class SinglePlayerEngine:
def __init__(self, surface):
self.surface = surface
self.display = Display(self.surface)
self.clock = pg.time.Clock()
self.car_img_width = 66
self.car_img_height = 142
self.player = PlayerBuilder().get_player()
def game_loop(self):
NUM_OBSTACLES = 4
obstacle_manager = ObstacleManager()
obstacle_manager.generate_random_obstacles(NUM_OBSTACLES)
level = 1
target_score = 10
while self.player.lives > 0:
self.display.clear()
self.display.draw_level(level)
is_next_level = self.round_start(target_score, obstacle_manager)
if is_next_level:
level += 1
self.player.level_up()
obstacle_manager.level_up()
else:
self.player.lives -= 1
self.display.draw_crash()
self.display.draw_game_over()
def round_start(self, target_score, obstacle_manager):
'''Returns True if target_score has been reach or False if collision happened'''
self.player.reset()
obstacle_manager.reset_all()
is_collision = False
round_score = 0
while not is_collision and round_score < target_score:
for event in pg.event.get():
if event.type == pg.QUIT:
pg.quit()
quit()
pressed_keys = pg.key.get_pressed()
self.player.update_key(pressed_keys)
self.display.clear()
self.player.update()
# update coordinates and draw obstacles
round_score += obstacle_manager.update(self.surface)
obstacle_manager.draw_all(self.surface)
self.player.draw(self.surface)
self.display.draw_score(round_score)
self.display.draw_lives(self.player.lives)
self.display.update()
is_collision = is_collision_with_any_obstacle(self.player.car, obstacle_manager.obstacle_list)
# pg.display.update(xxx) - updates a specific object
# pg.display.update() - updates entire surface
# pg.display.flip() - updates entire surface
self.clock.tick(settings.FPS)
if is_collision:
return False
else:
return True
