[−]Trait piston::IdleEvent

pub trait IdleEvent {
    fn from_idle_args(args: &IdleArgs, old_event: &Self) -> Option<Self>;

    fn idle<U, F>(&self, f: F) -> Option<U>
    where
        F: FnMut(&IdleArgs) -> U;

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

    fn idle_args(&self) -> Option<IdleArgs> { ... }
}

When background tasks should be performed.

Required methods

fn from_idle_args(args: &IdleArgs, old_event: &Self) -> Option<Self>

Creates an idle event.

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

Calls closure if this is an idle event.

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Provided methods

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

Creates an update event with delta time.

fn idle_args(&self) -> Option<IdleArgs>

Returns idle arguments.

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Implementors

impl IdleEvent for Event

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