update examples to use new camera bundles

crates/lyra-game/src/render/camera.rs

@@ -1,87 +1,7 @@
-use glam::{Mat4, Vec2};
+use glam::Vec2;
 use lyra_math::Transform;
-use lyra_reflect::Reflect;
 
-use crate::math::Angle;
+use crate::scene::CameraProjection;
-
-#[derive(Debug, Clone, Copy, PartialEq, Reflect)]
-pub struct OrthographicProjection {
-    pub scale: f32,
-    pub znear: f32,
-    pub zfar: f32,
-}
-
-impl Default for OrthographicProjection {
-    fn default() -> Self {
-        Self {
-            scale: 1.0,
-            znear: 0.0,
-            zfar: 1000.0,
-        }
-    }
-}
-
-impl OrthographicProjection {
-    pub fn to_mat(&self, viewport_size: Vec2) -> Mat4 {
-        let origin_x = viewport_size.x as f32 * 0.5;
-        let origin_y = viewport_size.y as f32 * 0.5;
-
-        glam::Mat4::orthographic_rh(
-            self.scale * -origin_x,
-            self.scale * viewport_size.x as f32 - origin_x,
-            self.scale * -origin_y,
-            self.scale * viewport_size.y as f32 - origin_y,
-            -1000.0,
-            1000.0,
-        )
-    }
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Reflect)]
-pub struct PerspectiveProjection {
-    pub fov: Angle,
-    pub znear: f32,
-    pub zfar: f32,
-}
-
-impl Default for PerspectiveProjection {
-    fn default() -> Self {
-        Self {
-            fov: Angle::Degrees(45.0),
-            znear: 0.0,
-            zfar: 100.0,
-        }
-    }
-}
-
-impl PerspectiveProjection {
-    pub fn to_mat(&self, viewport_size: Vec2) -> Mat4 {
-        let aspect = viewport_size.x / viewport_size.y;
-        glam::Mat4::perspective_rh(
-            self.fov.to_radians(),
-            aspect,
-            self.znear,
-            self.zfar,
-        )
-    }
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Reflect)]
-pub enum CameraProjectionMode {
-    /// 3d camera projection
-    Perspective(PerspectiveProjection),
-    /// 2d camera projection
-    Orthographic(OrthographicProjection),
-}
-
-impl CameraProjectionMode {
-    pub fn to_mat4(&self, viewport_size: Vec2) -> Mat4 {
-        match self {
-            CameraProjectionMode::Perspective(proj) => proj.to_mat(viewport_size),
-            CameraProjectionMode::Orthographic(proj) => proj.to_mat(viewport_size),
-        }
-    }
-}
 
 #[repr(C)]
 #[derive(Copy, Clone, bytemuck::Pod, bytemuck::Zeroable)]
@@ -96,7 +16,6 @@ pub struct CameraUniform {
     /// The position of the camera
     pub position: glam::Vec3,
     _padding: u32,
-    //_padding: [u8; 3],
 }
 
 impl Default for CameraUniform {
@@ -130,7 +49,7 @@ impl CameraUniform {
         }
     }
 
-    pub fn from_component(transform: Transform, projection: CameraProjectionMode, viewport_size: Vec2) -> Self {
+    pub fn from_component(transform: Transform, projection: CameraProjection, viewport_size: Vec2) -> Self {
         let position = transform.translation;
         let forward = transform.forward();
         let up = transform.up();

crates/lyra-game/src/render/graph/passes/base.rs

@@ -12,8 +12,7 @@ use crate::{
             Node, NodeDesc, NodeType, RenderGraph, RenderGraphContext, SlotAttribute, SlotValue
         },
         render_buffer::BufferWrapper, texture::RenderTexture,
-    },
+    }, scene::{Camera, CameraProjection},
-    scene::CameraComponent,
 };
 
 #[derive(Debug, Hash, Clone, Default, PartialEq, RenderGraphLabel)]
@@ -114,11 +113,20 @@ impl Node for BasePass {
     }
 
     fn prepare(&mut self, graph: &mut RenderGraph, world: &mut lyra_ecs::World, context: &mut RenderGraphContext) {
-        if let Some((camera, transform)) = world.view_iter::<(&CameraComponent, &Transform)>().next() {
+        let mut found_camera = false;
-            let screen_size = graph.view_target().size();
+
-            let uniform = CameraUniform::from_component(*transform, camera.projection, screen_size.as_vec2());
+        for (camera, projection, transform) in world.view_iter::<(&Camera, &CameraProjection, &Transform)>() {
-            context.queue_buffer_write_with(BasePassSlots::Camera, 0, uniform)
+            if camera.is_active {
-        } else {
+                let screen_size = graph.view_target().size();
+                let uniform = CameraUniform::from_component(*transform, *projection, screen_size.as_vec2());
+                context.queue_buffer_write_with(BasePassSlots::Camera, 0, uniform);
+
+                found_camera = true;
+                break;
+            }
+        }
+
+        if !found_camera {
             warn!("Missing camera!");
         }
     }

crates/lyra-game/src/scene/camera.rs

@@ -1,31 +1,127 @@
-use lyra_ecs::Component;
+use glam::{Mat4, Vec2};
+use lyra_ecs::{Bundle, Component};
+use lyra_math::Angle;
 use lyra_reflect::Reflect;
 
