onyx

Struct State

Source 
pub struct State<Action> { /* private fields */ }

Implementations§

Source§

impl<Action> State<Action>

Source

pub fn ui(&mut self) -> &mut Ui<Action>

Examples found in repository?
examples/example-ui.rs (line 18)
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    fn new(state: &mut onyx::State<Action>) -> Self {
        let scene = Scene { count: 0 };
        state.ui().build(onyx::ui::panel()
            .layout(onyx::ui::Layout::Vertical)
            .child(onyx::ui::button(|| Action::Increment)
                .child(onyx::ui::label("Increment"))
            )
            .child(onyx::ui::button(|| Action::Decrement)
                .child(onyx::ui::label("Decrement"))
            )
            .child(onyx::ui::label("0").id("count"))
        );
        scene
    }
    
    fn action(&mut self, action: Action, state: &mut onyx::State<Action>) -> onyx::Transition {
        match action {
            Action::Increment => self.count += 1,
            Action::Decrement => self.count -= 1,
        }
        state.ui().set_text("count", &self.count.to_string());
        state.none()
    }
More examples
Hide additional examples
examples/example-transition.rs (line 25)
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    fn new(state: &mut onyx::State<Self::Action>) -> Self {
        state.ui().build(onyx::ui::panel()
            .layout(onyx::ui::Layout::Vertical)
            .child(onyx::ui::button(|| Action1::Push2)
                .child(onyx::ui::label("Push 2"))
            )
            .child(onyx::ui::button(|| Action1::Switch3)
                .child(onyx::ui::label("Switch 3"))
            )
            .child(onyx::ui::button(|| Action1::Quit)
                .child(onyx::ui::label("Quit"))
            )
        );
        Scene1
    }

    fn action(&mut self, action: Self::Action, state: &mut onyx::State<Self::Action>) -> onyx::Transition {
        match action {
            Action1::Push2 => state.push::<Scene2>(),
            Action1::Switch3 => state.switch::<Scene3>(),
            Action1::Quit => state.quit(),
        }
    }
}

impl onyx::Scene for Scene2 {
    type Action = Action2;

    fn new(state: &mut onyx::State<Self::Action>) -> Self {
        state.ui().build(onyx::ui::panel()
            .layout(onyx::ui::Layout::Vertical)
            .child(onyx::ui::button(|| Action2::Pop)
                .child(onyx::ui::label("Pop"))
            )
        );
        Scene2
    }

    fn action(&mut self, action: Self::Action, state: &mut onyx::State<Self::Action>) -> onyx::Transition {
        match action {
            Action2::Pop => state.pop(),
        }
    }
}

impl onyx::Scene for Scene3 {
    type Action = Action3;

    fn new(state: &mut onyx::State<Self::Action>) -> Self {
        state.ui().build(onyx::ui::panel()
            .layout(onyx::ui::Layout::Vertical)
            .child(onyx::ui::button(|| Action3::Switch1)
                .child(onyx::ui::label("Switch 1"))
            )
        );
        Scene3
    }
examples/example-pong.rs (line 73)
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    fn new(state: &mut onyx::State<Action>) -> Self {
        let size = state.context().size();
        let plank_size = Vec2::new(10.0, 100.0);
        let left_plank = Rect::new(state, 0.5 * Vec2::new(plank_size.x, size.y), plank_size, Vec2::zero());
        let right_plank = Rect::new(state, Vec2::new(size.x - 0.5 * plank_size.x, 0.5 * size.y), plank_size, Vec2::zero());
        let ball_size = Vec2::new(20.0, 20.0);
        let ball = Rect::new(state, 0.5 * size, ball_size, Vec2::new(100.0, 100.0));
        state.ui().build(onyx::ui::panel()
            .layout(onyx::ui::Layout::Horizontal)
            .alignment(onyx::ui::Alignment::Center, onyx::ui::Alignment::Min)
            .child(onyx::ui::label("0").id("left"))
            .child(onyx::ui::label(":"))
            .child(onyx::ui::label("0").id("right"))
        );
        let mut keys = HashMap::new();
        keys.insert(onyx::Key::W, (Direction::Up, Plank::Left));
        keys.insert(onyx::Key::S, (Direction::Down, Plank::Left));
        keys.insert(onyx::Key::Up, (Direction::Up, Plank::Right));
        keys.insert(onyx::Key::Down, (Direction::Down, Plank::Right));
        Scene { 
            left_plank,
            right_plank,
            ball,
            left_score: 0,
            right_score: 0,
            keys,
        }
    }

