똑같이 했는데 왜안되죠?

다 작성하고 실행 해봤더니 공이 끝가지 올라가길래 질문 남깁니다. 왜이러는 거죠?1시간 동안 동영상이랑 계속 돌려서 찾아도 안보이네요 왜이러죠??
import os

import pygame

#########################################################

# 기본 초기화 (반드시 해야 하는 것들)

pygame.init() # 초기화 (반드시 필요)

# 화면 크기 설정

screen_width = 640

screen_height = 480

screen = pygame.display.set_mode((screen_width, screen_height))

# 화면 타이틀 설정

pygame.display.set_caption("공 쪼개기 게임")

# FPS

clock = pygame.time.Clock()

#########################################################

# 1. 사용자 게임 초기화 (배경 화면, 게임 이미지, 좌표, 속도, 폰트 등)

# 배경 만들기

background = pygame.image.load("C:\\Users\\c\\Desktop\\서지율\\pythonworkspace\\파이썬.활용편\\pygame_project\\images\\background.png")

# 스테이지 만들기

stage = pygame.image.load("C:\\Users\\c\\Desktop\\서지율\\pythonworkspace\\파이썬.활용편\\pygame_project\\images\\stage.png")

stage_size = stage.get_rect().size

stage_height = stage_size[1] # 스테이지의 높이 위에 캐릭터를 두기 위해 사용

# 캐릭터 만들기

character = pygame.image.load("C:\\Users\\c\\Desktop\\서지율\\pythonworkspace\\파이썬.활용편\\pygame_project\\images\\character.png")

character_size = character.get_rect().size

character_width = character_size[0]

character_height = character_size[1]

character_x_pos = (screen_width / 2) - (character_width / 2)

character_y_pos = screen_height - character_height - stage_height

character_to_x = 0

character_speed = 5

# 무기 만들기

weapon = pygame.image.load("C:\\Users\\c\\Desktop\\서지율\\pythonworkspace\\파이썬.활용편\\pygame_project\\images\\weapon.png")

weapon_size = weapon.get_rect().size

weapon_width = weapon_size[0]

weapon_speed = 10

# 무기는 한 번에 여러 발 발사 가능

weapons = []

# 공 만들기 (4개 크기에 대해 따로 처리)

ball_images = [
    
    pygame.image.load("C:\\Users\\c\\Desktop\\서지율\\pythonworkspace\\파이썬.활용편\\pygame_project\\images\\balloon1.png"),

    pygame.image.load("C:\\Users\\c\\Desktop\\서지율\\pythonworkspace\\파이썬.활용편\\pygame_project\\images\\balloon2.png"),

    pygame.image.load("C:\\Users\\c\\Desktop\\서지율\\pythonworkspace\\파이썬.활용편\\pygame_project\\images\\balloon4.png"),

    pygame.image.load("C:\\Users\\c\\Desktop\\서지율\\pythonworkspace\\파이썬.활용편\\pygame_project\\images\\balloon4.png")]

# 공 속도

ball_speed_y = [-18, -15, -12, -9]

# 공들

balls = []

balls.append({

    "pos_x" : 50, # 공의 x 좌표

    "pos_y" : 50, # 공의 y 좌표

    "img_idx" : 0, # 공의 이미지 인덱스

    "to_x" : 3, # x축 이동 방향

    "to_y" : -6, # y축 이동 방향

    "init_spd_y" : ball_speed_y[0]}) # y 최초 속도

running = True

while running:

    dt = clock.tick(30)

    # 2. 이벤트 처리 (키보드, 마우스 등)

    for event in pygame.event.get():

        if event.type == pygame.QUIT:

            running = False

        if event.type == pygame.KEYDOWN:

            if event.key == pygame.K_LEFT:

                character_to_x -= character_speed

            elif event.key == pygame.K_RIGHT:

                character_to_x += character_speed

            elif event.key == pygame.K_SPACE:

                weapon_x_pos = character_x_pos + (character_width / 2) - (weapon_width / 2)

                weapon_y_pos = character_y_pos

                weapons.append([weapon_x_pos, weapon_y_pos])

        if event.type == pygame.KEYUP:

            if event.key == pygame.K_LEFT or event.key == pygame.K_RIGHT:

                character_to_x = 0

    # 3. 게임 캐릭터 위치 정위

    character_x_pos += character_to_x

    if character_x_pos < 0:

        character_x_pos = 0

    elif character_x_pos > screen_width - character_width:

        character_x_pos = screen_width - character_width

    # 무기 위치 조정

    weapons = [ [w[0], w[1] - weapon_speed] for w in weapons] # 무기 위치를 위로

    # 천장에 닿은 무기 없애기

    weapons = [ [w[0], w[1]] for w in weapons if w[1] > 0]

    for ball_idx, ball_val in enumerate(balls):

        ball_pos_x = ball_val["pos_x"]

        ball_pos_y = ball_val["pos_y"]

        ball_img_idx = ball_val["img_idx"]

        ball_size = ball_images[ball_img_idx].get_rect().size

        ball_width = ball_size[0]

        ball_height = ball_size[1]

        # 가로벽에 닿았을 떄 공 이동 위치 번경 (튕겨 나오는 효과)

        if ball_pos_x < 0 or ball_pos_x > screen_width - ball_width:

            ball_val["to_x"] = ball_val["to_x"] * -1

            # 세로 위치

            # 스테이지에 튕겨서 올라가는 처리

            if ball_pos_y >= screen_height - stage_height - ball_height:

                ball_val["to_y"] = ball_val["init_spd_y"]

            else:

                ball_val["to_y"] += 0.5

        ball_val["pos_x"] += ball_val["to_x"]

        ball_val["pos_y"] += ball_val["to_y"]

    # 4. 충돌 처리

    # 5. 화면에 그리기

    screen.blit(background, (0, 0))

    for weapon_x_pos, weapon_y_pos in weapons:

        screen.blit(weapon, (weapon_x_pos, weapon_y_pos))

    for idx, val in enumerate(balls):

        ball_pos_x = val["pos_x"]

        ball_pos_y = val["pos_y"]

        ball_img_idx = val["img_idx"]

        screen.blit(ball_images[ball_img_idx], (ball_pos_x, ball_pos_y))

    screen.blit(stage, (0, screen_height - stage_height))

    screen.blit(character, (character_x_pos, character_y_pos))

    pygame.display.update()

pygame.quit()
인프런 커뮤니티 질문&답변
