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);
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normal = Cartesian3_default.normalize(
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Cartesian3_default.add(rightNormal, leftNormal, normal),
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normal
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);
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addNormals(attr, normal, left, front, back, vertexFormat);
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LR = front / 3;
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LL = LR - 1;
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UR = (back - 2) / 3;
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UL = UR + 1;
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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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front += 3;
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back -= 3;
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}
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front -= 3;
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back += 3;
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}
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normal = Cartesian3_default.fromArray(
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computedNormals,
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computedNormals.length - 3,
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normal
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);
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addNormals(attr, normal, left, front, back, vertexFormat);
|
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if (addEndPositions) {
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front += 3;
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back -= 3;
|
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leftPos = cartesian3;
|
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rightPos = cartesian4;
|
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const lastEndPositions = endPositions[1];
|
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for (i = 0; i < halfLength; i++) {
|
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leftPos = Cartesian3_default.fromArray(
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lastEndPositions,
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(endPositionLength - i - 1) * 3,
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leftPos
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);
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rightPos = Cartesian3_default.fromArray(lastEndPositions, i * 3, rightPos);
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CorridorGeometryLibrary_default.addAttribute(
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finalPositions,
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leftPos,
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void 0,
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back
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);
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CorridorGeometryLibrary_default.addAttribute(finalPositions, rightPos, front);
|
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addNormals(attr, normal, left, front, back, vertexFormat);
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LR = front / 3;
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LL = LR - 1;
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UR = (back - 2) / 3;
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UL = UR + 1;
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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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front += 3;
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back -= 3;
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}
|
|
}
|
|
attributes.position = new GeometryAttribute_default({
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|
componentDatatype: ComponentDatatype_default.DOUBLE,
|
|
