save project

snake.py

@@ -64,10 +64,14 @@ while True:
     else:
     else:
         y += 30
         y += 30
     shenti.append((x,y))
     shenti.append((x,y))
-    shenti.pop(0)
+    
     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)
+        num1=apple_x=random.randint(1,22)
+        num2=apple_y=random.randint(1,16)
+        apple_x=num1*30-30
+        apple_y=num2*30-30
+    else:
+        shenti.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))
     # 将贪吃蛇画上去
     # 将贪吃蛇画上去