save project

snake.py

@@ -9,8 +9,6 @@ screen = pygame.display.set_mode((660, 480))
 
 
 FPSCLOCK=pygame.time.Clock()
 FPSCLOCK=pygame.time.Clock()
 
 
-
-
 # 背景
 # 背景
 background = pygame.image.load('bg.png')
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 right = pygame.image.load('right.png')
@@ -31,17 +29,34 @@ while True:
         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 += 30
+        if event.type == locals.KEYDOWN：
+            if event.key == locals.K_RIGHT and setheading != 'left'
+                setheading='right'
+                snack_head=right
+            if event.key == locals.K_LEFT and setheading != 'right'
+                setheading='left'
+                snack_head=left
+            if event.key == locals.K_UP and setheading != 'down'
+                setheading='up'
+                snack_head=up
+            if event.key == locals.K_DOWN and setheading != 'up'
+                setheading='down'
+                snack_head=down
+    if setheading == 'right':
+        x += 30
+    elif setheading == 'left':
+        x -= 30
+    elif setheading == '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, (x, y))
+    screen.blit(snack_head,a[-1])
     # 将贪吃蛇的身体画上去
     # 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))
     # 将果实画上去
     # 将果实画上去
     for i in range(len(a)-1):
     for i in range(len(a)-1):
         screen.blit(body,a[i])
         screen.blit(body,a[i])
@@ -49,4 +64,4 @@ while True:
     # 刷新画面
     # 刷新画面
     pygame.display.update()
     pygame.display.update()
 
 
-    FPSCLOCK.tick(3)
+    FPSCLOCK.tick(3)
\ No newline at end of file