问题描述
我正在 PyGame 中制作一个简单的平台游戏。我创建了一个平台类来从一个图像文件以及一个绘制方法创建平台。我在主游戏类中还有一个方法,用于指定级别并指定要绘制的图像。
这是平台类
import pygame
from pygame.sprite import Sprite
class Platform(Sprite):
def __init__(self,xloc,yloc,imgw,imgh,img):
self.screen = pt_game.screen
self.image=pygame.image.load('images',img).convert()
self.image.convert_alpha()
self.image.set_colorkey(ALPHA)
self.rect = self.image.get_rect()
self.rect.y = yloc
self.rect.x = xloc
def draw(self):
pygame.draw.rect(self.screen,self.rect)
import sys
import pygame
from settings import Settings
from char import Char
from platform import Platform
class Main:
"""overall class to manage game assets and behavior"""
def __init__(self):
"""initialise game and create new game resources"""
pygame.init()
self.settings = Settings()
self.screen = pygame.display.set_mode((self.settings.screen_width,self.settings.screen_height))
pygame.display.set_caption("Platformer")
self.char = Char(self)
def run_game(self):
"""start main game loop"""
while True:
pygame.time.delay(35)
#Watch for keyboard and mouse events
self._check_events()
self.char.update()
self._draw_levels()
self._update_screen()
def _draw_levels(self,Platform):
if self.settings.level == 1:
ground = self.Platform(0,760,1200,40,'images/ground.png')
platform1 = self.Platform(600,800,200,50,'images/Platform.png')
self.platforms = (ground,platform1)
def _update_screen(self):
#reraw the screen for each pass through the loop
self.screen.fill(self.settings.bg_color)
self.char.blitme()
[self.Platform.draw(screen) for platform in self.platforms]
#make most recently drawn screen visible
pygame.display.flip()
我得到的错误是 TypeError: _draw_levels() missing 1 required positional argument: 'Platform'
我想我没有在某个地方正确地调用类,但我不确定在哪里。任何有关为什么会发生此错误的帮助将不胜感激!
注意:这不是完整的代码
解决方法
方法 _draw_levels
的签名是 def _draw_levels(self,Platform):
。但是,您调用 _draw_levels
时没有任何参数 self._draw_levels()
。