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RippleRegistry

Struct RippleRegistry 

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pub struct RippleRegistry { /* private fields */ }
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Registro de ripples vivos, retenido por el runtime entre frames. Una instancia por ventana; el runtime llama Self::trigger en el press y Self::paint tras el paint del contenido.

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impl RippleRegistry

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pub fn new() -> RippleRegistry

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pub fn trigger( &mut self, key: u64, lx: f32, ly: f32, color: AlphaColor<Srgb>, duration: Duration, now: Instant, )

Registra una salpicadura nueva sobre el nodo de key key, originada en (lx, ly) relativo a su rect. now es el instante del press. Varios presses rápidos apilan ondas concurrentes (como Material).

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pub fn animating(&self) -> bool

true si hay alguna salpicadura viva (el runtime ya lo sabe por el retorno de Self::paint, pero es cómodo para decidir antes).

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pub fn paint<Msg>( &mut self, scene: &mut Scene, mounted: &Mounted<Msg>, computed: &ComputedLayout, now: Instant, ) -> bool

Pinta las salpicaduras vivas sobre scene, cada una como un círculo que crece (radio con ease-out hasta cubrir el nodo) y se desvanece, recortado al contorno redondeado del nodo. Resuelve el rect de cada nodo por su ripple.key en mounted/computed (así sigue al nodo si se redimensiona). Descarta las agotadas. Devuelve true si queda alguna viva → pedir frame.

Llamar DESPUÉS del paint del contenido (la onda va encima, translúcida).

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impl Default for RippleRegistry

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fn default() -> RippleRegistry

Returns the “default value” for a type. Read more

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