curses_reporter.py 文件源码

def depict_fps(self):
        w = self.fpsWindow
        now = time.time()
        elapsed = now - self.fpsSince
        fps = self.fpsTicks / elapsed
        if self.fpsGoal is not None:
            seconds_of_work_per_frame = (elapsed / self.fpsTicks) - self.fpsDelay
            desired_time_working_per_second = self.fpsGoal * seconds_of_work_per_frame
            if desired_time_working_per_second < 1.0:
                self.fpsDelay = (1.0 - desired_time_working_per_second) / fps
            else:
                self.fpsDelay = 0
        w.addstr(1, 1, 'FPS:%3d' % fps, curses.A_NORMAL)
        w.refresh()
        self.fpsSince = now
        self.fpsTicks = 0
        self.fpsMeasured = fps