save project

snake.py

@@ -6,7 +6,7 @@ pygame.init()
 
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
-FPSCLOCK = pygame.time.Clock()  # pygame时钟，控制游戏速度（帧数）
+FPSCLOCK = pygame.time.Clock()  # pygame时钟，控制游戏速度（帧数）7
 
 # 背景
 background = pygame.image.load('bg.png')
@@ -53,11 +53,13 @@ while True:
     else:
         y += 30
     if x == apple_x and y == apple_y:
-        apple_x = random.randint(0,660)
-        apple_Y = random.randint(0,480)
-
+        num1 = random.randint(1,22)
+        num2 = random.randint(1,16)
+        apple_x = num1*30 - 30
+        apple_y = num2*30 - 30
+    else:
+        position.pop(0)
     position.append((x, y))
-    position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去