1076 lines
38 KiB
JavaScript
1076 lines
38 KiB
JavaScript
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/**
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* @license
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* Cesium - https://github.com/CesiumGS/cesium
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* Version 1.117
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*
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* Copyright 2011-2022 Cesium Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Columbus View (Pat. Pend.)
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*
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* Portions licensed separately.
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* See https://github.com/CesiumGS/cesium/blob/main/LICENSE.md for full licensing details.
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*/
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import {
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EllipseGeometryLibrary_default
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} from "./chunk-GIFJ77E4.js";
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import {
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GeometryInstance_default
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} from "./chunk-AOIKO5Y7.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 {
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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 {
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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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GeographicProjection_default
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} from "./chunk-NI2R52QD.js";
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import {
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Quaternion_default,
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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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Cartesian2_default,
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Cartesian3_default,
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Cartographic_default,
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Ellipsoid_default,
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Matrix3_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 {
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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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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/EllipseGeometry.js
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var scratchCartesian1 = new Cartesian3_default();
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var scratchCartesian2 = new Cartesian3_default();
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var scratchCartesian3 = new Cartesian3_default();
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var scratchCartesian4 = new Cartesian3_default();
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var texCoordScratch = new Cartesian2_default();
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var textureMatrixScratch = new Matrix3_default();
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var tangentMatrixScratch = new Matrix3_default();
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var quaternionScratch = new Quaternion_default();
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var scratchNormal = new Cartesian3_default();
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var scratchTangent = new Cartesian3_default();
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var scratchBitangent = new Cartesian3_default();
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var scratchCartographic = new Cartographic_default();
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var projectedCenterScratch = new Cartesian3_default();
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var scratchMinTexCoord = new Cartesian2_default();
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var scratchMaxTexCoord = new Cartesian2_default();
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function computeTopBottomAttributes(positions, options, extrude) {
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const vertexFormat = options.vertexFormat;
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const center = options.center;
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const semiMajorAxis = options.semiMajorAxis;
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const semiMinorAxis = options.semiMinorAxis;
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const ellipsoid = options.ellipsoid;
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const stRotation = options.stRotation;
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const size = extrude ? positions.length / 3 * 2 : positions.length / 3;
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const shadowVolume = options.shadowVolume;
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const textureCoordinates = vertexFormat.st ? new Float32Array(size * 2) : void 0;
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const normals = vertexFormat.normal ? new Float32Array(size * 3) : void 0;
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const tangents = vertexFormat.tangent ? new Float32Array(size * 3) : void 0;
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const bitangents = vertexFormat.bitangent ? new Float32Array(size * 3) : void 0;
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const extrudeNormals = shadowVolume ? new Float32Array(size * 3) : void 0;
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let textureCoordIndex = 0;
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let normal = scratchNormal;
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let tangent = scratchTangent;
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let bitangent = scratchBitangent;
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const projection = new GeographicProjection_default(ellipsoid);
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const projectedCenter = projection.project(
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ellipsoid.cartesianToCartographic(center, scratchCartographic),
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projectedCenterScratch
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);
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const geodeticNormal = ellipsoid.scaleToGeodeticSurface(
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center,
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scratchCartesian1
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);
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ellipsoid.geodeticSurfaceNormal(geodeticNormal, geodeticNormal);
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let textureMatrix = textureMatrixScratch;
