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nux  3.0.0
Trigonometry.h
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00001 /*
00002  * Copyright 2010 Inalogic® Inc.
00003  *
00004  * This program is free software: you can redistribute it and/or modify it
00005  * under the terms of the GNU Lesser General Public License, as
00006  * published by the  Free Software Foundation; either version 2.1 or 3.0
00007  * of the License.
00008  *
00009  * This program is distributed in the hope that it will be useful, but
00010  * WITHOUT ANY WARRANTY; without even the implied warranties of
00011  * MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR
00012  * PURPOSE.  See the applicable version of the GNU Lesser General Public
00013  * License for more details.
00014  *
00015  * You should have received a copy of both the GNU Lesser General Public
00016  * License along with this program. If not, see <http://www.gnu.org/licenses/>
00017  *
00018  * Authored by: Jay Taoko <jaytaoko@inalogic.com>
00019  *
00020  */
00021 
00022 
00023 #ifndef TRIGONOMETRY_H
00024 #define TRIGONOMETRY_H
00025 
00026 #include "Vector3.h"
00027 
00028 namespace nux
00029 {
00030 // Assume the spherical coordinate system relatively to a right handed xyz,
00031 // with Z pointing up.
00032 // 0 <= phi < 180
00033 // 0 <= theta < 360 ->>> along X axis, theta = 0.
00034   Vector3 SphericalToCartesianXBaseDeg (float r, float theta, float phi);
00035   Vector3 SphericalToCartesianXBaseRad (float r, float theta, float phi);
00036 
00037 // Assume the spherical coordinate system relatively to a right handed xyz,
00038 // with Y pointing up.
00039 // 0 <= phi < 180
00040 // 0 <= theta < 360 ->>> along Z axis, theta = 0.
00041   Vector3 SphericalToCartesianZBaseDeg (float r, float theta, float phi);
00042   Vector3 SphericalToCartesianZBaseRad (float r, float theta, float phi);
00043 
00044   Vector3 CartesianToSphericalXBaseRad (float x, float y, float z);
00045   Vector3 CartesianToSphericalZBaseDeg (float x, float y, float z);
00046 
00047 
00048 }
00049 
00050 
00051 
00052 #endif // TRIGONOMETRY_H