Trait ShellHooks 

pub trait ShellHooks {
    // Required method
    fn frame_input(&mut self, sim: &Sim) -> FrameInput;

    // Provided method
    fn on_frame(&mut self, _sim: &mut Sim, _dt: Duration) { ... }
}

Per-frame hooks the game implements.

Required Methods

fn frame_input(&mut self, sim: &Sim) -> FrameInput

Build this frame’s viewport snapshot from sim and UI state.

Provided Methods

fn on_frame(&mut self, _sim: &mut Sim, _dt: Duration)

Variable-rate hook (tweens, audio, autosave timers).

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors