python - 使用 Pygame 在 Python 游戏中随机显示图像

Question

我正在制作一个迷宫游戏，主要 Actor 必须通过在墙壁之间移动来找到一条路径以进入导出。

我做了一部分项目，只是我不能在迷宫中随机显示物体(注入(inject)器、针头和塑料管)(它们必须在每次开始时改变位置)，然后拿起并显示一个计数器，它将列出收集的项目。

我必须修改我的 GENERATE 函数，在遍历我的文本文件的循环中，我必须检索空白空间 (sprite == 0)，将它们放入列表中，然后使用我想象的随机数来检索 3 个随机数每个对象的位置。例如，对于存储在列表中的注入(inject)器对象的三个随机位置，我必须将 (sprite == 0) 替换为 (sprite == s), s = syringe.所以最后我会在 show 函数中使用三个 s 位置来进行显示。

    def generer(self):
    """Method for generating the start based on the file.
    we create a general list, containing one list per line to display"""
    # We open the file
    with open(self.file, "r") as file:
        structure_level = []
        # We browse the lines of the file
        for line in file:
            line_level = []
            # We browse the sprites (letters) contained in the file
            for sprite in line:
                # We ignore the end of line "\ n"
                if sprite != '\n':
                    # We add the sprite to the list of the line
                    line_level.append(sprite)
            # Add the line to the level list
            structure_level.append(line_level)
        # We save this structure
        self.structure = structure_level

    def show(self, window):
    """Méthode permettant d'afficher le niveau en fonction
    de la liste de structure renvoyée par generer()"""
    # Chargement des images (seule celle d'arrivée contient de la transparence)
    wall = pygame.image.load(wall_image).convert()
    departure = pygame.image.load(departure_image).convert_alpha()
    arrived = pygame.image.load(Gardien_image).convert_alpha()
    syringe = pygame.image.load(syringe_image).convert_alpha()

    # We go through the list of the level
    number_line = 0
    for line in self.structure:
        # On parcourt les listes de lignes
        num_case = 0
        for sprite in line:
            # We calculate the real position in pixels
            x = num_case * sprite_size
            y = number_line * sprite_size
            if sprite == 'w':  # w = Wall
                window.blit(wall, (x, y))
            elif sprite == 'd':  # d = Départure
                window.blit(departure, (x, y))
            elif sprite == 'a':  # a = Arrived
                window.blit(arrived, (x, y))
            elif sprite == 's':  # s = syringe
                window.blit(syringe, (x, y))

            num_case += 1
        number_line += 1

之后我必须找到一种方法来比较对象(例如注入(inject)器)的位置(x 和 y)与主角的当前位置，如果两者相等，那么我可以说角色正是当场。 '对象。

这里是mn问题，希望我解释的很好。

谢谢

Answer 1

对于随机放置 (3) 个注入(inject)器，请尝试以下逻辑:

• 数一数迷宫中的所有空间
• 将空格数除以 3
• 每隔三分之一，将注入(inject)器放在随机位置

这应该使注入(inject)器位置保持随机，但分布均匀。

这是更新后的代码。它未经测试，因此您可能需要对其进行一些调整。

def generer(self):
"""Method for generating the start based on the file.
we create a general list, containing one list per line to display"""
import random
zerocnt = 0 # counter for empty spaces
# We open the file
with open(self.file, "r") as file:
    structure_level = []
    # We browse the lines of the file
    for line in file:
        line_level = []
        # We browse the sprites (letters) contained in the file
        for sprite in line:
            # We ignore the end of line "\ n"
            if sprite != '\n':
                # We add the sprite to the list of the line
                line_level.append(sprite)
                if sprite == 0: zerocnt += 1 # another space
        # Add the line to the level list
        structure_level.append(line_level)

    # 3 syringes, distribute evenly
    div3 = zerocnt//3  # divide empty spaces by 3
    # generate 3 positions, 1 syringe per third of maze
    poslst = [random.randint(i*div3, (i+1)*div3-1) for i in [0,1,2]]
    ctr=0
    # scan empty spaces, update 3 spots
    for lvl in structure_level:
       for i in range(len(lvl)):
           if ctr in poslst:
               lvl[i]='s' # put syringe here
               ctr += 1
    
    # We save this structure
    self.structure = structure_level

帖子的另一部分，检查玩家是否找到了注入(inject)器，我不知道你是如何移动玩家的，所以我只能猜测。假设玩家有一个 (x,y) 坐标，您可以检查该位置是否在数组中有一个 's'。

尝试这样的事情:

Player.X = 5
Player.Y = 5
if self.structure[Player.X][Player.Y] == 's':
    print("Found syringe")
    Player.Syringes += 1
    self.structure[Player.X][Player.Y] = 0  # remove syringe from maze (or set to player)