Merge pull request #5 from Vincexodus/main

`hello_example` for crate

examples/hello_world.rs

@@ -0,0 +1,61 @@
+use bevy::{math::DVec2, prelude::*};
+use bevy_vello_graphics::prelude::*;
+
+fn main() {
+    App::new()
+        // Bevy plugins
+        .add_plugins(DefaultPlugins)
+        // Custom Plugins
+        .add_plugins(VelloGraphicsPlugin)
+        .add_systems(Startup, (setup, render_shapes))
+        .run();
+}
+
+fn setup(mut commands: Commands) {
+    commands.spawn(Camera2dBundle::default());
+}
+
+fn render_shapes(mut commands: Commands) {
+    // Line
+    let line = (
+        VelloLine::new(DVec2::new(0.0, 100.0), DVec2::new(0.0, -100.0)),
+        Stroke::new(5.0).with_color(Color::WHITE),
+        Transform::from_xyz(-300.0, 0.0, 0.0),
+    );
+
+    // Rectangle
+    let rect = (
+        VelloRect::new(100.0, 200.0),
+        Fill::new().with_color(Color::ORANGE),
+        Stroke::new(5.0).with_color(Color::RED),
+        Transform::from_xyz(-100.0, 0.0, 0.0),
+    );
+
+    // Circle
+    let circle = (
+        VelloCircle::new(50.0),
+        Fill::new().with_color(Color::YELLOW_GREEN),
+        Stroke::new(5.0).with_color(Color::DARK_GREEN),
+        Transform::from_xyz(100.0, 0.0, 0.0),
+    );
+
+    let mut bez_path = kurbo::BezPath::new();
+    bez_path.move_to((300.0, 100.0));
+    bez_path.curve_to((200.0, 50.0), (400.0, -50.0), (300.0, -100.0));
+
+    // Bézier Path
+    let bezier_path = (
+        VelloBezPath::new().with_path(bez_path),
+        Stroke::new(4.0).with_color(Color::YELLOW),
+    );
+
+    commands.spawn(VelloSceneBundle::default()).insert(line);
+
+    commands.spawn(VelloSceneBundle::default()).insert(rect);
+
+    commands.spawn(VelloSceneBundle::default()).insert(circle);
+
+    commands
+        .spawn(VelloSceneBundle::default())
+        .insert(bezier_path);
+}

src/bezpath.rs

@@ -4,7 +4,7 @@ use bevy_vello::prelude::*;
 use super::VelloVector;
 
 /// Vello Bézier path component.
-#[derive(Component, Default, Debug, Clone)]
+#[derive(Component, Debug, Clone)]
 pub struct VelloBezPath {
     pub path: kurbo::BezPath,
     pub trace: f32,
@@ -26,6 +26,15 @@ impl VelloBezPath {
     }
 }
 
+impl Default for VelloBezPath {
+    fn default() -> Self {
+        Self {
+            path: default(),
+            trace: 1.0,
+        }
+    }
+}
+
 impl VelloVector for VelloBezPath {
     fn shape(&self) -> impl kurbo::Shape {
         let pathels = self.path.elements();