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| import pygame import time from pygame.locals import * import random
class Base(object): def __init__(self,screen_temp,x,y,image_name): self.x = x self.y = y self.screen = screen_temp self.image = pygame.image.load(image_name)
class BasePlane(Base):
def __init__(self,screen_temp,x,y,image_name): Base.__init__(self,screen_temp,x,y,image_name) self.bullet_list = []
def display(self): self.screen.blit(self.image, (self.x,self.y)) for bullet in self.bullet_list: bullet.display() bullet.move() if bullet.judge(): self.bullet_list.remove(bullet)
class HeroPlane(BasePlane):
def __init__(self,screen_temp): BasePlane.__init__(self,screen_temp,210,720,"./images/hero1.png")
def move_left(self): self.x -= 5
def move_right(self): self.x += 5
def fire(self): self.bullet_list.append(Bullet(self.screen,self.x,self.y))
class EnemyPlane(BasePlane): """敌机""" def __init__(self,screen_temp): BasePlane.__init__(self, screen_temp, 0, 0, "./images/enemy0.png") self.direction = 'right'
def move(self): if self.direction == 'right': self.x += 5 elif self.direction == 'left': self.x -= 5
if self.x > 480 - 50: self.direction = 'left' elif self.x < 0: self.direction = 'right'
def fire(self): random_num = random.randint(1,100) if random_num == 8 or random_num == 20: self.bullet_list.append(EnemyBullet(self.screen,self.x,self.y))
class BaseBullet(Base): def __init__(self,screen_temp,x,y,image_name): Base.__init__(self, screen_temp, x, y, image_name)
def display(self): self.screen.blit(self.image,(self.x,self.y))
class Bullet(BaseBullet):
def __init__(self,screen_temp,x,y): BaseBullet.__init__(self,screen_temp,x + 40,y -20,"./images/bullet.png")
def move(self): self.y -= 5
def judge(self): if self.y < 0: return True else: return False
class EnemyBullet(BaseBullet):
def __init__(self,screen_temp,x,y): BaseBullet.__init__(self, screen_temp, x + 25, y + 40, "./images/bullet1.png")
def move(self): self.y += 5
def judge(self): if self.y > 852: return True else: return False
def key_control(hero_temp): for event in pygame.event.get(): if event.type == QUIT: print("exit") exit()
if event.type == KEYDOWN: if event.key == K_a or event.key == K_LEFT: print("left") hero_temp.move_left() elif event.key == K_d or event.key == K_RIGHT: print("right") hero_temp.move_right() elif event.key == K_SPACE: print("space") hero_temp.fire()
def main(): screen = pygame.display.set_mode((480,852),0,32) background = pygame.image.load("./images/background.png") hero = HeroPlane(screen) enemy = EnemyPlane(screen)
while True: screen.blit(background,(0,0)) hero.display() enemy.display() enemy.move() enemy.fire() pygame.display.update()
key_control(hero) time.sleep(0.01)
if __name__ == '__main__': main()
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