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let tangentMatrix = tangentMatrixScratch;
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if (stRotation !== 0) {
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let rotation = Quaternion_default.fromAxisAngle(
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geodeticNormal,
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stRotation,
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quaternionScratch
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);
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textureMatrix = Matrix3_default.fromQuaternion(rotation, textureMatrix);
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rotation = Quaternion_default.fromAxisAngle(
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geodeticNormal,
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-stRotation,
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quaternionScratch
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);
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tangentMatrix = Matrix3_default.fromQuaternion(rotation, tangentMatrix);
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} else {
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textureMatrix = Matrix3_default.clone(Matrix3_default.IDENTITY, textureMatrix);
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tangentMatrix = Matrix3_default.clone(Matrix3_default.IDENTITY, tangentMatrix);
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}
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const minTexCoord = Cartesian2_default.fromElements(
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Number.POSITIVE_INFINITY,
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Number.POSITIVE_INFINITY,
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scratchMinTexCoord
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);
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const maxTexCoord = Cartesian2_default.fromElements(
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Number.NEGATIVE_INFINITY,
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Number.NEGATIVE_INFINITY,
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scratchMaxTexCoord
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);
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let length = positions.length;
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const bottomOffset = extrude ? length : 0;
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const stOffset = bottomOffset / 3 * 2;
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for (let i = 0; i < length; i += 3) {
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const i1 = i + 1;
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const i2 = i + 2;
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const position = Cartesian3_default.fromArray(positions, i, scratchCartesian1);
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if (vertexFormat.st) {
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const rotatedPoint = Matrix3_default.multiplyByVector(
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textureMatrix,
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position,
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scratchCartesian2
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);
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const projectedPoint = projection.project(
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ellipsoid.cartesianToCartographic(rotatedPoint, scratchCartographic),
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scratchCartesian3
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);
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Cartesian3_default.subtract(projectedPoint, projectedCenter, projectedPoint);
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texCoordScratch.x = (projectedPoint.x + semiMajorAxis) / (2 * semiMajorAxis);
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texCoordScratch.y = (projectedPoint.y + semiMinorAxis) / (2 * semiMinorAxis);
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minTexCoord.x = Math.min(texCoordScratch.x, minTexCoord.x);
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minTexCoord.y = Math.min(texCoordScratch.y, minTexCoord.y);
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maxTexCoord.x = Math.max(texCoordScratch.x, maxTexCoord.x);
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maxTexCoord.y = Math.max(texCoordScratch.y, maxTexCoord.y);
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if (extrude) {
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textureCoordinates[textureCoordIndex + stOffset] = texCoordScratch.x;
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textureCoordinates[textureCoordIndex + 1 + stOffset] = texCoordScratch.y;
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}
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textureCoordinates[textureCoordIndex++] = texCoordScratch.x;
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textureCoordinates[textureCoordIndex++] = texCoordScratch.y;
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}
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if (vertexFormat.normal || vertexFormat.tangent || vertexFormat.bitangent || shadowVolume) {
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normal = ellipsoid.geodeticSurfaceNormal(position, normal);
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if (shadowVolume) {
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extrudeNormals[i + bottomOffset] = -normal.x;
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extrudeNormals[i1 + bottomOffset] = -normal.y;
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extrudeNormals[i2 + bottomOffset] = -normal.z;
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}
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if (vertexFormat.normal || vertexFormat.tangent || vertexFormat.bitangent) {
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if (vertexFormat.tangent || vertexFormat.bitangent) {
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tangent = Cartesian3_default.normalize(
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Cartesian3_default.cross(Cartesian3_default.UNIT_Z, normal, tangent),
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tangent
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);
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Matrix3_default.multiplyByVector(tangentMatrix, tangent, tangent);
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}
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if (vertexFormat.normal) {
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normals[i] = normal.x;
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normals[i1] = normal.y;
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normals[i2] = normal.z;
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if (extrude) {