    fn event(&mut self, event: onyx::Event) -> Option<Action> {
        match event {
            onyx::Event::KeyPressed(key) => {
                if let Some(&(direction, plank)) = self.keys.get(&key) {
                    Some(Action { direction, plank, kind: Kind::Start })
                } else {
                    None
                }
            },
            onyx::Event::KeyReleased(key) => {
                if let Some(&(direction, plank)) = self.keys.get(&key) {
                    Some(Action { direction, plank, kind: Kind::Stop })
                } else {
                    None
                }
            },
            _ => None,
        }
    }

    fn action(&mut self, action: Self::Action, state: &mut onyx::State<Action>) -> onyx::Transition {
        let plank = match action.plank {
            Plank::Left => &mut self.left_plank,
            Plank::Right => &mut self.right_plank,
        };
        let velocity = match action.direction {
            Direction::Down => Vec2::new(0.0, 100.0),
            Direction::Up => Vec2::new(0.0, -100.0),
        };
        match action.kind {
            Kind::Start => plank.velocity += velocity,
            Kind::Stop => plank.velocity -= velocity,
        }
        state.none()
    }

    fn update(&mut self, state: &mut onyx::State<Action>) -> onyx::Transition {
        let min = Vec2::zero();
        let max = state.context().size();
        self.ball.center += self.ball.velocity * state.context().dt();
        self.left_plank.center += self.left_plank.velocity * state.context().dt();
        self.right_plank.center += self.right_plank.velocity * state.context().dt();
        if self.ball.max().x > max.x - self.right_plank.size.x && self.ball.max().x < max.x {
            if self.ball.min().y < self.right_plank.max().y && self.ball.max().y > self.right_plank.min().y {
                self.ball.center.x = max.x - self.right_plank.size.x - 0.5 * self.ball.size.x;
                self.ball.velocity.x = -self.ball.velocity.x;
            }
        }
        if self.ball.min().x > max.x {
            self.ball.center.x = 0.5 * (max.x - min.x);
            self.left_score += 1;
            state.ui().set_text("left", &self.left_score.to_string());
        }
        if self.ball.min().x < min.x + self.left_plank.size.x && self.ball.max().x > min.x {
            if self.ball.min().y < self.left_plank.max().y && self.ball.max().y > self.left_plank.min().y {
                self.ball.center.x = min.x + self.left_plank.size.x + 0.5 * self.ball.size.x;
                self.ball.velocity.x = -self.ball.velocity.x;
            }
        }
        if self.ball.max().x < min.x {
            self.ball.center.x = 0.5 * (max.x - min.x);
            self.right_score += 1;
            state.ui().set_text("right", &self.right_score.to_string());
        }
        if self.ball.min().y < min.y {
            self.ball.center.y = min.y + 0.5 * self.ball.size.y;
            self.ball.velocity.y = -self.ball.velocity.y;
        }
        if self.ball.max().y > max.y {
            self.ball.center.y = max.y - 0.5 * self.ball.size.y;
            self.ball.velocity.y = -self.ball.velocity.y;
        }
        state.graph().set_position(self.ball.transform, self.ball.center);
        state.graph().set_position(self.left_plank.transform, self.left_plank.center);
        state.graph().set_position(self.right_plank.transform, self.right_plank.center);
        state.none()
    }
Source

