我做了这个游戏，它的工作原理！嗯，它偶尔会起作用。出于某些原因，有时候气体精灵或者红色精灵只会毫无理由地消失......
以下是代码：
"""
Player Car
"""
import pygame, random
pygame.init()
screen = pygame.display.set_mode((640, 480))
class RedCar(pygame.sprite.Sprite):
def __init__(self):
pygame.sprite.Sprite.__init__(self)
self.image = pygame.image.load("red.png")
self.image = pygame.transform.scale(self.image,(50,75))
self.rect = self.image.get_rect()
if not pygame.mixer:
print("problem with sound")
else:
pygame.mixer.init()
self.sndYay = pygame.mixer.Sound("yay.ogg")
self.sndThunder = pygame.mixer.Sound("thunder.ogg")
def update(self):
mousex, mousey = pygame.mouse.get_pos()
self.rect.center = (mousex, 430)
class GasCan(pygame.sprite.Sprite):
def __init__(self):
pygame.sprite.Sprite.__init__(self)
self.image = pygame.image.load("gas.png")
self.image = pygame.transform.scale(self.image,(50, 50))
self.image = self.image.convert_alpha()
self.rect = self.image.get_rect()
self.reset()
self.dy = 5
def update(self):
self.rect.centery += self.dy
if self.rect.top > screen.get_height():
self.reset()
def reset(self):
self.rect.top = 0
self.rect.centerx = random.randrange(0, screen.get_width())
class YellowCar(pygame.sprite.Sprite):
def __init__(self):
pygame.sprite.Sprite.__init__(self)
self.image = pygame.image.load("yellow.png")
self.image = pygame.transform.scale(self.image,(50, 75))
self.rect = self.image.get_rect()
def update(self):
self.rect.centery += self.dy
#self.rect.centery += random.randrange(5, 20)
if self.rect.top > screen.get_height():
self.reset()
def reset(self):
self.rect.bottom = 0
self.rect.centerx = random.randrange(190, screen.get_width())
self.dy = random.randrange(10, 30)
class Bush(pygame.sprite.Sprite):
def __init__(self):
pygame.sprite.Sprite.__init__(self)
self.image = pygame.image.load("bush.png")
self.image = pygame.transform.scale(self.image,(50, 50))
self.rect = self.image.get_rect()
def update(self):
self.rect.centery += 10
if self.rect.top > screen.get_height():
self.reset()
def reset(self):
self.rect.bottom = 0
self.rect.centerx = random.randrange(0, 150)
class Road(pygame.sprite.Sprite):
def __init__(self):
pygame.sprite.Sprite.__init__(self)
self.image = pygame.image.load("road.png")
#self.image = pygame.transform.scale(self.image,(640, 480))
self.rect = self.image.get_rect()
self.dy = 10
self.reset()
def update(self):
self.rect.bottom += self.dy
if self.rect.top >= 0:
self.reset()
def reset(self):
self.rect.bottom = screen.get_height()
class Scoreboard(pygame.sprite.Sprite):
def __init__(self):
pygame.sprite.Sprite.__init__(self)
self.lives = 11
self.score = 0
self.level = 0
self.font = pygame.font.SysFont("None", 50)
def update(self):
self.text = "Car: %d, score: %d, level: %d" % (self.lives, self.score, self.level)
self.image = self.font.render(self.text, 1, (255, 255, 0))
self.rect = self.image.get_rect()
def Game():
pygame.display.set_caption("Car")
# level =
background = pygame.Surface(screen.get_size())
background.fill((0, 0, 0))
screen.blit(background, (0, 0))
redCar = RedCar()
gas = GasCan()
yellowCar1 = YellowCar()
yellowCar2 = YellowCar()
yellowCar3 = YellowCar()
yellowCar4 = YellowCar()
yellowCar5 = YellowCar()
bush1 = Bush()
bush2 = Bush()
bush3 = Bush()
road = Road()
scoreboard = Scoreboard()
goodSprites = pygame.sprite.Group(gas, road, redCar)
scoreSprite = pygame.sprite.Group(scoreboard)
badSprites = pygame.sprite.Group(yellowCar1, yellowCar2, yellowCar3, yellowCar4, bush1, bush2, bush3)
clock = pygame.time.Clock()
keepGoing = True
while keepGoing:
clock.tick(30)
pygame.mouse.set_visible(False)
for event in pygame.event.get():
if event.type == pygame.QUIT:
keepGoing = False
# if scoreboard.score < 500:
# badSprites = pygame.sprite.Group(yellowCar1, yellowCar2, yellowCar3, bush1)
# scoreboard.level = 1
# elif scoreboard.score < 1000:
# badSprites.add(yellowCar4)
# badSprites.add(bush2)
# scoreboard.level = 2
# elif scoreboard.score < 1500:
# badSprites.add(yellowCar5)
# badSprites.add(bush3)
# scoreboard.level = 3
if redCar.rect.colliderect(gas.rect):
redCar.sndYay.play()
gas.reset()
scoreboard.score += 100
if scoreboard.score % 5 == 0:
scoreboard.lives + 1
hitCar = pygame.sprite.spritecollide(redCar, badSprites, False)
if hitCar:
redCar.sndThunder.play()
scoreboard.lives -= 1
if scoreboard.lives <= 0:
keepGoing = False
for theCar in hitCar:
theCar.reset()
goodSprites.clear(screen, background)
badSprites.clear(screen, background)
scoreSprite.clear(screen, background)
goodSprites.update()
badSprites.update()
scoreSprite.update()
goodSprites.draw(screen)
badSprites.draw(screen)
scoreSprite.draw(screen)
pygame.display.flip()
pygame.mouse.set_visible(True)
return scoreboard.score
def instructions(score):
redCar = RedCar()
road = Road()
allSprites = pygame.sprite.Group(road, redCar)
insFont = pygame.font.SysFont(None, 30)
instructions = (
"Car Survival. Last score: %d" % score ,
"Instructions: Drive your car,",
"and avoid cars and bushes.",
"",
"Gain points by driving over the gas cans.",
"",
"good luck!",
"",
"click to start, escape to quit."
)
insLabels = []
# Create a rendered list of instructions, ready for display
for line in instructions:
tempLabel = insFont.render(line, 1, (255, 0, 0))
insLabels.append(tempLabel)
keepGoing = True
clock = pygame.time.Clock()
pygame.mouse.set_visible(False)
while keepGoing:
clock.tick(30)
for event in pygame.event.get():
if event.type == pygame.QUIT:
keepGoing = False
donePlaying = True
# Check for a mouse click
if event.type == pygame.MOUSEBUTTONDOWN:
keepGoing = False
donePlaying = False
# .... or a quit
elif event.type == pygame.KEYDOWN:
if event.key == pygame.K_ESCAPE:
keepGoing = False
donePlaying = True
allSprites.update()
allSprites.draw(screen)
# Display the instructions
for i in range(len(insLabels)):
screen.blit(insLabels[i], (50, 30*i))
pygame.display.flip()
pygame.mouse.set_visible(True)
return donePlaying
def main():
donePlaying = False
score = 0
while not donePlaying:
donePlaying = instructions(score)
if not donePlaying:
score = Game()
pygame.quit()
if __name__ == "__main__":
main()
有时会出现redCar，但有时它不会出现。有人有任何线索吗？