do a basic scene and way too much organization and fail to implement panning

src/game/scene.rs

@@ -0,0 +1,25 @@
+use bevy::prelude::*;
+
+use crate::cleanup;
+
+const NORMALSPUR: f32 = 1.435;
+
+pub fn setup(
+    mut c: Commands,
+    mut meshes: ResMut<Assets<Mesh>>,
+    mut materials: ResMut<Assets<StandardMaterial>>,
+) {
+    // spawn in floor plane
+    c.spawn((
+        Mesh3d(meshes.add(Plane3d::default().mesh().size(128., 128.))),
+        MeshMaterial3d(materials.add(Color::srgb(0.3, 0.8, 0.4))),
+        cleanup::Scene,
+    ));
+
+    // track (temporary)
+    c.spawn((
+        Mesh3d(meshes.add(Cuboid::new(NORMALSPUR, 0.25, 96.))),
+        MeshMaterial3d(materials.add(Color::BLACK)),
+        cleanup::Scene,
+    ));
+}