save project

snake.py

@@ -19,6 +19,8 @@ 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)]
+apple_x= 360
+apple_y= 300
 
 
 setheading = "right"
 setheading = "right"
 snake_head = right
 snake_head = right
@@ -52,6 +54,18 @@ while True:
     else:
     else:
         y += 30
         y += 30
     position.append((x, y))
     position.append((x, y))
+    if x == apple_x and y ==apple_y:
+        apple_x = random.randint(0,660)
+        apple_x = random.randint(0,480)
+    if setheading == "right":
+        x += 30
+    elif setheading == "left":
+        x -= 30
+    elif setheading == "up":
+        y -= 30
+    else:
+        y += 30
+    position.append((x, y))
     position.pop(0)
     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))
@@ -61,8 +75,7 @@ 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))
+    screen.blit(food, (apple_x, apple_y))
     # 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