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normals[i + bottomOffset] = -normal.x;
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normals[i1 + bottomOffset] = -normal.y;
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normals[i2 + bottomOffset] = -normal.z;
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}
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}
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if (vertexFormat.tangent) {
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tangents[i] = tangent.x;
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tangents[i1] = tangent.y;
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tangents[i2] = tangent.z;
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if (extrude) {
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tangents[i + bottomOffset] = -tangent.x;
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tangents[i1 + bottomOffset] = -tangent.y;
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tangents[i2 + bottomOffset] = -tangent.z;
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}
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}
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if (vertexFormat.bitangent) {
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bitangent = Cartesian3_default.normalize(
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Cartesian3_default.cross(normal, tangent, bitangent),
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bitangent
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);
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bitangents[i] = bitangent.x;
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bitangents[i1] = bitangent.y;
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bitangents[i2] = bitangent.z;
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if (extrude) {
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bitangents[i + bottomOffset] = bitangent.x;
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bitangents[i1 + bottomOffset] = bitangent.y;
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bitangents[i2 + bottomOffset] = bitangent.z;
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}
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}
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}
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}
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}
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if (vertexFormat.st) {
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length = textureCoordinates.length;
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for (let k = 0; k < length; k += 2) {
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textureCoordinates[k] = (textureCoordinates[k] - minTexCoord.x) / (maxTexCoord.x - minTexCoord.x);
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textureCoordinates[k + 1] = (textureCoordinates[k + 1] - minTexCoord.y) / (maxTexCoord.y - minTexCoord.y);
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}
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}
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const attributes = new GeometryAttributes_default();
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if (vertexFormat.position) {
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const finalPositions = EllipseGeometryLibrary_default.raisePositionsToHeight(
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positions,
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options,
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extrude
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);
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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: finalPositions
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});
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}
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if (vertexFormat.st) {
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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: textureCoordinates
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});
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}
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if (vertexFormat.normal) {
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attributes.normal = new GeometryAttribute_default({
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componentDatatype: ComponentDatatype_default.FLOAT,
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componentsPerAttribute: 3,
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values: normals
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});
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}
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if (vertexFormat.tangent) {
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attributes.tangent = new GeometryAttribute_default({
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componentDatatype: ComponentDatatype_default.FLOAT,
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componentsPerAttribute: 3,
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values: tangents
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});
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}
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if (vertexFormat.bitangent) {
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attributes.bitangent = new GeometryAttribute_default({
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componentDatatype: ComponentDatatype_default.FLOAT,
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componentsPerAttribute: 3,
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values: bitangents
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});
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}
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if (shadowVolume) {
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attributes.extrudeDirection = new GeometryAttribute_default({
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componentDatatype: ComponentDatatype_default.FLOAT,
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componentsPerAttribute: 3,
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values: extrudeNormals
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});
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}
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if (extrude && defined_default(options.offsetAttribute)) {
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let offsetAttribute = new Uint8Array(size);
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if (options.offsetAttribute === GeometryOffsetAttribute_default.TOP) {
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offsetAttribute = offsetAttribute.fill(1, 0, size / 2);
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} else {
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const offsetValue = options.offsetAttribute === GeometryOffsetAttribute_default.NONE ? 0 : 1;
