Не зависит от фпс!1

#include "stdafx.h"
#include "windows.h"
#include "math.h"
#pragma comment(lib, "winmm.lib")
#define clamp(x, a, b) (max(min(x, b), a))

LARGE_INTEGER __qpcFreq;

void initTimer()
{
    QueryPerformanceFrequency(&__qpcFreq);
    timeBeginPeriod(1);
}

void doneTimer()
{
    timeEndPeriod(1);
}

double getTime()
{
    LARGE_INTEGER counter;
    QueryPerformanceCounter(&counter);
    return (double) counter.QuadPart / (double) __qpcFreq.QuadPart;
}

class World
{
public:
    void Update(double dt)
    {
        // двигаешь всё с dt
    }
    void Draw()
    {
        // ...
    }
};

const double MIN_DT = 0.001;
const double MAX_DT = 0.1;
const double REQUIRED_FPS = 100;
const double REQUIRED_DT = 1.0 / REQUIRED_FPS;

int _tmain(int argc, _TCHAR* argv[])
{
    initTimer();
    World world = World();
    double prevTime = getTime();

    for(;;)
    {
        double curTime = getTime();
        double dt = clamp(curTime - prevTime, MIN_DT, MAX_DT);
        prevTime = curTime;

        world.Update(dt);
        world.Draw();

        double timePassed = clamp(getTime() - curTime, 0.0, 0.5);
        if (timePassed < REQUIRED_DT) Sleep((int)(1000.0 * (REQUIRED_DT - timePassed) + 0.5));
    }

    doneTimer();
    return 0;
}