save project

snake.py

@@ -3,30 +3,70 @@ from pygame import locals
 
 # 初始化pygame，为使用硬件做准备
 pygame.init()
+f = pygame.time.Clock()
+
 
 # 创建一个窗口
-screen = pygame.display.set_mode((660, 480))
+screen = pygame.display.set_mode((800, 600))
 
 # 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')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.png')
+left = pygame.image.load('left.png')
+right = pygame.image.load('right.png')
+
+x=240
+y=120
+p=[(180,90),(180,120),(210,120),(x,y)]
+
+cx="right"
+zx=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()
+        if event.type==locals.KEYDOWN:
+            if event.key==locals.K_RIGHT and cx!="left":
+                cx="right"
+                zx=right
+            if event.key==locals.K_LEFT and cx!="right":
+                cx="left"
+                zx=left
+            if event.key==locals.K_UP and cx!="down":
+                cx="up"
+                zx=up
+            if event.key==locals.K_DOWN and cx!="up":
+                cx="down"
+                zx=down
+    if cx=="right":
+        x+=30
+    if cx=="left":
+        x-=30
+    if cx=="up":
+        y-=30
+    if cx=="down":
+        y+=30
+    p.append((x,y))
+    p.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    screen.blit(right, (240, 120))
+    screen.blit(zx,p[-1])
+    for i in range(len(p)-1):
+        screen.blit(body,p[i])
+    
     # 将贪吃蛇的身体画上去
-    screen.blit(body, (210, 120))
-    screen.blit(body, (180, 120))
-    screen.blit(body, (180, 90))
+    # 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))
     # 刷新画面
-    pygame.display.update()
\ No newline at end of file
+    pygame.display.update()
+
+    f.tick(7)
\ No newline at end of file