Render simple shapes from example code

src/main.rs

@@ -1,4 +1,5 @@
 use bevy::prelude::*;
+use bevy::sprite::MaterialMesh2dBundle;
 
 pub struct GamarjobaPlugin;
 
@@ -41,5 +42,52 @@ fn main() {
     App::new()
         .add_plugins(DefaultPlugins)
         .add_plugin(GamarjobaPlugin)
+        .add_startup_system(setup)
         .run();
 }
+
+fn setup(
+    mut commands: Commands,
+    mut meshes: ResMut<Assets<Mesh>>,
+    mut materials: ResMut<Assets<ColorMaterial>>,
+) {
+    commands.spawn(Camera2dBundle::default());
+
+    // Circle
+    commands.spawn(MaterialMesh2dBundle {
+        mesh: meshes.add(shape::Circle::new(50.).into()).into(),
+        material: materials.add(ColorMaterial::from(Color::PURPLE)),
+        transform: Transform::from_translation(Vec3::new(-150., 0., 0.)),
+        ..default()
+    });
+
+    // Rectangle
+    commands.spawn(SpriteBundle {
+        sprite: Sprite {
+            color: Color::rgb(0.25, 0.25, 0.75),
+            custom_size: Some(Vec2::new(50.0, 100.0)),
+            ..default()
+        },
+        transform: Transform::from_translation(Vec3::new(-50., 0., 0.)),
+        ..default()
+    });
+
+    // Quad
+    commands.spawn(MaterialMesh2dBundle {
+        mesh: meshes
+            .add(shape::Quad::new(Vec2::new(50., 100.)).into())
+            .into(),
+        material: materials.add(ColorMaterial::from(Color::LIME_GREEN)),
+        transform: Transform::from_translation(Vec3::new(50., 0., 0.)),
+        ..default()
+    });
+
+    // Hexagon
+    commands.spawn(MaterialMesh2dBundle {
+        mesh: meshes.add(shape::RegularPolygon::new(50., 6).into()).into(),
+        material: materials.add(ColorMaterial::from(Color::TURQUOISE)),
+        transform: Transform::from_translation(Vec3::new(150., 0., 0.)),
+        ..default()
+    });
+}
+