save project

snake.py

@@ -8,7 +8,10 @@ pygame.init()
 # 创建一个窗口
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
 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）
-
+apple_x = 0
+apple_y = 0
+num1 = 0
+num2 = 0
 # 背景
 # 背景
 background = pygame.image.load('bg.png')
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')      # 头 朝右
 right = pygame.image.load('right.png')      # 头 朝右
@@ -42,8 +45,7 @@ while True:
             if event.key == locals.K_DOWN and setheading != "up":
             if event.key == locals.K_DOWN and setheading != "up":
                 setheading = 'down'
                 setheading = 'down'
                 snake_head = down
                 snake_head = down
-    apple_x = 0
-    apple_y = 0
+    
     # 设置贪吃蛇的头部坐标
     # 设置贪吃蛇的头部坐标
     if setheading == "right":
     if setheading == "right":
         x += 30
         x += 30
@@ -55,9 +57,15 @@ while True:
         y += 30
         y += 30
     position.append((x, y)) 
     position.append((x, y)) 
     if x == apple_x and y == apple_y:
     if x == apple_x and y == apple_y:
-        apple_x = random.randint(0,660)
-        apple_y = random.randint(0,480)
-    position.pop(0)
+        
+        num1 = random.randint(1,22)
+        num2 = random.randint(1,16)
+        apple_x = num1 * 30 - 30
+        apple_y = num2 * 30 - 30
+        
+    else:
+        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