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offsetAttribute = offsetAttribute.fill(offsetValue);
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}
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attributes.applyOffset = new GeometryAttribute_default({
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componentDatatype: ComponentDatatype_default.UNSIGNED_BYTE,
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componentsPerAttribute: 1,
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values: offsetAttribute
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});
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}
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return attributes;
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}
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function topIndices(numPts) {
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const indices = new Array(12 * (numPts * (numPts + 1)) - 6);
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let indicesIndex = 0;
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let prevIndex;
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let numInterior;
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let positionIndex;
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let i;
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let j;
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prevIndex = 0;
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positionIndex = 1;
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for (i = 0; i < 3; i++) {
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indices[indicesIndex++] = positionIndex++;
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indices[indicesIndex++] = prevIndex;
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indices[indicesIndex++] = positionIndex;
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}
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for (i = 2; i < numPts + 1; ++i) {
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positionIndex = i * (i + 1) - 1;
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prevIndex = (i - 1) * i - 1;
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indices[indicesIndex++] = positionIndex++;
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indices[indicesIndex++] = prevIndex;
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indices[indicesIndex++] = positionIndex;
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numInterior = 2 * i;
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for (j = 0; j < numInterior - 1; ++j) {
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indices[indicesIndex++] = positionIndex;
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indices[indicesIndex++] = prevIndex++;
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indices[indicesIndex++] = prevIndex;
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indices[indicesIndex++] = positionIndex++;
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indices[indicesIndex++] = prevIndex;
|
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indices[indicesIndex++] = positionIndex;
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}
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indices[indicesIndex++] = positionIndex++;
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indices[indicesIndex++] = prevIndex;
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indices[indicesIndex++] = positionIndex;
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}
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numInterior = numPts * 2;
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++positionIndex;
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++prevIndex;
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for (i = 0; i < numInterior - 1; ++i) {
|
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indices[indicesIndex++] = positionIndex;
|
||
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indices[indicesIndex++] = prevIndex++;
|
||
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indices[indicesIndex++] = prevIndex;
|
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indices[indicesIndex++] = positionIndex++;
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|
|
indices[indicesIndex++] = prevIndex;
|
||
|
|
indices[indicesIndex++] = positionIndex;
|
||
|
|
}
|
||
|
|
indices[indicesIndex++] = positionIndex;
|
||
|
|
indices[indicesIndex++] = prevIndex++;
|
||
|
|
indices[indicesIndex++] = prevIndex;
|
||
|
|
indices[indicesIndex++] = positionIndex++;
|
||
|
|
indices[indicesIndex++] = prevIndex++;
|
||
|
|
indices[indicesIndex++] = prevIndex;
|
||
|
|
++prevIndex;
|
||
|
|
for (i = numPts - 1; i > 1; --i) {
|
||
|
|
indices[indicesIndex++] = prevIndex++;
|
||
|
|
indices[indicesIndex++] = prevIndex;
|
||
|
|
indices[indicesIndex++] = positionIndex;
|
||
|
|
numInterior = 2 * i;
|
||
|
|
for (j = 0; j < numInterior - 1; ++j) {
|
||
|
|
indices[indicesIndex++] = positionIndex;
|
||
|
|
indices[indicesIndex++] = prevIndex++;
|
||
|
|
indices[indicesIndex++] = prevIndex;
|
||
|
|
indices[indicesIndex++] = positionIndex++;
|
||
|
|
indices[indicesIndex++] = prevIndex;
|
||
|
|
indices[indicesIndex++] = positionIndex;
|
||
|
|
}
|
||
|
|
indices[indicesIndex++] = prevIndex++;
|
||
|
|
indices[indicesIndex++] = prevIndex++;
|
||
|
|
indices[indicesIndex++] = positionIndex++;
|
||
|
|
}
|
||
|
|
for (i = 0; i < 3; i++) {
|
||
|
|
indices[indicesIndex++] = prevIndex++;
|
||
|
|
indices[indicesIndex++] = prevIndex;
|
||
|
|
indices[indicesIndex++] = positionIndex;
|
||
|
|
}
|
||
|
|
return indices;
|
||
|
|
}
|
||
|
|
var boundingSphereCenter = new Cartesian3_default();
|
||
|
|
function computeEllipse(options) {
|
||
|
|
const center = options.center;
|
||
|
|
boundingSphereCenter = Cartesian3_default.multiplyByScalar(
|
||
|
|
options.ellipsoid.geodeticSurfaceNormal(center, boundingSphereCenter),
|
||
|
|
options.height,
|
||
|
|
boundingSphereCenter
|
||
|
|
);
|
||
|
|
boundingSphereCenter = Cartesian3_default.add(
|
||
|
|
center,
|
||
|
|
boundingSphereCenter,
|
||
|
|
boundingSphereCenter
|
||
|
|
);
|
||
|
|
const boundingSphere = new BoundingSphere_default(
|
||
|
|
boundingSphereCenter,
|
||
|
|
options.semiMajorAxis
|
||
|
|
);
|
||
|
|
const cep = EllipseGeometryLibrary_default.computeEllipsePositions(
|
||
|
|
options,
|
||
|
|
true,
|
||
|
|
false
|
||
|
|
);
|
||
|
|
const positions = cep.positions;
|
||
|
|
const numPts = cep.numPts;
|
||
|
|
const attributes = computeTopBottomAttributes(positions, options, false);
|
||
|
|
let indices = topIndices(numPts);
|
||
|
|
indices = IndexDatatype_default.createTypedArray(positions.length / 3, indices);
|
||
|
|
return {
|
||
|
|
boundingSphere,
|
||
|
|
attributes,
|
||
|
|
indices
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function computeWallAttributes(positions, options) {
|
||
|
|
const vertexFormat = options.vertexFormat;
|
||
|
|
const center = options.center;
|
||
|
|
