save project

snake.py

@@ -27,6 +27,7 @@ snake_head = right
 
 apple_x,apple_y = 300,360
 score = 0
+FPSCLOCK.tick(3)
 
 while True:
     for event in pygame.event.get():
@@ -48,6 +49,14 @@ while True:
                 snake_head = down
 
     # 设置贪吃蛇的头部坐标
+    if x > 630:
+        x = -30
+    elif x < 0:
+        x = 660
+    elif y < 0:
+        y = 480
+    elif y > 450:
+        y = -30
     if setheading == "right":
         x += 30
     elif setheading == "left":
@@ -57,14 +66,7 @@ while True:
     else:
         y += 30
     position.append((x, y))
-    #if x > 630:
-    #    x = -30
-    #if x < 0:
-    #    x = 630
-    #if y < 0:
-    #    y = 450
-    #if y > 450:
-    #    y = 0
+
     
     # 将背景图画上去
     screen.blit(background, (0, 0))
@@ -98,4 +100,4 @@ while True:
 
     # 刷新画面
     pygame.display.update()
-    FPSCLOCK.tick(3)
\ No newline at end of file
+    FPSCLOCK.tick(5)
\ No newline at end of file