[英]Switch Start Screen to Game in Pygame
我想将开始屏幕切换到游戏。 当我按下回车键时应该会发生。 但是当我按下回车键时会发生什么实际上是退出游戏。
这是代码:
import random
from time import sleep
import pygame
screen = pygame.display.set_mode([800,600], 0 , 32)
startscreen = pygame.image.load(".\\img\\startscreen.png")
while True:
for event in pygame.event.get():
if (event.type == pygame.QUIT):
pygame.quit()
quit()
sys.exit()
if (event.type == pygame.KEYDOWN):
if (event.key == pygame.K_RETURN):
self.initialize()
screen.blit(startscreen,(0,0))
pygame.display.update()
class CarRacing:
def __init__(self):
pygame.init()
self.display_width = 800
self.display_height = 600
self.black = (0, 0, 0)
self.white = (255, 255, 255)
self.clock = pygame.time.Clock()
self.gameDisplay = None
def initialize(self):
self.crashed = False
self.carImg = pygame.image.load('.\\img\\police.png')
self.car_x_coordinate = (self.display_width * 0.45)
self.car_y_coordinate = (self.display_height * 0.8)
self.car_width = 49
# enemy_car
self.enemy_car = pygame.image.load('.\\img\\enemy_car_1.png')
self.enemy_car_startx = random.randrange(200, 600)
self.enemy_car_starty = -600
self.enemy_car_speed = 5
self.enemy_car_width = 49
self.enemy_car_height = 100
# Background
self.bgImg = pygame.image.load('.\\img\\newroad.jpg')
self.bg_x1 = (self.display_width / 4) - (360 / 4)
self.bg_x2 = (self.display_width / 4) - (360 / 4)
self.bg_y1 = 0
self.bg_y2 = -600
self.bg_speed = 3
self.count = 0
#Music
self.back_music = pygame.mixer.music.load(".\\music\\spy_hunter_nes_music.mp3")
self.back_music = pygame.mixer.music.play(-1)
def car(self, car_x_coordinate, car_y_coordinate):
self.gameDisplay.blit(self.carImg, (car_x_coordinate, car_y_coordinate))
def racing_window(self):
self.gameDisplay = pygame.display.set_mode((self.display_width, self.display_height))
pygame.display.set_caption('Car Dodge')
self.run_car()
def run_car(self):
while not self.crashed:
for event in pygame.event.get():
if event.type == pygame.QUIT:
self.crashed = True
# print(event)
if (event.type == pygame.KEYDOWN):
if (event.key == pygame.K_LEFT):
self.car_x_coordinate -= 50
if (event.key == pygame.K_RIGHT):
self.car_x_coordinate += 50
self.gameDisplay.fill(self.black)
self.back_ground_road()
self.run_enemy_car(self.enemy_car_startx, self.enemy_car_starty)
self.enemy_car_starty += self.enemy_car_speed
if self.enemy_car_starty > self.display_height:
self.enemy_car_starty = 0 - self.enemy_car_height
self.enemy_car_startx = random.randrange(200, 600)
self.car(self.car_x_coordinate, self.car_y_coordinate)
self.highscore(self.count)
self.count += 1
if (self.count % 100 == 0):
self.enemy_car_speed += 1
self.bg_speed += 1
if self.car_y_coordinate < self.enemy_car_starty + self.enemy_car_height:
if self.car_x_coordinate -15 > self.enemy_car_startx -15 and self.car_x_coordinate -15 < self.enemy_car_startx -15 + self.enemy_car_width -15 or self.car_x_coordinate -15 + self.car_width -15 > self.enemy_car_startx -15 and self.car_x_coordinate -15 + self.car_width -15 < self.enemy_car_startx -15 + self.enemy_car_width -15:
self.crashed = True
self.display_message("YOU LOSE !!!")
if self.car_x_coordinate < 150 or self.car_x_coordinate > 650:
self.crashed = True
self.display_message("YOU LOSE !!!")
pygame.display.update()
self.clock.tick(60)
def display_message(self, msg):
font = pygame.font.SysFont("luckiestguy", 72, True)
text = font.render(msg, True, (255, 255, 255))
self.gameDisplay.blit(text, (400 - text.get_width() // 2, 240 - text.get_height() // 2))
self.display_credit()
pygame.display.update()
self.clock.tick(60)
sleep(1)
car_racing.initialize()
car_racing.racing_window()
def back_ground_road(self):
self.gameDisplay.blit(self.bgImg, (self.bg_x1, self.bg_y1))
self.gameDisplay.blit(self.bgImg, (self.bg_x2, self.bg_y2))
self.bg_y1 += self.bg_speed
self.bg_y2 += self.bg_speed
if self.bg_y1 >= self.display_height:
self.bg_y1 = -600
if self.bg_y2 >= self.display_height:
self.bg_y2 = -600
def run_enemy_car(self, thingx, thingy):
self.gameDisplay.blit(self.enemy_car, (thingx, thingy))
def highscore(self, count):
font = pygame.font.SysFont("luckiestguy", 20)
text = font.render("Score : " + str(count), True, self.white)
self.gameDisplay.blit(text, (0, 0))
def display_credit(self):
font = pygame.font.SysFont("luckiestguy", 14)
if __name__ == '__main__':
car_racing = CarRacing()
car_racing.racing_window()
这是主要问题:
screen = pygame.display.set_mode([800,600], 0 , 32)
startscreen = pygame.image.load(".\\img\\startscreen.png")
while True:
for event in pygame.event.get():
if (event.type == pygame.QUIT):
pygame.quit()
quit()
sys.exit()
if (event.type == pygame.KEYDOWN):
if (event.key == pygame.K_RETURN):
self.initialize()
screen.blit(startscreen,(0,0))
pygame.display.update()
我希望你们能帮助我。 顺便说一下,这是我测试的项目。 我已经尝试了很多变化,但没有任何变化。
你在while
self.initialize()
使用self.initialize()
但self.
只能在class
内使用
您应该使用running = True/False
退出while
循环,然后使用car_racing.initialize()
if __name__ == '__main__':
screen = pygame.display.set_mode([800,600], 0 , 32)
startscreen = pygame.image.load(".\\img\\startscreen.png")
running = True
while running:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
quit()
sys.exit()
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_RETURN:
#self.initialize()
running = False
screen.blit(startscreen,(0,0))
pygame.display.update()
car_racing = CarRacing()
car_racing.initialize()
car_racing.racing_window()
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