python pygame小游戏_python之pygame实现贪吃蛇小游戏

importpygameimportsysimporttimeimportrandomfrom pygame.locals import *

#初始化pygame

pygame.init()#这是游戏框

fps_clock =pygame.time.Clock()

play_sur_face= pygame.display.set_mode((640, 480))#设置标题

pygame.display.set_caption("小蛇冲冲冲！！！")#加载图标

image = pygame.image.load("game.jpg")

pygame.display.set_icon(image)#需要自定义设置一些颜色

RED_COLOR= pygame.Color(255, 0, 0)

BLACK_COLOR=pygame.Color(0, 0, 0)

WITHER_COLOR= pygame.Color(255, 255, 255)

GRE_COLOR= pygame.Color(150, 150, 150)

LIGHT_GRE= pygame.Color(220, 220, 220)#游戏结束

defgame_over(play_sur_face, score):#显示GAME OVER 并定义字体以及大小

#game_over_font = pygame.font.Font('arial.tff', 72)

game_over_font = pygame.font.Font('E:\\untitled\\arial.ttf', 72)

game_over_surf= game_over_font.render("GAME OVER", True, GRE_COLOR)

game_over_rect=game_over_surf.get_rect()

game_over_rect.midtop= (320, 125)

play_sur_face.blit(game_over_surf, game_over_rect)#显示分数并定义字体大小

score_font = pygame.font.Font('E:\\untitled\\arial.ttf', 48)

score_surf= score_font.render('score' +str(score), True, GRE_COLOR)

score_rect=score_surf.get_rect()

score_rect.midtop= (320, 255)

play_sur_face.blit(score_surf, score_rect)#刷新页面

pygame.display.flip()

time.sleep(5)

pygame.quit()

sys.exit()

snake_position= [100, 100] #蛇头位置

snake_h = [[100, 100], [80, 100], [60, 100]] #初始长度，三个单位

tree_position = [300, 300]#初始化树莓的数量

tree = 1direction= 'right' #初始化方向

change_direction =direction

score=0#检测例如按键等pygame事件

whileTrue:for event inpygame.event.get():#print(event.type)

if event.type ==QUIT:

pygame.quit()

sys.exit()elif event.type ==KEYDOWN:#判断键盘事件

if event.key == K_RIGHT or event.key == ord('d'):

change_direction= 'right'

if event.key == K_LEFT or event.key == ord('a'):

change_direction= 'left'

if event.key == K_UP or event.key == ord('w'):

change_direction= "up"

if event.key == K_DOWN or event.key == ord('s'):

change_direction= 'down'

if event.key == K_ESCAPE: #按esc键

pygame.event.post(pygame.event.Event(QUIT)) #退出游戏

if change_direction == "right" and not direction == 'left':

direction=change_directionif change_direction == "left" and not direction == 'right':

direction=change_directionif change_direction == "up" and not direction == 'down':

direction=change_directionif change_direction == "down" and not direction == 'up':

direction=change_direction#根据放下移动蛇头坐标

if direction == 'right':

snake_position[0]+= 20

if direction == 'left':

snake_position[0]-= 20

if direction == 'up':

snake_position[1] -= 20

if direction == 'down':

snake_position[1] += 20snake_h.insert(0, list(snake_position))#判断是否吃到树莓

if snake_position[0] == tree_position[0] and snake_position[1] == tree_position[1]:

tree=0else:

snake_h.pop()#每次将最后一单位蛇身剔除列表

#重新生成树莓

if tree ==0:

x= random.randrange(1, 32)

y= random.randrange(1, 24)

tree_position= [int(20 * x), int(20 *y)]

tree= 1score+= 1

#刷新显示层

#def sx_face():

## 绘制pygame显示层

play_sur_face.fill(BLACK_COLOR)for position in snake_h[1:]: #蛇身为白色

pygame.draw.rect(play_sur_face, WITHER_COLOR, Rect(position[0], position[1], 20, 20))

pygame.draw.rect(play_sur_face, LIGHT_GRE, Rect(snake_position[0], snake_position[1], 20, 20)) #蛇头为灰色

pygame.draw.rect(play_sur_face, RED_COLOR, Rect(tree_position[0], tree_position[1], 20, 20))#刷新显示层

pygame.display.flip()#def check_is_alive():

#"""

#判断蛇是否死亡

#:return:

#"""

if snake_position[0] > 620 or snake_position[0] < 0: #超出左右边界

game_over(play_sur_face, score)if snake_position[1] > 460 or snake_position[1] < 0: #超出上下边界

game_over(play_sur_face, score)for snack_body in snake_h[1:]:if snake_position[0] == snack_body[0] == snack_body[1] == snake_position[1]:

game_over(play_sur_face, score)if len(snake_h) < 40:

speed= 6 + len(snake_h) // 4

else:

speed= 16fps_clock.tick(speed)