save project

snake.py

 import pygame
+import random
 from pygame import locals
 
+record = 0
+
 # 初始化pygame，为使用硬件做准备
 pygame.init()
 
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
-FPSCLOCK = pygame.time.Clock()  # pygame时钟，控制游戏速度（帧数）
 
 # 背景
 background = pygame.image.load('bg.png')
-right = pygame.image.load('right.png')      # 头 朝右
-food = pygame.image.load('apple.png')       # 食物 苹果
-body = pygame.image.load('body.png')        # 身体
-left = pygame.image.load('left.png')        # 头 朝左
-up = pygame.image.load('up.png')            # 头 朝上
-down = pygame.image.load('down.png')        # 头 朝下
+right = pygame.image.load('right.png')
+food = pygame.image.load('apple.png')
+body = pygame.image.load('body.png')
+left = pygame.image.load('left.png')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.png')
+
+snake_x , snake_y = 240 , 120
+
+
+BLACK = (0,0,0)
+GREEN = (0,255,0)
+BLUE = (0,0,128)
+
+shengcheng = True
 
-x, y = 240, 120
-position = [(180, 90), (180, 120), (210, 120), (x, y)]
+chaoxiang = 'right'
+chaoxiang_1 = right
+FPSCLOOK = pygame.time.Clock()
 
-setheading = "right"
-snake_head = right
+xy_tanchishe = [(180,90), (180,120), (210,120), (snake_x, snake_y)]
 
 while True:
+    
+    fontObj = pygame.font.Font('freesansbold.ttf',32)
+    textSurfaceObj = fontObj.render('Hello world!',True,GREEN,BLUE)
+#get_rect()方法返回rect对象
+    textRectObj = textSurfaceObj.get_rect()
+    textRectObj.center=(200,150)
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
         if event.type == locals.KEYDOWN:
-            if event.key == locals.K_RIGHT and setheading != "left":
-                setheading = 'right'
-                snake_head = right
-            if event.key == locals.K_LEFT and setheading != "right":
-                setheading = 'left'
-                snake_head = left
-            if event.key == locals.K_UP and setheading != "down":
-                setheading = 'up'
-                snake_head = up
-            if event.key == locals.K_DOWN and setheading != "up":
-                setheading = 'down'
-                snake_head = down
-
-    # 设置贪吃蛇的头部坐标
-    if setheading == "right":
-        x += 30
-    elif setheading == "left":
-        x -= 30
-    elif setheading == "up":
-        y -= 30
+            #print(1)
+            if event.key == locals.K_RIGHT and chaoxiang != 'left':
+                chaoxiang = 'right'
+                chaoxiang_1 = right
+            if event.key == locals.K_LEFT and chaoxiang != 'right':
+                chaoxiang = 'left'
+                chaoxiang_1 = left
+            if event.key == locals.K_DOWN and chaoxiang != 'up':
+                chaoxiang = 'down'
+                chaoxiang_1 = down
+            if event.key == locals.K_UP and chaoxiang != 'down':
+                chaoxiang = 'up'
+                chaoxiang_1 = up
+    if chaoxiang == 'right':
+        snake_x += 30
+    elif chaoxiang == 'left':
+        snake_x -= 30
+    elif chaoxiang == 'up':
+        snake_y -= 30
     else:
-        y += 30
-    position.append((x, y))
-    position.pop(0)
+        snake_y += 30
+
+    xy_tanchishe.append((snake_x,snake_y))
+    xy_tanchishe.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
-    # 将贪吃蛇的头画上去
-    screen.blit(snake_head, position[-1])
+    # 将贪吃蛇头画上去
+    screen.blit(chaoxiang_1, (snake_x, snake_y))
     # 将贪吃蛇的身体画上去
-    for i in range(len(position)-1):
-        screen.blit(body, position[i])
+    for i in range(len(xy_tanchishe)-1):
+        screen.blit(body,xy_tanchishe[i])
 
+    # screen.blit(body, (210, 120))
+    # screen.blit(body, (180, 120))
+    # screen.blit(body, (180, 90))
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    #screen.blit(food, (random.randint(30, 650), random.randint(30, 450)))
+    if shengcheng:
+        shengcheng_x = random.randrange(0, 630, 30)
+        shengcheng_y = random.randrange(0, 450, 30)
+        shengcheng = False
+        
+    screen.blit(food, (shengcheng_x, shengcheng_y))  
+    
+    if snake_x == shengcheng_x and snake_y == shengcheng_y:
+        shengcheng = True
+
+        xy_tanchishe.insert(0, xy_tanchishe[0])
+        
+        record += 1
+    
+    if snake_x < 0 or snake_x > 660 or snake_y < 0 or snake_y > 480:
+        print('分数：', record)
+        exit()   
+         
+    FPSCLOOK.tick(3)
+        
+    
+
     # 刷新画面
-    pygame.display.update()
-    FPSCLOCK.tick(3)
\ No newline at end of file
+    pygame.display.update()
\ No newline at end of file