const semiMajorAxis = options.semiMajorAxis;
|
||
|
|
const semiMinorAxis = options.semiMinorAxis;
|
||
|
|
const ellipsoid = options.ellipsoid;
|
||
|
|
const height = options.height;
|
||
|
|
const extrudedHeight = options.extrudedHeight;
|
||
|
|
const stRotation = options.stRotation;
|
||
|
|
const size = positions.length / 3 * 2;
|
||
|
|
const finalPositions = new Float64Array(size * 3);
|
||
|
|
const textureCoordinates = vertexFormat.st ? new Float32Array(size * 2) : void 0;
|
||
|
|
const normals = vertexFormat.normal ? new Float32Array(size * 3) : void 0;
|
||
|
|
const tangents = vertexFormat.tangent ? new Float32Array(size * 3) : void 0;
|
||
|
|
const bitangents = vertexFormat.bitangent ? new Float32Array(size * 3) : void 0;
|
||
|
|
const shadowVolume = options.shadowVolume;
|
||
|
|
const extrudeNormals = shadowVolume ? new Float32Array(size * 3) : void 0;
|
||
|
|
let textureCoordIndex = 0;
|
||
|
|
let normal = scratchNormal;
|
||
|
|
let tangent = scratchTangent;
|
||
|
|
let bitangent = scratchBitangent;
|
||
|
|
const projection = new GeographicProjection_default(ellipsoid);
|
||
|
|
const projectedCenter = projection.project(
|
||
|
|
ellipsoid.cartesianToCartographic(center, scratchCartographic),
|
||
|
|
projectedCenterScratch
|
||
|
|
);
|
||
|
|
const geodeticNormal = ellipsoid.scaleToGeodeticSurface(
|
||
|
|
center,
|
||
|
|
scratchCartesian1
|
||
|
|
);
|
||
|
|
ellipsoid.geodeticSurfaceNormal(geodeticNormal, geodeticNormal);
|
||
|
|
const rotation = Quaternion_default.fromAxisAngle(
|
||
|
|
geodeticNormal,
|
||
|
|
stRotation,
|
||
|
|
quaternionScratch
|
||
|
|
);
|
||
|
|
const textureMatrix = Matrix3_default.fromQuaternion(rotation, textureMatrixScratch);
|
||
|
|
const minTexCoord = Cartesian2_default.fromElements(
|
||
|
|
Number.POSITIVE_INFINITY,
|
||
|
|
Number.POSITIVE_INFINITY,
|
||
|
|
scratchMinTexCoord
|
||
|
|
);
|
||
|
|
const maxTexCoord = Cartesian2_default.fromElements(
|
||
|
|
Number.NEGATIVE_INFINITY,
|
||
|
|
Number.NEGATIVE_INFINITY,
|
||
|
|
scratchMaxTexCoord
|
||
|
|
);
|
||
|
|
let length = positions.length;
|
||
|
|
const stOffset = length / 3 * 2;
|
||
|
|
for (let i = 0; i < length; i += 3) {
|
||
|
|
const i1 = i + 1;
|
||
|
|
const i2 = i + 2;
|
||
|
|
let position = Cartesian3_default.fromArray(positions, i, scratchCartesian1);
|
||
|
|
let extrudedPosition;
|
||
|
|
if (vertexFormat.st) {
|
||
|
|
const rotatedPoint = Matrix3_default.multiplyByVector(
|
||
|
|
textureMatrix,
|
||
|
|
position,
|
||
|
|
scratchCartesian2
|
||
|
|
);
|
||
|
|
const projectedPoint = projection.project(
|
||
|
|
ellipsoid.cartesianToCartographic(rotatedPoint, scratchCartographic),
|
||
|
|
scratchCartesian3
|
||
|
|
);
|
||
|
|
Cartesian3_default.subtract(projectedPoint, projectedCenter, projectedPoint);
|
||
|
|
texCoordScratch.x = (projectedPoint.x + semiMajorAxis) / (2 * semiMajorAxis);
|
||
|
|
texCoordScratch.y = (projectedPoint.y + semiMinorAxis) / (2 * semiMinorAxis);
|
||
|
|
minTexCoord.x = Math.min(texCoordScratch.x, minTexCoord.x);
|
||
|
|
minTexCoord.y = Math.min(texCoordScratch.y, minTexCoord.y);
|
||
|
|
maxTexCoord.x = Math.max(texCoordScratch.x, maxTexCoord.x);
|
||
|
|
maxTexCoord.y = Math.max(texCoordScratch.y, maxTexCoord.y);
|
||
|
|
textureCoordinates[textureCoordIndex + stOffset] = texCoordScratch.x;
|
||
|
|
textureCoordinates[textureCoordIndex + 1 + stOffset] = texCoordScratch.y;
|
||
|
|
textureCoordinates[textureCoordIndex++] = texCoordScratch.x;
|
||
|
|
textureCoordinates[textureCoordIndex++] = texCoordScratch.y;
|
||
|
|
}
|
||
|
|
position = ellipsoid.scaleToGeodeticSurface(position, position);
|
||
|
|
extrudedPosition = Cartesian3_default.clone(position, scratchCartesian2);
|
||
|
|
normal = ellipsoid.geodeticSurfaceNormal(position, normal);
|
||
|
|
if (shadowVolume) {
|
||
|
|
extrudeNormals[i + length] = -normal.x;
|
||
|
|
extrudeNormals[i1 + length] = -normal.y;
|
||
|
|
extrudeNormals[i2 + length] = -normal.z;
|
||
|
|
}
|
||
|
|
let scaledNormal = Cartesian3_default.multiplyByScalar(
|
||
|
|
normal,
|
||
|
|
height,
|
||
|
|
scratchCartesian4
|
||
|
|
);
|
||
|
|
position = Cartesian3_default.add(position, scaledNormal, position);
|
||
|
|
scaledNormal = Cartesian3_default.multiplyByScalar(
|
||
|
|
normal,
|
||
|
|
extrudedHeight,
|
||
|
|
scaledNormal
|
||
|
|
);
|
||
|
|
extrudedPosition = Cartesian3_default.add(
|
||
|
|
extrudedPosition,
|
||
|
|
scaledNormal,
|
||
|
|
extrudedPosition
|
||
|
|
);
|
||
|
|
if (vertexFormat.position) {
|
||
|
|
finalPositions[i + length] = extrudedPosition.x;
|
||
|
|
finalPositions[i1 + length] = extrudedPosition.y;
|
||
|
|
finalPositions[i2 + length] = extrudedPosition.z;
|
||
|
|
finalPositions[i] = position.x;
|
||
|
|
finalPositions[i1] = position.y;
|
||
|
|
finalPositions[i2] = position.z;
|
||
|
|
}
|
||
|
|
if (vertexFormat.normal || vertexFormat.tangent || vertexFormat.bitangent) {
|
||
|
|
bitangent = Cartesian3_default.clone(normal, bitangent);
|
||
|
|
const next = Cartesian3_default.fromArray(
|
||
|
|
positions,
|
||
|
|
(i + 3) % length,
|
||
|
|
scratchCartesian4
|
||
|
|
);
|
||
|
|
Cartesian3_default.subtract(next, position, next);
|
||
|
|
const bottom = Cartesian3_default.subtract(
|
||
|
|
extrudedPosition,
|
||
|
|
position,
|
||
|
|
scratchCartesian3
|
||
|
|
);
|
||
|
|
normal = Cartesian3_default.normalize(
|
||
|
|
Cartesian3_default.cross(bottom, next, normal),
|
||
|
|
normal
|
||
|
|
);
|
||
|
|
if (vertexFormat.normal) {
|
||
|
|
normals[i] = normal.x;
|
||
|
|
normals[i1] = normal.y;
|
||
|
|
normals[i2] = normal.z;
|
||
|
|
normals[i + length] = normal.x;
|
||
|
|
normals[i1 + length] = normal.y;
|
||
|
|
normals[i2 + length] = normal.z;
|
||
|
|
}
|
||
|
|
if (vertexFormat.tangent) {
|
||
|
|
tangent = Cartesian3_default.normalize(
|
||
|
|
Cartesian3_default.cross(bitangent, normal, tangent),
|
||
|
|
tangent
|
||
|
|
);
|
||
|
|
tangents[i] = tangent.x;
|
||
|
|
tangents[i1] = tangent.y;
|
||
|
|
tangents[i2] = tangent.z;
|
||
|
|
tangents[i + length] = tangent.x;
|
||
|
|
tangents[i + 1 + length] = tangent.y;
|
||
|
|
tangents[i + 2 + length] = tangent.z;
|
||
|
|
}
|
||
|
|
if (vertexFormat.bitangent) {
|
||
|
|
bitangents[i] = bitangent.x;
|
||
|
|
bitangents[i1] = bitangent.y;
|
||
|
|
bitangents[i2] = bitangent.z;
|
||
|
|
bitangents[i + length] = bitangent.x;
|
||
|
|
bitangents[i1 + length] = bitangent.y;
|
||
|
|
bitangents[i2 + length] = bitangent.z;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (vertexFormat.st) {
|
||
|
|
length = textureCoordinates.length;
|
||
|
|
for (let k = 0; k < length; k += 2) {
|
||
|
|
textureCoordinates[k] = (textureCoordinates[k] - minTexCoord.x) / (maxTexCoord.x - minTexCoord.x);
|
||
|
|
textureCoordinates[k + 1] = (textureCoordinates[k + 1] - minTexCoord.y) / (maxTexCoord.y - minTexCoord.y);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
const attributes = new GeometryAttributes_default();
|
||
|
|
if (vertexFormat.position) {
|
||
|
|
attributes.position = new GeometryAttribute_default({
|
||
|
|
componentDatatype: ComponentDatatype_default.DOUBLE,