-use crate::render::camera::{CameraProjectionMode, OrthographicProjection, PerspectiveProjection};
+#[derive(Debug, Clone, Copy, PartialEq, Reflect)]
-
+pub struct OrthographicProjection {
-#[derive(Clone, Component, Reflect)]
+    pub scale: f32,
-pub struct CameraComponent {
+    pub znear: f32,
-    pub projection: CameraProjectionMode,
+    pub zfar: f32,
-    //pub debug: bool,
 }
 
-impl Default for CameraComponent {
+impl Default for OrthographicProjection {
     fn default() -> Self {
         Self {
-            projection: CameraProjectionMode::Perspective(PerspectiveProjection::default()),
+            scale: 1.0,
+            znear: 0.0,
+            zfar: 1000.0,
         }
     }
 }
 
-impl CameraComponent {
+impl OrthographicProjection {
-    pub fn new_3d() -> Self {
+    pub fn to_mat(&self, viewport_size: Vec2) -> Mat4 {
-        Self::default()
+        let origin_x = viewport_size.x as f32 * 0.5;
-    }
+        let origin_y = viewport_size.y as f32 * 0.5;
 
-    pub fn new_2d() -> Self {
+        glam::Mat4::orthographic_rh(
-        CameraComponent {
+            self.scale * -origin_x,
-            projection: CameraProjectionMode::Orthographic(OrthographicProjection::default()),
+            self.scale * viewport_size.x as f32 - origin_x,
-            ..Default::default()
+            self.scale * -origin_y,
+            self.scale * viewport_size.y as f32 - origin_y,
+            -1000.0,
+            1000.0,
+        )
+    }
+}
+
+#[derive(Debug, Clone, Copy, PartialEq, Reflect)]
+pub struct PerspectiveProjection {
+    pub fov: Angle,
+    pub znear: f32,
+    pub zfar: f32,
+}
+
+impl Default for PerspectiveProjection {
+    fn default() -> Self {
+        Self {
+            fov: Angle::Degrees(45.0),
+            znear: 0.1,
+            zfar: 100.0,
+        }
+    }
+}
+
+impl PerspectiveProjection {
+    pub fn to_mat(&self, viewport_size: Vec2) -> Mat4 {
+        let aspect = viewport_size.x / viewport_size.y;
+        glam::Mat4::perspective_rh(self.fov.to_radians(), aspect, self.znear, self.zfar)
+    }
+}
+
+#[derive(Debug, Clone, Copy, PartialEq, Reflect, Component)]
+pub enum CameraProjection {
+    /// 3d camera projection
+    Perspective(PerspectiveProjection),
+    /// 2d camera projection
+    Orthographic(OrthographicProjection),
+}
+
+impl Default for CameraProjection {
+    fn default() -> Self {
+        Self::Perspective(PerspectiveProjection::default())
+    }
+}
+
+impl CameraProjection {
+    pub fn to_mat4(&self, viewport_size: Vec2) -> Mat4 {
+        match self {
+            CameraProjection::Perspective(proj) => proj.to_mat(viewport_size),
+            CameraProjection::Orthographic(proj) => proj.to_mat(viewport_size),
+        }
+    }
+}
+
+#[derive(Clone, Default, Component, Reflect)]
+pub struct Camera2d;
+
+#[derive(Clone, Component, Reflect)]
+pub struct Camera {
+    pub is_active: bool,
+}
+
+impl Default for Camera {
+    fn default() -> Self {
+        Self { is_active: true }
+    }
+}
+
+/// A component bundle for a Camera entity.
+#[derive(Clone, Default, Bundle)]
+pub struct CameraBundle {
+    pub camera: Camera,
+    pub projection: CameraProjection,
+}
+
+/// A component bundle for a 2d Camera entity.
+#[derive(Clone, Bundle)]
+pub struct Camera2dBundle {
+    pub camera: Camera,
+    pub projection: CameraProjection,
+    pub camera_2d: Camera2d,
+}
+
+impl Default for Camera2dBundle {
+    fn default() -> Self {
+        Self {
+            camera: Default::default(),
+            projection: CameraProjection::Orthographic(OrthographicProjection {
+                znear: -1000.0,
+                zfar: 1000.0,
+                ..Default::default()
+            }),
+            camera_2d: Default::default(),
         }
     }
 }

crates/lyra-scripting/src/lua/providers/ecs.rs

@@ -17,7 +17,8 @@ impl ScriptApiProvider for LyraEcsApiProvider {
         world.register_lua_wrapper::<LuaActionHandler>();
         world.register_lua_wrapper::<LuaWindow>();
         
-        world.register_lua_convert_component::<LuaCamera>("Camera");
+        // TODO: expose camera
+        // world.register_lua_convert_component::<LuaCamera>("Camera");
         world.register_lua_convert_component::<LuaFreeFlyCamera>("FreeFlyCamera");
         world.register_lua_convert_component::<LuaWorldTransform>("WorldTransform");
 
@@ -54,7 +55,6 @@ impl ScriptApiProvider for LyraEcsApiProvider {
         globals.set("TickOfQuery", ctx.create_proxy::<LuaTickOfQuery>()?)?;
         globals.set("OptionalQuery", ctx.create_proxy::<LuaOptionalQuery>()?)?;
 
-        expose_comp_table_wrapper::<LuaCamera>(&ctx, &globals, "Camera")?;
         expose_comp_table_wrapper::<LuaFreeFlyCamera>(&ctx, &globals, "FreeFlyCamera")?;
         expose_comp_table_wrapper::<LuaWorldTransform>(&ctx, &globals, "WorldTransform")?;
         expose_table_wrapper::<LuaDeviceEvent>(&ctx, &globals, "DeviceEvent")?;

crates/lyra-scripting/src/lua/wrappers/mod.rs

@@ -13,9 +13,6 @@ pub use delta_time::*;
 mod window;
 pub use window::*;
 
