display frame count in span

bevyengine · Jul 1, 2021 · dd90337 · dd90337
1 parent 699972f
commit dd90337
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/crates/bevy_app/src/app.rs b/crates/bevy_app/src/app.rs
@@ -33,6 +33,8 @@ pub struct App {
     pub world: World,
     pub runner: Box<dyn Fn(App)>,
     pub schedule: Schedule,
+    #[cfg(feature = "trace")]
+    frame_count: u32,
 }
 
 impl Default for App {
@@ -41,6 +43,8 @@ impl Default for App {
             world: Default::default(),
             schedule: Default::default(),
             runner: Box::new(run_once),
+            #[cfg(feature = "trace")]
+            frame_count: 0,
         }
     }
 }
@@ -57,7 +61,8 @@ impl App {
     pub fn update(&mut self) {
         #[cfg(feature = "trace")]
         {
-            let bevy_frame_update_span = info_span!("frame");
+            self.frame_count = self.frame_count.wrapping_add(1);
+            let bevy_frame_update_span = info_span!("frame", frame_count = self.frame_count);
             let _bevy_frame_update_guard = bevy_frame_update_span.enter();
             self.schedule
                 .run_in_span(&mut self.world, Some(&bevy_frame_update_span));