Trait conrod::backend::piston::event::UpdateEvent

pub trait UpdateEvent {
    fn from_update_args(args: &UpdateArgs, old_event: &Self) -> Option<Self>;
    fn update<U, F>(&self, f: F) -> Option<U>
    where
        F: FnMut(&UpdateArgs) -> U;

    fn from_dt(dt: f64, old_event: &Self) -> Option<Self> { ... }
    fn update_args(&self) -> Option<UpdateArgs> { ... }
}

When the application state should be updated

Required Methods

fn from_update_args(args: &UpdateArgs, old_event: &Self) -> Option<Self>

Creates an update event.

fn update<U, F>(&self, f: F) -> Option<U> where
    F: FnMut(&UpdateArgs) -> U, 

Calls closure if this is an update event.

Provided Methods

fn from_dt(dt: f64, old_event: &Self) -> Option<Self>

Creates an update event with delta time.

fn update_args(&self) -> Option<UpdateArgs>

Returns update arguments.

Implementations on Foreign Types

impl<I> UpdateEvent for Event<I> where
    I: GenericEvent, 

fn from_update_args(
    args: &UpdateArgs,
    _old_event: &Event<I>
) -> Option<Event<I>>

fn update<U, F>(&self, f: F) -> Option<U> where
    F: FnMut(&UpdateArgs) -> U, 

fn from_dt(dt: f64, old_event: &Self) -> Option<Self>

fn update_args(&self) -> Option<UpdateArgs>

Implementors

• impl UpdateEvent for Input