-mod camera;
-pub use camera::*;
-
 mod free_fly_camera;
 pub use free_fly_camera::*;
 

examples/2d/src/main.rs

@@ -1,6 +1,5 @@
 use lyra_engine::{
-    assets::{Image, ResourceManager, Texture},
+    assets::{Image, ResourceManager},
-    ecs::query::View,
     game::App,
     gltf::Gltf,
     input::{
@@ -8,17 +7,11 @@ use lyra_engine::{
         InputActionPlugin, KeyCode, LayoutId,
     },
     math::{self, Transform, Vec3},
-    render::{
+    render::light::directional::DirectionalLight,
-        camera::{CameraProjectionMode, OrthographicProjection},
-        light::directional::DirectionalLight,
-    },
     scene::{
-        system_update_world_transforms, CameraComponent, FreeFlyCamera, FreeFlyCameraPlugin,
+        system_update_world_transforms, Camera2dBundle, CameraProjection, FreeFlyCamera, FreeFlyCameraPlugin, OrthographicProjection, WorldTransform, ACTLBL_LOOK_LEFT_RIGHT, ACTLBL_LOOK_ROLL, ACTLBL_LOOK_UP_DOWN, ACTLBL_MOVE_FORWARD_BACKWARD, ACTLBL_MOVE_LEFT_RIGHT, ACTLBL_MOVE_UP_DOWN
-        WorldTransform, ACTLBL_LOOK_LEFT_RIGHT, ACTLBL_LOOK_ROLL, ACTLBL_LOOK_UP_DOWN,
-        ACTLBL_MOVE_FORWARD_BACKWARD, ACTLBL_MOVE_LEFT_RIGHT, ACTLBL_MOVE_UP_DOWN,
     },
     sprite::{self, Sprite},
-    winit::WindowOptions,
 };
 
 #[async_std::main]
@@ -167,11 +160,12 @@ fn setup_scene_plugin(app: &mut App) {
     }
 
     world.spawn((
-        CameraComponent {
+        Camera2dBundle {
-            projection: CameraProjectionMode::Orthographic(OrthographicProjection {
+            projection: CameraProjection::Orthographic(OrthographicProjection {
                 scale: 0.75,
                 ..Default::default()
             }),
+            ..Default::default()
         },
         Transform::from_xyz(200.0, 120.0, 0.0),
         FreeFlyCamera::default(),

examples/fixed-timestep-rotating-model/src/main.rs

@@ -1,25 +1,16 @@
 use std::ptr::NonNull;
 
 use lyra_engine::{
-    assets::ResourceManager, gltf::Gltf,
+    assets::ResourceManager, ecs::{
-    ecs::{
         query::{Res, View},
         system::{BatchedSystem, Criteria, CriteriaSchedule, IntoSystem},
         World,
-    },
+    }, game::App, gltf::Gltf, input::{
-    game::App,
-    input::{
         Action, ActionHandler, ActionKind, ActionMapping, ActionMappingId, ActionSource,
         InputActionPlugin, KeyCode, LayoutId, MouseAxis, MouseInput,
-    },
+    }, math::{self, Transform, Vec3}, render::light::directional::DirectionalLight, scene::{
-    math::{self, Transform, Vec3},
+        CameraBundle, FreeFlyCamera, FreeFlyCameraPlugin, WorldTransform, ACTLBL_LOOK_LEFT_RIGHT, ACTLBL_LOOK_ROLL, ACTLBL_LOOK_UP_DOWN, ACTLBL_MOVE_FORWARD_BACKWARD, ACTLBL_MOVE_LEFT_RIGHT, ACTLBL_MOVE_UP_DOWN
-    render::light::directional::DirectionalLight,
+    }, DeltaTime
-    scene::{
-        CameraComponent, FreeFlyCamera, FreeFlyCameraPlugin, WorldTransform,
-        ACTLBL_LOOK_LEFT_RIGHT, ACTLBL_LOOK_ROLL, ACTLBL_LOOK_UP_DOWN,
-        ACTLBL_MOVE_FORWARD_BACKWARD, ACTLBL_MOVE_LEFT_RIGHT, ACTLBL_MOVE_UP_DOWN,
-    },
-    DeltaTime,
 };
 use tracing::info;
 
@@ -135,9 +126,11 @@ fn setup_scene_plugin(app: &mut App) {
         ));
     }
 
-    let mut camera = CameraComponent::new_3d();
+    world.spawn((
-    camera.transform.translation += math::Vec3::new(0.0, 0.0, 1.5);
+        CameraBundle::default(),
-    world.spawn((camera, FreeFlyCamera::default()));
+        Transform::from_xyz(0.0, 0.0, 1.5),
+        FreeFlyCamera::default(),
+    ));
 
     let fps_counter = |counter: Res<fps_counter::FPSCounter>,
             delta: Res<DeltaTime>| -> anyhow::Result<()> {