pub fn context(&self) -> Rc<Context>

Examples found in repository?
examples/example-pong.rs (line 67)
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    fn new(state: &mut onyx::State<Action>) -> Self {
        let size = state.context().size();
        let plank_size = Vec2::new(10.0, 100.0);
        let left_plank = Rect::new(state, 0.5 * Vec2::new(plank_size.x, size.y), plank_size, Vec2::zero());
        let right_plank = Rect::new(state, Vec2::new(size.x - 0.5 * plank_size.x, 0.5 * size.y), plank_size, Vec2::zero());
        let ball_size = Vec2::new(20.0, 20.0);
        let ball = Rect::new(state, 0.5 * size, ball_size, Vec2::new(100.0, 100.0));
        state.ui().build(onyx::ui::panel()
            .layout(onyx::ui::Layout::Horizontal)
            .alignment(onyx::ui::Alignment::Center, onyx::ui::Alignment::Min)
            .child(onyx::ui::label("0").id("left"))
            .child(onyx::ui::label(":"))
            .child(onyx::ui::label("0").id("right"))
        );
        let mut keys = HashMap::new();
        keys.insert(onyx::Key::W, (Direction::Up, Plank::Left));
        keys.insert(onyx::Key::S, (Direction::Down, Plank::Left));
        keys.insert(onyx::Key::Up, (Direction::Up, Plank::Right));
        keys.insert(onyx::Key::Down, (Direction::Down, Plank::Right));
        Scene { 
            left_plank,
            right_plank,
            ball,
            left_score: 0,
            right_score: 0,
            keys,
        }
    }

    fn event(&mut self, event: onyx::Event) -> Option<Action> {
        match event {
            onyx::Event::KeyPressed(key) => {
                if let Some(&(direction, plank)) = self.keys.get(&key) {
                    Some(Action { direction, plank, kind: Kind::Start })
                } else {
                    None
                }
            },
            onyx::Event::KeyReleased(key) => {
                if let Some(&(direction, plank)) = self.keys.get(&key) {
                    Some(Action { direction, plank, kind: Kind::Stop })
                } else {
                    None
                }
            },
            _ => None,
        }
    }

    fn action(&mut self, action: Self::Action, state: &mut onyx::State<Action>) -> onyx::Transition {
        let plank = match action.plank {
            Plank::Left => &mut self.left_plank,
            Plank::Right => &mut self.right_plank,
        };
        let velocity = match action.direction {
            Direction::Down => Vec2::new(0.0, 100.0),
            Direction::Up => Vec2::new(0.0, -100.0),
        };
        match action.kind {
            Kind::Start => plank.velocity += velocity,
            Kind::Stop => plank.velocity -= velocity,
        }
        state.none()
    }

    fn update(&mut self, state: &mut onyx::State<Action>) -> onyx::Transition {
        let min = Vec2::zero();
        let max = state.context().size();
        self.ball.center += self.ball.velocity * state.context().dt();
        self.left_plank.center += self.left_plank.velocity * state.context().dt();
        self.right_plank.center += self.right_plank.velocity * state.context().dt();
        if self.ball.max().x > max.x - self.right_plank.size.x && self.ball.max().x < max.x {
            if self.ball.min().y < self.right_plank.max().y && self.ball.max().y > self.right_plank.min().y {
                self.ball.center.x = max.x - self.right_plank.size.x - 0.5 * self.ball.size.x;
                self.ball.velocity.x = -self.ball.velocity.x;
            }
        }
        if self.ball.min().x > max.x {
            self.ball.center.x = 0.5 * (max.x - min.x);
            self.left_score += 1;
            state.ui().set_text("left", &self.left_score.to_string());
        }
        if self.ball.min().x < min.x + self.left_plank.size.x && self.ball.max().x > min.x {
            if self.ball.min().y < self.left_plank.max().y && self.ball.max().y > self.left_plank.min().y {
                self.ball.center.x = min.x + self.left_plank.size.x + 0.5 * self.ball.size.x;
                self.ball.velocity.x = -self.ball.velocity.x;
            }
        }
        if self.ball.max().x < min.x {
            self.ball.center.x = 0.5 * (max.x - min.x);
            self.right_score += 1;
            state.ui().set_text("right", &self.right_score.to_string());
        }
        if self.ball.min().y < min.y {
            self.ball.center.y = min.y + 0.5 * self.ball.size.y;
            self.ball.velocity.y = -self.ball.velocity.y;
        }
        if self.ball.max().y > max.y {
            self.ball.center.y = max.y - 0.5 * self.ball.size.y;
            self.ball.velocity.y = -self.ball.velocity.y;
        }
        state.graph().set_position(self.ball.transform, self.ball.center);
        state.graph().set_position(self.left_plank.transform, self.left_plank.center);
        state.graph().set_position(self.right_plank.transform, self.right_plank.center);
        state.none()
    }
Source

