Struct Windowing 

pub struct Windowing;

Minimal winit wrapper (2025 winit style: ApplicationHandler).

Implementations

impl Windowing

pub fn run_app(universe: Universe) -> EngineResult<()>

Run a Universe in a winit window with default input handling.

Examples found in repository

examples/simple-demo.rs (line 296)

fn main() {
    mittens_engine::example_support::ensure_model_assets();
    utils::logger::init();

    let world = engine::ecs::World::default();
    let mut universe = engine::Universe::new(world);

    build_demo_scene_7_shapes(&mut universe);

    universe.systems.process_commands(
        &mut universe.world,
        &mut universe.visuals,
        &mut universe.render_assets,
        &mut universe.command_queue,
    );
    universe.enable_repl();
    engine::Windowing::run_app(universe).expect("Windowing failed");
}

examples/vr-input-mms.rs (line 29)

fn main() {
    mittens_engine::example_support::ensure_model_assets();
    utils::logger::init();

    let output = scripting::MeowMeowRunner::eval(include_str!("vr-input.mms"));

    for error in &output.errors {
        eprintln!("[mms] {error}");
    }
    println!("[mms] {} intent(s) from vr-input.mms", output.intents.len());

    let world = engine::ecs::World::default();
    let mut universe = engine::Universe::new(world);

    let scope = engine::ecs::ComponentId::default();
    for intent in output.intents {
        universe.command_queue.push_intent_now(scope, intent);
    }

    universe.systems.process_commands(
        &mut universe.world,
        &mut universe.visuals,
        &mut universe.render_assets,
        &mut universe.command_queue,
    );

    engine::Windowing::run_app(universe).expect("Windowing failed");
}

examples/ui-layout.rs (line 33)

fn main() {
    mittens_engine::example_support::ensure_model_assets();
    utils::logger::init();

    let output = scripting::MeowMeowRunner::eval(include_str!("ui-layout.mms"));

    for error in &output.errors {
        eprintln!("[mms] {error}");
    }
    println!(
        "[mms] {} intent(s) from ui-layout.mms",
        output.intents.len()
    );

    let world = engine::ecs::World::default();
    let mut universe = engine::Universe::new(world);

    let scope = engine::ecs::ComponentId::default();
    for intent in output.intents {
        universe.command_queue.push_intent_now(scope, intent);
    }

    universe.systems.process_commands(
        &mut universe.world,
        &mut universe.visuals,
        &mut universe.render_assets,
        &mut universe.command_queue,
    );

    universe.enable_repl();
    engine::Windowing::run_app(universe).expect("Windowing failed");
}

examples/vtuber-desktop.rs (line 33)

fn main() {
    mittens_engine::example_support::ensure_model_assets();
    utils::logger::init();

    let output = scripting::MeowMeowRunner::eval(include_str!("vtuber-desktop.mms"));

    for error in &output.errors {
        eprintln!("[mms] {error}");
    }
    println!(
        "[mms] {} intent(s) from vtuber-desktop.mms",
        output.intents.len()
    );

    let world = engine::ecs::World::default();
    let mut universe = engine::Universe::new(world);

    let scope = engine::ecs::ComponentId::default();
    for intent in output.intents {
        universe.command_queue.push_intent_now(scope, intent);
    }

    universe.systems.process_commands(
        &mut universe.world,
        &mut universe.visuals,
        &mut universe.render_assets,
        &mut universe.command_queue,
    );

    universe.enable_repl();
    engine::Windowing::run_app(universe).expect("Windowing failed");
}

examples/inline-block-layout.rs (line 33)

fn main() {
    mittens_engine::example_support::ensure_model_assets();
    utils::logger::init();

    let output = scripting::MeowMeowRunner::eval(include_str!("inline-block-layout.mms"));

    for error in &output.errors {
        eprintln!("[mms] {error}");
    }
    println!(
        "[mms] {} intent(s) from inline-block-layout.mms",
        output.intents.len()
    );

