PinmikPanik/gamedata/objects/ingame/clouds.py

from gamedata.objects.base import BaseObject

class Clouds(BaseObject):

    def __init__(self,game,minwidth,speed=30,cameraratio=1,spritename="clouds.png"):
        super().__init__(0,0,game)
        self.sprite = game.sprite_lib[spritename]
        self.speed = speed
        self.minwidth = minwidth
        self.cameraratio = cameraratio
        self.depth = -2
        self.horoffset = 0

    def step(self):
        self.horoffset+=self.game.dt*self.speed

    def draw(self):
        offset = (self.horoffset-self.game.globals["camerax"]*self.cameraratio)%self.sprite.get_width()
        nbsprites = round((self.minwidth+offset)//self.sprite.get_width()+2)
        for i in range(nbsprites):
            self.game.window.blit(self.sprite,[(i-1)*self.sprite.get_width()+offset,-self.game.globals["cameray"]*self.cameraratio])