setup (draw a circle /m)

src/main.rs

@@ -0,0 +1,36 @@
+use bevy::prelude::*;
+
+fn main() {
+    App::new()
+        .add_plugins(DefaultPlugins)
+        .add_systems(Startup, yeet)
+        .run();
+}
+
+fn yeet(
+    mut commands: Commands,
+    mut meshes: ResMut<Assets<Mesh>>,
+    mut materials: ResMut<Assets<StandardMaterial>>,
+) {
+    commands.spawn((
+        Mesh3d(meshes.add(Cuboid::new(1.0, 1.0, 1.0))),
+        MeshMaterial3d(materials.add(Color::srgb_u8(255, 255, 255))),
+        Transform::from_xyz(0.0, 0.5, 0.0),
+    ));
+    commands.spawn((
+        Mesh3d(meshes.add(Plane3d::new(Vec3::Y, vec2(4., 4.)))),
+        MeshMaterial3d(materials.add(Color::srgb_u8(255, 255, 255))),
+        Transform::from_xyz(0., 0., 0.),
+    ));
+    commands.spawn((
+        PointLight {
+            shadows_enabled: true,
+            ..default()
+        },
+        Transform::from_xyz(4.0, 8.0, 4.0),
+    ));
+    commands.spawn((
+        Camera3d::default(),
+        Transform::from_xyz(-4.5, 3.5, 4.5).looking_at(Vec3::ZERO, Vec3::Y),
+    ));
+}