/*global define*/ define(['Core/defaultValue', 'Core/Cartesian3', 'Core/EllipsoidOutlineGeometry'], function( defaultValue, Cartesian3, EllipsoidOutlineGeometry) { "use strict"; /** * A description of the outline of a sphere. * * @alias SphereOutlineGeometry * @constructor * * @param {Number} [options.radius=1.0] The radius of the sphere. * @param {Number} [options.stackPartitions=10] The count of stacks for the sphere (1 greater than the number of parallel lines). * @param {Number} [options.slicePartitions=8] The count of slices for the sphere (Equal to the number of radial lines). * @param {Number} [options.subdivisions=200] The number of points per line, determining the granularity of the curvature . * * @exception {DeveloperError} options.stackPartitions must be greater than or equal to one. * @exception {DeveloperError} options.slicePartitions must be greater than or equal to zero. * @exception {DeveloperError} options.subdivisions must be greater than or equal to zero. * * @example * var sphere = new Cesium.SphereOutlineGeometry({ * radius : 100.0, * stackPartitions : 6, * slicePartitions: 5 * }); * var geometry = Cesium.SphereOutlineGeometry.createGeometry(sphere); */ var SphereOutlineGeometry = function(options) { var radius = defaultValue(options.radius, 1.0); var radii = new Cartesian3(radius, radius, radius); var ellipsoidOptions = { radii: radii, stackPartitions: options.stackPartitions, slicePartitions: options.slicePartitions, subdivisions: options.subdivisions }; this._ellipsoidGeometry = new EllipsoidOutlineGeometry(ellipsoidOptions); this._workerName = 'createSphereOutlineGeometry'; }; /** * Computes the geometric representation of an outline of a sphere, including its vertices, indices, and a bounding sphere. * * @param {SphereOutlineGeometry} sphereGeometry A description of the sphere outline. * @returns {Geometry} The computed vertices and indices. */ SphereOutlineGeometry.createGeometry = function(sphereGeometry) { return EllipsoidOutlineGeometry.createGeometry(sphereGeometry._ellipsoidGeometry); }; return SphereOutlineGeometry; });