0ad/source/maths/Quaternion.h
notpete 17a4174505 Minor additional functionality.
This was SVN commit r1218.
2004-10-06 18:45:59 +00:00

50 lines
1.1 KiB
C++
Executable File

/************************************************************
*
* File Name: Quaternion.H
*
* Description:
*
************************************************************/
#ifndef QUATERNION_H
#define QUATERNION_H
#include "Matrix3D.h"
class CQuaternion
{
public:
CVector3D m_V;
float m_W;
public:
CQuaternion();
//quaternion addition
CQuaternion operator + (CQuaternion &quat);
//quaternion addition/assignment
CQuaternion &operator += (CQuaternion &quat);
//quaternion multiplication
CQuaternion operator * (CQuaternion &quat);
//quaternion multiplication/assignment
CQuaternion &operator *= (CQuaternion &quat);
void FromEularAngles (float x, float y, float z);
//convert the quaternion to matrix
CMatrix3D ToMatrix() const;
void ToMatrix(CMatrix3D& result) const;
//sphere interpolation
void Slerp(const CQuaternion& from,const CQuaternion& to, float ratio);
// create a quaternion from axis/angle representation of a rotation
void FromAxisAngle(const CVector3D& axis,float angle);
// normalize this quaternion
void Normalize();
};
#endif