Trait piston::UpdateEvent

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

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

When the application state should be updated.

Required methods

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

Creates an update event.

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

Calls closure if this is an update event.

Loading content...

Provided methods

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

Creates an update event with delta time.

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

Returns update arguments.

Loading content...

Implementors

impl UpdateEvent for Event

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

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

Loading content...