pub fn graph(&mut self) -> &mut TransformSystem

Examples found in repository?
examples/example-pong.rs (line 48)
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    fn new(state: &mut onyx::State<Action>, center: Vec2, size: Vec2, velocity: Vec2) -> Rect {
        let transform = state.graph().add(center, Vec2::new(1.0, 1.0));
        let child = state.graph().add_child(transform, -0.5 * size, size);
        state.renderer().add(child);
        Self { center, size, velocity, transform }
    }

    fn min(&self) -> Vec2 {
        self.center - 0.5 * self.size
    }

    fn max(&self) -> Vec2 {
        self.center + 0.5 * self.size
    }
}

impl onyx::Scene for Scene {
    type Action = Action;

    fn new(state: &mut onyx::State<Action>) -> Self {
        let size = state.context().size();
        let plank_size = Vec2::new(10.0, 100.0);
        let left_plank = Rect::new(state, 0.5 * Vec2::new(plank_size.x, size.y), plank_size, Vec2::zero());
        let right_plank = Rect::new(state, Vec2::new(size.x - 0.5 * plank_size.x, 0.5 * size.y), plank_size, Vec2::zero());
        let ball_size = Vec2::new(20.0, 20.0);
        let ball = Rect::new(state, 0.5 * size, ball_size, Vec2::new(100.0, 100.0));
        state.ui().build(onyx::ui::panel()
            .layout(onyx::ui::Layout::Horizontal)
            .alignment(onyx::ui::Alignment::Center, onyx::ui::Alignment::Min)
            .child(onyx::ui::label("0").id("left"))
            .child(onyx::ui::label(":"))
            .child(onyx::ui::label("0").id("right"))
        );
        let mut keys = HashMap::new();
        keys.insert(onyx::Key::W, (Direction::Up, Plank::Left));
        keys.insert(onyx::Key::S, (Direction::Down, Plank::Left));
        keys.insert(onyx::Key::Up, (Direction::Up, Plank::Right));
        keys.insert(onyx::Key::Down, (Direction::Down, Plank::Right));
        Scene { 
            left_plank,
            right_plank,
            ball,
            left_score: 0,
            right_score: 0,
            keys,
        }
    }

    fn event(&mut self, event: onyx::Event) -> Option<Action> {
        match event {
            onyx::Event::KeyPressed(key) => {
                if let Some(&(direction, plank)) = self.keys.get(&key) {
                    Some(Action { direction, plank, kind: Kind::Start })
                } else {
                    None
                }
            },
            onyx::Event::KeyReleased(key) => {
                if let Some(&(direction, plank)) = self.keys.get(&key) {
                    Some(Action { direction, plank, kind: Kind::Stop })
                } else {
                    None
                }
            },
            _ => None,
        }
    }

    fn action(&mut self, action: Self::Action, state: &mut onyx::State<Action>) -> onyx::Transition {
        let plank = match action.plank {
            Plank::Left => &mut self.left_plank,
            Plank::Right => &mut self.right_plank,
        };
        let velocity = match action.direction {
            Direction::Down => Vec2::new(0.0, 100.0),
            Direction::Up => Vec2::new(0.0, -100.0),
        };
        match action.kind {
            Kind::Start => plank.velocity += velocity,
            Kind::Stop => plank.velocity -= velocity,
        }
        state.none()
    }