examples/lua-scripting/src/main.rs

@@ -1,9 +1,9 @@
 use lyra_engine::{
-    assets::ResourceManager, gltf::Gltf, game::App, input::{
+    assets::ResourceManager, game::App, gltf::Gltf, input::{
         Action, ActionHandler, ActionKind, ActionMapping, ActionMappingId, ActionSource,
         InputActionPlugin, KeyCode, LayoutId, MouseAxis, MouseInput,
     }, math::{self, Transform, Vec3}, render::light::directional::DirectionalLight, scene::{
-        self, CameraComponent, FreeFlyCamera, FreeFlyCameraPlugin, WorldTransform, ACTLBL_LOOK_LEFT_RIGHT, ACTLBL_LOOK_ROLL, ACTLBL_LOOK_UP_DOWN, ACTLBL_MOVE_FORWARD_BACKWARD, ACTLBL_MOVE_LEFT_RIGHT, ACTLBL_MOVE_UP_DOWN
+        self, CameraBundle, FreeFlyCamera, FreeFlyCameraPlugin, WorldTransform, ACTLBL_LOOK_LEFT_RIGHT, ACTLBL_LOOK_ROLL, ACTLBL_LOOK_UP_DOWN, ACTLBL_MOVE_FORWARD_BACKWARD, ACTLBL_MOVE_LEFT_RIGHT, ACTLBL_MOVE_UP_DOWN
     }, script::{lua::{LuaScript, LuaScriptingPlugin}, Script, ScriptList}
 };
 
@@ -125,9 +125,11 @@ fn setup_scene_plugin(app: &mut App) {
         ));
     }
 
-    let mut camera = CameraComponent::new_3d();
+    world.spawn((
-    camera.transform.translation += math::Vec3::new(0.0, 0.0, 5.5);
+        CameraBundle::default(),
-    world.spawn((camera, FreeFlyCamera::default()));
+        Transform::from_xyz(0.0, 0.0, 5.5),
+        FreeFlyCamera::default(),
+    ));
 }
 
 fn setup_script_plugin(app: &mut App) {

examples/many-lights/src/main.rs

@@ -1,4 +1,4 @@
-use lyra_engine::{assets::ResourceManager, gltf::Gltf, ecs::query::{Res, View}, game::App, input::{Action, ActionHandler, ActionKind, ActionMapping, ActionMappingId, ActionSource, InputActionPlugin, KeyCode, LayoutId, MouseAxis, MouseInput}, math::{self, Quat, Transform, Vec3}, render::light::{directional::DirectionalLight, PointLight}, scene::{CameraComponent, FreeFlyCamera, FreeFlyCameraPlugin, ACTLBL_LOOK_LEFT_RIGHT, ACTLBL_LOOK_ROLL, ACTLBL_LOOK_UP_DOWN, ACTLBL_MOVE_FORWARD_BACKWARD, ACTLBL_MOVE_LEFT_RIGHT, ACTLBL_MOVE_UP_DOWN}, DeltaTime};
+use lyra_engine::{assets::ResourceManager, ecs::query::Res, game::App, gltf::Gltf, input::{Action, ActionHandler, ActionKind, ActionMapping, ActionMappingId, ActionSource, InputActionPlugin, KeyCode, LayoutId, MouseAxis, MouseInput}, math::{self, Quat, Transform, Vec3}, render::light::{directional::DirectionalLight, PointLight}, scene::{CameraBundle, FreeFlyCamera, FreeFlyCameraPlugin, ACTLBL_LOOK_LEFT_RIGHT, ACTLBL_LOOK_ROLL, ACTLBL_LOOK_UP_DOWN, ACTLBL_MOVE_FORWARD_BACKWARD, ACTLBL_MOVE_LEFT_RIGHT, ACTLBL_MOVE_UP_DOWN}, DeltaTime};
 use rand::Rng;
 use tracing::info;
 
@@ -95,7 +95,6 @@ async fn main() {
     app.with_plugin(lyra_engine::DefaultPlugins);
     app.with_plugin(setup_scene_plugin);
     app.with_plugin(action_handler_plugin);
-    app.with_plugin(camera_debug_plugin);
     app.with_plugin(FreeFlyCameraPlugin);
     app.run();
 }
@@ -184,26 +183,15 @@ fn setup_scene_plugin(app: &mut App) {
         ));
     }
 
-    let mut camera = CameraComponent::new_3d();
+    world.spawn((
-    // these values were taken by manually positioning the camera in the scene.
+        CameraBundle::default(),
-    camera.transform = Transform::new(
+        // these values were taken by manually positioning the camera in the scene
-        Vec3::new(-10.0, 0.94, -0.28), 
+        // and printing the position to console.
-        Quat::from_xyzw(0.03375484, -0.7116095, 0.0342693, 0.70092666), 
+        Transform::new(
-        Vec3::ONE
+            Vec3::new(-10.0, 0.94, -0.28),
-    );
+            Quat::from_xyzw(0.03375484, -0.7116095, 0.0342693, 0.70092666),
-    world.spawn(( camera, FreeFlyCamera::default() ));
+            Vec3::ONE,
-}
+        ),
-
+        FreeFlyCamera::default(),
-fn camera_debug_plugin(app: &mut App) {
+    ));
-    let sys = |handler: Res<ActionHandler>, view: View<&mut CameraComponent>| -> anyhow::Result<()> {
-        if let Some(true) = handler.was_action_just_pressed("Debug") {
-            for mut cam in view.into_iter() {
-                cam.debug = !cam.debug;
-            }
-        }
-
-        Ok(())
-    };
-
-    app.with_system("camera_debug_trigger", sys, &[]);
 }

