Struct TweenManager 

pub struct TweenManager { /* private fields */ }

Manages multiple tweens simultaneously.

Example

let mut manager = TweenManager::new();
let id = manager.add_tween(Tween::new(0.0, 1.0, 2.0, Ease::BounceOut));

// In update loop:
let completed = manager.update(dt);
for tag in completed {
    println!("Tween completed: {}", tag);
}

Implementations

impl TweenManager

pub fn new() -> Self

Create a new empty tween manager.

pub fn add_tween<T: Lerp + Copy + 'static>(&mut self, tween: Tween<T>) -> usize

Add a tween. Returns a unique ID.

pub fn get_tween<T: Lerp + Copy + 'static>( &self, id: usize, ) -> Option<&Tween<T>>

Get a tween by ID (downcast to the expected type).

pub fn get_tween_mut<T: Lerp + Copy + 'static>( &mut self, id: usize, ) -> Option<&mut Tween<T>>

Get a mutable tween by ID.

pub fn update(&mut self, dt: f32) -> &[String]

Update all tweens. Returns a list of completed tags.

pub fn stop_all(&mut self)

Stop all tweens.

pub fn count(&self) -> usize

Number of active tweens.

pub fn is_empty(&self) -> bool

Check if there are any active tweens.

Trait Implementations

impl Default for TweenManager

fn default() -> TweenManager

Returns the “default value” for a type.