add uid nodes

Sources/armory/logicnode/GetObjectByUidNode.hx

@@ -0,0 +1,22 @@
+package armory.logicnode;
+
+import iron.data.SceneFormat;
+import iron.object.Object;
+
+class GetObjectByUidNode extends LogicNode {
+
+	public function new(tree: LogicTree) {
+		super(tree);
+	}
+
+	override function get(from: Int): Dynamic {
+		var objectUid: Int = inputs[0].get();
+		
+		var obj = iron.Scene.active.getChildren(true);
+		
+		for (obji in obj) if (obji.uid == objectUid) return obji;
+		
+		return null;
+		
+	}
+}

Sources/armory/logicnode/GetUidNode.hx

@@ -0,0 +1,18 @@
+package armory.logicnode;
+
+import iron.object.Object;
+
+class GetUidNode extends LogicNode {
+
+	public function new(tree: LogicTree) {
+		super(tree);
+	}
+
+	override function get(from: Int): Dynamic {
+		var object: Object = inputs[0].get();
+
+		if (object == null) return null;
+
+		return object.uid;
+	}
+}