componentsPerAttribute: 3,
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values: finalPositions
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});
|
|
if (vertexFormat.st) {
|
|
const st = new Float32Array(size / 3 * 2);
|
|
let rightSt;
|
|
let leftSt;
|
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let stIndex = 0;
|
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if (addEndPositions) {
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leftCount /= 3;
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rightCount /= 3;
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const theta = Math.PI / (endPositionLength + 1);
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leftSt = 1 / (leftCount - endPositionLength + 1);
|
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rightSt = 1 / (rightCount - endPositionLength + 1);
|
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let a;
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const halfEndPos = endPositionLength / 2;
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for (i = halfEndPos + 1; i < endPositionLength + 1; i++) {
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a = Math_default.PI_OVER_TWO + theta * i;
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st[stIndex++] = rightSt * (1 + Math.cos(a));
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st[stIndex++] = 0.5 * (1 + Math.sin(a));
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}
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for (i = 1; i < rightCount - endPositionLength + 1; i++) {
|
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st[stIndex++] = i * rightSt;
|
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st[stIndex++] = 0;
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}
|
|
for (i = endPositionLength; i > halfEndPos; i--) {
|
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a = Math_default.PI_OVER_TWO - i * theta;
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st[stIndex++] = 1 - rightSt * (1 + Math.cos(a));
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|
st[stIndex++] = 0.5 * (1 + Math.sin(a));
|
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}
|
|
for (i = halfEndPos; i > 0; i--) {
|
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a = Math_default.PI_OVER_TWO - theta * i;
|
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st[stIndex++] = 1 - leftSt * (1 + Math.cos(a));
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|
st[stIndex++] = 0.5 * (1 + Math.sin(a));
|
|
}
|
|
for (i = leftCount - endPositionLength; i > 0; i--) {
|
|
st[stIndex++] = i * leftSt;
|
|
st[stIndex++] = 1;
|
|
}
|
|
for (i = 1; i < halfEndPos + 1; i++) {
|
|
a = Math_default.PI_OVER_TWO + theta * i;
|
|
st[stIndex++] = leftSt * (1 + Math.cos(a));
|
|
st[stIndex++] = 0.5 * (1 + Math.sin(a));
|
|
}
|
|
} else {
|
|
leftCount /= 3;
|
|
rightCount /= 3;
|
|
leftSt = 1 / (leftCount - 1);
|
|
rightSt = 1 / (rightCount - 1);
|
|
for (i = 0; i < rightCount; i++) {
|
|
st[stIndex++] = i * rightSt;
|
|
st[stIndex++] = 0;
|
|
}
|
|
for (i = leftCount; i > 0; i--) {
|
|
st[stIndex++] = (i - 1) * leftSt;
|
|
st[stIndex++] = 1;
|
|
}
|
|
}
|
|
attributes.st = new GeometryAttribute_default({
|
|
componentDatatype: ComponentDatatype_default.FLOAT,
|
|
componentsPerAttribute: 2,
|
|
values: st
|
|
});
|
|
}
|
|
if (vertexFormat.normal) {
|
|
attributes.normal = new GeometryAttribute_default({
|
|
componentDatatype: ComponentDatatype_default.FLOAT,
|
|
componentsPerAttribute: 3,
|
|
values: attr.normals
|
|
});
|
|
}
|
|
if (vertexFormat.tangent) {
|
|
attributes.tangent = new GeometryAttribute_default({
|
|
componentDatatype: ComponentDatatype_default.FLOAT,
|
|
componentsPerAttribute: 3,
|
|
values: attr.tangents
|
|
});
|
|
}
|
|
if (vertexFormat.bitangent) {
|
|
attributes.bitangent = new GeometryAttribute_default({
|
|
componentDatatype: ComponentDatatype_default.FLOAT,
|
|
componentsPerAttribute: 3,
|
|
values: attr.bitangents
|
|
});
|
|
}
|
|
return {
|
|
attributes,
|
|
indices
|
|
};
|
|
}
|
|
function extrudedAttributes(attributes, vertexFormat) {
|
|
