oldTime = -1;  startTime = Sys.getTime();   for (int i = tpf.length; --i >= 0;) tpf[i] = -1;
reset();
    public LWJGLTimer() {    	// init to -1 to indicate this is a new timer.        oldTime = -1;        //reset time        startTime = Sys.getTime();        // set tpf... -1 values will not be used for calculating the average in update()        for (int i = tpf.length; --i >= 0;)            tpf[i] = -1;        //print timer resolution info        LoggingSystem.getLogger().log(Level.INFO,                "Timer resolution: " + timerRez + " ticks per second");    }