save project

snake.py

@@ -5,27 +5,56 @@ from pygame import locals
 pygame.init()
 pygame.init()
 SB = pygame.time.Clock()
 SB = pygame.time.Clock()
 # 创建一个窗口
 # 创建一个窗口
-screen = pygame.display.set_mode((660, 480))
+screen = pygame.display.set_mode((6600, 480))
 
 
 # 背景
 # 背景
 background = pygame.image.load('bg.png')
 background = pygame.image.load('bg.png')
-right = pygame.image.load('right.png')
+
+ri = pygame.image.load('right.png')
+le = pygame.image.load('left.png')
+do = pygame.image.load('down.png')
+up = pygame.image.load('up.png')
+
 food = pygame.image.load('apple.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 body = pygame.image.load('body.png')
 x,y = 240,120
 x,y = 240,120
 a = [(180,90),(180,120),(210,120),(x,y)]
 a = [(180,90),(180,120),(210,120),(x,y)]
+se = 'ri'
+s_e = ri
 while True:
 while True:
     for event in pygame.event.get():
     for event in pygame.event.get():
         if event.type == locals.QUIT:
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             # 接收到退出事件后退出程序
             exit()
             exit()
-    x = x+30
+        if event.type == locals.KEYDOWN:
+            if event.key ==locals.K_RIGHT and se != 'le':
+                se = 'ri'
+                s_e = ri
+            if event.key ==locals.K_LEFT and se != 'ri':
+                se = 'le'
+                s_e = le
+            if event.key ==locals.K_UP and se != 'do':
+                se = 'up'
+                s_e = up
+            if event.key ==locals.K_DOWN and se != 'up':
+                se = 'do'
+                s_e = do
+            
+    if se == 'ri':
+        x += 30
+    elif se == 'le':
+        x -= 30
+    elif se == 'up':
+        y -= 30
+    else:
+        y += 30 
+
     a.append((x,y))
     a.append((x,y))
     a.pop(0)
     a.pop(0)
     # 将背景图画上去
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
     # 将贪吃蛇画上去
-    screen.blit(right, a[-1])
+    screen.blit(s_e, a[-1])
     # 将贪吃蛇的身体画上去
     # 将贪吃蛇的身体画上去
     for i in range(len(a)-1):    
     for i in range(len(a)-1):    
         screen.blit(body, a[i])
         screen.blit(body, a[i])
@@ -33,4 +62,4 @@ while True:
     screen.blit(food, (360, 300))
     screen.blit(food, (360, 300))
     # 刷新画面
     # 刷新画面
     pygame.display.update()
     pygame.display.update()
-    SB.tick(3)
+    SB.tick(10)
\ No newline at end of file