python 我再也不能让计数器在棋盘上移动了

qxgroojn 于 2023-01-29 发布在 Python

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我正在创建一个棋盘游戏，我正处于显示棋盘和让计数器在方格中移动的初始阶段。让计数器移动的代码工作正常，但我不得不改变它的位置，因为方格的颜色不断更新，而不是像在"while running"循环中那样保持一种纯色。
现在颜色是固定的，但计数器不会移动。
下面是代码：

import pygame, sys
import random
from pygame.locals import *

pygame.init()
screen = pygame.display.set_mode((800, 800))
pygame.display.set_caption("board")
exit = False

grey = (224,224, 224)
green = (204, 255, 204)
blue = (204, 255, 255)
purple = (204, 204, 255)
black = (0, 0, 0)
white = (255, 255, 255)
rows = 10
cols = 14
colors = [grey, green, blue, purple]

def display_board(screen_width, screen_height, square_size, margin):
    counter_pos = [-0.35, -0.52]
    direction = 'right'
    for row in range(rows):
            for col in range(cols):
                if (row == 0 or row == rows-1 or col == cols or col == cols-1):
                    color = random.choice(colors)
                    pygame.draw.rect(screen, color, (col * square_size + margin + 2 * col, row * square_size + margin + 2 * row, square_size, quare_size))
                elif (row == 0 and col > 0 and col < cols - 1) or (row == rows - 1 and col > 0 and col < cols - 1) or (col == 0 and row > 0 nd row < rows - 1) or (col == cols - 1 and row > 0 and row < rows - 1):
                    color = random.choice(colors)
                    pygame.draw.rect(screen, color, (col * square_size + margin + 2 * col, row * square_size + margin + 2 * row, square_size, quare_size))
                  
    # Draw the counter
    pygame.draw.rect(screen, (255, 255, 255), (counter_pos[1] * square_size + margin + 2 * col, counter_pos[0] * square_size + margin + 2 * ow, square_size, square_size))
    pygame.display.update()

    # Main loop
    running = True
    while running:
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                running = False
            elif event.type == pygame.MOUSEBUTTONDOWN:
                if direction == 'right':
                    counter_pos[1] += 1
                    if counter_pos[1] >= cols - 1:
                        direction = 'down'
                elif direction == 'down':
                    counter_pos[0] += 1
                    if counter_pos[0] >= rows - 1:
                        direction = 'left'
                elif direction == 'left':
                    counter_pos[1] -= 1
                    if counter_pos[1] <= 0:
                        direction = 'up'
                elif direction == 'up':
                    counter_pos[0] -= 1
                    if counter_pos[0] <= 0:
                       direction = 'right'

display_board(800, 600, 50, 20)

python

来源：https://stackoverflow.com/questions/75269236/cant-get-counter-to-move-across-a-board-anymore

1条答案

按热度按时间

o3imoua41#

你必须在每一帧中重绘场景。你必须在应用程序循环中进行绘制。典型的PyGame应用程序循环必须：

使用pygame.time.Clock.tick限制每秒帧数以限制CPU使用
通过调用pygame.event.pump()或pygame.event.get()处理事件。
- 根据输入事件和时间（分别为帧）更新游戏状态和对象的位置
清除整个显示或绘制背景
绘制整个场景（blit所有对象）
通过调用pygame.display.update()或pygame.display.flip()更新显示

import pygame, sys
import random
from pygame.locals import *

pygame.init()
screen = pygame.display.set_mode((800, 800))
pygame.display.set_caption("board")
exit = False

grey = (224,224, 224)
green = (204, 255, 204)
blue = (204, 255, 255)
purple = (204, 204, 255)
black = (0, 0, 0)
white = (255, 255, 255)
rows = 10
cols = 14
colors = [grey, green, blue, purple]

def display_board(screen_width, screen_height, square_size, margin):
    counter_pos = [0, 0]
    direction = 'right'

    fields = []
    for row in range(rows):
        rect = pygame.Rect(margin, margin + row * (square_size + 2), square_size, square_size)
        fields.append((random.choice(colors), rect))
        rect = pygame.Rect(margin + (cols-1) * (square_size + 2), margin + row * (square_size + 2), square_size, square_size)
        fields.append(( random.choice(colors), rect))
    for col in range(1, cols-1):
        rect = pygame.Rect(margin + col * (square_size + 2), margin, square_size, square_size)
        fields.append((random.choice(colors), rect))
        rect = pygame.Rect(margin + col * (square_size + 2), margin + (rows-1) * (square_size + 2), square_size, square_size)
        fields.append(( random.choice(colors), rect))

    running = True
    while running:
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                running = False
            elif event.type == pygame.MOUSEBUTTONDOWN:
                if direction == 'right':
                    counter_pos[0] += 1
                    if counter_pos[0] >= cols - 1:
                        direction = 'down'
                elif direction == 'down':
                    counter_pos[1] += 1
                    if counter_pos[1] >= rows - 1:
                        direction = 'left'
                elif direction == 'left':
                    counter_pos[0] -= 1
                    if counter_pos[0] <= 0:
                        direction = 'up'
                elif direction == 'up':
                    counter_pos[1] -= 1
                    if counter_pos[1] <= 0:
                        direction = 'right'

        screen.fill(0)
        for color, rect in fields:
            pygame.draw.rect(screen, color, rect)
        pygame.draw.rect(screen, (255, 255, 255), (margin + counter_pos[0] * (2 + square_size), margin + counter_pos[1] * (square_size + 2), square_size, square_size))
        pygame.display.update()

display_board(800, 600, 50, 20)

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python 我再也不能让计数器在棋盘上移动了

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