@openhps/core
Version:
Open Hybrid Positioning System - Core component
58 lines (55 loc) • 2.02 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.IcosahedronGeometry = void 0;
var _PolyhedronGeometry = require("./PolyhedronGeometry.js");
/**
* A geometry class for representing an icosahedron.
*
* ```js
* const geometry = new THREE.IcosahedronGeometry();
* const material = new THREE.MeshBasicMaterial( { color: 0xffff00 } );
* const icosahedron = new THREE.Mesh( geometry, material );
* scene.add( icosahedron );
* ```
*
* @augments PolyhedronGeometry
*/
class IcosahedronGeometry extends _PolyhedronGeometry.PolyhedronGeometry {
/**
* Constructs a new icosahedron geometry.
*
* @param {number} [radius=1] - Radius of the icosahedron.
* @param {number} [detail=0] - Setting this to a value greater than `0` adds vertices making it no longer a icosahedron.
*/
constructor(radius = 1, detail = 0) {
const t = (1 + Math.sqrt(5)) / 2;
const vertices = [-1, t, 0, 1, t, 0, -1, -t, 0, 1, -t, 0, 0, -1, t, 0, 1, t, 0, -1, -t, 0, 1, -t, t, 0, -1, t, 0, 1, -t, 0, -1, -t, 0, 1];
const indices = [0, 11, 5, 0, 5, 1, 0, 1, 7, 0, 7, 10, 0, 10, 11, 1, 5, 9, 5, 11, 4, 11, 10, 2, 10, 7, 6, 7, 1, 8, 3, 9, 4, 3, 4, 2, 3, 2, 6, 3, 6, 8, 3, 8, 9, 4, 9, 5, 2, 4, 11, 6, 2, 10, 8, 6, 7, 9, 8, 1];
super(vertices, indices, radius, detail);
this.type = 'IcosahedronGeometry';
/**
* Holds the constructor parameters that have been
* used to generate the geometry. Any modification
* after instantiation does not change the geometry.
*
* @type {Object}
*/
this.parameters = {
radius: radius,
detail: detail
};
}
/**
* Factory method for creating an instance of this class from the given
* JSON object.
*
* @param {Object} data - A JSON object representing the serialized geometry.
* @return {IcosahedronGeometry} A new instance.
*/
static fromJSON(data) {
return new IcosahedronGeometry(data.radius, data.detail);
}
}
exports.IcosahedronGeometry = IcosahedronGeometry;