if (!vertexFormat.normal && !vertexFormat.tangent && !vertexFormat.bitangent && !vertexFormat.st) {
|
|
return attributes;
|
|
}
|
|
const positions = attributes.position.values;
|
|
let topNormals;
|
|
let topBitangents;
|
|
if (vertexFormat.normal || vertexFormat.bitangent) {
|
|
topNormals = attributes.normal.values;
|
|
topBitangents = attributes.bitangent.values;
|
|
}
|
|
const size = attributes.position.values.length / 18;
|
|
const threeSize = size * 3;
|
|
const twoSize = size * 2;
|
|
const sixSize = threeSize * 2;
|
|
let i;
|
|
if (vertexFormat.normal || vertexFormat.bitangent || vertexFormat.tangent) {
|
|
const normals = vertexFormat.normal ? new Float32Array(threeSize * 6) : void 0;
|
|
const tangents = vertexFormat.tangent ? new Float32Array(threeSize * 6) : void 0;
|
|
const bitangents = vertexFormat.bitangent ? new Float32Array(threeSize * 6) : void 0;
|
|
let topPosition = cartesian1;
|
|
let bottomPosition = cartesian2;
|
|
let previousPosition = cartesian3;
|
|
let normal = cartesian4;
|
|
let tangent = cartesian5;
|
|
let bitangent = cartesian6;
|
|
let attrIndex = sixSize;
|
|
for (i = 0; i < threeSize; i += 3) {
|
|
const attrIndexOffset = attrIndex + sixSize;
|
|
topPosition = Cartesian3_default.fromArray(positions, i, topPosition);
|
|
bottomPosition = Cartesian3_default.fromArray(
|
|
positions,
|
|
i + threeSize,
|
|
bottomPosition
|
|
);
|
|
previousPosition = Cartesian3_default.fromArray(
|
|
positions,
|
|
(i + 3) % threeSize,
|
|
previousPosition
|
|
);
|
|
bottomPosition = Cartesian3_default.subtract(
|
|
bottomPosition,
|
|
topPosition,
|
|
bottomPosition
|
|
);
|
|
previousPosition = Cartesian3_default.subtract(
|
|
previousPosition,
|
|
topPosition,
|
|
previousPosition
|
|
);
|
|
normal = Cartesian3_default.normalize(
|
|
Cartesian3_default.cross(bottomPosition, previousPosition, normal),
|
|
normal
|
|
);
|
|
if (vertexFormat.normal) {
|
|
CorridorGeometryLibrary_default.addAttribute(normals, normal, attrIndexOffset);
|
|
CorridorGeometryLibrary_default.addAttribute(
|
|
normals,
|
|
normal,
|
|
attrIndexOffset + 3
|
|
);
|
|
CorridorGeometryLibrary_default.addAttribute(normals, normal, attrIndex);
|
|
CorridorGeometryLibrary_default.addAttribute(normals, normal, attrIndex + 3);
|
|
}
|
|
if (vertexFormat.tangent || vertexFormat.bitangent) {
|
|
bitangent = Cartesian3_default.fromArray(topNormals, i, bitangent);
|
|
if (vertexFormat.bitangent) {
|
|
CorridorGeometryLibrary_default.addAttribute(
|
|
bitangents,
|
|
bitangent,
|
|
attrIndexOffset
|
|
);
|
|
CorridorGeometryLibrary_default.addAttribute(
|
|
bitangents,
|
|
bitangent,
|
|
attrIndexOffset + 3
|
|
);
|
|
CorridorGeometryLibrary_default.addAttribute(
|
|
bitangents,
|
|
bitangent,
|
|
attrIndex
|
|
);
|
|
CorridorGeometryLibrary_default.addAttribute(
|
|
bitangents,
|
|
bitangent,
|
|
attrIndex + 3
|
|
);
|
|
}
|
|
if (vertexFormat.tangent) {
|
|
tangent = Cartesian3_default.normalize(
|
|
Cartesian3_default.cross(bitangent, normal, tangent),
|
|
tangent
|
|
);
|
|
CorridorGeometryLibrary_default.addAttribute(
|
|
tangents,
|
|
tangent,
|
|
attrIndexOffset
|
|
);
|
|
CorridorGeometryLibrary_default.addAttribute(
|
|
tangents,
|
|
tangent,
|
|
attrIndexOffset + 3
|
|
);
|
|
CorridorGeometryLibrary_default.addAttribute(tangents, tangent, attrIndex);
|
|
CorridorGeometryLibrary_default.addAttribute(
|
|
tangents,
|
|
tangent,
|
|
attrIndex + 3
|
|
);
|
|
}
|
|
}
|
|
attrIndex += 6;
|
|
}
|
|
if (vertexFormat.normal) {
|
|
normals.set(topNormals);
|
|
for (i = 0; i < threeSize; i += 3) {
|
|
normals[i + threeSize] = -topNormals[i];
|
|
normals[i + threeSize + 1] = -topNormals[i + 1];
|
|
normals[i + threeSize + 2] = -topNormals[i + 2];
|
|
}
|
|
attributes.normal.values = normals;
|
|
} else {
|
|
attributes.normal = void 0;
|
|
}
|
|
if (vertexFormat.bitangent) {
|
|
bitangents.set(topBitangents);
|
|
bitangents.set(topBitangents, threeSize);
|
|
attributes.bitangent.values = bitangents;
|
|
} else {
|
|
attributes.bitangent = void 0;
|
|
}
|
|
if (vertexFormat.tangent) {
|
|
const topTangents = attributes.tangent.values;
|
|
tangents.set(topTangents);
|
|
tangents.set(topTangents, threeSize);
|
|
