В примере создается класс снежинки который добавляется в список. Проблема возникла с удалением каждой(i-той) упавшей снежинки
import simple_draw as sd import random sd.resolution = (1400, 900) N = 20 class SnowFlake: def __init__(self): self.x = random.choice([x_value for x_value in range(100, 1100, 50)]) self.y = random.choice([y_value for y_value in range(800, 1900, 55)]) self.size_ray = random.choice([size_value for size_value in range(10, 50, 2)]) self.color = sd.COLOR_WHITE def draw(self, color): point = sd.get_point(self.x, self.y) sd.snowflake(center=point, length=self.size_ray, color=color) def move(self): self.y -= 25 delta = random.randint(-5, 5) self.x += delta def can_fall(self): if self.y <= self.size_ray: return True flake = SnowFlake() def get_flakes(): snowflakes = [] for i in range(0, N): snowflakes.append(SnowFlake()) return snowflakes flakes = get_flakes() def get_fallen_flakes(snowflakes): # num_fallen = [] for num in range(0, len(flakes)): if flake.can_fall(): snowflakes.append(num) return snowflakes def append_flakes(fallen_flakes): # new_snowflakes = [] for i in range(0, len(fallen_flakes)): if flake.can_fall(): flakes.append(SnowFlake()) def remove_flakes(fallen_flakes, snowflakes): for i in range(len(fallen_flakes) - 1, -1, -1): if i in fallen_flakes: del snowflakes[i] while True: sd.start_drawing() for flake in flakes: flake.draw(sd.background_color) if not flake.can_fall(): flake.move() flake.draw(sd.COLOR_WHITE) fallen_flakes = get_fallen_flakes(snowflakes=[]) if fallen_flakes: append_flakes(fallen_flakes) flake.draw(sd.background_color) remove_flakes(fallen_flakes, snowflakes=flakes) sd.finish_drawing() sd.sleep(0.1) if sd.user_want_exit(): break sd.pause() 