|
||
|
|
componentsPerAttribute: 3,
|
||
|
|
values: finalPositions
|
||
|
|
});
|
||
|
|
}
|
||
|
|
if (vertexFormat.st) {
|
||
|
|
attributes.st = new GeometryAttribute_default({
|
||
|
|
componentDatatype: ComponentDatatype_default.FLOAT,
|
||
|
|
componentsPerAttribute: 2,
|
||
|
|
values: textureCoordinates
|
||
|
|
});
|
||
|
|
}
|
||
|
|
if (vertexFormat.normal) {
|
||
|
|
attributes.normal = new GeometryAttribute_default({
|
||
|
|
componentDatatype: ComponentDatatype_default.FLOAT,
|
||
|
|
componentsPerAttribute: 3,
|
||
|
|
values: normals
|
||
|
|
});
|
||
|
|
}
|
||
|
|
if (vertexFormat.tangent) {
|
||
|
|
attributes.tangent = new GeometryAttribute_default({
|
||
|
|
componentDatatype: ComponentDatatype_default.FLOAT,
|
||
|
|
componentsPerAttribute: 3,
|
||
|
|
values: tangents
|
||
|
|
});
|
||
|
|
}
|
||
|
|
if (vertexFormat.bitangent) {
|
||
|
|
attributes.bitangent = new GeometryAttribute_default({
|
||
|
|
componentDatatype: ComponentDatatype_default.FLOAT,
|
||
|
|
componentsPerAttribute: 3,
|
||
|
|
values: bitangents
|
||
|
|
});
|
||
|
|
}
|
||
|
|
if (shadowVolume) {
|
||
|
|
attributes.extrudeDirection = new GeometryAttribute_default({
|
||
|
|
componentDatatype: ComponentDatatype_default.FLOAT,
|
||
|
|
componentsPerAttribute: 3,
|
||
|
|
values: extrudeNormals
|
||
|
|
});
|
||
|
|
}
|
||
|
|
if (defined_default(options.offsetAttribute)) {
|
||
|
|
let offsetAttribute = new Uint8Array(size);
|
||
|
|
if (options.offsetAttribute === GeometryOffsetAttribute_default.TOP) {
|
||
|
|
offsetAttribute = offsetAttribute.fill(1, 0, size / 2);
|
||
|
|
} else {
|
||
|
|
const offsetValue = options.offsetAttribute === GeometryOffsetAttribute_default.NONE ? 0 : 1;
|
||
|
|
offsetAttribute = offsetAttribute.fill(offsetValue);
|
||
|
|
}
|
||
|
|
attributes.applyOffset = new GeometryAttribute_default({
|
||
|
|
componentDatatype: ComponentDatatype_default.UNSIGNED_BYTE,
|
||
|
|
componentsPerAttribute: 1,
|
||
|
|
values: offsetAttribute
|
||
|
|
});
|
||
|
|
}
|
||
|
|
return attributes;
|
||
|
|
}
|
||
|
|
function computeWallIndices(positions) {
|
||
|
|
const length = positions.length / 3;
|
||
|
|
const indices = IndexDatatype_default.createTypedArray(length, length * 6);
|
||
|
|
let index = 0;
|
||
|
|
for (let i = 0; i < length; i++) {
|
||
|
|
const UL = i;
|
||
|
|
const LL = i + length;
|
||
|
|
const UR = (UL + 1) % length;
|
||
|
|
const LR = UR + length;
|
||
|
|
indices[index++] = UL;
|
||
|
|
indices[index++] = LL;
|
||
|
|
indices[index++] = UR;
|
||
|
|
indices[index++] = UR;
|
||
|
|
indices[index++] = LL;
|
||
|
|
indices[index++] = LR;
|
||
|
|
}
|
||
|
|
return indices;
|
||
|
|
}
|
||
|
|
var topBoundingSphere = new BoundingSphere_default();
|
||
|
|
var bottomBoundingSphere = new BoundingSphere_default();
|
||
|
|
function computeExtrudedEllipse(options) {
|
||
|
|
const center = options.center;
|
||
|
|
const ellipsoid = options.ellipsoid;
|
||
|
|
const semiMajorAxis = options.semiMajorAxis;
|
||
|
|
let scaledNormal = Cartesian3_default.multiplyByScalar(
|
||
|
|
ellipsoid.geodeticSurfaceNormal(center, scratchCartesian1),
|
||
|
|
options.height,
|
||
|
|
scratchCartesian1
|
||
|
|
);
|
||
|
|
topBoundingSphere.center = Cartesian3_default.add(
|
||
|
|
center,
|
||
|
|
scaledNormal,
|
||
|
|
topBoundingSphere.center
|
||
|
|
);
|
||
|
|
topBoundingSphere.radius = semiMajorAxis;
|
||
|
|
scaledNormal = Cartesian3_default.multiplyByScalar(
|
||
|
|
ellipsoid.geodeticSurfaceNormal(center, scaledNormal),
|
||
|
|
options.extrudedHeight,
|
||
|
|
scaledNormal
|
||
|
|
);
|
||
|
|
bottomBoundingSphere.center = Cartesian3_default.add(
|
||
|
|
center,
|
||
|
|
scaledNormal,
|
||
|
|
bottomBoundingSphere.center
|
||
|
|
);
|
||
|
|
bottomBoundingSphere.radius = semiMajorAxis;
|
||
|
|
const cep = EllipseGeometryLibrary_default.computeEllipsePositions(
|
||
|
|
options,
|
||
|
|
true,
|
||
|
|
true
|
||
|
|
);
|
||
|
|
const positions = cep.positions;
|
||
|
|
const numPts = cep.numPts;
|
||
|
|
const outerPositions = cep.outerPositions;
|
||
|
|
const boundingSphere = BoundingSphere_default.union(
|
||
|
|
topBoundingSphere,
|
||
|
|
bottomBoundingSphere
|
||
|
|
);
|
||
|
|
const topBottomAttributes = computeTopBottomAttributes(
|
||
|
|
positions,
|
||
|
|
options,
|
||
|
|
true
|
||
|
|
);
|
||
|
|
let indices = topIndices(numPts);
|
||
|
|
const length = indices.length;
|
||
|
|
indices.length = length * 2;
|
||
|
|
const posLength = positions.length / 3;
|
||
|
|
for (let i = 0; i < length; i += 3) {
|
||
|
|
indices[i + length] = indices[i + 2] + posLength;
|
||
|
|
indices[i + 1 + length] = indices[i + 1] + posLength;
|
||
|
|
indices[i + 2 + length] = indices[i] + posLength;
|
||
|
|
}
|
||
|
|
const topBottomIndices = IndexDatatype_default.createTypedArray(
|
||
|
|
posLength * 2 / 3,
|
||
|
|
indices
|
||
|
|
);
|
||
|
|
const topBottomGeo = new Geometry_default({
|
||
|
|
attributes: topBottomAttributes,
|
||
|
|
indices: topBottomIndices,
|
||
|
|
primitiveType: PrimitiveType_default.TRIANGLES
|
||
|
|
});
|
||
|
|
const wallAttributes = computeWallAttributes(outerPositions, options);
|
||
|
|
indices = computeWallIndices(outerPositions);
|
||
|
|
const wallIndices = IndexDatatype_default.createTypedArray(
|
||
|
|
outerPositions.length * 2 / 3,
|
||
|
|
indices
|
||
|
|
);
|
||
|
|
const wallGeo = new Geometry_default({
|
||
|
|
attributes: wallAttributes,
|
||
|
|
indices: wallIndices,
|
||
|
|
primitiveType: PrimitiveType_default.TRIANGLES
|
||
|
|
});
|
||
|
|
const geo = GeometryPipeline_default.combineInstances([
|
||
|
|
new GeometryInstance_default({
|
||
|
|
geometry: topBottomGeo
|
||
|
|
}),
|
||
|
|
new GeometryInstance_default({
|
||
|
|
geometry: wallGeo
|
||
|
|
})
|
||
|
|
]);
|
||
|
|
return {
|
||
|
|
boundingSphere,
|
||
|
|
attributes: geo[0].attributes,
|
||
|
|
indices: geo[0].indices
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function computeRectangle(center, semiMajorAxis, semiMinorAxis, rotation, granularity, ellipsoid, result) {
|
||
|
|
const cep = EllipseGeometryLibrary_default.computeEllipsePositions(
|
||
|
|
{
|
||
|
|
center,
|
||
|
|
semiMajorAxis,
|
||
|
|
semiMinorAxis,
|
||
|
|
rotation,
|
||
|
|
granularity
|
||
|
|
},
|
||
|
|
false,
|
||
|
|
true
|
||
|
|
);
|
||
|
|
const positionsFlat = cep.outerPositions;
|
||
|
|
const positionsCount = positionsFlat.length / 3;
|
||
|
|
const positions = new Array(positionsCount);
|
||
|
|
for (let i = 0; i < positionsCount; ++i) {
|
||
|
|
positions[i] = Cartesian3_default.fromArray(positionsFlat, i * 3);
|
||
|
|
}
|
||
|
|
const rectangle = Rectangle_default.fromCartesianArray(positions, ellipsoid, result);
|
||
|
|
if (rectangle.width > Math_default.PI) {
|
||
|
|
rectangle.north = rectangle.north > 0 ? Math_default.PI_OVER_TWO - Math_default.EPSILON7 : rectangle.north;
|
||
|
|
rectangle.south = rectangle.south < 0 ? Math_default.EPSILON7 - Math_default.PI_OVER_TWO : rectangle.south;
|
||
|
|
rectangle.east = Math_default.PI;
|
||
|
|
rectangle.west = -Math_default.PI;
|
||
|
|
}
|
||
|
|