examples/shadows/src/main.rs

@@ -1,6 +1,7 @@
 use lyra_engine::{
-    assets::ResourceManager, gltf::Gltf,
+    assets::ResourceManager,
     game::App,
+    gltf::Gltf,
     input::{
         Action, ActionHandler, ActionKind, ActionMapping, ActionMappingId, ActionSource,
         InputActionPlugin, KeyCode, LayoutId, MouseAxis, MouseInput,
@@ -11,9 +12,9 @@ use lyra_engine::{
         light::{directional::DirectionalLight, SpotLight},
     },
     scene::{
-        CameraComponent, FreeFlyCamera, FreeFlyCameraPlugin, WorldTransform,
+        CameraBundle, FreeFlyCamera, FreeFlyCameraPlugin, WorldTransform, ACTLBL_LOOK_LEFT_RIGHT,
-        ACTLBL_LOOK_LEFT_RIGHT, ACTLBL_LOOK_ROLL, ACTLBL_LOOK_UP_DOWN,
+        ACTLBL_LOOK_ROLL, ACTLBL_LOOK_UP_DOWN, ACTLBL_MOVE_FORWARD_BACKWARD,
-        ACTLBL_MOVE_FORWARD_BACKWARD, ACTLBL_MOVE_LEFT_RIGHT, ACTLBL_MOVE_UP_DOWN,
+        ACTLBL_MOVE_LEFT_RIGHT, ACTLBL_MOVE_UP_DOWN,
     },
 };
 
@@ -115,13 +116,6 @@ fn setup_scene_plugin(app: &mut App) {
         Transform::from_xyz(0.0, -5.0, -2.0),
     )); */
 
-    let cube_gltf = resman
-        .request::<Gltf>("../assets/cube-texture-embedded.gltf")
-        .unwrap();
-
-    cube_gltf.wait_recurse_dependencies_load();
-    let cube_mesh = &cube_gltf.data_ref().unwrap().scenes[0];
-
     let palm_tree_platform_gltf = resman
         .request::<Gltf>("../assets/shadows-platform-palmtree.glb")
         .unwrap();
@@ -214,8 +208,12 @@ fn setup_scene_plugin(app: &mut App) {
             Vec3::new(4.0 - 1.43, -13.0, 0.0),
             //Vec3::new(-5.0, 1.0, -0.28),
             //Vec3::new(-10.0, 0.94, -0.28),
-        
+            Quat::from_euler(
-            Quat::from_euler(math::EulerRot::XYZ, 0.0, math::Angle::Degrees(-45.0).to_radians(), 0.0),
+                math::EulerRot::XYZ,
+                0.0,
+                math::Angle::Degrees(-45.0).to_radians(),
+                0.0,
+            ),
             Vec3::new(0.15, 0.15, 0.15),
         );
 
@@ -238,10 +236,8 @@ fn setup_scene_plugin(app: &mut App) {
         ));
     }
 
-    let mut camera = CameraComponent::new_3d();
+    let mut pos = Transform::from_xyz(-1.0, -10.0, -1.5);
-    camera.transform.translation = math::Vec3::new(-1.0, -10.0, -1.5);
+    pos.rotate_x(math::Angle::Degrees(-27.0));
-    camera.transform.rotate_x(math::Angle::Degrees(-27.0));
+    pos.rotate_y(math::Angle::Degrees(-90.0));
-    camera.transform.rotate_y(math::Angle::Degrees(-90.0));
+    world.spawn((CameraBundle::default(), pos, FreeFlyCamera::default()));
-
-    world.spawn((camera, FreeFlyCamera::default()));
 }

examples/simple_scene/src/main.rs

@@ -1,10 +1,18 @@
 use lyra_engine::{
-    assets::ResourceManager, gltf::Gltf, ecs::query::View, game::App, input::{
+    assets::ResourceManager,
+    game::App,
+    gltf::Gltf,
+    input::{
         Action, ActionHandler, ActionKind, ActionMapping, ActionMappingId, ActionSource,
         InputActionPlugin, KeyCode, LayoutId,
-    }, math::{self, Transform, Vec3}, render::light::directional::DirectionalLight, scene::{
+    },
-        system_update_world_transforms, CameraComponent, FreeFlyCamera, FreeFlyCameraPlugin, WorldTransform, ACTLBL_LOOK_LEFT_RIGHT, ACTLBL_LOOK_ROLL, ACTLBL_LOOK_UP_DOWN, ACTLBL_MOVE_FORWARD_BACKWARD, ACTLBL_MOVE_LEFT_RIGHT, ACTLBL_MOVE_UP_DOWN
+    math::{self, Transform, Vec3},
-    }, winit::WindowOptions
+    render::light::directional::DirectionalLight,
+    scene::{
+        system_update_world_transforms, CameraBundle, FreeFlyCamera, FreeFlyCameraPlugin,
+        WorldTransform, ACTLBL_LOOK_LEFT_RIGHT, ACTLBL_LOOK_ROLL, ACTLBL_LOOK_UP_DOWN,
+        ACTLBL_MOVE_FORWARD_BACKWARD, ACTLBL_MOVE_LEFT_RIGHT, ACTLBL_MOVE_UP_DOWN,
+    },
 };
 
 #[async_std::main]
@@ -84,7 +92,11 @@ async fn main() {
         .with_plugin(action_handler_plugin)
         //.with_plugin(camera_debug_plugin)
         .with_plugin(FreeFlyCameraPlugin)
-        .with_system("system_update_world_transforms", system_update_world_transforms, &[]);
+        .with_system(
+            "system_update_world_transforms",
+            system_update_world_transforms,
+            &[],
+        );
     a.run();
 }
 
