feat(engine): add component making a object not be drawn

2 files changed, 18 insertions, 10 deletions

diff --git a/engine/src/draw_flags.rs b/engine/src/draw_flags.rs
index c8c11c9..23ea22f 100644
--- a/engine/src/draw_flags.rs
+++ b/engine/src/draw_flags.rs
@@ -47,3 +47,7 @@ pub enum PolygonModeFace
     #[default]
     FrontAndBack,
 }
+
+/// Component that makes a object not be drawn.
+#[derive(Debug, Clone, Copy, Component)]
+pub struct NoDraw;
diff --git a/engine/src/renderer/opengl.rs b/engine/src/renderer/opengl.rs
index 108c504..911f0df 100644
--- a/engine/src/renderer/opengl.rs
+++ b/engine/src/renderer/opengl.rs
@@ -7,6 +7,7 @@ use std::process::abort;
 
 use cstr::cstr;
 use ecs::component::local::Local;
+use ecs::query::options::{Not, With};
 use ecs::sole::Single;
 use ecs::system::{Into as _, System};
 use ecs::{Component, Query};
@@ -14,7 +15,7 @@ use ecs::{Component, Query};
 use crate::camera::Camera;
 use crate::color::Color;
 use crate::data_types::dimens::Dimens;
-use crate::draw_flags::{DrawFlags, PolygonModeConfig};
+use crate::draw_flags::{DrawFlags, NoDraw, PolygonModeConfig};
 use crate::event::{Present as PresentEvent, Start as StartEvent};
 use crate::lighting::{DirectionalLight, GlobalLight, PointLight};
 use crate::material::{Flags as MaterialFlags, Material};
@@ -96,15 +97,18 @@ fn initialize(window: Single<Window>)
 }
 
 fn render(
-    query: Query<(
-        Mesh,
-        ShaderProgram,
-        Material,
-        Option<MaterialFlags>,
-        Option<Position>,
-        Option<Scale>,
-        Option<DrawFlags>,
-    )>,
+    query: Query<
+        (
+            Mesh,
+            ShaderProgram,
+            Material,
+            Option<MaterialFlags>,
+            Option<Position>,
+            Option<Scale>,
+            Option<DrawFlags>,
+        ),
+        Not<With<NoDraw>>,
+    >,
     point_light_query: Query<(PointLight,)>,
     directional_lights: Query<(DirectionalLight,)>,
     camera_query: Query<(Camera,)>,