为什么 pygame 显示不正确？

Question

我正在尝试使用 Pygame 在 Python 中制作基于图块的 2d 平台游戏。我刚开始创建 window 和 tile 系统。它引用一个文本文件，并根据在文件中找到的每个数字，将图像 blits 到 Pygame 显示器 window（“2”表示草图像，“1”表示污垢图像）。当程序执行时，方块出现在屏幕上但快速闪烁并缓慢移动到一侧。瓷砖之间也有缝隙，我不确定为什么会有缝隙，但我想摆脱它们。

import pygame, sys
pygame.init()

dirt_img = pygame.image.load("dirt2.png")                  #loads dirt image
dirt_img = pygame.transform.scale(dirt_img, (80,80))       #scales dirt image up to 80*80

grass_img = pygame.image.load("grass2.png")                #loads grass image
grass_img = pygame.transform.scale(grass_img, (80,80))     #scales grass image up to 80*80

clock = pygame.time.Clock()                              

window = pygame.display.set_mode((1200, 800))


#load map
def load_map(path):
    f = open(path + '.txt','r')             #open text file
    data = f.read()                         #reads it
    f.close()                               #closes
    data = data.split('\n')                 #splits the data by the new line character

    game_map = []                           #creates game map data
    for row in data:
        game_map.append(list(row))          #ads each line in'map.txt'..
                                            #..data to new game map list
    return game_map

game_map = load_map('map')

grass_count = 0         #meant to be used to count each time a grass tile is blitted to.. 
                        #..move the position over 80 pixles for the next tile to be blited  
dirt_count = 0          # I think this might be where my problem is but I am not sure.


# Main loop

run = True
while run:
        
    for event in pygame.event.get():
            if event.type == pygame.QUIT:
                    pygame.quit()
                    sys.exit()
                    
    window.fill((135, 178,255))             #sets light Blue background color

    for layer in game_map:
                for tile in layer:                                            
                    if tile == '1':                                         #finds '1' in file,
                        dirt_count += 1                                     #updates dirt count,
                        window.blit(dirt_img, (100 * dirt_count + 80, 500))#blits next dirt tile
                    if tile == '2':                                         #finds '2' in file,
                        grass_count += 1                                   #updates grass count,
                        window.blit(grass_img, (100 * grass_count + 80, 500))#blits next tile
                                
                   
    clock.tick(60)

    pygame.display.update()

pygame.quit()

Answer 1

变量 dirt_count 和 grass_count 递增，但它们永远不会变回 0。在循环之前将变量设置为 0：grass_count = 0 grass_count = 0.无论如何，我认为这不会让您满意，因为图块的坐标似乎并不依赖于它的索引。

图块的位置很可能取决于 row 和 column:

for row, layer in enumerate(game_map):
    for column, tile in enumerate(layer):
        x, y = 80 + column * 100, 80 + row * 100
        if tile == '1':
            window.blit(dirt_img, (x, y))
        if tile == '2':
            window.blit(grass_img, (x, y))

为什么 pygame 显示不正确？

Why is pygame display not bliting properly?

python

pygame

python-3.x

pygame-surface