update sfx2d tool button

scene/entity/audio/sfx2d.gd

@@ -4,17 +4,17 @@ class_name Sfx2D extends AudioStreamPlayer2D
 @export var loop := false
 # 0 一个接一个循环； >0 则每 loop_round_time 播放一次
 @export var loop_round_time := 0.0
-@export var debug_play := false:
-	set(val):
-		debug_play = false
-		if not Engine.is_editor_hint() or not is_node_ready():
-			return
-		if loop_round_time > 0.0:
-			timer.wait_time = loop_round_time
-			timer.start()
-		else:
-			timer.stop()
-			play()
+@export_tool_button("调试播放") var debug_play := func():
+	if loop_round_time > 0.0:
+		timer.wait_time = loop_round_time
+		timer.start()
+	else:
+		timer.stop()
+		play()
+@export_tool_button("调试停止") var debug_stop := func():
+	timer.stop()
+	stop()
+ 
 
 var timer: Timer
 var default_db := 0.0