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Add bevy_framepace to control the framerate in the demos
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,112 @@ | ||
| use bevy::{ | ||
| diagnostic::{DiagnosticsStore, FrameTimeDiagnosticsPlugin}, | ||
| ecs::system::SystemParam, | ||
| prelude::*, | ||
| }; | ||
| use bevy_egui::egui; | ||
| #[cfg(feature = "framepace")] | ||
| use bevy_framepace::{ | ||
| debug::DiagnosticsPlugin as FramepaceDiagnosticsPlugin, FramepacePlugin, FramepaceSettings, | ||
| Limiter, | ||
| }; | ||
|
|
||
| pub struct DemoFrameratePlugin; | ||
|
|
||
| impl Plugin for DemoFrameratePlugin { | ||
| fn build(&self, app: &mut App) { | ||
| app.add_plugins(FrameTimeDiagnosticsPlugin); | ||
|
|
||
| #[cfg(feature = "framepace")] | ||
| { | ||
| app.add_plugins((FramepacePlugin, FramepaceDiagnosticsPlugin)); | ||
| app.insert_resource(FramepaceSettings { | ||
| limiter: Limiter::Off, | ||
| }); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| #[derive(SystemParam)] | ||
| pub struct DemoFramerateParam<'w> { | ||
| diagnostics_store: Res<'w, DiagnosticsStore>, | ||
| #[cfg(feature = "framepace")] | ||
| framepace_settings: ResMut<'w, FramepaceSettings>, | ||
| } | ||
|
|
||
| impl DemoFramerateParam<'_> { | ||
| pub fn show_in_ui(&mut self, ui: &mut egui::Ui) { | ||
| for (diagnostic_path, range) in [ | ||
| (FrameTimeDiagnosticsPlugin::FPS, 0.0..120.0), | ||
| (FrameTimeDiagnosticsPlugin::FRAME_TIME, 0.0..50.0), | ||
| #[cfg(feature = "framepace")] | ||
| (FramepaceDiagnosticsPlugin::FRAMEPACE_FRAMETIME, 0.0..50.0), | ||
| #[cfg(feature = "framepace")] | ||
| ( | ||
| FramepaceDiagnosticsPlugin::FRAMEPACE_OVERSLEEP, | ||
| 0.0..40_000.0, | ||
| ), | ||
| ] { | ||
| if let Some(diagnostic) = self.diagnostics_store.get(&diagnostic_path) { | ||
| if let Some(value) = diagnostic.smoothed() { | ||
| ui.add( | ||
| egui::widgets::ProgressBar::new( | ||
| (value as f32 - range.start) / (range.end - range.start), | ||
| ) | ||
| .text(format!("{}: {:.0}", diagnostic_path, value)), | ||
| ); | ||
| } | ||
| } | ||
| } | ||
| #[cfg(feature = "framepace")] | ||
| { | ||
| use std::time::Duration; | ||
|
|
||
| let limiter = &mut self.framepace_settings.limiter; | ||
| egui::ComboBox::from_label("Framepace Limiter") | ||
| .selected_text(match limiter { | ||
| Limiter::Auto => "auto", | ||
| Limiter::Manual(_) => "manual", | ||
| Limiter::Off => "off", | ||
| }) | ||
| .show_ui(ui, |ui| { | ||
| if ui | ||
| .selectable_label(matches!(limiter, Limiter::Auto), "auto") | ||
| .clicked() | ||
| { | ||
| *limiter = Limiter::Auto; | ||
| } | ||
| if ui | ||
| .selectable_label(matches!(limiter, Limiter::Manual(_)), "manual") | ||
| .clicked() | ||
| { | ||
| #[allow(clippy::collapsible_if)] | ||
| if !matches!(limiter, Limiter::Manual(_)) { | ||
| *limiter = Limiter::Manual(Duration::from_secs_f32(1.0 / 60.0)); | ||
| } | ||
| } | ||
| if ui | ||
| .selectable_label(matches!(limiter, Limiter::Off), "off") | ||
| .clicked() | ||
| { | ||
| *limiter = Limiter::Off; | ||
| } | ||
| }); | ||
| if let Limiter::Manual(limit) = limiter { | ||
| const MIN_FPS: f64 = 1.0; | ||
| const MAX_FPS: f64 = 120.0; | ||
| let mut limit_secs = limit.as_secs_f64(); | ||
|
|
||
| let mut fps_limit = 1.0 / limit_secs; | ||
| ui.add(egui::Slider::new(&mut fps_limit, MIN_FPS..=MAX_FPS).text("FPS Limit")); | ||
| limit_secs = 1.0 / fps_limit; | ||
|
|
||
| ui.add( | ||
| egui::Slider::new(&mut limit_secs, (1.0 / MIN_FPS)..=(1.0 / MAX_FPS)) | ||
| .text("Frame Time Limit"), | ||
| ); | ||
|
|
||
| *limit = Duration::from_secs_f64(limit_secs); | ||
| } | ||
| } | ||
| } | ||
| } |
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