refactor(engine): replace Camera current field with Active component

2 files changed, 7 insertions, 7 deletions

diff --git a/engine/src/camera.rs b/engine/src/camera.rs
index 46b7293..66150af 100644
--- a/engine/src/camera.rs
+++ b/engine/src/camera.rs
@@ -10,7 +10,6 @@ pub struct Camera
 {
     pub target: Vec3<f32>,
     pub global_up: Vec3<f32>,
-    pub current: bool,
     pub projection: Projection,
 }
 
@@ -21,8 +20,11 @@ impl Default for Camera
         Self {
             target: Vec3::default(),
             global_up: Vec3::UP,
-            current: false,
             projection: Projection::Perspective(Perspective::default()),
         }
     }
 }
+
+/// Marker component for cameras that are active.
+#[derive(Debug, Default, Clone, Copy, Component)]
+pub struct Active;
diff --git a/engine/src/renderer/opengl.rs b/engine/src/renderer/opengl.rs
index a90c069..292fd94 100644
--- a/engine/src/renderer/opengl.rs
+++ b/engine/src/renderer/opengl.rs
@@ -13,7 +13,7 @@ use ecs::sole::Single;
 use ecs::system::{Into as _, System};
 use ecs::{Component, Query};
 
-use crate::camera::Camera;
+use crate::camera::{Active as ActiveCamera, Camera};
 use crate::color::Color;
 use crate::data_types::dimens::Dimens;
 use crate::draw_flags::{DrawFlags, NoDraw, PolygonModeConfig};
@@ -115,16 +115,14 @@ fn render(
     query: Query<RenderableEntity, Not<With<NoDraw>>>,
     point_light_query: Query<(PointLight,)>,
     directional_lights: Query<(DirectionalLight,)>,
-    camera_query: Query<(Camera, Position)>,
+    camera_query: Query<(Camera, Position, ActiveCamera)>,
     window: Single<Window>,
     global_light: Single<GlobalLight>,
     mut gl_objects: Local<GlobalGlObjects>,
     mut actions: Actions,
 )
 {
-    let Some((camera, camera_pos)) =
-        camera_query.iter().find(|(camera, _)| camera.current)
-    else {
+    let Some((camera, camera_pos, _)) = camera_query.iter().next() else {
         #[cfg(feature = "debug")]
         tracing::warn!("No current camera. Nothing will be rendered");
         return;