save project

snake.py

@@ -3,7 +3,8 @@ from pygame import locals
 import random
 # 初始化pygame，为使用硬件做准备
 pygame.init()
-
+l=''
+m=''
 # 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）
@@ -55,11 +56,12 @@ while True:
         y += 30
     position.append((x, y))
     if x==apple_x and y==apple_y:
-        apple_x=random.randint(0,21)
-        apple_x=random.randint(0,15)
-        l=apple_x*30
-        m=apple_y*30
-    else position.pop(0):
+        a=random.randint(0,22)
+        b=random.randint(0,16)
+        apple_x=a*30-30
+        apple_y=b*30-30
+    else:
+        position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去
@@ -69,7 +71,7 @@ while True:
         screen.blit(body, position[i])
 
     # 将果实画上去
-    screen.blit(food,(l,m))
+    screen.blit(food,(apple_x,apple_y))
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(10)
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