attributes.tangent.values = tangents;
|
|
}
|
|
}
|
|
if (vertexFormat.st) {
|
|
const topSt = attributes.st.values;
|
|
const st = new Float32Array(twoSize * 6);
|
|
st.set(topSt);
|
|
st.set(topSt, twoSize);
|
|
let index = twoSize * 2;
|
|
for (let j = 0; j < 2; j++) {
|
|
st[index++] = topSt[0];
|
|
st[index++] = topSt[1];
|
|
for (i = 2; i < twoSize; i += 2) {
|
|
const s = topSt[i];
|
|
const t = topSt[i + 1];
|
|
st[index++] = s;
|
|
st[index++] = t;
|
|
st[index++] = s;
|
|
st[index++] = t;
|
|
}
|
|
st[index++] = topSt[0];
|
|
st[index++] = topSt[1];
|
|
}
|
|
attributes.st.values = st;
|
|
}
|
|
return attributes;
|
|
}
|
|
function addWallPositions(positions, index, wallPositions) {
|
|
wallPositions[index++] = positions[0];
|
|
wallPositions[index++] = positions[1];
|
|
wallPositions[index++] = positions[2];
|
|
for (let i = 3; i < positions.length; i += 3) {
|
|
const x = positions[i];
|
|
const y = positions[i + 1];
|
|
const z = positions[i + 2];
|
|
wallPositions[index++] = x;
|
|
wallPositions[index++] = y;
|
|
wallPositions[index++] = z;
|
|
wallPositions[index++] = x;
|
|
wallPositions[index++] = y;
|
|
wallPositions[index++] = z;
|
|
}
|
|
wallPositions[index++] = positions[0];
|
|
wallPositions[index++] = positions[1];
|
|
wallPositions[index++] = positions[2];
|
|
return wallPositions;
|
|
}
|
|
function computePositionsExtruded(params, vertexFormat) {
|
|
const topVertexFormat = new VertexFormat_default({
|
|
position: vertexFormat.position,
|
|
normal: vertexFormat.normal || vertexFormat.bitangent || params.shadowVolume,
|
|
tangent: vertexFormat.tangent,
|
|
bitangent: vertexFormat.normal || vertexFormat.bitangent,
|
|
st: vertexFormat.st
|
|
});
|
|
const ellipsoid = params.ellipsoid;
|
|
const computedPositions = CorridorGeometryLibrary_default.computePositions(params);
|
|
const attr = combine(computedPositions, topVertexFormat, ellipsoid);
|
|
const height = params.height;
|
|
const extrudedHeight = params.extrudedHeight;
|
|
let attributes = attr.attributes;
|
|
const indices = attr.indices;
|
|
let positions = attributes.position.values;
|
|
let length = positions.length;
|
|
const newPositions = new Float64Array(length * 6);
|
|
let extrudedPositions = new Float64Array(length);
|
|
extrudedPositions.set(positions);
|
|
let wallPositions = new Float64Array(length * 4);
|
|
positions = PolygonPipeline_default.scaleToGeodeticHeight(
|
|
positions,
|
|
height,
|
|
ellipsoid
|
|
);
|
|
wallPositions = addWallPositions(positions, 0, wallPositions);
|
|
extrudedPositions = PolygonPipeline_default.scaleToGeodeticHeight(
|
|
extrudedPositions,
|
|
extrudedHeight,
|
|
ellipsoid
|
|
);
|
|
wallPositions = addWallPositions(
|
|
extrudedPositions,
|
|
length * 2,
|
|
wallPositions
|
|
);
|
|
newPositions.set(positions);
|
|
newPositions.set(extrudedPositions, length);
|
|
newPositions.set(wallPositions, length * 2);
|
|
attributes.position.values = newPositions;
|
|
attributes = extrudedAttributes(attributes, vertexFormat);
|
|
let i;
|
|
const size = length / 3;
|
|
if (params.shadowVolume) {
|
|
const topNormals = attributes.normal.values;
|
|
length = topNormals.length;
|
|
let extrudeNormals = new Float32Array(length * 6);
|
|
for (i = 0; i < length; i++) {
|
|
topNormals[i] = -topNormals[i];
|
|
}
|
|
extrudeNormals.set(topNormals, length);
|
|
extrudeNormals = addWallPositions(topNormals, length * 4, extrudeNormals);
|
|
attributes.extrudeDirection = new GeometryAttribute_default({
|
|
componentDatatype: ComponentDatatype_default.FLOAT,
|
|
componentsPerAttribute: 3,
|
|
values: extrudeNormals
|
|
});
|
|
if (!vertexFormat.normal) {
|
|
attributes.normal = void 0;
|
|
}
|
|
}
|
|
if (defined_default(params.offsetAttribute)) {
|
|
let applyOffset = new Uint8Array(size * 6);
|
|
if (params.offsetAttribute === GeometryOffsetAttribute_default.TOP) {
|
|
applyOffset = applyOffset.fill(1, 0, size).fill(1, size * 2, size * 4);
|
|
} else {
|
|
const applyOffsetValue = params.offsetAttribute === GeometryOffsetAttribute_default.NONE ? 0 : 1;
|
|
applyOffset = applyOffset.fill(applyOffsetValue);
|
|
}
|
|
attributes.applyOffset = new GeometryAttribute_default({
|
|
