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