avoid an unneeded warning in testbed while cleaning ; add debugdump for 3d

Author: ThierryBerger

bevy_rapier2d/examples/testbed2.rs

@@ -266,7 +266,12 @@ fn cleanup(world: &mut World) {
         .collect::<Vec<_>>();
 
     for r in remove {
-        world.despawn(r);
+        match world.try_despawn(r) {
+            Err(error @ EntityDespawnError(EntityMutableFetchError::AliasedMutability(_))) => {
+                warn!("Cleanup error: {error:?}");
+            }
+            _ => {}
+        }
     }
 }
 

bevy_rapier3d/Cargo.toml

@@ -82,11 +82,14 @@ bevy = { version = "0.16.0", default-features = false, features = [
     "bevy_text",
     "bevy_ui",
     "default_font",
+    "bevy_log",
 ] }
 approx = "0.5.1"
 glam = { version = "0.29", features = ["approx"] }
 bevy-inspector-egui = "0.31"
 bevy_egui = "0.34"
+# FIXME: target a proper release when support for bevy 0.16 is released.
+bevy_mod_debugdump = { git = "https://github.com/jakobhellermann/bevy_mod_debugdump.git", rev = "ad310179be78abb3c16c581324d7d83b26275028" }
 
 [package.metadata.docs.rs]
 # Enable all the features when building the docs on docs.rs

bevy_rapier3d/examples/debugdump3.rs

@@ -0,0 +1,33 @@
+//! Example using bevy_mod_debugdump to output a graph of systems execution order.
+//! run with:
+//! `cargo run --example debugdump3 > dump.dot && dot -Tsvg dump.dot > dump.svg`
+
+use bevy::prelude::*;
+use bevy_mod_debugdump::{schedule_graph, schedule_graph_dot};
+use bevy_rapier3d::prelude::*;
+
+fn main() {
+    let mut app = App::new();
+    app.add_plugins((
+        DefaultPlugins,
+        RapierPhysicsPlugin::<NoUserData>::default(),
+        RapierDebugRenderPlugin::default(),
+    ));
+
+    let debugdump_settings = schedule_graph::Settings {
+        include_system: Some(Box::new(|system| {
+            if system.name().starts_with("bevy_pbr")
+                || system.name().starts_with("bevy_render")
+                || system.name().starts_with("bevy_gizmos")
+                || system.name().starts_with("bevy_winit")
+                || system.name().starts_with("bevy_sprite")
+            {
+                return false;
+            }
+            true
+        })),
+        ..Default::default()
+    };
+    let dot = schedule_graph_dot(&mut app, PostUpdate, &debugdump_settings);
+    println!("{dot}");
+}

bevy_rapier3d/examples/testbed3.rs

@@ -13,7 +13,10 @@ mod ray_casting3;
 mod static_trimesh3;
 mod voxels3;
 
-use bevy::prelude::*;
+use bevy::{
+    ecs::world::error::{EntityDespawnError, EntityMutableFetchError},
+    prelude::*,
+};
 use bevy_egui::{egui, EguiContexts, EguiPlugin};
 use bevy_inspector_egui::quick::WorldInspectorPlugin;
 use bevy_rapier3d::prelude::*;
@@ -258,7 +261,12 @@ fn cleanup(world: &mut World) {
         .collect::<Vec<_>>();
 
     for r in remove {
-        world.despawn(r);
+        match world.try_despawn(r) {
+            Err(error @ EntityDespawnError(EntityMutableFetchError::AliasedMutability(_))) => {
+                warn!("Cleanup error: {error:?}");
+            }
+            _ => {}
+        }
     }
 }