From 5a6c38c97eae5485b60e459c66d921f3dc774ca7 Mon Sep 17 00:00:00 2001
From: "Spencer C. Imbleau" <spencer@imbleau.com>
Date: Tue, 26 Mar 2024 08:56:25 -0400
Subject: [PATCH] refactor: cleanup

---
 examples/scene/Cargo.toml  |  3 ---
 examples/scene/src/main.rs |  5 +----
 src/render/systems.rs      | 13 +++++++------
 3 files changed, 8 insertions(+), 13 deletions(-)

diff --git a/examples/scene/Cargo.toml b/examples/scene/Cargo.toml
index 97a0be7..7a46511 100644
--- a/examples/scene/Cargo.toml
+++ b/examples/scene/Cargo.toml
@@ -10,6 +10,3 @@ publish = false
 [dependencies]
 bevy_vello = { path = "../../" }
 bevy = { workspace = true }
-bevy_pancam = { version = "0.11", features = ["bevy_egui"] }
-bevy_egui = "0.25"
-console_error_panic_hook = "0.1"
diff --git a/examples/scene/src/main.rs b/examples/scene/src/main.rs
index 57cf987..0a7ef5c 100644
--- a/examples/scene/src/main.rs
+++ b/examples/scene/src/main.rs
@@ -1,6 +1,5 @@
 use bevy::asset::AssetMetaCheck;
 use bevy::prelude::*;
-use bevy_egui::EguiPlugin;
 use bevy_vello::prelude::*;
 use bevy_vello::vello::{kurbo, peniko};
 
@@ -8,16 +7,14 @@ fn main() {
     let mut app = App::new();
     app.insert_resource(AssetMetaCheck::Never)
         .add_plugins(DefaultPlugins)
-        .add_plugins(EguiPlugin)
         .add_plugins(VelloPlugin)
-        .add_plugins(bevy_pancam::PanCamPlugin)
         .add_systems(Startup, setup_vector_graphics)
         .add_systems(Update, simple_animation);
     app.run();
 }
 
 fn setup_vector_graphics(mut commands: Commands) {
-    commands.spawn((Camera2dBundle::default(), bevy_pancam::PanCam::default()));
+    commands.spawn(Camera2dBundle::default());
     commands.spawn(VelloSceneBundle {
         transform: Transform::from_translation(Vec3::new(0.0, 0.0, 0.0)),
         ..default()
diff --git a/src/render/systems.rs b/src/render/systems.rs
index eeb22a2..4bc88a1 100644
--- a/src/render/systems.rs
+++ b/src/render/systems.rs
@@ -71,14 +71,14 @@ pub fn render_scene(
         let mut scene = Scene::new();
 
         enum RenderItem<'a> {
-            Vector(&'a ExtractedRenderAsset),
+            Asset(&'a ExtractedRenderAsset),
             Scene(&'a ExtractedRenderScene),
             Text(&'a ExtractedRenderText),
         }
         let mut render_queue: Vec<(f32, CoordinateSpace, (&PreparedAffine, RenderItem))> =
             render_vectors
                 .iter()
-                .map(|(a, b)| (b.z_index, b.render_mode, (a, RenderItem::Vector(b))))
+                .map(|(a, b)| (b.z_index, b.render_mode, (a, RenderItem::Asset(b))))
                 .collect();
         render_queue.extend(query_render_texts.iter().map(|(a, b)| {
             (
@@ -111,7 +111,7 @@ pub fn render_scene(
         // scene to be rendered
         for (_, _, (&PreparedAffine(affine), render_item)) in render_queue.iter_mut() {
             match render_item {
-                RenderItem::Vector(ExtractedRenderAsset {
+                RenderItem::Asset(ExtractedRenderAsset {
                     asset,
                     theme,
                     alpha,
@@ -150,11 +150,12 @@ pub fn render_scene(
             }
         }
 
+        // TODO: Vello should be ignoring 0-sized buffers in the future, so this could go away.
         // Prevent a panic in the vello renderer if all the items contain empty encoding data
         let empty_encodings = render_queue
             .iter()
-            .filter(|(_, _, (_, it))| match it {
-                RenderItem::Vector(a) => match &a.asset.data {
+            .filter(|(_, _, (_, item))| match item {
+                RenderItem::Asset(a) => match &a.asset.data {
                     VectorFile::Svg { scene: svg, .. } => svg.encoding().is_empty(),
                     VectorFile::Lottie { composition } => composition.layers.is_empty(),
                 },
@@ -173,7 +174,7 @@ pub fn render_scene(
                     &scene,
                     &gpu_image.texture_view,
                     &RenderParams {
-                        base_color: vello::peniko::Color::BLACK.with_alpha_factor(0.0),
+                        base_color: vello::peniko::Color::TRANSPARENT,
                         width: gpu_image.size.x as u32,
                         height: gpu_image.size.y as u32,
                         antialiasing_method: vello::AaConfig::Area,