class BackgroundImage(BackgroundObject):
def __init__(self, speed, *groups):
BackgroundObject.__init__(self, (0, 0), speed, *groups)
self.image = pygame.image.load('gfx/terrain/example_editor.png').convert_alpha()
self.rect = pygame.Rect((0, app.screen_height - self.image.get_height()),
(0, 0))
self.clock = Clock()
def update(self):
delta_y = round(self.clock.frame_span() * self.speed / 1000)
self.rect.move_ip(0, delta_y)
class BackgroundObject(pygame.sprite.Sprite):
def __init__(self, pos, speed, *groups):
pygame.sprite.Sprite.__init__(self, *groups)
self.rect = pygame.Rect(pos, (0, 0))
self.speed = speed
self.clock = Clock()
def update(self):
delta_y = round(self.clock.frame_span() * self.speed / 1000)
self.rect.move_ip(0, delta_y)
if self.rect.top >= app.screen_height:
self.kill()
del self
def left(self): return self.rect.left
def right(self): return self.rect.right
def top(self): return self.rect.top
def bottom(self): return self.rect.bottom