# This file is part of ROBOTGAME # # ROBOTGAME is free software: you can redistribute it and/or modify it under the # terms of the GNU General Public License as published by the Free Software # Foundation, either version 3 of the License, or (at your option) any later # version. # # ROBOTGAME is distributed in the hope that it will be useful, but WITHOUT ANY # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR # A PARTICULAR PURPOSE. See the GNU General Public License for more details. # # You should have received a copy of the GNU General Public License along with # ROBOTGAME. If not, see . # # ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' # # fadeout.py # -------------------- # date created : Thu Aug 9 2012 # copyright : (C) 2012 Niels G. W. Serup # maintained by : Niels G. W. Serup """ Fade out and in. """ import os import pygame class Fadeout(object): def __init__(self, game, function): self.__dict__.update(locals()) self.game.objs.append(self) self.img = pygame.Surface(self.game.window.get_size()) self._start_time = pygame.time.get_ticks() self._middle_time = self._start_time + 500 self._end_time = self._middle_time + 500 self.img.set_alpha(0) self.img.fill((0, 0, 0)) self._has_run = False def update(self, e, t, dt): if t < self._middle_time: self.img.set_alpha(255 * (t - self._start_time) / 500) else: if not self._has_run: self.function() self._has_run = True if t < self._end_time: self.img.set_alpha(255 * (500 - (t - self._middle_time)) / 500) else: self.game.objs.remove(self) self.update = lambda *xs: None def draw(self, window): window.blit(self.img, (0, 0))