save project

snake.py

@@ -20,8 +20,8 @@ down = pygame.image.load('down.png')        # 头 朝下
 
 
 x, y = 240, 120
 x, y = 240, 120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
-apple_x = 360
-apple_y = 300 
+apple_x = 330
+apple_y = 270 
 
 
 setheading = "right"
 setheading = "right"
 snake_head = right
 snake_head = right
@@ -55,13 +55,14 @@ while True:
     else:
     else:
         y += 30
         y += 30
     position.append((x, y))
     position.append((x, y))
-    position.pop(0)
-    if apple_x ==  x and apple_y ==  y:
-        num1 = randow.randint(1,22)
-        num2 = randow.randint(1,16)
-        apple_x = num1*30-30
-        apple_y = num2*30-30
-        
+    
+    if x == apple_x and y == apple_y:
+        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