2 This file is part of the n3dmath2 library.
4 Copyright (C) 2005 John Tsiombikas <nuclear@siggraph.org>
6 n3dmath2 is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 n3dmath2 is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with n3dmath2; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #include "n3dmath2.hpp"
24 * @param theta 0 <= theta <= 2pi, the angle around Y axis.
25 * @param phi 0 <= phi <= pi, the angle from Y axis.
28 SphVector::SphVector(scalar_t theta, scalar_t phi, scalar_t r) {
34 /** Constructs a spherical coordinate vector from a cartesian vector */
35 SphVector::SphVector(const Vector3 &cvec) {
39 /** Assignment operator that converts cartesian to spherical coords */
40 SphVector &SphVector::operator =(const Vector3 &cvec) {
42 //theta = atan2(cvec.y, cvec.x);
43 theta = atan2(cvec.z, cvec.x);
44 //phi = acos(cvec.z / r);
45 phi = acos(cvec.y / r);