import BoundingSphere from "./BoundingSphere.js";
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import Cartesian3 from "./Cartesian3.js";
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import Check from "./Check.js";
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import ComponentDatatype from "./ComponentDatatype.js";
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import defined from "./defined.js";
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import Geometry from "./Geometry.js";
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import GeometryAttribute from "./GeometryAttribute.js";
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import GeometryAttributes from "./GeometryAttributes.js";
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import PrimitiveType from "./PrimitiveType.js";
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/**
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* Describes geometry representing the outline of a plane centered at the origin, with a unit width and length.
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*
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* @alias PlaneOutlineGeometry
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* @constructor
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*
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*/
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function PlaneOutlineGeometry() {
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this._workerName = "createPlaneOutlineGeometry";
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}
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/**
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* The number of elements used to pack the object into an array.
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* @type {Number}
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*/
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PlaneOutlineGeometry.packedLength = 0;
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/**
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* Stores the provided instance into the provided array.
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*
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* @param {PlaneOutlineGeometry} value The value to pack.
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* @param {Number[]} array The array to pack into.
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*
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* @returns {Number[]} The array that was packed into
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*/
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PlaneOutlineGeometry.pack = function (value, array) {
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//>>includeStart('debug', pragmas.debug);
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Check.defined("value", value);
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Check.defined("array", array);
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//>>includeEnd('debug');
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return array;
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};
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/**
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* Retrieves an instance from a packed array.
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*
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* @param {Number[]} array The packed array.
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* @param {Number} [startingIndex=0] The starting index of the element to be unpacked.
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* @param {PlaneOutlineGeometry} [result] The object into which to store the result.
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* @returns {PlaneOutlineGeometry} The modified result parameter or a new PlaneOutlineGeometry instance if one was not provided.
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*/
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PlaneOutlineGeometry.unpack = function (array, startingIndex, result) {
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//>>includeStart('debug', pragmas.debug);
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Check.defined("array", array);
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//>>includeEnd('debug');
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if (!defined(result)) {
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return new PlaneOutlineGeometry();
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}
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return result;
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};
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var min = new Cartesian3(-0.5, -0.5, 0.0);
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var max = new Cartesian3(0.5, 0.5, 0.0);
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/**
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* Computes the geometric representation of an outline of a plane, including its vertices, indices, and a bounding sphere.
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*
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* @returns {Geometry|undefined} The computed vertices and indices.
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*/
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PlaneOutlineGeometry.createGeometry = function () {
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var attributes = new GeometryAttributes();
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var indices = new Uint16Array(4 * 2);
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var positions = new Float64Array(4 * 3);
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positions[0] = min.x;
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positions[1] = min.y;
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positions[2] = min.z;
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positions[3] = max.x;
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positions[4] = min.y;
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positions[5] = min.z;
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positions[6] = max.x;
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positions[7] = max.y;
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positions[8] = min.z;
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positions[9] = min.x;
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positions[10] = max.y;
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positions[11] = min.z;
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attributes.position = new GeometryAttribute({
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componentDatatype: ComponentDatatype.DOUBLE,
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componentsPerAttribute: 3,
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values: positions,
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});
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indices[0] = 0;
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indices[1] = 1;
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indices[2] = 1;
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indices[3] = 2;
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indices[4] = 2;
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indices[5] = 3;
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indices[6] = 3;
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indices[7] = 0;
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return new Geometry({
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attributes: attributes,
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indices: indices,
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primitiveType: PrimitiveType.LINES,
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boundingSphere: new BoundingSphere(Cartesian3.ZERO, Math.sqrt(2.0)),
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});
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};
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export default PlaneOutlineGeometry;
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