fpscounter.java

一个java的免费游戏引擎,里面有文档,和例子

// Decompiled by Jad v1.5.7g. Copyright 2000 Pavel Kouznetsov.
// Jad home page: http://www.geocities.com/SiliconValley/Bridge/8617/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi 

package com.golden.gamedev.engine.timer;


public class FPSCounter
{

    private long a;
    private int b;
    private int c;

    public FPSCounter()
    {
    }

    public void refresh()
    {
        c = 0;
        a = System.currentTimeMillis();
    }

    public void calculateFPS()
    {
        c++;
        if(System.currentTimeMillis() - a > 1000L)
        {
            a = System.currentTimeMillis();
            b = c;
            c = 0;
        }
    }

    public int getCurrentFPS()
    {
        return b;
    }
}