return rectangle;
|
||
|
|
}
|
||
|
|
function EllipseGeometry(options) {
|
||
|
|
options = defaultValue_default(options, defaultValue_default.EMPTY_OBJECT);
|
||
|
|
const center = options.center;
|
||
|
|
const ellipsoid = defaultValue_default(options.ellipsoid, Ellipsoid_default.WGS84);
|
||
|
|
const semiMajorAxis = options.semiMajorAxis;
|
||
|
|
const semiMinorAxis = options.semiMinorAxis;
|
||
|
|
const granularity = defaultValue_default(
|
||
|
|
options.granularity,
|
||
|
|
Math_default.RADIANS_PER_DEGREE
|
||
|
|
);
|
||
|
|
const vertexFormat = defaultValue_default(options.vertexFormat, VertexFormat_default.DEFAULT);
|
||
|
|
Check_default.defined("options.center", center);
|
||
|
|
Check_default.typeOf.number("options.semiMajorAxis", semiMajorAxis);
|
||
|
|
Check_default.typeOf.number("options.semiMinorAxis", semiMinorAxis);
|
||
|
|
if (semiMajorAxis < semiMinorAxis) {
|
||
|
|
throw new DeveloperError_default(
|
||
|
|
"semiMajorAxis must be greater than or equal to the semiMinorAxis."
|
||
|
|
);
|
||
|
|
}
|
||
|
|
if (granularity <= 0) {
|
||
|
|
throw new DeveloperError_default("granularity must be greater than zero.");
|
||
|
|
}
|
||
|
|
const height = defaultValue_default(options.height, 0);
|
||
|
|
const extrudedHeight = defaultValue_default(options.extrudedHeight, height);
|
||
|
|
this._center = Cartesian3_default.clone(center);
|
||
|
|
this._semiMajorAxis = semiMajorAxis;
|
||
|
|
this._semiMinorAxis = semiMinorAxis;
|
||
|
|
this._ellipsoid = Ellipsoid_default.clone(ellipsoid);
|
||
|
|
this._rotation = defaultValue_default(options.rotation, 0);
|
||
|
|
this._stRotation = defaultValue_default(options.stRotation, 0);
|
||
|
|
this._height = Math.max(extrudedHeight, height);
|
||
|
|
this._granularity = granularity;
|
||
|
|
this._vertexFormat = VertexFormat_default.clone(vertexFormat);
|
||
|
|
this._extrudedHeight = Math.min(extrudedHeight, height);
|
||
|
|
this._shadowVolume = defaultValue_default(options.shadowVolume, false);
|
||
|
|
this._workerName = "createEllipseGeometry";
|
||
|
|
this._offsetAttribute = options.offsetAttribute;
|
||
|
|
this._rectangle = void 0;
|
||
|
|
this._textureCoordinateRotationPoints = void 0;
|
||
|
|
}
|
||
|
|
EllipseGeometry.packedLength = Cartesian3_default.packedLength + Ellipsoid_default.packedLength + VertexFormat_default.packedLength + 9;
|
||
|
|
EllipseGeometry.pack = function(value, array, startingIndex) {
|
||
|
|
Check_default.defined("value", value);
|
||
|
|
Check_default.defined("array", array);
|
||
|
|
startingIndex = defaultValue_default(startingIndex, 0);
|
||
|
|
Cartesian3_default.pack(value._center, array, startingIndex);
|
||
|
|
startingIndex += Cartesian3_default.packedLength;
|
||
|
|
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._semiMajorAxis;
|
||
|
|
array[startingIndex++] = value._semiMinorAxis;
|
||
|
|
array[startingIndex++] = value._rotation;
|
||
|
|
array[startingIndex++] = value._stRotation;
|
||
|
|
array[startingIndex++] = value._height;
|
||
|
|
array[startingIndex++] = value._granularity;
|
||
|
|
array[startingIndex++] = value._extrudedHeight;
|
||
|
|
array[startingIndex++] = value._shadowVolume ? 1 : 0;
|
||
|
|
array[startingIndex] = defaultValue_default(value._offsetAttribute, -1);
|
||
|
|
return array;
|
||
|
|
};
|
||
|
|
var scratchCenter = new Cartesian3_default();
|
||
|
|
var scratchEllipsoid = new Ellipsoid_default();
|
||
|
|
var scratchVertexFormat = new VertexFormat_default();
|
||
|
|
var scratchOptions = {
|
||
|
|
center: scratchCenter,
|
||
|
|
ellipsoid: scratchEllipsoid,
|
||
|
|
vertexFormat: scratchVertexFormat,
|
||
|
|
semiMajorAxis: void 0,
|
||
|
|
semiMinorAxis: void 0,
|
||
|
|
rotation: void 0,
|
||
|
|
stRotation: void 0,
|
||
|
|
height: void 0,
|
||
|
|
granularity: void 0,
|
||
|
|
extrudedHeight: void 0,
|
||
|
|
shadowVolume: void 0,
|
||
|
|
offsetAttribute: void 0
|
||
|
|
};
|
||
|
|
EllipseGeometry.unpack = function(array, startingIndex, result) {
|
||
|
|
Check_default.defined("array", array);
|
||
|
|
startingIndex = defaultValue_default(startingIndex, 0);
|
||
|
|
const center = Cartesian3_default.unpack(array, startingIndex, scratchCenter);
|
||
|
|
startingIndex += Cartesian3_default.packedLength;
|
||
|
|
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 semiMajorAxis = array[startingIndex++];
|
||
|
|
const semiMinorAxis = array[startingIndex++];
|
||
|
|
const rotation = array[startingIndex++];
|
||
|
|
const stRotation = array[startingIndex++];
|
||
|
|
const height = array[startingIndex++];
|
||
|
|
const granularity = array[startingIndex++];
|
||
|
|
const extrudedHeight = array[startingIndex++];
|
||
|
|
const shadowVolume = array[startingIndex++] === 1;
|
||
|
|
const offsetAttribute = array[startingIndex];
|
||
|
|
if (!defined_default(result)) {
|
||
|
|
scratchOptions.height = height;
|
||
|
|
scratchOptions.extrudedHeight = extrudedHeight;
|
||
|
|
scratchOptions.granularity = granularity;
|
||
|
|
scratchOptions.stRotation = stRotation;
|
||
|
|
scratchOptions.rotation = rotation;
|
||
|
|
scratchOptions.semiMajorAxis = semiMajorAxis;
|
||
|
|
scratchOptions.semiMinorAxis = semiMinorAxis;
|
||
|
|
scratchOptions.shadowVolume = shadowVolume;
|
||
|
|
scratchOptions.offsetAttribute = offsetAttribute === -1 ? void 0 : offsetAttribute;
|
||
|
|
return new EllipseGeometry(scratchOptions);
|
||
|
|
}
|
||
|
|
result._center = Cartesian3_default.clone(center, result._center);
|
||
|
|
result._ellipsoid = Ellipsoid_default.clone(ellipsoid, result._ellipsoid);
|
||
|
|
result._vertexFormat = VertexFormat_default.clone(vertexFormat, result._vertexFormat);
|
||
|
|
result._semiMajorAxis = semiMajorAxis;
|
||
|
|
result._semiMinorAxis = semiMinorAxis;
|
||
|
|
result._rotation = rotation;
|
||
|
|
result._stRotation = stRotation;
|
||
|
|
result._height = height;
|
||
|
|
result._granularity = granularity;
|
||
|
|
result._extrudedHeight = extrudedHeight;
|
||
|
|
result._shadowVolume = shadowVolume;
|
||
|
|
result._offsetAttribute = offsetAttribute === -1 ? void 0 : offsetAttribute;
|
||
|
|
return result;
|
||
|
|
};
|
||
|
|
EllipseGeometry.computeRectangle = function(options, result) {
|
||
|
|
options = defaultValue_default(options, defaultValue_default.EMPTY_OBJECT);
|
||
|
|
const center = options.center;
|
||
|
|
const ellipsoid = defaultValue_default(options.ellipsoid, Ellipsoid_default.WGS84);
|
||
|
|
const semiMajorAxis = options.semiMajorAxis;
|
||
|
|
const semiMinorAxis = options.semiMinorAxis;
|
||
|
|
const granularity = defaultValue_default(
|
||
|
|
options.granularity,
|
||
|
|
Math_default.RADIANS_PER_DEGREE
|
||
|
|
);
|
||
|
|
const rotation = defaultValue_default(options.rotation, 0);
|
||
|
|
Check_default.defined("options.center", center);
|
||
|
|
Check_default.typeOf.number("options.semiMajorAxis", semiMajorAxis);
|
||
|
|
Check_default.typeOf.number("options.semiMinorAxis", semiMinorAxis);
|
||
|
|
if (semiMajorAxis < semiMinorAxis) {
|
||
|
|
throw new DeveloperError_default(
|
||
|
|
"semiMajorAxis must be greater than or equal to the semiMinorAxis."
