save project

snake.py

@@ -22,7 +22,8 @@ position = [(180, 90), (180, 120), (210, 120), (x, y)]
 
 
 setheading = "right"
 setheading = "right"
 snake_head = right
 snake_head = right
-
+apple_x=360
+apple_y=300
 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:
@@ -52,7 +53,7 @@ while True:
     else:
     else:
         y += 30
         y += 30
     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
@@ -61,8 +62,17 @@ while True:
     for i in range(len(position)-1):
     for i in range(len(position)-1):
         screen.blit(body, position[i])
         screen.blit(body, position[i])
 
 
-    # 将果实画上去
-    screen.blit(food, (360, 300))
+    
     # 刷新画面
     # 刷新画面
+    
+    #position.append((x,y))
+    if x == apple_x and y == apple_y:
+        num1 = random.randint(1, 22)
+        num2 = random.randint(1, 16)
+        apple_x = num1 * 30 - 30
+        apple_y = num2 * 30 - 30
+    else:
+        position.pop(0)
+    screen.blit(food, (apple_x,apple_y))
     pygame.display.update()
     pygame.display.update()
     FPSCLOCK.tick(3)
     FPSCLOCK.tick(3)
\ No newline at end of file