From 3c9e8eb969726317b3c52700d2a5005777740287 Mon Sep 17 00:00:00 2001
From: Alex Kocharin <alex@kocharin.ru>
Date: Mon, 16 Dec 2024 12:39:30 +0400
Subject: [PATCH] avoid crash on exit

---
 examples/common/debug_render.rs | 4 ++--
 examples/common/orbit_camera.rs | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/examples/common/debug_render.rs b/examples/common/debug_render.rs
index 18e9b11..93c3fcc 100644
--- a/examples/common/debug_render.rs
+++ b/examples/common/debug_render.rs
@@ -35,13 +35,13 @@ fn display_debug_render_ui(
     mut settings: ResMut<DebugRenderSettings>,
 ) {
     const TOOLTIP_MARGIN: f32 = 10.;
-    let ctx = egui_contexts.ctx_mut();
+    let Some(egui_ctx) = egui_contexts.try_ctx_mut() else { return; };
     Window::new("debug_render_ui")
         .anchor(Align2::RIGHT_TOP, egui::vec2(-TOOLTIP_MARGIN, TOOLTIP_MARGIN))
         .title_bar(false)
         .auto_sized()
         .resizable(false)
-        .show(ctx, |ui| {
+        .show(egui_ctx, |ui| {
             macro_rules! checkbox {
                 ($setting: ident, $desc: literal) => {
                     let orig_value = settings.$setting > 0.;
diff --git a/examples/common/orbit_camera.rs b/examples/common/orbit_camera.rs
index 6141524..37adee5 100644
--- a/examples/common/orbit_camera.rs
+++ b/examples/common/orbit_camera.rs
@@ -82,7 +82,7 @@ fn apply_camera_controls(
     mut egui_contexts: EguiContexts,
     mut camera_query: Query<&mut OrbitCamera>,
 ) {
-    let egui_ctx = egui_contexts.ctx_mut();
+    let Some(egui_ctx) = egui_contexts.try_ctx_mut() else { return; };
     if egui_ctx.wants_pointer_input() { return; }
 
     enum MyEvent {