python - 当我尝试移动它时玩家回到初始位置 Pygame
问题描述
当我移动播放器时,他移动了 10 个像素,同时我按住右箭头并在我释放键时返回初始位置。顺便说一句,你不需要告诉我当我按右时他会向左移动,我知道:)
这是代码:
import pygame
pygame.init()
WIDTH = 1000
HEIGHT = 1000
screen = pygame.display.set_mode([WIDTH,HEIGHT])
clock = pygame.time.Clock()
WHITE = (255,255,255)
def ecranAlb():
screen.fill(WHITE)
def player():
playerImg = pygame.image.load('jucator.png')
WIDTHplayer = 150
HEIGHTplayer = 130
playerImg = pygame.transform.scale(playerImg,(WIDTHplayer,HEIGHTplayer))
Xplayer = 500
Yplayer = 500
vel = 10
keys = pygame.key.get_pressed()
if keys[pygame.K_RIGHT]:
Xplayer -= vel
screen.blit(playerImg,(Xplayer,Yplayer))
running = True
while running:
for event in pygame.event.get():
if event.type == pygame.QUIT:
running = False
ecranAlb()
player()
pygame.display.flip()
pygame.quit()
解决方案
播放器的位置在函数内的应用程序循环中不断设置player
:
def player(): # [...] Xplayer = 500 Yplayer = 500
您必须在函数外的应用程序循环之前初始化播放器位置。使用该global
语句更改函数内全局命名空间中的变量:
playerImg = pygame.image.load('jucator.png')
WIDTHplayer = 150
HEIGHTplayer = 130
playerImg = pygame.transform.scale(playerImg,(WIDTHplayer,HEIGHTplayer))
Xplayer = 500
Yplayer = 500
vel = 10
def player():
global Xplayer, Yplayer
keys = pygame.key.get_pressed()
if keys[pygame.K_RIGHT]:
Xplayer -= vel
screen.blit(playerImg,(Xplayer,Yplayer))
推荐阅读
- c++ - For循环在C ++中以字符串长度无限运行
- android - 观察一个 MutableLiveData 列表
- android - 将二进制字符串转换为字节数组时面临的问题
- python-3.x - 导入 Google Cloud Speech-to-Text 识别的问题
- vtiger - VTIGER CRM (PHP) 用字符编码 Vtiger_Util_Helper::toSafeHTML(ZEND_JSON::encode)
- c - 'note: expand from macro 'bool' #define bool _Bool' 是什么意思?
- dynamics-crm - 如何使用 Dynamics 365 开发者工具包
- java - 没有得到输出没有错误我做错了什么
- python - AttributeError:类型对象“图像”没有属性“打开”
- ios - 使用 Codable 解析嵌套 JSON 数据问题