from gamedata.objects.base import BaseObject import math class Skies(BaseObject): def __init__(self,game,basesky="skies/base.png",nightsky="skies/night.png",daysky="skies/day.png"): super().__init__(0,0,game,game.DISPLAY_WIDTH,game.DISPLAY_HEIGHT) size = [game.DISPLAY_WIDTH,game.DISPLAY_HEIGHT] self.basesky = game.pygame.transform.scale(game.sprite_lib[basesky],size) self.nightsky = game.pygame.transform.scale(game.sprite_lib[nightsky],size) self.daysky = game.pygame.transform.scale(game.sprite_lib[daysky],size) self.blackrect = game.pygame.Surface(size) self.blackrect.fill([0]*3) self.speed = 0.02 self.timeelapsed = 0 self.depth = -2 self.blackrectalpha = 0.5 def step(self): self.timeelapsed+=self.game.dt self.cosvalue = math.cos(self.timeelapsed*self.speed) def draw(self): self.game.window.blit(self.basesky,[0,0]) if self.cosvalue<0: self.nightsky.set_alpha(-self.cosvalue*255) self.game.window.blit(self.nightsky,[0,0]) else: self.daysky.set_alpha(self.cosvalue*255) self.game.window.blit(self.daysky,[0,0]) def afterdraw(self): if self.cosvalue<0: self.blackrect.set_alpha(-self.cosvalue*255*self.blackrectalpha) self.game.realwindow.blit(self.blackrect,[0,0])