componentDatatype: ComponentDatatype_default.UNSIGNED_BYTE,
|
|
componentsPerAttribute: 1,
|
|
values: applyOffset
|
|
});
|
|
}
|
|
const iLength = indices.length;
|
|
const twoSize = size + size;
|
|
const newIndices = IndexDatatype_default.createTypedArray(
|
|
newPositions.length / 3,
|
|
iLength * 2 + twoSize * 3
|
|
);
|
|
newIndices.set(indices);
|
|
let index = iLength;
|
|
for (i = 0; i < iLength; i += 3) {
|
|
const v0 = indices[i];
|
|
const v1 = indices[i + 1];
|
|
const v2 = indices[i + 2];
|
|
newIndices[index++] = v2 + size;
|
|
newIndices[index++] = v1 + size;
|
|
newIndices[index++] = v0 + size;
|
|
}
|
|
let UL, LL, UR, LR;
|
|
for (i = 0; i < twoSize; i += 2) {
|
|
UL = i + twoSize;
|
|
LL = UL + twoSize;
|
|
UR = UL + 1;
|
|
LR = LL + 1;
|
|
newIndices[index++] = UL;
|
|
newIndices[index++] = LL;
|
|
newIndices[index++] = UR;
|
|
newIndices[index++] = UR;
|
|
newIndices[index++] = LL;
|
|
newIndices[index++] = LR;
|
|
}
|
|
return {
|
|
attributes,
|
|
indices: newIndices
|
|
};
|
|
}
|
|
var scratchCartesian1 = new Cartesian3_default();
|
|
var scratchCartesian2 = new Cartesian3_default();
|
|
var scratchCartographic = new Cartographic_default();
|
|
function computeOffsetPoints(position1, position2, ellipsoid, halfWidth, min, max) {
|
|
const direction = Cartesian3_default.subtract(
|
|
position2,
|
|
position1,
|
|
scratchCartesian1
|
|
);
|
|
Cartesian3_default.normalize(direction, direction);
|
|
const normal = ellipsoid.geodeticSurfaceNormal(position1, scratchCartesian2);
|
|
const offsetDirection = Cartesian3_default.cross(
|
|
direction,
|
|
normal,
|
|
scratchCartesian1
|
|
);
|
|
Cartesian3_default.multiplyByScalar(offsetDirection, halfWidth, offsetDirection);
|
|
let minLat = min.latitude;
|
|
let minLon = min.longitude;
|
|
let maxLat = max.latitude;
|
|
let maxLon = max.longitude;
|
|
Cartesian3_default.add(position1, offsetDirection, scratchCartesian2);
|
|
ellipsoid.cartesianToCartographic(scratchCartesian2, scratchCartographic);
|
|
let lat = scratchCartographic.latitude;
|
|
let lon = scratchCartographic.longitude;
|
|
minLat = Math.min(minLat, lat);
|
|
minLon = Math.min(minLon, lon);
|
|
maxLat = Math.max(maxLat, lat);
|
|
maxLon = Math.max(maxLon, lon);
|
|
Cartesian3_default.subtract(position1, offsetDirection, scratchCartesian2);
|
|
ellipsoid.cartesianToCartographic(scratchCartesian2, scratchCartographic);
|
|
lat = scratchCartographic.latitude;
|
|
lon = scratchCartographic.longitude;
|
|
minLat = Math.min(minLat, lat);
|
|
minLon = Math.min(minLon, lon);
|
|
maxLat = Math.max(maxLat, lat);
|
|
maxLon = Math.max(maxLon, lon);
|
|
min.latitude = minLat;
|
|
min.longitude = minLon;
|
|
max.latitude = maxLat;
|
|
max.longitude = maxLon;
|
|
}
|
|
var scratchCartesianOffset = new Cartesian3_default();
|
|
var scratchCartesianEnds = new Cartesian3_default();
|
|
var scratchCartographicMin = new Cartographic_default();
|
|
var scratchCartographicMax = new Cartographic_default();
|
|
function computeRectangle(positions, ellipsoid, width, cornerType, result) {
|
|
positions = scaleToSurface(positions, ellipsoid);
|
|
const cleanPositions = arrayRemoveDuplicates_default(
|
|
positions,
|
|
Cartesian3_default.equalsEpsilon
|
|
);
|
|
const length = cleanPositions.length;
|
|
if (length < 2 || width <= 0) {
|
|
return new Rectangle_default();
|
|
}
|
|
const halfWidth = width * 0.5;
|
|
scratchCartographicMin.latitude = Number.POSITIVE_INFINITY;
|
|
scratchCartographicMin.longitude = Number.POSITIVE_INFINITY;
|
|
scratchCartographicMax.latitude = Number.NEGATIVE_INFINITY;
|
|
scratchCartographicMax.longitude = Number.NEGATIVE_INFINITY;
|
|
let lat, lon;
|
|
if (cornerType === CornerType_default.ROUNDED) {
|
|
const first = cleanPositions[0];
|
|
Cartesian3_default.subtract(first, cleanPositions[1], scratchCartesianOffset);
|
|
Cartesian3_default.normalize(scratchCartesianOffset, scratchCartesianOffset);
|
|
Cartesian3_default.multiplyByScalar(
|
|
scratchCartesianOffset,
|
|
halfWidth,
|
|
scratchCartesianOffset
|
|
);
|
|
Cartesian3_default.add(first, scratchCartesianOffset, scratchCartesianEnds);
|
|
ellipsoid.cartesianToCartographic(
|
|
scratchCartesianEnds,
