Question

我正在学习pygame，到目前为止我已经有了这个。这是一个迷宫（级别尚未完成：P），当你到达红色区块（“E”）时，它会打开一个显示“你赢”的屏幕。我想这样做，当你碰到墙壁时，它会显示一个屏幕，上面写着“你失去了”这是最好的方式吗？谢谢！

import os
import random
import pygame

# Define colors
black    = (   0,   0,   0)
white    = ( 255, 255, 255)
green    = (   0, 255,   0)
red      = ( 255,   0,   0)

#Booleans
hasWon = False

#Classes
class Wall(object):
    def __init__(self, pos):
        walls.append(self)
        self.rect = pygame.Rect(pos[0], pos[1], 16, 16)

class Player(object):
    def __init__(self):
        self.rect = pygame.Rect(32, 32, 16, 16)      

    def move(self, dx, dy):
        if dx != 0:
            self.move_single_axis(dx, 0)
        if dy != 0:
            self.move_single_axis(0, dy)

    def move_single_axis(self, dx, dy):

        # Move the rect
        self.rect.x += dx
        self.rect.y += dy

        for wall in walls:
            if self.rect.colliderect(wall.rect):
                if dx > 0: # Moving right; Hit the left side of the wall
                    self.rect.right = wall.rect.left
                    testing = True
                if dx < 0: # Moving left; Hit the right side of the wall
                    self.rect.left = wall.rect.right
                    testing = True
                if dy > 0: # Moving down; Hit the top side of the wall
                    self.rect.bottom = wall.rect.top
                    testing = True
                if dy < 0: # Moving up; Hit the bottom side of the wall
                    self.rect.top = wall.rect.bottom
                    testing = True

#Initalize
pygame.init()
#Set the width and height of the screen [width,height]
size=[688,352]
screen=pygame.display.set_mode(size)
#Name on top tab
pygame.display.set_caption("My Game")

# Set positions of graphics
background_position = [0, 0]

# Load and set up graphics.
win_screen = pygame.image.load("winscreen.jpg").convert()
lose_screen = pygame.image.load("losescreen.jpg").convert()

#Arrays/Lists
walls = [] # List to hold the walls

#Create Player
player = Player()

#Level
level = [
"WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW",
"WWW                                      WW",
"WW   WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW  W",
"W   WWWW       W                          W",
"W   W        WWWW                         W",
"W WWW  WWWW                               W",
"W   W     W W                             W",
"W   W     W   WWW W                       W",
"W   WWW WWW   W W                         W",
"W     W   W   W W                         W",
"WWW   W   WWWWW W                         W",
"WEW      WW                               W",
"W W   WWWW   WWW                          W",
"W     W    W   W                          W",
"W                                         W",
"W                                         W",
"W                                         W",
"W                                         W",
"W                                         W",
"W                                         W",
"WE    WWWW                                W",
"WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW",
]

# Parse the level string above. W = wall, E = exit
x = y = 0
for row in level:
    for col in row:
        if col == "W":
            Wall((x, y))
        if col == "E":
            end_rect = pygame.Rect(x, y, 16, 16)
        x += 16        
    y += 16
    x = 0    
#DONT CHANGE
done = False
clock=pygame.time.Clock()

#MAIN LOOP
while done == False:
    for event in pygame.event.get(): # User did something
        if event.type == pygame.QUIT: # If user clicked close
            done = True # Quit                     


    # Clear the screen
    screen.fill(white)

    #Changing Speed
    key = pygame.key.get_pressed()
    if hasWon == False:
        if hasLost == False:
            if key[pygame.K_LEFT]:
                player.move(-2, 0)
            if key[pygame.K_RIGHT]:
                player.move(2, 0)
            if key[pygame.K_UP]:
                player.move(0, -2)
            if key[pygame.K_DOWN]:
                player.move(0, 2)    



    #Drawing
    pygame.draw.rect(screen, (255, 200, 0), player.rect)
    pygame.draw.rect(screen, (255, 0, 0), end_rect)
    for wall in walls:
            pygame.draw.rect(screen, black, wall.rect)    

    #Win
    if player.rect.colliderect(end_rect):
        screen.blit(win_screen, background_position)
        hasWon = True

    #FPS Lock
    clock.tick(60)

    #Update screen
    pygame.display.flip()

# Close the window and quit.
pygame.quit()

Answer 1

collidelist函数与您已经使用的colliderect基本相同，只是它需要检查一个矩形列表而不是一个。

你所拥有的不是一个矩形列表，而是一个Wall个对象列表，每个对象都有一个矩形。但这很容易解决：

wall_rects = [wall.rect for wall in walls]

所以，现在你就这样做了：

#Lose
if player.rect.collidelist(wall_rects):
    screen.blit(lose_screen, background_position)
    hasLost = True

当然，您还需要创建一个lose_screen来显示，并在开头设置hasLost = False。

作为旁注，您的代码会继续运行主循环，并允许用户即使在获胜后也可以移动。随着这种变化，即使在他失败之后也是如此。我猜你确实想要在hasWon或hasLost为真的情况下做一些不同的事情，但是由你来决定应该做些什么。

当玩家击中墙壁时显示图像

1 个答案: