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snQuaternionf.h
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snQuaternionf.h
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#ifndef __SNQUATERNIONF__
#define __SNQUATERNIONF__
#include "snVector3f.h"
#include <vector>
/*
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/lgpl.html>.
Author: Helge Mathee [email protected]
Company: Studio Nest (TM)
Date: 2010 / 09 / 21
*/
/**
* snEssence is the shared namespace between all classes within the snEssence library.
*/
namespace snEssence
{
// forward definitions
class snVector3f;
/**
* A class representing xyz-w Quaternion using floats.
*/
class snQuaternionf
{
private:
float xyzw[4];
public:
// constructors
snQuaternionf();
snQuaternionf(const snQuaternionf & in_Other);
snQuaternionf(float x, float y, float z, float w);
// getters
float GetX() const;
float GetY() const;
float GetZ() const ;
float GetW() const ;
float * GetArray();
snVector3f GetAxis();
float GetAngle();
snQuaternionf GetNormalized() const;
snQuaternionf GetConjugate() const;
snQuaternionf GetMultiplied(const snQuaternionf & in_B) const;
// setters
void Set(const snQuaternionf & in_Other);
void SetX(float in_X);
void SetY(float in_Y);
void SetZ(float in_Z);
void SetW(float in_W);
void Set(float in_X, float in_Y, float in_Z, float in_W);
// conversion
void SetAxisAngle(const snVector3f & in_Axis, float in_Angle);
void SetEuler(float pitch, float yaw, float roll);
// 0 parameter
bool Normalize();
void Conjugate();
// 1 parameter
void Mul(const snQuaternionf & in_B);
bool Normalize(const snQuaternionf & in_A);
void Conjugate(const snQuaternionf & in_A);
// 2 parameter
void Mul(const snQuaternionf & in_A, const snQuaternionf & in_B);
// operators
snQuaternionf operator *(const snQuaternionf & in_B) const { return GetMultiplied(in_B); }
void operator *=(const snQuaternionf & in_B) { return Mul(in_B); }
};
typedef snQuaternionf * snpQuaternionf;
typedef std::vector<snQuaternionf> snQuaternionfVec;
typedef std::vector<snpQuaternionf> snpQuaternionfVec;
}
#endif