|
||
|
|
);
|
||
|
|
}
|
||
|
|
if (granularity <= 0) {
|
||
|
|
throw new DeveloperError_default("granularity must be greater than zero.");
|
||
|
|
}
|
||
|
|
return computeRectangle(
|
||
|
|
center,
|
||
|
|
semiMajorAxis,
|
||
|
|
semiMinorAxis,
|
||
|
|
rotation,
|
||
|
|
granularity,
|
||
|
|
ellipsoid,
|
||
|
|
result
|
||
|
|
);
|
||
|
|
};
|
||
|
|
EllipseGeometry.createGeometry = function(ellipseGeometry) {
|
||
|
|
if (ellipseGeometry._semiMajorAxis <= 0 || ellipseGeometry._semiMinorAxis <= 0) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
const height = ellipseGeometry._height;
|
||
|
|
const extrudedHeight = ellipseGeometry._extrudedHeight;
|
||
|
|
const extrude = !Math_default.equalsEpsilon(
|
||
|
|
height,
|
||
|
|
extrudedHeight,
|
||
|
|
0,
|
||
|
|
Math_default.EPSILON2
|
||
|
|
);
|
||
|
|
ellipseGeometry._center = ellipseGeometry._ellipsoid.scaleToGeodeticSurface(
|
||
|
|
ellipseGeometry._center,
|
||
|
|
ellipseGeometry._center
|
||
|
|
);
|
||
|
|
const options = {
|
||
|
|
center: ellipseGeometry._center,
|
||
|
|
semiMajorAxis: ellipseGeometry._semiMajorAxis,
|
||
|
|
semiMinorAxis: ellipseGeometry._semiMinorAxis,
|
||
|
|
ellipsoid: ellipseGeometry._ellipsoid,
|
||
|
|
rotation: ellipseGeometry._rotation,
|
||
|
|
height,
|
||
|
|
granularity: ellipseGeometry._granularity,
|
||
|
|
vertexFormat: ellipseGeometry._vertexFormat,
|
||
|
|
stRotation: ellipseGeometry._stRotation
|
||
|
|
};
|
||
|
|
let geometry;
|
||
|
|
if (extrude) {
|
||
|
|
options.extrudedHeight = extrudedHeight;
|
||
|
|
options.shadowVolume = ellipseGeometry._shadowVolume;
|
||
|
|
options.offsetAttribute = ellipseGeometry._offsetAttribute;
|
||
|
|
geometry = computeExtrudedEllipse(options);
|
||
|
|
} else {
|
||
|
|
geometry = computeEllipse(options);
|
||
|
|
if (defined_default(ellipseGeometry._offsetAttribute)) {
|
||
|
|
const length = geometry.attributes.position.values.length;
|
||
|
|
const offsetValue = ellipseGeometry._offsetAttribute === GeometryOffsetAttribute_default.NONE ? 0 : 1;
|
||
|
|
const applyOffset = new Uint8Array(length / 3).fill(offsetValue);
|
||
|
|
geometry.attributes.applyOffset = new GeometryAttribute_default({
|
||
|
|
componentDatatype: ComponentDatatype_default.UNSIGNED_BYTE,
|
||
|
|
componentsPerAttribute: 1,
|
||
|
|
values: applyOffset
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return new Geometry_default({
|
||
|
|
attributes: geometry.attributes,
|
||
|
|
indices: geometry.indices,
|
||
|
|
primitiveType: PrimitiveType_default.TRIANGLES,
|
||
|
|
boundingSphere: geometry.boundingSphere,
|
||
|
|
offsetAttribute: ellipseGeometry._offsetAttribute
|
||
|
|
});
|
||
|
|
};
|
||
|
|
EllipseGeometry.createShadowVolume = function(ellipseGeometry, minHeightFunc, maxHeightFunc) {
|
||
|
|
const granularity = ellipseGeometry._granularity;
|
||
|
|
const ellipsoid = ellipseGeometry._ellipsoid;
|
||
|
|
const minHeight = minHeightFunc(granularity, ellipsoid);
|
||
|
|
const maxHeight = maxHeightFunc(granularity, ellipsoid);
|
||
|
|
return new EllipseGeometry({
|
||
|
|
center: ellipseGeometry._center,
|
||
|
|
semiMajorAxis: ellipseGeometry._semiMajorAxis,
|
||
|
|
semiMinorAxis: ellipseGeometry._semiMinorAxis,
|
||
|
|
ellipsoid,
|
||
|
|
rotation: ellipseGeometry._rotation,
|
||
|
|
stRotation: ellipseGeometry._stRotation,
|
||
|
|
granularity,
|
||
|
|
extrudedHeight: minHeight,
|
||
|
|
height: maxHeight,
|
||
|
|
vertexFormat: VertexFormat_default.POSITION_ONLY,
|
||
|
|
shadowVolume: true
|
||
|
|
});
|
||
|
|
};
|
||
|
|
function textureCoordinateRotationPoints(ellipseGeometry) {
|
||
|
|
const stRotation = -ellipseGeometry._stRotation;
|
||
|
|
if (stRotation === 0) {
|
||
|
|
return [0, 0, 0, 1, 1, 0];
|
||
|
|
}
|
||
|
|
const cep = EllipseGeometryLibrary_default.computeEllipsePositions(
|
||
|
|
{
|
||
|
|
center: ellipseGeometry._center,
|
||
|
|
semiMajorAxis: ellipseGeometry._semiMajorAxis,
|
||
|
|
semiMinorAxis: ellipseGeometry._semiMinorAxis,
|
||
|
|
rotation: ellipseGeometry._rotation,
|
||
|
|
granularity: ellipseGeometry._granularity
|
||
|
|
},
|
||
|
|
false,
|
||
|
|
true
|
||
|
|
);
|
||
|
|
const positionsFlat = cep.outerPositions;
|
||
|
|
const positionsCount = positionsFlat.length / 3;
|
||
|
|
const positions = new Array(positionsCount);
|
||
|
|
for (let i = 0; i < positionsCount; ++i) {
|
||
|
|
positions[i] = Cartesian3_default.fromArray(positionsFlat, i * 3);
|
||
|
|
}
|
||
|
|
const ellipsoid = ellipseGeometry._ellipsoid;
|
||
|
|
const boundingRectangle = ellipseGeometry.rectangle;
|
||
|
|
return Geometry_default._textureCoordinateRotationPoints(
|
||
|
|
positions,
|
||
|
|
stRotation,
|
||
|
|
ellipsoid,
|
||
|
|
boundingRectangle
|
||
|
|
);
|
||
|
|
}
|
||
|
|
Object.defineProperties(EllipseGeometry.prototype, {
|
||
|
|
/**
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
rectangle: {
|
||
|
|
get: function() {
|
||
|
|
if (!defined_default(this._rectangle)) {
|
||
|
|
this._rectangle = computeRectangle(
|
||
|
|
this._center,
|
||
|
|
this._semiMajorAxis,
|
||
|
|
this._semiMinorAxis,
|
||
|
|
this._rotation,
|
||
|
|
this._granularity,
|
||
|
|
this._ellipsoid
|
||
|
|
);
|
||
|
|
}
|
||
|
|
return this._rectangle;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
/**
|
||
|
|
* For remapping texture coordinates when rendering EllipseGeometries as GroundPrimitives.
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
textureCoordinateRotationPoints: {
|
||
|
|
get: function() {
|
||
|
|
if (!defined_default(this._textureCoordinateRotationPoints)) {
|
||
|
|
this._textureCoordinateRotationPoints = textureCoordinateRotationPoints(
|
||
|
|
this
|
||
|
|
);
|
||
|
|
}
|
||
|
|
return this._textureCoordinateRotationPoints;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
});
|
||
|
|
var EllipseGeometry_default = EllipseGeometry;
|
||
|
|
|
||
|
|
export {
|
||
|
|
EllipseGeometry_default
|
||
|
|
};
|