save project

snake.py

@@ -55,8 +55,8 @@ while True:
     screen.blit(background, (0, 0))
     screen.blit(right,l[-1])
     if x==dx and y==dy:
-        dx=dx.random(0,360)
-        dy=dy.random(0,300)
+        dx=30*random(1,12)-30
+        dy=30*random(1,10)-30
     for i in range(len(l)-1):
         screen.blit(body,l[i])
     # 将果实画上去