@@ -135,7 +147,9 @@ fn setup_scene_plugin(app: &mut App) {
         ));
     }
 
-    let mut camera = CameraComponent::new_3d();
+    world.spawn((
-    camera.transform.translation += math::Vec3::new(0.0, 0.0, 5.5);
+        CameraBundle::default(),
-    world.spawn((camera, FreeFlyCamera::default()));
+        Transform::from_xyz(0.0, 0.0, 5.5),
+        FreeFlyCamera::default(),
+    ));
 }

examples/testbed/src/main.rs

@@ -1,14 +1,14 @@
 use std::ptr::NonNull;
 
 use lyra_engine::assets::ResourceManager;
+use lyra_engine::scene::CameraBundle;
 use lyra_engine::{
-    gltf::Gltf,
     ecs::{
-        query::{Res, View},
+        system::{Criteria, CriteriaSchedule},
-        system::{Criteria, CriteriaSchedule, IntoSystem},
         Component, World,
     },
     game::App,
+    gltf::Gltf,
     input::{
         Action, ActionHandler, ActionKind, ActionMapping, ActionMappingId, ActionSource,
         InputActionPlugin, KeyCode, LayoutId, MouseAxis, MouseInput,
@@ -16,9 +16,9 @@ use lyra_engine::{
     math::{self, Quat, Transform, Vec3},
     render::light::{directional::DirectionalLight, PointLight, SpotLight},
     scene::{
-        self, CameraComponent, FreeFlyCamera, FreeFlyCameraPlugin, WorldTransform,
+        self, FreeFlyCamera, FreeFlyCameraPlugin, WorldTransform, ACTLBL_LOOK_LEFT_RIGHT,
-        ACTLBL_LOOK_LEFT_RIGHT, ACTLBL_LOOK_ROLL, ACTLBL_LOOK_UP_DOWN,
+        ACTLBL_LOOK_ROLL, ACTLBL_LOOK_UP_DOWN, ACTLBL_MOVE_FORWARD_BACKWARD,
-        ACTLBL_MOVE_FORWARD_BACKWARD, ACTLBL_MOVE_LEFT_RIGHT, ACTLBL_MOVE_UP_DOWN,
+        ACTLBL_MOVE_LEFT_RIGHT, ACTLBL_MOVE_UP_DOWN,
     },
     DeltaTime,
 };
@@ -101,205 +101,6 @@ struct CubeFlag;
 
