save project

snake.py

@@ -22,7 +22,8 @@ position = [(180, 90), (180, 120), (210, 120), (x, y)]
 
 setheading = "right"
 snake_head = right
-
+apple_x=240
+apple_y=180
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -51,8 +52,15 @@ while True:
         y -= 30
     else:
         y += 30
-    position.append((x, y))
+    if x==apple_x and y==apple_y:
+        apple_x=random.randint(1,22)
+        apple_y=random.randint(1,16)
+        apple_x=apple_x*30-30
+        apple_y=apple_y*30-30
+    else:
         position.pop(0)
+    position.append((x, y))
+
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去
@@ -62,7 +70,7 @@ while True:
         screen.blit(body, position[i])
 
     # 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)
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