feat: add a checkbox to enable/disable the debug renderer in the testbed

src_testbed/debug_render.rs

@@ -7,17 +7,23 @@ use rapier::pipeline::{
 };
 
 #[derive(Resource)]
-pub struct DebugRenderPipelineResource(pub DebugRenderPipeline);
+pub struct DebugRenderPipelineResource {
+    pub pipeline: DebugRenderPipeline,
+    pub enabled: bool,
+}
 
 #[derive(Default)]
 pub struct RapierDebugRenderPlugin {}
 
 impl Plugin for RapierDebugRenderPlugin {
     fn build(&self, app: &mut App) {
-        app.insert_resource(DebugRenderPipelineResource(DebugRenderPipeline::new(
+        app.insert_resource(DebugRenderPipelineResource {
+            pipeline: DebugRenderPipeline::new(
                 Default::default(),
                 !DebugRenderMode::RIGID_BODY_AXES & !DebugRenderMode::COLLIDER_AABBS,
-        )))
+            ),
+            enabled: false,
+        })
         .add_systems(Update, debug_render_scene);
     }
 }
@@ -46,12 +52,13 @@ impl<'a> DebugRenderBackend for BevyLinesRenderBackend<'a> {
 }
 
 fn debug_render_scene(
-    mut pipeline: ResMut<DebugRenderPipelineResource>,
+    mut debug_render: ResMut<DebugRenderPipelineResource>,
     harness: NonSend<Harness>,
     gizmos: Gizmos,
 ) {
+    if debug_render.enabled {
         let mut backend = BevyLinesRenderBackend { gizmos };
-    pipeline.0.render(
+        debug_render.pipeline.render(
             &mut backend,
             &harness.physics.bodies,
             &harness.physics.colliders,
@@ -59,4 +66,5 @@ fn debug_render_scene(
             &harness.physics.multibody_joints,
             &harness.physics.narrow_phase,
         );
+    }
 }

src_testbed/testbed.rs

@@ -3,6 +3,7 @@ use std::mem;
 
 use bevy::prelude::*;
 
+use crate::debug_render::{DebugRenderPipelineResource, RapierDebugRenderPlugin};
 use crate::physics::{PhysicsEvents, PhysicsSnapshot, PhysicsState};
 use crate::plugin::TestbedPlugin;
 use crate::ui;
@@ -391,7 +392,7 @@ impl TestbedApp {
                 .add_plugins(DefaultPlugins.set(window_plugin))
                 .add_plugins(OrbitCameraPlugin)
                 .add_plugins(WireframePlugin)
-                // .add_plugins(debug_render::RapierDebugRenderPlugin::default())
+                .add_plugins(RapierDebugRenderPlugin::default())
                 .add_plugins(bevy_egui::EguiPlugin);
 
             #[cfg(target_arch = "wasm32")]
@@ -1083,6 +1084,7 @@ fn update_testbed(
     builders: ResMut<SceneBuilders>,
     mut graphics: NonSendMut<GraphicsManager>,
     mut state: ResMut<TestbedState>,
+    mut debug_render: ResMut<DebugRenderPipelineResource>,
     mut harness: NonSendMut<Harness>,
     #[cfg(feature = "other-backends")] mut other_backends: NonSendMut<OtherBackends>,
     mut plugins: NonSendMut<Plugins>,
@@ -1127,7 +1129,7 @@ fn update_testbed(
     // Update UI
     {
         let harness = &mut *harness;
-        ui::update_ui(&mut ui_context, &mut state, harness);
+        ui::update_ui(&mut ui_context, &mut state, harness, &mut debug_render);
 
         for plugin in &mut plugins.0 {
             plugin.update_ui(

src_testbed/ui.rs

@@ -1,6 +1,7 @@
 use rapier::counters::Counters;
 use rapier::math::Real;
 
+use crate::debug_render::DebugRenderPipelineResource;
 use crate::harness::Harness;
 use crate::testbed::{
     RunMode, TestbedActionFlags, TestbedState, TestbedStateFlags, PHYSX_BACKEND_PATCH_FRICTION,
@@ -11,7 +12,12 @@ use crate::PhysicsState;
 use bevy_egui::egui::Slider;
 use bevy_egui::{egui, EguiContexts};
 
-pub fn update_ui(ui_context: &mut EguiContexts, state: &mut TestbedState, harness: &mut Harness) {
+pub fn update_ui(
+    ui_context: &mut EguiContexts,
+    state: &mut TestbedState,
+    harness: &mut Harness,
+    debug_render: &mut DebugRenderPipelineResource,
+) {
     egui::Window::new("Parameters").show(ui_context.ctx_mut(), |ui| {
         if state.backend_names.len() > 1 && !state.example_names.is_empty() {
             let mut changed = false;
@@ -157,6 +163,7 @@ pub fn update_ui(ui_context: &mut EguiContexts, state: &mut TestbedState, harnes
         ui.checkbox(&mut sleep, "sleep enabled");
         // ui.checkbox(&mut contact_points, "draw contacts");
         // ui.checkbox(&mut wireframe, "draw wireframes");
+        ui.checkbox(&mut debug_render.enabled, "debug render enabled");
 
         state.flags.set(TestbedStateFlags::SLEEP, sleep);
         // state