增加 draggable 默认光层

project.godot

@@ -235,6 +235,8 @@ locale/fallback="zh"
 2d_render/layer_4="玩家角色"
 2d_render/layer_5="UI提示"
 2d_render/layer_6="临时界面"
+2d_render/layer_7="RigidDraggableSprite"
+2d_render/layer_8="DraggableSprite"
 2d_physics/layer_1="player"
 2d_physics/layer_2="wall"
 2d_physics/layer_3="interactable"

scene/little_game/general/draggable.tscn

@@ -9,5 +9,6 @@ texture = ExtResource("3_de4ll")
 
 [node name="Sprite2D" type="Sprite2D" parent="."]
 unique_name_in_owner = true
+light_mask = 129
 y_sort_enabled = true
 texture = ExtResource("3_de4ll")