save project

snake.py

@@ -22,6 +22,7 @@ my_font = pygame.font.Font('neuropol.ttf',18)
 x, y = 240, 120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
 apple_x, apple_y = 360, 300
+
 setheading = "right"
 snake_head = right
 score = 0
@@ -62,11 +63,7 @@ while True:
         score += 1
     else:
         position.pop(0)
-    if x < 0 or x > 630 or y < 0 or y > 450:
-        exit()
-    for i in range(len(position)-1):
-        if position[-1]==position[i]:
-            exit()
+    
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去
@@ -83,4 +80,4 @@ while True:
     screen.blit(text,(500,30))
     # 刷新画面
     pygame.display.update()
-    FPSCLOCK.tick(4)
\ No newline at end of file
+    FPSCLOCK.tick(15)
\ No newline at end of file