    let world = engine::ecs::World::default();
    let mut universe = engine::Universe::new(world);

    let scope = engine::ecs::ComponentId::default();
    for intent in output.intents {
        universe.command_queue.push_intent_now(scope, intent);
    }

    universe.systems.process_commands(
        &mut universe.world,
        &mut universe.visuals,
        &mut universe.render_assets,
        &mut universe.command_queue,
    );

    universe.enable_repl();
    engine::Windowing::run_app(universe).expect("Windowing failed");
}

examples/vtuber-desktop-first-person.rs (line 33)

fn main() {
    mittens_engine::example_support::ensure_model_assets();
    utils::logger::init();

    let output = scripting::MeowMeowRunner::eval(include_str!("vtuber-desktop-first-person.mms"));

    for error in &output.errors {
        eprintln!("[mms] {error}");
    }
    println!(
        "[mms] {} intent(s) from vtuber-desktop-first-person.mms",
        output.intents.len()
    );

    let world = engine::ecs::World::default();
    let mut universe = engine::Universe::new(world);

    let scope = engine::ecs::ComponentId::default();
    for intent in output.intents {
        universe.command_queue.push_intent_now(scope, intent);
    }

    universe.systems.process_commands(
        &mut universe.world,
        &mut universe.visuals,
        &mut universe.render_assets,
        &mut universe.command_queue,
    );

    universe.enable_repl();
    engine::Windowing::run_app(universe).expect("Windowing failed");
}

Additional examples can be found in:

• examples/text-input.rs
• examples/text-editor.rs
• examples/pipe-demo.rs
• examples/vtuber-secondary-motion.rs
• examples/query-demo.rs
• examples/component-method-call.rs
• examples/bloom.rs
• examples/mms-tables.rs
• examples/camera-constraint.rs
• examples/input-xr-gamepad.rs
• examples/font-size.rs
• examples/table-field-reassign.rs
• examples/world-panel.rs
• examples/padding-demo.rs
• examples/pride.rs
• examples/observer-router.rs
• examples/percentage-layout.rs
• examples/clip-shape.rs
• examples/neon-kawaii.rs
• examples/bisket-bones-and-ik.rs
• examples/bisket-desktop-demo.rs
• examples/bisket-vr-only-example.rs
• examples/rotate-look-at-example.rs
• examples/mms-loops.rs
• examples/http-server-example.rs
• examples/transition.rs
• examples/mms-functions.rs
• examples/signal-handler.rs
• examples/gestures-and-gizmos.rs
• examples/mms-module-example.rs
• examples/render-graph-diagram.rs
• examples/triage/panel-pierce.rs
• examples/vtuber-mirror-example.rs
• examples/vtuber-editor-example.rs
• examples/router.rs
• examples/camera-toggle.rs
• examples/audio-clip-instance-demo.rs
• examples/scrolling.rs
• examples/audio-music-demo.rs
• examples/diy-panel.rs
• examples/opacity-example.rs
• examples/pointer-events.rs
• examples/text-animation.rs
• examples/button-press.rs
• examples/vtuber-example.rs
• examples/openxr.rs
• examples/transparent-cutout-example.rs
• examples/text-example.rs
• examples/background-example.rs
• examples/mesh-factory-example.rs
• examples/bisket-vr-demo.rs
• examples/background-occlusion-example.rs
• examples/raycast-topology-animation.rs
• examples/animation-for-topology.rs
• examples/vr-input.rs
• examples/font-example.rs
• examples/vtuber-joints-example.rs
• examples/animation-example.rs
• examples/folder-text.rs
• examples/collision-perimeter.rs
• examples/audio-graph-example.rs
• examples/gravity-fields.rs

pub fn run_app_with_input( universe: Universe, user_input: UserInput, ) -> EngineResult<()>

Run a Universe in a winit window with a caller-provided UserInput.