save project

snake.py

@@ -21,6 +21,9 @@ down = pygame.image.load('down.png')        # 头 朝下
 x, y = 240, 120
 x, y = 240, 120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
 
 
+applex = random.randint(0, 21)*30
+appley = random.randint(0, 15)*30
+
 setheading = "right"
 setheading = "right"
 snake_head = right
 snake_head = right
 
 
@@ -52,8 +55,14 @@ while True:
         y -= 30
         y -= 30
     else:
     else:
         y += 30
         y += 30
+
+    if applex == x and appley == y:
+        applex = random.randint(0, 21)*30
+        appley = random.randint(0, 15)*30
+    else:
+        position.pop(0)
+    
     position.append((x, y))
     position.append((x, y))
-    position.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))
     # 将贪吃蛇的头画上去
     # 将贪吃蛇的头画上去
@@ -63,7 +72,7 @@ while True:
         screen.blit(body, position[i])
         screen.blit(body, position[i])
 
 
     # 将果实画上去
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    screen.blit(food, (applex, appley))
     # 刷新画面
     # 刷新画面
     pygame.display.update()
     pygame.display.update()
     FPSCLOCK.tick(3)
     FPSCLOCK.tick(3)
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