def my_text_scroll (time, font):
     renpy.image ('credits', Text('[__credits!t]', font=font)
     renpy.show('credits', at_list=[__scroll(time)])

transform __scroll(time):
    subpixel True
    xanchor 0.0
    xpos 1.0
    linear time xanchor 1.0 xpos 0.0

label main_menu:
    return
label start:
    $__creditslt = 'Билл Гейтс, Тим Кук, Илон Муск'
    $time = 10
    scene expression '#777'
    show expression Text(__creditslt) at __scroll(time)
    'foo'
    'bar'
    return

python:
        renpy.scene()

        amap=im.ramp(0, 255) # default ramp for alpha channel
        __r, __g, __b = [0]*256, [0]*256, [0]*256 # all other channels are set to 0

        # test palette with a single image
        PAL = {
             '____test': [(0,0,0),(137,103,69),(186,152,103),(239,220,152),(254,254,254)]
        }
        
        img_name = '____test'
        file_name = img_name + '.png'

        # setting up the initial palette
        __pal = PAL[img_name]
        for pixel in __pal:
            r, g, b = pixel
            __r[r],__g[g],__b [b]= r, g, b

        __img = im.Map(file_name, rmap=''.join(map(chr, __r)), gmap=''.join(map(chr, __g)), bmap=''.join(map(chr, __b)), amap=amap, force_alpha=False)
        renpy.show('_', at_list=[], layer='master', what=__img, zorder=1, tag='bg1', behind=[])
        renpy.with_statement(None)

        # now fading to blue channel all colors except black and white (night simulation)
        r, g, b = __pal[1]
        __r,__g[g],__b = 1, 1, b
        r, g, b = __pal[2]
        __r,__g[g],__b = 2, 2, b
        r, g, b = __pal[3]
        __r,__g[g],__b = 3, 3, b

        __img = im.Map(file_name, rmap=''.join(map(chr, __r)), gmap=''.join(map(chr, __g)), bmap=''.join(map(chr, __b)), amap=amap, force_alpha=False)
        renpy.show('_', at_list=[], layer='master', what=__img, zorder=2, tag='bg2', behind=[])
        renpy.with_statement(Dissolve(1.0))[/b][/r]

anim.TransitionAnimation()

image bg primer:
    'primer'
    pause(0.5)
    #А здесь нужна команда, вызывающая нужный мне звук.
     'primer'
    pause(0.5)
    #И т.д

init python:
  class BlitWithSound(renpy.Displayable):

        def __init__(self,child,input_sound):
            super(BlitWithSound,self).__init__()
            self.child = child
            self.snd = input_sound
        
        def render(self, width, height, st, at):
            displayable_child = renpy.displayable(self.child)
            child_render = renpy.render(displayable_child, width, height, st, at)
            self.width, self.height = child_render.get_size()
            render = renpy.Render(self.width, self.height)
            renpy.play(self.snd)
            render.blit(child_render, (0, 0))
            return render

image bg primer:
    'primer'
    pause(0.5)
    BlitWithSound('primer','sound.mp3')
    pause(0.5)
    #И т.д

import pygame_sdl2 as pygame
    import threading
    blit_lock = threading.Condition()

        def render(self, width, height, st, at):
            ...
            render.blit(child_render, (0, 0))
            
            c = render.canvas().get_surface()
            try:            
                blit_lock.acquire()
                pygame.draw.rect(d,.....)
            ...
            return render

  try:            
                for i in range(width):
                    for j in range(height):
                        pixel = d.get_at((i, j))