Make queries of the simple_multipass example consitent

examples/simple_multipass.rs

@@ -20,23 +20,23 @@ fn configure_context(mut egui_settings: Query<&mut EguiSettings>) {
 }
 
 fn ui_example_system(mut contexts: Query<(&mut EguiContext, &mut EguiInput, &mut EguiFullOutput)>) {
- for (mut ctx, mut egui_input, mut egui_full_output) in contexts.iter_mut() {
- let ui = |ctx: &egui::Context| {
- egui::Window::new("Hello").show(ctx, |ui| {
- let passes = ui
- .ctx()
- .viewport(|viewport| viewport.output.num_completed_passes)
- + 1;
- ui.label(format!("Passes: {}", passes));
- ui.ctx().request_discard("Trying to reach max limit");
- });
- };
+ let (mut ctx, mut egui_input, mut egui_full_output) = contexts.single_mut();
 
- let ctx = ctx.get_mut();
- ctx.memory_mut(|memory| {
- memory.options.max_passes = NonZero::new(5).unwrap();
+ let ui = |ctx: &egui::Context| {
+ egui::Window::new("Hello").show(ctx, |ui| {
+ let passes = ui
+ .ctx()
+ .viewport(|viewport| viewport.output.num_completed_passes)
+ + 1;
+ ui.label(format!("Passes: {}", passes));
+ ui.ctx().request_discard("Trying to reach max limit");
  });
+ };
 
- **egui_full_output = Some(ctx.run(egui_input.take(), ui));
- }
+ let ctx = ctx.get_mut();
+ ctx.memory_mut(|memory| {
+ memory.options.max_passes = NonZero::new(5).unwrap();
+ });
+
+ **egui_full_output = Some(ctx.run(egui_input.take(), ui));
 }