3d mesh and world origin in editor

src/editor.rs

@@ -18,7 +18,7 @@ impl Plugin for EditorPlugin {
                 Update,
                 (
                     handle_window_close.run_if(on_event::<WindowCloseRequested>()),
-                    // plane_gizmos,
+                    plane_gizmos,
                     // fly_camera,
                 )
                     .run_if(in_state(EditorState::Open)),
@@ -83,6 +83,7 @@ fn init_editor(mut commands: Commands) {
                     target: RenderTarget::Window(WindowRef::Entity(editor_window)),
                     ..default()
                 },
+                transform: Transform::from_xyz(10.0, 10.0, 10.0).looking_at(Vec3::ZERO, Vec3::Y),
                 ..default()
             },
         ))
@@ -157,9 +158,27 @@ fn handle_window_close(
         });
 }
 
-fn _plane_gizmos(mut _gizmos: Gizmos) {
+fn plane_gizmos(mut gizmos: Gizmos) {
-    todo!()
+    let r = 20.0;
-    // gizmos.line(Vec3::ZERO, Vec3::X, Color::GREEN);
+    let start = -r as i8;
+    let end = r as i8;
+    (start..=end).into_iter().for_each(|n| {
+        {
+            let offset = Vec3::Z * (n as f32);
+            gizmos.line(Vec3::NEG_X * r + offset, Vec3::X * r + offset, Color::GRAY);
+        }
+        {
+            let offset = Vec3::X * (n as f32);
+            gizmos.line(Vec3::NEG_Z * r + offset, Vec3::Z * r + offset, Color::GRAY);
+        }
+    });
+
+    // World origin arrows
+    {
+        gizmos.arrow(Vec3::ZERO, Vec3::X, Color::RED);
+        gizmos.arrow(Vec3::ZERO, Vec3::Y, Color::DARK_GREEN);
+        gizmos.arrow(Vec3::ZERO, Vec3::Z, Color::BLUE);
+    }
 }
 
 fn _fly_camera(mut _camera: Query<&mut Transform, (With<Camera>, With<EditorTag>)>) {