init commit

addons/terrain_3d/utils/transform_changed_notifier.gd

@@ -0,0 +1,14 @@
+@tool
+extends Node3D
+
+signal transform_changed
+
+
+func _ready() -> void:
+	assert(Engine.is_editor_hint())
+	set_notify_transform(true)
+
+
+func _notification(what: int) -> void:
+	if what == NOTIFICATION_TRANSFORM_CHANGED:
+		transform_changed.emit()