def update():
FPS._current_frames += 1
FPS._previous_time = FPS._current_time
FPS._current_time = time.time()
FPS._delta_time = FPS._current_time - FPS._previous_time
FPS._last_update += FPS._delta_time
if FPS._last_update >= 1:
FPS._current_fps = FPS._current_frames
FPS._current_frames = 0
FPS._last_update = 0
FPS._surface = FPS._font.render("FPS: " + str(FPS._current_fps), 1, System.Color.WHITE)
FPS._outline_surface = \
FPS._font.render("FPS: " + str(FPS._current_fps), 1, System.Color.BLACK)
FPS._surface_rect = FPS._surface.get_rect()
FPS._surface_rect.move_ip(Graphics.get_resolution()[0] / 2, 15)
FPS._outline_surface_rect = FPS._surface.get_rect()
# Draws an outline for the FPS
Graphics.draw(FPS._outline_surface,
pygame.Rect(FPS._surface_rect.x + 1, FPS._surface_rect.y,
FPS._surface_rect.width, FPS._surface_rect.height))
Graphics.draw(FPS._outline_surface,
pygame.Rect(FPS._surface_rect.x - 1, FPS._surface_rect.y,
FPS._surface_rect.width, FPS._surface_rect.height))
Graphics.draw(FPS._outline_surface,
pygame.Rect(FPS._surface_rect.x, FPS._surface_rect.y + 1,
FPS._surface_rect.width, FPS._surface_rect.height))
Graphics.draw(FPS._outline_surface,
pygame.Rect(FPS._surface_rect.x, FPS._surface_rect.y - 1,
FPS._surface_rect.width, FPS._surface_rect.height))
Graphics.draw(FPS._outline_surface,
pygame.Rect(FPS._surface_rect.x + 1, FPS._surface_rect.y + 1,
FPS._surface_rect.width, FPS._surface_rect.height))
Graphics.draw(FPS._outline_surface,
pygame.Rect(FPS._surface_rect.x - 1, FPS._surface_rect.y - 1,
FPS._surface_rect.width, FPS._surface_rect.height))
Graphics.draw(FPS._outline_surface,
pygame.Rect(FPS._surface_rect.x - 1, FPS._surface_rect.y + 1,
FPS._surface_rect.width, FPS._surface_rect.height))
Graphics.draw(FPS._outline_surface,
pygame.Rect(FPS._surface_rect.x + 1, FPS._surface_rect.y - 1,
FPS._surface_rect.width, FPS._surface_rect.height))
# End of Outline
Graphics.draw(FPS._surface, FPS._surface_rect)
FPS._clock.tick(System.Display.TARGET_FPS)