    fn update(&mut self, state: &mut onyx::State<Action>) -> onyx::Transition {
        let min = Vec2::zero();
        let max = state.context().size();
        self.ball.center += self.ball.velocity * state.context().dt();
        self.left_plank.center += self.left_plank.velocity * state.context().dt();
        self.right_plank.center += self.right_plank.velocity * state.context().dt();
        if self.ball.max().x > max.x - self.right_plank.size.x && self.ball.max().x < max.x {
            if self.ball.min().y < self.right_plank.max().y && self.ball.max().y > self.right_plank.min().y {
                self.ball.center.x = max.x - self.right_plank.size.x - 0.5 * self.ball.size.x;
                self.ball.velocity.x = -self.ball.velocity.x;
            }
        }
        if self.ball.min().x > max.x {
            self.ball.center.x = 0.5 * (max.x - min.x);
            self.left_score += 1;
            state.ui().set_text("left", &self.left_score.to_string());
        }
        if self.ball.min().x < min.x + self.left_plank.size.x && self.ball.max().x > min.x {
            if self.ball.min().y < self.left_plank.max().y && self.ball.max().y > self.left_plank.min().y {
                self.ball.center.x = min.x + self.left_plank.size.x + 0.5 * self.ball.size.x;
                self.ball.velocity.x = -self.ball.velocity.x;
            }
        }
        if self.ball.max().x < min.x {
            self.ball.center.x = 0.5 * (max.x - min.x);
            self.right_score += 1;
            state.ui().set_text("right", &self.right_score.to_string());
        }
        if self.ball.min().y < min.y {
            self.ball.center.y = min.y + 0.5 * self.ball.size.y;
            self.ball.velocity.y = -self.ball.velocity.y;
        }
        if self.ball.max().y > max.y {
            self.ball.center.y = max.y - 0.5 * self.ball.size.y;
            self.ball.velocity.y = -self.ball.velocity.y;
        }
        state.graph().set_position(self.ball.transform, self.ball.center);
        state.graph().set_position(self.left_plank.transform, self.left_plank.center);
        state.graph().set_position(self.right_plank.transform, self.right_plank.center);
        state.none()
    }
Source

pub fn renderer(&mut self) -> &mut RenderSystem

Examples found in repository?
examples/example-pong.rs (line 50)
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    fn new(state: &mut onyx::State<Action>, center: Vec2, size: Vec2, velocity: Vec2) -> Rect {
        let transform = state.graph().add(center, Vec2::new(1.0, 1.0));
        let child = state.graph().add_child(transform, -0.5 * size, size);
        state.renderer().add(child);
        Self { center, size, velocity, transform }
    }
Source

pub fn is_pressed(&self, key: Key) -> bool

Source

pub fn none(&self) -> Transition

Examples found in repository?
examples/example-ui.rs (line 37)
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    fn action(&mut self, action: Action, state: &mut onyx::State<Action>) -> onyx::Transition {
        match action {
            Action::Increment => self.count += 1,
            Action::Decrement => self.count -= 1,
        }
        state.ui().set_text("count", &self.count.to_string());
        state.none()
    }
More examples
Hide additional examples
examples/example-pong.rs (line 128)
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    fn action(&mut self, action: Self::Action, state: &mut onyx::State<Action>) -> onyx::Transition {
        let plank = match action.plank {
            Plank::Left => &mut self.left_plank,
            Plank::Right => &mut self.right_plank,
        };
        let velocity = match action.direction {
            Direction::Down => Vec2::new(0.0, 100.0),
            Direction::Up => Vec2::new(0.0, -100.0),
        };
        match action.kind {
            Kind::Start => plank.velocity += velocity,
            Kind::Stop => plank.velocity -= velocity,
        }
        state.none()
    }

    fn update(&mut self, state: &mut onyx::State<Action>) -> onyx::Transition {
        let min = Vec2::zero();
        let max = state.context().size();
        self.ball.center += self.ball.velocity * state.context().dt();
        self.left_plank.center += self.left_plank.velocity * state.context().dt();
        self.right_plank.center += self.right_plank.velocity * state.context().dt();
        if self.ball.max().x > max.x - self.right_plank.size.x && self.ball.max().x < max.x {
            if self.ball.min().y < self.right_plank.max().y && self.ball.max().y > self.right_plank.min().y {
                self.ball.center.x = max.x - self.right_plank.size.x - 0.5 * self.ball.size.x;
                self.ball.velocity.x = -self.ball.velocity.x;
            }
        }
        if self.ball.min().x > max.x {
            self.ball.center.x = 0.5 * (max.x - min.x);
            self.left_score += 1;
            state.ui().set_text("left", &self.left_score.to_string());
        }
        if self.ball.min().x < min.x + self.left_plank.size.x && self.ball.max().x > min.x {
            if self.ball.min().y < self.left_plank.max().y && self.ball.max().y > self.left_plank.min().y {
                self.ball.center.x = min.x + self.left_plank.size.x + 0.5 * self.ball.size.x;
                self.ball.velocity.x = -self.ball.velocity.x;
            }
        }
        if self.ball.max().x < min.x {
            self.ball.center.x = 0.5 * (max.x - min.x);
            self.right_score += 1;
            state.ui().set_text("right", &self.right_score.to_string());
        }
        if self.ball.min().y < min.y {
            self.ball.center.y = min.y + 0.5 * self.ball.size.y;
            self.ball.velocity.y = -self.ball.velocity.y;
        }
        if self.ball.max().y > max.y {
            self.ball.center.y = max.y - 0.5 * self.ball.size.y;
            self.ball.velocity.y = -self.ball.velocity.y;
        }
        state.graph().set_position(self.ball.transform, self.ball.center);
        state.graph().set_position(self.left_plank.transform, self.left_plank.center);
        state.graph().set_position(self.right_plank.transform, self.right_plank.center);
        state.none()
    }
Source

