save project

snake.py

@@ -23,7 +23,9 @@ position = [(180, 90), (180, 120), (210, 120), (x, y)]
 
 setheading = "right"
 snake_head = right
-
+x,y=240,120
+apple_x=360
+apple_y=300
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -52,11 +54,14 @@ while True:
         y -= 30
     else:
         y += 30
+    position.append((x, y))
     if x==apple_x and y==apple_y:
         b=random.randint(1,22)
         c=random.randint(1,16)
-    position.append((x, y))
-    position.pop(0)
+        apple_x=b*30-30
+        apple_y=c*30-30
+    else:
+        position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去
@@ -64,9 +69,9 @@ while True:
     # 将贪吃蛇的身体画上去
     for i in range(len(position)-1):
         screen.blit(body, position[i])
-
+    screen.blit(food,(apple_x,apple_y))
     # 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
+    FPSCLOCK.tick(8)
\ No newline at end of file