save project

snake.py

@@ -55,11 +55,15 @@ while True:
         y -= 30
         y -= 30
     else:
     else:
         y += 30
         y += 30
-    if s==x and e==y:
-        s=random.randint(0,660)
-        e=random.randint(0,480)
+    
     position.append((x, y))
     position.append((x, y))
-    position.pop(0)
+    if s==x and e==y:
+        w=random.randint(1,22)
+        r=random.randint(1,16)
+        s=30*w-30
+        e=30*r-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))