Python pygame.error:未设置视频模式

错误：

Loading.py：

import pygame
from settings import *
from Loading import *
from characters import *

pygame.init()

class game():

    def __init__(self):

        self.gameRunning = True
        self.gameWindow = pygame.display.set_mode((gameWindowWidth, gameWindowHeight))
        pygame.display.set_caption(title)
        self.clock = pygame.time.Clock()
        self.playerSpeed = speed

    def update(self):

        self.gameWindow.blit(distantCity, (0,0))
        for layer in gameMap.visible_layers:
            for x, y, gid, in layer:
                tile = gameMap.get_tile_image_by_gid(gid)
                self.gameWindow.blit(tile, (x * gameMap.tilewidth, y * gameMap.tileheight))
        self.gameWindow.blit(ninjaIdle01, (player1.playerX, player1.playerY))
        pygame.display.update()

    def gameLoop(self):

        self.clock.tick(FPS)
        self.event()
        self.update()

    def event(self):

        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                self.gameRunning = False

            if event.type == pygame.KEYDOWN and event.key == pygame.K_RIGHT:
                self.playerSpeed = 5
            if event.type == pygame.KEYDOWN and event.key == pygame.K_LEFT:
                self.playerSpeed = -5
            if event.type == pygame.KEYUP and event.key == pygame.K_RIGHT:
                self.playerSpeed = 0
            if event.type == pygame.KEYUP and event.key == pygame.K_LEFT:
                self.playerSpeed = 0

        player1.playerX = player1.playerX + self.playerSpeed

playGame = game()
player1 = player()
while playGame.gameRunning == True:
    playGame.gameLoop()


pygame.quit()
quit()

gameMap.tmx：

import pygame
import pytmx

pygame.init()

ninjaIdle01 = pygame.image.load("gameImages\s_ninjaIdle_01.png")
ninjaIdle02 = pygame.image.load("gameImages\s_ninjaIdle_02.png")
ninjaIdle03 = pygame.image.load("gameImages\s_ninjaIdle_03.png")
ninjaIdle04 = pygame.image.load("gameImages\s_ninjaIdle_04.png")
ninjaIdle05 = pygame.image.load("gameImages\s_ninjaIdle_05.png")
ninjaIdle06 = pygame.image.load("gameImages\s_ninjaIdle_06.png")
ninjaIdle07 = pygame.image.load("gameImages\s_ninjaIdle_07.png")
ninjaIdle08 = pygame.image.load("gameImages\s_ninjaIdle_08.png")
ninjaIdle09 = pygame.image.load("gameImages\s_ninjaIdle_09.png")
ninjaIdle10 = pygame.image.load("gameImages\s_ninjaIdle_10.png")
ninjaJump01 = pygame.image.load("gameImages\s_ninjaJump_01.png")
ninjaJump02 = pygame.image.load("gameImages\s_ninjaJump_02.png")
ninjaJump03 = pygame.image.load("gameImages\s_ninjaJump_03.png")
ninjaJump04 = pygame.image.load("gameImages\s_ninjaJump_04.png")
ninjaJump05 = pygame.image.load("gameImages\s_ninjaJump_05.png")
ninjaJump06 = pygame.image.load("gameImages\s_ninjaJump_06.png")
ninjaJump07 = pygame.image.load("gameImages\s_ninjaJump_07.png")
ninjaJump08 = pygame.image.load("gameImages\s_ninjaJump_08.png")
ninjaJump09 = pygame.image.load("gameImages\s_ninjaJump_09.png")
ninjaJump10 = pygame.image.load("gameImages\s_ninjaJump_10.png")
ninjaRun01 = pygame.image.load("gameImages\s_ninjaRun_01.png")
ninjaRun02 = pygame.image.load("gameImages\s_ninjaRun_02.png")
ninjaRun03 = pygame.image.load("gameImages\s_ninjaRun_03.png")
ninjaRun04 = pygame.image.load("gameImages\s_ninjaRun_04.png")
ninjaRun05 = pygame.image.load("gameImages\s_ninjaRun_05.png")
ninjaRun06 = pygame.image.load("gameImages\s_ninjaRun_06.png")
ninjaRun07 = pygame.image.load("gameImages\s_ninjaRun_07.png")
ninjaRun08 = pygame.image.load("gameImages\s_ninjaRun_08.png")
ninjaRun09 = pygame.image.load("gameImages\s_ninjaRun_09.png")
ninjaRun10 = pygame.image.load("gameImages\s_ninjaRun_10.png")
distantCity = pygame.image.load("gameImages\s_distantCity.png")
gameMap = pytmx.load_pygame("gameMap.tmx", pixelalpha = True)

