Struct TrackJob

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pub struct TrackJob {
    rx: Receiver<((f32, f32, f32), f32)>,
    pub points: Vec<(f32, f32, f32)>,
    pub progress: f32,
}

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§rx: Receiver<((f32, f32, f32), f32)>§points: Vec<(f32, f32, f32)>

Points so far, in PathAsset::points form and always in time order once poll reports done.

§progress: f32

Implementations§

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impl TrackJob

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pub fn start( project: &Project, clip: u64, (cx, cy, hw, hh): (f32, f32, f32, f32), search: f32, refresh: u32, backward: bool, backend: Backend, ) -> Result<Self, String>

Track clip from its head (or its tail, backward) with the box centred on (cx, cy) and half-sized (hw, hh), all in canvas px relative to the centre. refresh re-grabs the template every N frames (0 = never: rigid features drift less without it). Err = nothing to track.

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pub fn poll(&mut self) -> bool

Drain what the worker produced. True while it is still running (the caller keeps repainting).

Auto Trait Implementations§

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impl UnwindSafe for TrackJob

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