 #[async_std::main]
 async fn main() {
-    let setup_sys = |world: &mut World| -> anyhow::Result<()> {
-        {
-            /* let mut window_options = world.get_resource_mut::<Ct<WindowOptions>>();
-            window_options.cursor_grab = CursorGrabMode::Confined;
-            window_options.cursor_visible = false; */
-        }
-
-        let resman = world.get_resource_mut::<ResourceManager>().unwrap();
-        //let diffuse_texture = resman.request::<Texture>("assets/happy-tree.png").unwrap();
-        //let antique_camera_model = resman.request::<Model>("assets/AntiqueCamera.glb").unwrap();
-        //let cube_model = resman.request::<Model>("assets/cube-texture-bin.glb").unwrap();
-        let cube_gltf = resman
-            .request::<Gltf>("../assets/texture-sep/texture-sep.gltf")
-            .unwrap();
-        /*let crate_gltf = resman.request::<Gltf>("assets/crate/crate.gltf").unwrap();
-
-        let separate_gltf = resman.request::<Gltf>("assets/pos-testing/child-node-cubes.glb").unwrap(); */
-        //drop(resman);
-
-        cube_gltf.wait_recurse_dependencies_load();
-        let cube_mesh = &cube_gltf.data_ref().unwrap().meshes[0];
-        /* let crate_mesh = &crate_gltf.data_ref()
-            .unwrap().meshes[0];
-
-        let separate_scene = &separate_gltf.data_ref()
-            .unwrap().scenes[0]; */
-
-        let sponza_model = resman
-            .request::<Gltf>("../assets/sponza/Sponza.gltf")
-            .unwrap();
-        drop(resman);
-
-        sponza_model.wait_recurse_dependencies_load();
-        let sponza_scene = &sponza_model.data_ref().unwrap().scenes[0];
-
-        world.spawn((
-            sponza_scene.clone(),
-            WorldTransform::default(),
-            Transform::from_xyz(0.0, 0.0, 0.0),
-        ));
-
-        {
-            let mut light_tran = Transform::from_xyz(1.5, 2.5, 0.0);
-            light_tran.scale = Vec3::new(0.5, 0.5, 0.5);
-            light_tran.rotate_x(math::Angle::Degrees(-45.0));
-            light_tran.rotate_y(math::Angle::Degrees(25.0));
-            world.spawn((
-                DirectionalLight {
-                    enabled: true,
-                    color: Vec3::ONE,
-                    intensity: 0.35, //..Default::default()
-                },
-                light_tran,
-            ));
-        }
-
-        {
-            let t = Transform::new(
-                //Vec3::new(-5.0, 1.0, -1.28),
-                Vec3::new(-5.0, 1.0, -0.0),
-                //Vec3::new(-10.0, 0.94, -0.28),
-                Quat::IDENTITY,
-                Vec3::new(0.25, 0.25, 0.25),
-            );
-
-            world.spawn((
-                PointLight {
-                    enabled: true,
-                    color: Vec3::new(0.0, 0.0, 1.0),
-                    intensity: 1.0,
-                    range: 2.0,
-                    ..Default::default()
-                },
-                WorldTransform::from(t),
-                t,
-                cube_mesh.clone(),
-            ));
-
-            let t = Transform::new(
-                Vec3::new(-3.0, 0.2, -1.5),
-                //Vec3::new(-5.0, 1.0, -0.28),
-                //Vec3::new(-10.0, 0.94, -0.28),
-                Quat::IDENTITY,
-                Vec3::new(0.15, 0.15, 0.15),
-            );
-
-            world.spawn((
-                PointLight {
-                    enabled: true,
-                    color: Vec3::new(0.0, 0.5, 1.0),
-                    intensity: 1.0,
-                    range: 1.0,
-                    ..Default::default()
-                },
-                WorldTransform::from(t),
-                t,
-                cube_mesh.clone(),
-            ));
-
-            let t = Transform::new(
-                Vec3::new(0.0, 0.2, -1.5),
-                //Vec3::new(-5.0, 1.0, -0.28),
-                //Vec3::new(-10.0, 0.94, -0.28),
-                Quat::IDENTITY,
-                Vec3::new(0.15, 0.15, 0.15),
-            );
-
-            world.spawn((
-                SpotLight {
-                    enabled: true,
-                    color: Vec3::new(1.0, 0.0, 0.0),
-                    intensity: 1.0,
-                    range: 1.5,
-                    //cutoff: math::Angle::Degrees(45.0),
-                    ..Default::default()
-                },
-                WorldTransform::from(t),
-                t,
-                cube_mesh.clone(),
-            ));
-        }
-
-        /* {
-            let mut light_tran = Transform::from_xyz(2.0, 2.5, -9.5);
-            light_tran.scale = Vec3::new(0.5, 0.5, 0.5);
-            world.spawn((
-                PointLight {
-                    color: Vec3::new(0.0, 0.0, 1.0),
-
-                    intensity: 3.3,
-
-                    constant: 1.0,
-                    linear: 0.09,
-                    quadratic: 0.032,
-
-                    ambient: 0.2,
-                    diffuse: 1.0,
-                    specular: 1.3,
-                },
-                Transform::from(light_tran),
-                cube_mesh.clone(),
-            ));
-        } */
-
-        /* {
-            let mut light_tran = Transform::from_xyz(-5.0, 2.5, -9.5);
-            light_tran.scale = Vec3::new(0.5, 0.5, 0.5);
-            world.spawn((
-                PointLight {
-                    color: Vec3::new(1.0, 1.0, 1.0),
-
-                    intensity: 1.0,
-
-                    constant: 1.0,
-                    linear: 0.045,
-                    quadratic: 0.0075,
-
-                    ambient: 0.1,
-                    diffuse: 1.0,
-                    specular: 1.3,
-                },
-                TransformComponent::from(light_tran),
-                ModelComponent(cube_model.clone()),
-            ));
-        } */
-
-        let mut camera = CameraComponent::new_3d();
-        // these values were taken by manually positioning the camera in the scene.
-        camera.transform = Transform::new(
-            Vec3::new(-10.0, 0.94, -0.28),
-            Quat::from_xyzw(0.03375484, -0.7116095, 0.0342693, 0.70092666),
-            Vec3::ONE,
-        );
-        //camera.transform.translation += math::Vec3::new(0.0, 0.0, 5.5);
-        world.spawn((camera, FreeFlyCamera::default()));
-
-        Ok(())
-    };
-
-    let camera_debug_plugin = move |app: &mut App| {
-        let sys =
-            |handler: Res<ActionHandler>, view: View<&mut CameraComponent>| -> anyhow::Result<()> {
-                if let Some(true) = handler.was_action_just_pressed("Debug") {
-                    for mut cam in view.into_iter() {
-                        cam.debug = !cam.debug;
-                    }
-                }
-
-                Ok(())
-            };
-
-        app.with_system("camera_debug_trigger", sys, &[]);
-        app.with_system(
-            "update_world_transforms",
-            scene::system_update_world_transforms,
-            &[],
-        );
-    };
-
     let action_handler_plugin = |app: &mut App| {
         let action_handler = ActionHandler::builder()
             .add_layout(LayoutId::from(0))
@@ -388,11 +189,197 @@ async fn main() {
 
