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/**
* @file llcriticaldamp.h
* @brief A lightweight class that calculates critical damping constants once
* per frame.
*
* Copyright (c) 2002-$CurrentYear$, Linden Research, Inc.
* $License$
*/
#ifndef LL_LLCRITICALDAMP_H
#define LL_LLCRITICALDAMP_H
#include <map>
#include "llframetimer.h"
class LLCriticalDamp
{
public:
LLCriticalDamp();
// MANIPULATORS
static void updateInterpolants();
// ACCESSORS
static F32 getInterpolant(const F32 time_constant, BOOL use_cache = TRUE);
protected:
static LLFrameTimer sInternalTimer; // frame timer for calculating deltas
static std::map<F32, F32> sInterpolants;
static F32 sTimeDelta;
};
#endif // LL_LLCRITICALDAMP_H
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