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snake.py

@@ -12,21 +12,48 @@ background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
+jsq = pygame.time.Clock()
+
+x,y = 240,120
+shenti = [(120,30),(120,60),(120,90),(150,90),(180,90),(180, 120),(210,120),(x,y)]
+chaoxiang = '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:
+                chaoxiang = 'right'
+            if event.key == locals.K_LEFT:
+                chaoxiang = 'left'
+            if event.key == locals.K_UP:
+                chaoxiang = 'up'
+            if event.key == locals.K_DOWN:
+                chaoxiang = 'down'
+    if chaoxiang == 'right':
+        x+=30
+    if chaoxiang == 'left':
+        x-=30
+    if chaoxiang == 'up':
+        y-=30
+    if chaoxiang == 'down':
+        y+=30
+    shenti.append((x,y))
+    shenti.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(right, (x,y))
     # 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))
+    for i in range(len(shenti)-1):
+        screen.blit(body, shenti[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))
     # 刷新画面
     pygame.display.update()
+    jsq.tick(3)
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