From 23d6e3a81942387182548cd64180d3fc8c2ff477 Mon Sep 17 00:00:00 2001
From: Nick Fisher <nick.fisher@avinium.com>
Date: Wed, 21 May 2025 12:02:29 +0800
Subject: [PATCH] (example) update picking example

---
 examples/flutter/picking/lib/main.dart | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/examples/flutter/picking/lib/main.dart b/examples/flutter/picking/lib/main.dart
index be49cfc3..dc9de17e 100644
--- a/examples/flutter/picking/lib/main.dart
+++ b/examples/flutter/picking/lib/main.dart
@@ -94,20 +94,22 @@ class _MyHomePageState extends State<MyHomePage> {
 
       var delegate = _InputHandlerDelegate(_thermionViewer!.view,
           (ThermionEntity entity, int x, int y) async {
+        int picked = -1;
         for (int i = 0; i < instances.length; i++) {
           var instance = instances[i];
           var children = await instance.getChildEntities();
           if (entity == instance.entity || children.contains(entity)) {
-            overlay = "Instance ${i} selected at viewport coordinates ($x, $y)";
-            setState(() {
-              
-            });
-          } else {
-            setState(() {
-              
-            });
+            picked = i;
+            break;
           }
         }
+        if (picked != -1) {
+          overlay =
+              "Instance $picked selected at viewport coordinates ($x, $y)";
+        } else {
+          overlay = null;
+        }
+        setState(() {});
       });
       _inputHandler =
           DelegateInputHandler(viewer: _thermionViewer!, delegates: [delegate]);