/** * @license * Cesium - https://github.com/CesiumGS/cesium * Version 1.99 * * Copyright 2011-2022 Cesium Contributors * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * Columbus View (Pat. Pend.) * * Portions licensed separately. * See https://github.com/CesiumGS/cesium/blob/main/LICENSE.md for full licensing details. */ define(['./defaultValue-135942ca', './Transforms-ac2d28a9', './Matrix3-ea964448', './Check-40d84a28', './ComponentDatatype-ebdce3ba', './GeometryAttribute-51d61732', './GeometryAttributes-899f8bd0', './Math-efde0c7b', './Matrix2-f9f1b94b', './RuntimeError-f0dada00', './combine-462d91dd', './WebGLConstants-fcb70ee3'], (function (defaultValue, Transforms, Matrix3, Check, ComponentDatatype, GeometryAttribute, GeometryAttributes, Math$1, Matrix2, RuntimeError, combine, WebGLConstants) { 'use strict'; /** * Describes geometry representing the outline of a plane centered at the origin, with a unit width and length. * * @alias PlaneOutlineGeometry * @constructor * */ function PlaneOutlineGeometry() { this._workerName = "createPlaneOutlineGeometry"; } /** * The number of elements used to pack the object into an array. * @type {Number} */ PlaneOutlineGeometry.packedLength = 0; /** * Stores the provided instance into the provided array. * * @param {PlaneOutlineGeometry} value The value to pack. * @param {Number[]} array The array to pack into. * * @returns {Number[]} The array that was packed into */ PlaneOutlineGeometry.pack = function (value, array) { //>>includeStart('debug', pragmas.debug); Check.Check.defined("value", value); Check.Check.defined("array", array); //>>includeEnd('debug'); return array; }; /** * Retrieves an instance from a packed array. * * @param {Number[]} array The packed array. * @param {Number} [startingIndex=0] The starting index of the element to be unpacked. * @param {PlaneOutlineGeometry} [result] The object into which to store the result. * @returns {PlaneOutlineGeometry} The modified result parameter or a new PlaneOutlineGeometry instance if one was not provided. */ PlaneOutlineGeometry.unpack = function (array, startingIndex, result) { //>>includeStart('debug', pragmas.debug); Check.Check.defined("array", array); //>>includeEnd('debug'); if (!defaultValue.defined(result)) { return new PlaneOutlineGeometry(); } return result; }; const min = new Matrix3.Cartesian3(-0.5, -0.5, 0.0); const max = new Matrix3.Cartesian3(0.5, 0.5, 0.0); /** * Computes the geometric representation of an outline of a plane, including its vertices, indices, and a bounding sphere. * * @returns {Geometry|undefined} The computed vertices and indices. */ PlaneOutlineGeometry.createGeometry = function () { const attributes = new GeometryAttributes.GeometryAttributes(); const indices = new Uint16Array(4 * 2); const positions = new Float64Array(4 * 3); positions[0] = min.x; positions[1] = min.y; positions[2] = min.z; positions[3] = max.x; positions[4] = min.y; positions[5] = min.z; positions[6] = max.x; positions[7] = max.y; positions[8] = min.z; positions[9] = min.x; positions[10] = max.y; positions[11] = min.z; attributes.position = new GeometryAttribute.GeometryAttribute({ componentDatatype: ComponentDatatype.ComponentDatatype.DOUBLE, componentsPerAttribute: 3, values: positions, }); indices[0] = 0; indices[1] = 1; indices[2] = 1; indices[3] = 2; indices[4] = 2; indices[5] = 3; indices[6] = 3; indices[7] = 0; return new GeometryAttribute.Geometry({ attributes: attributes, indices: indices, primitiveType: GeometryAttribute.PrimitiveType.LINES, boundingSphere: new Transforms.BoundingSphere(Matrix3.Cartesian3.ZERO, Math.sqrt(2.0)), }); }; function createPlaneOutlineGeometry(planeGeometry, offset) { if (defaultValue.defined(offset)) { planeGeometry = PlaneOutlineGeometry.unpack(planeGeometry, offset); } return PlaneOutlineGeometry.createGeometry(planeGeometry); } return createPlaneOutlineGeometry; }));