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103 lines
3.4 KiB
C++
103 lines
3.4 KiB
C++
/*****************************************************************************
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** **
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** Neversoft Entertainment **
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** **
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** Copyright (C) 1999 - All Rights Reserved **
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** **
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******************************************************************************
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** **
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** Project: Core Library **
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** **
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** Module: Math (MTH) **
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** **
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** File name: core/math/slerp.h **
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** **
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** Created: 12/20/01 - gj **
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** **
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** Description: Slerp Interpolator Math Class **
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** **
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*****************************************************************************/
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#ifndef __CORE_MATH_SLERP_H
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#define __CORE_MATH_SLERP_H
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/*****************************************************************************
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** Includes **
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*****************************************************************************/
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#ifndef __CORE_DEFINES_H
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#include <core/defines.h>
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#endif
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#include <core/math/vector.h>
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#include <core/math/matrix.h>
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/*****************************************************************************
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** Defines **
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*****************************************************************************/
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namespace Mth
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{
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/*****************************************************************************
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** Class Definitions **
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*****************************************************************************/
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/****************************************************************************
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*
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* Class: Slerp Interpolator
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*
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* Description: Slerp Interpolator math class
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*
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****************************************************************************/
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class SlerpInterpolator
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{
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public:
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SlerpInterpolator();
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SlerpInterpolator( const Matrix* pStart, const Matrix* pEnd );
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public:
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void setMatrices( const Matrix* pStart, const Matrix* pEnd );
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void getMatrix( Matrix* result, float delta );
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void invertDirection ( );
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float getRadians ( ) { return m_radians; }
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const Mth::Vector& getAxis ( ) { return m_axis; }
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protected:
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Matrix m_start;
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Matrix m_end;
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Vector m_axis;
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float m_radians;
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bool m_useLerp; // do linear-interpolation, rather than slerping
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};
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/*****************************************************************************
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** Private Declarations **
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*****************************************************************************/
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/*****************************************************************************
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** Private Prototypes **
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*****************************************************************************/
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/*****************************************************************************
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** Public Declarations **
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*****************************************************************************/
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/*****************************************************************************
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** Public Prototypes **
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*****************************************************************************/
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/*****************************************************************************
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** Inline Functions **
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*****************************************************************************/
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} // namespace Mth
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#endif // __CORE_MATH_SLERP_H
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