pub fn quit(&self) -> Transition

Examples found in repository?
examples/example-transition.rs (line 44)
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    fn action(&mut self, action: Self::Action, state: &mut onyx::State<Self::Action>) -> onyx::Transition {
        match action {
            Action1::Push2 => state.push::<Scene2>(),
            Action1::Switch3 => state.switch::<Scene3>(),
            Action1::Quit => state.quit(),
        }
    }
Source

pub fn pop(&self) -> Transition

Examples found in repository?
examples/example-transition.rs (line 64)
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    fn action(&mut self, action: Self::Action, state: &mut onyx::State<Self::Action>) -> onyx::Transition {
        match action {
            Action2::Pop => state.pop(),
        }
    }
Source

pub fn push<S: Scene + 'static>(&self) -> Transition

Examples found in repository?
examples/example-transition.rs (line 42)
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    fn action(&mut self, action: Self::Action, state: &mut onyx::State<Self::Action>) -> onyx::Transition {
        match action {
            Action1::Push2 => state.push::<Scene2>(),
            Action1::Switch3 => state.switch::<Scene3>(),
            Action1::Quit => state.quit(),
        }
    }
Source

pub fn switch<S: Scene + 'static>(&self) -> Transition

Examples found in repository?
examples/example-transition.rs (line 43)
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    fn action(&mut self, action: Self::Action, state: &mut onyx::State<Self::Action>) -> onyx::Transition {
        match action {
            Action1::Push2 => state.push::<Scene2>(),
            Action1::Switch3 => state.switch::<Scene3>(),
            Action1::Quit => state.quit(),
        }
    }
}

impl onyx::Scene for Scene2 {
    type Action = Action2;

    fn new(state: &mut onyx::State<Self::Action>) -> Self {
        state.ui().build(onyx::ui::panel()
            .layout(onyx::ui::Layout::Vertical)
            .child(onyx::ui::button(|| Action2::Pop)
                .child(onyx::ui::label("Pop"))
            )
        );
        Scene2
    }

    fn action(&mut self, action: Self::Action, state: &mut onyx::State<Self::Action>) -> onyx::Transition {
        match action {
            Action2::Pop => state.pop(),
        }
    }
}

impl onyx::Scene for Scene3 {
    type Action = Action3;

    fn new(state: &mut onyx::State<Self::Action>) -> Self {
        state.ui().build(onyx::ui::panel()
            .layout(onyx::ui::Layout::Vertical)
            .child(onyx::ui::button(|| Action3::Switch1)
                .child(onyx::ui::label("Switch 1"))
            )
        );
        Scene3
    }

    fn action(&mut self, action: Self::Action, state: &mut onyx::State<Self::Action>) -> onyx::Transition {
        match action {
            Action3::Switch1 => state.switch::<Scene1>(),
        }
    }

Auto Trait Implementations§

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impl<Action> Freeze for State<Action>

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impl<Action> !RefUnwindSafe for State<Action>

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impl<Action> !Send for State<Action>

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impl<Action> !Sync for State<Action>

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impl<Action> Unpin for State<Action>

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impl<Action> !UnwindSafe for State<Action>

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