     let mut app = App::new();
     app.with_plugin(lyra_engine::DefaultPlugins);
-    app.with_startup_system(setup_sys.into_system());
+    app.with_plugin(setup_scene_plugin);
     app.with_plugin(action_handler_plugin);
     //app.with_plugin(script_test_plugin)
     //app.with_plugin(fps_plugin)
-    app.with_plugin(camera_debug_plugin);
+    app.with_system(
+        "update_world_transforms",
+        scene::system_update_world_transforms,
+        &[],
+    );
     app.with_plugin(FreeFlyCameraPlugin);
     app.run();
 }
+
+fn setup_scene_plugin(app: &mut App) {
+    let world = &mut app.world;
+    {
+        /* let mut window_options = world.get_resource_mut::<Ct<WindowOptions>>();
+        window_options.cursor_grab = CursorGrabMode::Confined;
+        window_options.cursor_visible = false; */
+    }
+
+    let resman = world.get_resource_mut::<ResourceManager>().unwrap();
+    //let diffuse_texture = resman.request::<Texture>("assets/happy-tree.png").unwrap();
+    //let antique_camera_model = resman.request::<Model>("assets/AntiqueCamera.glb").unwrap();
+    //let cube_model = resman.request::<Model>("assets/cube-texture-bin.glb").unwrap();
+    let cube_gltf = resman
+        .request::<Gltf>("../assets/texture-sep/texture-sep.gltf")
+        .unwrap();
+    /*let crate_gltf = resman.request::<Gltf>("assets/crate/crate.gltf").unwrap();
+
+    let separate_gltf = resman.request::<Gltf>("assets/pos-testing/child-node-cubes.glb").unwrap(); */
+    //drop(resman);
+
+    cube_gltf.wait_recurse_dependencies_load();
+    let cube_mesh = &cube_gltf.data_ref().unwrap().meshes[0];
+    /* let crate_mesh = &crate_gltf.data_ref()
+        .unwrap().meshes[0];
+
+    let separate_scene = &separate_gltf.data_ref()
+        .unwrap().scenes[0]; */
+
+    let sponza_model = resman
+        .request::<Gltf>("../assets/sponza/Sponza.gltf")
+        .unwrap();
+    drop(resman);
+
+    sponza_model.wait_recurse_dependencies_load();
+    let sponza_scene = &sponza_model.data_ref().unwrap().scenes[0];
+
+    world.spawn((
+        sponza_scene.clone(),
+        WorldTransform::default(),
+        Transform::from_xyz(0.0, 0.0, 0.0),
+    ));
+
+    {
+        let mut light_tran = Transform::from_xyz(1.5, 2.5, 0.0);
+        light_tran.scale = Vec3::new(0.5, 0.5, 0.5);
+        light_tran.rotate_x(math::Angle::Degrees(-45.0));
+        light_tran.rotate_y(math::Angle::Degrees(25.0));
+        world.spawn((
+            DirectionalLight {
+                enabled: true,
+                color: Vec3::ONE,
+                intensity: 0.35, //..Default::default()
+            },
+            light_tran,
+        ));
+    }
+
+    {
+        let t = Transform::new(
+            //Vec3::new(-5.0, 1.0, -1.28),
+            Vec3::new(-5.0, 1.0, -0.0),
+            //Vec3::new(-10.0, 0.94, -0.28),
+            Quat::IDENTITY,
+            Vec3::new(0.25, 0.25, 0.25),
+        );
+
+        world.spawn((
+            PointLight {
+                enabled: true,
+                color: Vec3::new(0.0, 0.0, 1.0),
+                intensity: 1.0,
+                range: 2.0,
+                ..Default::default()
+            },
+            WorldTransform::from(t),
+            t,
+            cube_mesh.clone(),
+        ));
+
+        let t = Transform::new(
+            Vec3::new(-3.0, 0.2, -1.5),
+            //Vec3::new(-5.0, 1.0, -0.28),
+            //Vec3::new(-10.0, 0.94, -0.28),
+            Quat::IDENTITY,
+            Vec3::new(0.15, 0.15, 0.15),
+        );
+
+        world.spawn((
+            PointLight {
+                enabled: true,
+                color: Vec3::new(0.0, 0.5, 1.0),
+                intensity: 1.0,
+                range: 1.0,
+                ..Default::default()
+            },
+            WorldTransform::from(t),
+            t,
+            cube_mesh.clone(),
+        ));
+
+        let t = Transform::new(
+            Vec3::new(0.0, 0.2, -1.5),
+            //Vec3::new(-5.0, 1.0, -0.28),
+            //Vec3::new(-10.0, 0.94, -0.28),
+            Quat::IDENTITY,
+            Vec3::new(0.15, 0.15, 0.15),
+        );
+
+        world.spawn((
+            SpotLight {
+                enabled: true,
+                color: Vec3::new(1.0, 0.0, 0.0),
+                intensity: 1.0,
+                range: 1.5,
+                //cutoff: math::Angle::Degrees(45.0),
+                ..Default::default()
+            },
+            WorldTransform::from(t),
+            t,
+            cube_mesh.clone(),
+        ));
+    }
+
+    /* {
+        let mut light_tran = Transform::from_xyz(2.0, 2.5, -9.5);
+        light_tran.scale = Vec3::new(0.5, 0.5, 0.5);
+        world.spawn((
+            PointLight {
+                color: Vec3::new(0.0, 0.0, 1.0),
+
+                intensity: 3.3,
+
+                constant: 1.0,
+                linear: 0.09,
+                quadratic: 0.032,
+
+                ambient: 0.2,
+                diffuse: 1.0,
+                specular: 1.3,
+            },
+            Transform::from(light_tran),
+            cube_mesh.clone(),
+        ));
+    } */
+
+    /* {
+        let mut light_tran = Transform::from_xyz(-5.0, 2.5, -9.5);
+        light_tran.scale = Vec3::new(0.5, 0.5, 0.5);
+        world.spawn((
+            PointLight {
+                color: Vec3::new(1.0, 1.0, 1.0),
+
+                intensity: 1.0,
+
+                constant: 1.0,
+                linear: 0.045,
+                quadratic: 0.0075,
+
+                ambient: 0.1,
+                diffuse: 1.0,
+                specular: 1.3,
+            },
+            TransformComponent::from(light_tran),
+            ModelComponent(cube_model.clone()),
+        ));
+    } */
+
+    world.spawn((
+        CameraBundle::default(),
+        // these values were taken by manually positioning the camera in the scene
+        // and printing the position to console.
+        Transform::new(
+            Vec3::new(-10.0, 0.94, -0.28),
+            Quat::from_xyzw(0.03375484, -0.7116095, 0.0342693, 0.70092666),
+            Vec3::ONE,
+        ),
+        FreeFlyCamera::default(),
+    ));
+
+    //Ok(())
+}