halflife-photomode/cl_dll/interpolation.h

47 lines
1.3 KiB
C++

/************ (C) Copyright 2003 Valve, L.L.C. All rights reserved. ***********
**
** The copyright to the contents herein is the property of Valve, L.L.C.
** The contents may be used and/or copied only with the written permission of
** Valve, L.L.C., or in accordance with the terms and conditions stipulated in
** the agreement/contract under which the contents have been supplied.
**
*******************************************************************************
**
** Contents:
**
** interpolation.h: Bezier inpolation classes
**
******************************************************************************/
#pragma once
// interpolation class
class CInterpolation
{
public:
CInterpolation();
virtual ~CInterpolation();
void SetWaypoints(Vector* prev, Vector start, Vector end, Vector* next);
void SetViewAngles(Vector start, Vector end);
void SetFOVs(float start, float end);
void SetSmoothing(bool start, bool end);
// get interpolated point 0 =< t =< 1, 0 = start, 1 = end
void Interpolate(float t, Vector& point, Vector& angle, float* fov);
protected:
void BezierInterpolatePoint(float t, Vector& point);
void InterpolateAngle(float t, Vector& angle);
Vector m_StartPoint;
Vector m_EndPoint;
Vector m_StartAngle;
Vector m_EndAngle;
Vector m_Center;
float m_StartFov;
float m_EndFov;
bool m_SmoothStart;
bool m_SmoothEnd;
};