|
|
scratchCartographic
|
|
);
|
|
lat = scratchCartographic.latitude;
|
|
lon = scratchCartographic.longitude;
|
|
scratchCartographicMin.latitude = Math.min(
|
|
scratchCartographicMin.latitude,
|
|
lat
|
|
);
|
|
scratchCartographicMin.longitude = Math.min(
|
|
scratchCartographicMin.longitude,
|
|
lon
|
|
);
|
|
scratchCartographicMax.latitude = Math.max(
|
|
scratchCartographicMax.latitude,
|
|
lat
|
|
);
|
|
scratchCartographicMax.longitude = Math.max(
|
|
scratchCartographicMax.longitude,
|
|
lon
|
|
);
|
|
}
|
|
for (let i = 0; i < length - 1; ++i) {
|
|
computeOffsetPoints(
|
|
cleanPositions[i],
|
|
cleanPositions[i + 1],
|
|
ellipsoid,
|
|
halfWidth,
|
|
scratchCartographicMin,
|
|
scratchCartographicMax
|
|
);
|
|
}
|
|
const last = cleanPositions[length - 1];
|
|
Cartesian3_default.subtract(last, cleanPositions[length - 2], scratchCartesianOffset);
|
|
Cartesian3_default.normalize(scratchCartesianOffset, scratchCartesianOffset);
|
|
Cartesian3_default.multiplyByScalar(
|
|
scratchCartesianOffset,
|
|
halfWidth,
|
|
scratchCartesianOffset
|
|
);
|
|
Cartesian3_default.add(last, scratchCartesianOffset, scratchCartesianEnds);
|
|
computeOffsetPoints(
|
|
last,
|
|
scratchCartesianEnds,
|
|
ellipsoid,
|
|
halfWidth,
|
|
scratchCartographicMin,
|
|
scratchCartographicMax
|
|
);
|
|
if (cornerType === CornerType_default.ROUNDED) {
|
|
ellipsoid.cartesianToCartographic(
|
|
scratchCartesianEnds,
|
|
scratchCartographic
|
|
);
|
|
lat = scratchCartographic.latitude;
|
|
lon = scratchCartographic.longitude;
|
|
scratchCartographicMin.latitude = Math.min(
|
|
scratchCartographicMin.latitude,
|
|
lat
|
|
);
|
|
scratchCartographicMin.longitude = Math.min(
|
|
scratchCartographicMin.longitude,
|
|
lon
|
|
);
|
|
scratchCartographicMax.latitude = Math.max(
|
|
scratchCartographicMax.latitude,
|
|
lat
|
|
);
|
|
scratchCartographicMax.longitude = Math.max(
|
|
scratchCartographicMax.longitude,
|
|
lon
|
|
);
|
|
}
|
|
const rectangle = defined_default(result) ? result : new Rectangle_default();
|
|
rectangle.north = scratchCartographicMax.latitude;
|
|
rectangle.south = scratchCartographicMin.latitude;
|
|
rectangle.east = scratchCartographicMax.longitude;
|
|
rectangle.west = scratchCartographicMin.longitude;
|
|
return rectangle;
|
|
}
|
|
function CorridorGeometry(options) {
|
|
options = defaultValue_default(options, defaultValue_default.EMPTY_OBJECT);
|
|
const positions = options.positions;
|
|
const width = options.width;
|
|
Check_default.defined("options.positions", positions);
|
|
Check_default.defined("options.width", width);
|
|
const height = defaultValue_default(options.height, 0);
|
|
const extrudedHeight = defaultValue_default(options.extrudedHeight, height);
|
|
this._positions = positions;
|
|
this._ellipsoid = Ellipsoid_default.clone(
|
|
defaultValue_default(options.ellipsoid, Ellipsoid_default.WGS84)
|
|
);
|
|
this._vertexFormat = VertexFormat_default.clone(
|
|
defaultValue_default(options.vertexFormat, VertexFormat_default.DEFAULT)
|
|
);
|
|
this._width = width;
|
|
this._height = Math.max(height, extrudedHeight);
|
|
this._extrudedHeight = Math.min(height, extrudedHeight);
|
|
this._cornerType = defaultValue_default(options.cornerType, CornerType_default.ROUNDED);
|
|
this._granularity = defaultValue_default(
|
|
options.granularity,
|
|
Math_default.RADIANS_PER_DEGREE
|
|
);
|
|
this._shadowVolume = defaultValue_default(options.shadowVolume, false);
|
|
this._workerName = "createCorridorGeometry";
|
|
this._offsetAttribute = options.offsetAttribute;
|
|
this._rectangle = void 0;
|
|
this.packedLength = 1 + positions.length * Cartesian3_default.packedLength + Ellipsoid_default.packedLength + VertexFormat_default.packedLength + 7;
|
|
}
|
|
CorridorGeometry.pack = function(value, array, startingIndex) {
|
|
Check_default.defined("value", value);
|
|
Check_default.defined("array", array);
|
|
startingIndex = defaultValue_default(startingIndex, 0);
|
|
const positions = value._positions;
|
|
const length = positions.length;
|
|
array[startingIndex++] = length;
|
|
for (let i = 0; i < length; ++i, startingIndex += Cartesian3_default.packedLength) {
|
|
