save project

1.py

+import pygame
+from pygame import locals
+
+# 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()
+# 背景
+background = pygame.image.load('bg.png')
+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")
+x,y=240,120
+position=[(180,90),(180,120),(210,120),(x,y)]
+setheading = "right"
+snake_head = right
+while True:
+    for event in pygame.event.get():
+        if event.type == locals.QUIT:
+            # 接收到退出事件后退出程序
+            exit()
+        elif 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
+    if setheading=="right":
+        x+=30
+    elif setheading=="left":
+        x-=30
+    elif setheading=="up":
+        y-=30
+    else:
+        y+=30
+    position.append((x,y))
+    position.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])
+    #将贪吃蛇的身体画上去
+    for i in range(len(position)-1):
+        screen.blit(body,position[i])
+    #将果实画上去
+    screen.blit(food,(360,300))
+    #刷新画面
+    pygame.display.update()
+    FPSCLOCK.tick(3)
\ No newline at end of file

snake.py

 import pygame
+import random
 from pygame import locals
 
 # 初始化pygame，为使用硬件做准备
@@ -19,7 +20,8 @@ down = pygame.image.load('down.png')        # 头 朝下
 
 x, y = 240, 120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
-
+apple_x=360
+apple_y=300
 setheading = "right"
 snake_head = right
 
@@ -51,8 +53,14 @@ while True:
         y -= 30
     else:
         y += 30
+    if x==apple_x and y== apple_y:
+        numx=random.randint(1,22)
+        numy=random.randint(1,16)
+        apple_x=numx*30-30
+        apple_y=numy*30-30
+    else :
+        position.pop(0)
     position.append((x, y))
-    position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去
@@ -62,7 +70,7 @@ while True:
         screen.blit(body, position[i])
 
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    screen.blit(food, (apple_x, apple_y))
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)
\ No newline at end of file