content/hifi-content/dave/walk-tools/walkTools/libraries/three.js/extras/geometries/DodecahedronGeometry.js
2022-02-13 22:49:05 +01:00

56 lines
1.4 KiB
JavaScript

/**
* @author Abe Pazos / https://hamoid.com
*/
THREE.DodecahedronGeometry = function ( radius, detail ) {
this.parameters = {
radius: radius,
detail: detail
};
var t = ( 1 + Math.sqrt( 5 ) ) / 2;
var r = 1 / t;
var vertices = [
// (±1, ±1, ±1)
-1, -1, -1, -1, -1, 1,
-1, 1, -1, -1, 1, 1,
1, -1, -1, 1, -1, 1,
1, 1, -1, 1, 1, 1,
// (0, ±1/φ, ±φ)
0, -r, -t, 0, -r, t,
0, r, -t, 0, r, t,
// (±1/φ, ±φ, 0)
-r, -t, 0, -r, t, 0,
r, -t, 0, r, t, 0,
// (±φ, 0, ±1/φ)
-t, 0, -r, t, 0, -r,
-t, 0, r, t, 0, r
];
var indices = [
3, 11, 7, 3, 7, 15, 3, 15, 13,
7, 19, 17, 7, 17, 6, 7, 6, 15,
17, 4, 8, 17, 8, 10, 17, 10, 6,
8, 0, 16, 8, 16, 2, 8, 2, 10,
0, 12, 1, 0, 1, 18, 0, 18, 16,
6, 10, 2, 6, 2, 13, 6, 13, 15,
2, 16, 18, 2, 18, 3, 2, 3, 13,
18, 1, 9, 18, 9, 11, 18, 11, 3,
4, 14, 12, 4, 12, 0, 4, 0, 8,
11, 9, 5, 11, 5, 19, 11, 19, 7,
19, 5, 14, 19, 14, 4, 19, 4, 17,
1, 12, 14, 1, 14, 5, 1, 5, 9
];
THREE.PolyhedronGeometry.call( this, vertices, indices, radius, detail );
};
THREE.DodecahedronGeometry.prototype = Object.create( THREE.Geometry.prototype );
THREE.DodecahedronGeometry.prototype.constructor = THREE.DodecahedronGeometry;