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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 | 14x 14x 14x 14x 11x 1x 1x 5x 4x 1x 1x 1x 4x 3x 3x 3x 3x 3x 3x 1x 5x | import Cartesian3 from "./Cartesian3.js";
import Check from "./Check.js";
import defined from "./defined.js";
import EllipsoidOutlineGeometry from "./EllipsoidOutlineGeometry.js";
/**
* A description of the outline of a sphere.
*
* @alias SphereOutlineGeometry
* @constructor
*
* @param {object} [options] Object with the following properties:
* @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
* const sphere = new Cesium.SphereOutlineGeometry({
* radius : 100.0,
* stackPartitions : 6,
* slicePartitions: 5
* });
* const geometry = Cesium.SphereOutlineGeometry.createGeometry(sphere);
*/
function SphereOutlineGeometry(options) {
const radius = options.radius ?? 1.0;
const radii = new Cartesian3(radius, radius, radius);
const ellipsoidOptions = {
radii: radii,
stackPartitions: options.stackPartitions,
slicePartitions: options.slicePartitions,
subdivisions: options.subdivisions,
};
this._ellipsoidGeometry = new EllipsoidOutlineGeometry(ellipsoidOptions);
this._workerName = "createSphereOutlineGeometry";
}
/**
* The number of elements used to pack the object into an array.
* @type {number}
*/
SphereOutlineGeometry.packedLength = EllipsoidOutlineGeometry.packedLength;
/**
* Stores the provided instance into the provided array.
*
* @param {SphereOutlineGeometry} value The value to pack.
* @param {number[]} array The array to pack into.
* @param {number} [startingIndex=0] The index into the array at which to start packing the elements.
*
* @returns {number[]} The array that was packed into
*/
SphereOutlineGeometry.pack = function (value, array, startingIndex) {
//>>includeStart('debug', pragmas.debug);
Check.typeOf.object("value", value);
//>>includeEnd('debug');
return EllipsoidOutlineGeometry.pack(
value._ellipsoidGeometry,
array,
startingIndex,
);
};
const scratchEllipsoidGeometry = new EllipsoidOutlineGeometry();
const scratchOptions = {
radius: undefined,
radii: new Cartesian3(),
stackPartitions: undefined,
slicePartitions: undefined,
subdivisions: undefined,
};
/**
* 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 {SphereOutlineGeometry} [result] The object into which to store the result.
* @returns {SphereOutlineGeometry} The modified result parameter or a new SphereOutlineGeometry instance if one was not provided.
*/
SphereOutlineGeometry.unpack = function (array, startingIndex, result) {
const ellipsoidGeometry = EllipsoidOutlineGeometry.unpack(
array,
startingIndex,
scratchEllipsoidGeometry,
);
scratchOptions.stackPartitions = ellipsoidGeometry._stackPartitions;
scratchOptions.slicePartitions = ellipsoidGeometry._slicePartitions;
scratchOptions.subdivisions = ellipsoidGeometry._subdivisions;
Eif (!defined(result)) {
scratchOptions.radius = ellipsoidGeometry._radii.x;
return new SphereOutlineGeometry(scratchOptions);
}
Cartesian3.clone(ellipsoidGeometry._radii, scratchOptions.radii);
result._ellipsoidGeometry = new EllipsoidOutlineGeometry(scratchOptions);
return result;
};
/**
* 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|undefined} The computed vertices and indices.
*/
SphereOutlineGeometry.createGeometry = function (sphereGeometry) {
return EllipsoidOutlineGeometry.createGeometry(
sphereGeometry._ellipsoidGeometry,
);
};
export default SphereOutlineGeometry;
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