Cartesian3_default.pack(positions[i], array, startingIndex);
|
|
}
|
|
Ellipsoid_default.pack(value._ellipsoid, array, startingIndex);
|
|
startingIndex += Ellipsoid_default.packedLength;
|
|
VertexFormat_default.pack(value._vertexFormat, array, startingIndex);
|
|
startingIndex += VertexFormat_default.packedLength;
|
|
array[startingIndex++] = value._width;
|
|
array[startingIndex++] = value._height;
|
|
array[startingIndex++] = value._extrudedHeight;
|
|
array[startingIndex++] = value._cornerType;
|
|
array[startingIndex++] = value._granularity;
|
|
array[startingIndex++] = value._shadowVolume ? 1 : 0;
|
|
array[startingIndex] = defaultValue_default(value._offsetAttribute, -1);
|
|
return array;
|
|
};
|
|
var scratchEllipsoid = Ellipsoid_default.clone(Ellipsoid_default.UNIT_SPHERE);
|
|
var scratchVertexFormat = new VertexFormat_default();
|
|
var scratchOptions = {
|
|
positions: void 0,
|
|
ellipsoid: scratchEllipsoid,
|
|
vertexFormat: scratchVertexFormat,
|
|
width: void 0,
|
|
height: void 0,
|
|
extrudedHeight: void 0,
|
|
cornerType: void 0,
|
|
granularity: void 0,
|
|
shadowVolume: void 0,
|
|
offsetAttribute: void 0
|
|
};
|
|
CorridorGeometry.unpack = function(array, startingIndex, result) {
|
|
Check_default.defined("array", array);
|
|
startingIndex = defaultValue_default(startingIndex, 0);
|
|
const length = array[startingIndex++];
|
|
const positions = new Array(length);
|
|
for (let i = 0; i < length; ++i, startingIndex += Cartesian3_default.packedLength) {
|
|
positions[i] = Cartesian3_default.unpack(array, startingIndex);
|
|
}
|
|
const ellipsoid = Ellipsoid_default.unpack(array, startingIndex, scratchEllipsoid);
|
|
startingIndex += Ellipsoid_default.packedLength;
|
|
const vertexFormat = VertexFormat_default.unpack(
|
|
array,
|
|
startingIndex,
|
|
scratchVertexFormat
|
|
);
|
|
startingIndex += VertexFormat_default.packedLength;
|
|
const width = array[startingIndex++];
|
|
const height = array[startingIndex++];
|
|
const extrudedHeight = array[startingIndex++];
|
|
const cornerType = array[startingIndex++];
|
|
const granularity = array[startingIndex++];
|
|
const shadowVolume = array[startingIndex++] === 1;
|
|
const offsetAttribute = array[startingIndex];
|
|
if (!defined_default(result)) {
|
|
scratchOptions.positions = positions;
|
|
scratchOptions.width = width;
|
|
scratchOptions.height = height;
|
|
scratchOptions.extrudedHeight = extrudedHeight;
|
|
scratchOptions.cornerType = cornerType;
|
|
scratchOptions.granularity = granularity;
|
|
scratchOptions.shadowVolume = shadowVolume;
|
|
scratchOptions.offsetAttribute = offsetAttribute === -1 ? void 0 : offsetAttribute;
|
|
return new CorridorGeometry(scratchOptions);
|
|
}
|
|
result._positions = positions;
|
|
result._ellipsoid = Ellipsoid_default.clone(ellipsoid, result._ellipsoid);
|
|
result._vertexFormat = VertexFormat_default.clone(vertexFormat, result._vertexFormat);
|
|
result._width = width;
|
|
result._height = height;
|
|
result._extrudedHeight = extrudedHeight;
|
|
result._cornerType = cornerType;
|
|
result._granularity = granularity;
|
|
result._shadowVolume = shadowVolume;
|
|
result._offsetAttribute = offsetAttribute === -1 ? void 0 : offsetAttribute;
|
|
return result;
|
|
};
|
|
CorridorGeometry.computeRectangle = function(options, result) {
|
|
options = defaultValue_default(options, defaultValue_default.EMPTY_OBJECT);
|
|
const positions = options.positions;
|
|
const width = options.width;
|
|
Check_default.defined("options.positions", positions);
|
|
Check_default.defined("options.width", width);
|
|
const ellipsoid = defaultValue_default(options.ellipsoid, Ellipsoid_default.WGS84);
|
|
const cornerType = defaultValue_default(options.cornerType, CornerType_default.ROUNDED);
|
|
return computeRectangle(positions, ellipsoid, width, cornerType, result);
|
|
};
|
|
CorridorGeometry.createGeometry = function(corridorGeometry) {
|
|
let positions = corridorGeometry._positions;
|
|
const width = corridorGeometry._width;
|
|
const ellipsoid = corridorGeometry._ellipsoid;
|
|
positions = scaleToSurface(positions, ellipsoid);
|
|
const cleanPositions = arrayRemoveDuplicates_default(
|
|