0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
4,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,6,
1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,3,
1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,3

PyGame

加载图像和使用

。convert_alpha（）

必须知道窗口使用的是什么模式，所以您必须在加载图像之前使用

PyGame.display.set.set_mode（）

。

顺便说一句：我们使用

CamelCase

类名称使代码更可读-

class Game（），
class Player（）
，etc.BTW2:Loading.py:做一个循环！
import pygame
import pytmx

pygame.init()

ninjaIdle01 = pygame.image.load("gameImages\s_ninjaIdle_01.png")
ninjaIdle02 = pygame.image.load("gameImages\s_ninjaIdle_02.png")
ninjaIdle03 = pygame.image.load("gameImages\s_ninjaIdle_03.png")
ninjaIdle04 = pygame.image.load("gameImages\s_ninjaIdle_04.png")
ninjaIdle05 = pygame.image.load("gameImages\s_ninjaIdle_05.png")
ninjaIdle06 = pygame.image.load("gameImages\s_ninjaIdle_06.png")
ninjaIdle07 = pygame.image.load("gameImages\s_ninjaIdle_07.png")
ninjaIdle08 = pygame.image.load("gameImages\s_ninjaIdle_08.png")
ninjaIdle09 = pygame.image.load("gameImages\s_ninjaIdle_09.png")
ninjaIdle10 = pygame.image.load("gameImages\s_ninjaIdle_10.png")
ninjaJump01 = pygame.image.load("gameImages\s_ninjaJump_01.png")
ninjaJump02 = pygame.image.load("gameImages\s_ninjaJump_02.png")
ninjaJump03 = pygame.image.load("gameImages\s_ninjaJump_03.png")
ninjaJump04 = pygame.image.load("gameImages\s_ninjaJump_04.png")
ninjaJump05 = pygame.image.load("gameImages\s_ninjaJump_05.png")
ninjaJump06 = pygame.image.load("gameImages\s_ninjaJump_06.png")
ninjaJump07 = pygame.image.load("gameImages\s_ninjaJump_07.png")
ninjaJump08 = pygame.image.load("gameImages\s_ninjaJump_08.png")
ninjaJump09 = pygame.image.load("gameImages\s_ninjaJump_09.png")
ninjaJump10 = pygame.image.load("gameImages\s_ninjaJump_10.png")
ninjaRun01 = pygame.image.load("gameImages\s_ninjaRun_01.png")
ninjaRun02 = pygame.image.load("gameImages\s_ninjaRun_02.png")
ninjaRun03 = pygame.image.load("gameImages\s_ninjaRun_03.png")
ninjaRun04 = pygame.image.load("gameImages\s_ninjaRun_04.png")
ninjaRun05 = pygame.image.load("gameImages\s_ninjaRun_05.png")
ninjaRun06 = pygame.image.load("gameImages\s_ninjaRun_06.png")
ninjaRun07 = pygame.image.load("gameImages\s_ninjaRun_07.png")
ninjaRun08 = pygame.image.load("gameImages\s_ninjaRun_08.png")
ninjaRun09 = pygame.image.load("gameImages\s_ninjaRun_09.png")
ninjaRun10 = pygame.image.load("gameImages\s_ninjaRun_10.png")
distantCity = pygame.image.load("gameImages\s_distantCity.png")
gameMap = pytmx.load_pygame("gameMap.tmx", pixelalpha = True)

<?xml version="1.0" encoding="UTF-8"?>
<map version="1.0" orientation="orthogonal" renderorder="right-down" width="20" height="10" tilewidth="128" tileheight="128" nextobjectid="1">
 <tileset firstgid="1" name="platformerTiles" tilewidth="128" tileheight="128" tilecount="6" columns="0">
  <tile id="0">
   <image width="128" height="128" source="gameImages/dirtLeft.png"/>
  </tile>
  <tile id="1">
   <image width="128" height="128" source="gameImages/dirtMiddle.png"/>
  </tile>
  <tile id="2">
   <image width="128" height="128" source="gameImages/dirtRight.png"/>
  </tile>
  <tile id="3">
   <image width="128" height="128" source="gameImages/grassLeft.png"/>
  </tile>
  <tile id="4">
   <image width="128" height="128" source="gameImages/grassMiddle.png"/>
  </tile>
  <tile id="5">
   <image width="128" height="128" source="gameImages/grassRight.png"/>
  </tile>
 </tileset>
 <layer name="Tile Layer 1" width="20" height="10">
  <data encoding="csv">
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
4,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,6,
1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,3,
1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,3
</data>
 </layer>
</map>