positions,
|
|
Cartesian3_default.equalsEpsilon
|
|
);
|
|
if (cleanPositions.length < 2 || width <= 0) {
|
|
return;
|
|
}
|
|
const height = corridorGeometry._height;
|
|
const extrudedHeight = corridorGeometry._extrudedHeight;
|
|
const extrude = !Math_default.equalsEpsilon(
|
|
height,
|
|
extrudedHeight,
|
|
0,
|
|
Math_default.EPSILON2
|
|
);
|
|
const vertexFormat = corridorGeometry._vertexFormat;
|
|
const params = {
|
|
ellipsoid,
|
|
positions: cleanPositions,
|
|
width,
|
|
cornerType: corridorGeometry._cornerType,
|
|
granularity: corridorGeometry._granularity,
|
|
saveAttributes: true
|
|
};
|
|
let attr;
|
|
if (extrude) {
|
|
params.height = height;
|
|
params.extrudedHeight = extrudedHeight;
|
|
params.shadowVolume = corridorGeometry._shadowVolume;
|
|
params.offsetAttribute = corridorGeometry._offsetAttribute;
|
|
attr = computePositionsExtruded(params, vertexFormat);
|
|
} else {
|
|
const computedPositions = CorridorGeometryLibrary_default.computePositions(params);
|
|
attr = combine(computedPositions, vertexFormat, ellipsoid);
|
|
attr.attributes.position.values = PolygonPipeline_default.scaleToGeodeticHeight(
|
|
attr.attributes.position.values,
|
|
height,
|
|
ellipsoid
|
|
);
|
|
if (defined_default(corridorGeometry._offsetAttribute)) {
|
|
const applyOffsetValue = corridorGeometry._offsetAttribute === GeometryOffsetAttribute_default.NONE ? 0 : 1;
|
|
const length = attr.attributes.position.values.length;
|
|
const applyOffset = new Uint8Array(length / 3).fill(applyOffsetValue);
|
|
attr.attributes.applyOffset = new GeometryAttribute_default({
|
|
componentDatatype: ComponentDatatype_default.UNSIGNED_BYTE,
|
|
componentsPerAttribute: 1,
|
|
values: applyOffset
|
|
});
|
|
}
|
|
}
|
|
const attributes = attr.attributes;
|
|
const boundingSphere = BoundingSphere_default.fromVertices(
|
|
attributes.position.values,
|
|
void 0,
|
|
3
|
|
);
|
|
if (!vertexFormat.position) {
|
|
attr.attributes.position.values = void 0;
|
|
}
|
|
return new Geometry_default({
|
|
attributes,
|
|
indices: attr.indices,
|
|
primitiveType: PrimitiveType_default.TRIANGLES,
|
|
boundingSphere,
|
|
offsetAttribute: corridorGeometry._offsetAttribute
|
|
});
|
|
};
|
|
CorridorGeometry.createShadowVolume = function(corridorGeometry, minHeightFunc, maxHeightFunc) {
|
|
const granularity = corridorGeometry._granularity;
|
|
const ellipsoid = corridorGeometry._ellipsoid;
|
|
const minHeight = minHeightFunc(granularity, ellipsoid);
|
|
const maxHeight = maxHeightFunc(granularity, ellipsoid);
|
|
return new CorridorGeometry({
|
|
positions: corridorGeometry._positions,
|
|
width: corridorGeometry._width,
|
|
cornerType: corridorGeometry._cornerType,
|
|
ellipsoid,
|
|
granularity,
|
|
extrudedHeight: minHeight,
|
|
height: maxHeight,
|
|
vertexFormat: VertexFormat_default.POSITION_ONLY,
|
|
shadowVolume: true
|
|
});
|
|
};
|
|
Object.defineProperties(CorridorGeometry.prototype, {
|
|
/**
|
|
* @private
|
|
*/
|
|
rectangle: {
|
|
get: function() {
|
|
if (!defined_default(this._rectangle)) {
|
|
this._rectangle = computeRectangle(
|
|
this._positions,
|
|
this._ellipsoid,
|
|
this._width,
|
|
this._cornerType
|
|
);
|
|
}
|
|
return this._rectangle;
|
|
}
|
|
},
|
|
/**
|
|
* For remapping texture coordinates when rendering CorridorGeometries as GroundPrimitives.
|
|
*
|
|
* Corridors don't support stRotation,
|
|
* so just return the corners of the original system.
|
|
* @private
|
|
*/
|
|
textureCoordinateRotationPoints: {
|
|
get: function() {
|
|
return [0, 0, 0, 1, 1, 0];
|
|
}
|
|
}
|
|
});
|
|
var CorridorGeometry_default = CorridorGeometry;
|
|
|
|
// packages/engine/Source/Workers/createCorridorGeometry.js
|
|
function createCorridorGeometry(corridorGeometry, offset) {
|
|
if (defined_default(offset)) {
|
|
corridorGeometry = CorridorGeometry_default.unpack(corridorGeometry, offset);
|
|
}
|
|
corridorGeometry._ellipsoid = Ellipsoid_default.clone(corridorGeometry._ellipsoid);
|
|
return CorridorGeometry_default.createGeometry(corridorGeometry);
|
|
}
|
|
var createCorridorGeometry_default = createCorridorGeometry;
|
|
export {
|
|
createCorridorGeometry_default as default
|
|
};
|