Enum Residual 

enum Residual<'a> {
    Leaf {
        window: Range<f64>,
        internal: f64,
        rate: Option<fn(f64) -> f64>,
        track: &'a AudioTrack,
    },
    Node {
        window: Range<f64>,
        internal: f64,
        rate: Option<fn(f64) -> f64>,
        children: Vec<Residual<'a>>,
    },
}

The non-linear remainder of the audio plane, as a compact tree.

Built at bake time from the collected root-to-leaf paths of sound leaves behind non-linear rates, sharing common prefixes so ancestors evaluate once per sample. Every node carries only what the per-sample walk reads — the timing shell and the track reference, ~40 bytes — because sibling scanning is cache-bound: a warp container forces its children to be window-checked per sample, and fat nodes would stream ~2× the bytes. (Every residual node is enabled by construction — the bake skips disabled subtrees.)

Variants

Leaf

Fields

window: Range<f64>

internal: f64

rate: Option<fn(f64) -> f64>

track: &'a AudioTrack

Node

Fields

window: Range<f64>

internal: f64

rate: Option<fn(f64) -> f64>

children: Vec<Residual<'a>>

Implementations

impl Residual<'_>

fn sample_at(&self, x: f64) -> [f32; 2]

This residual branch’s stereo sample at scene time x — point semantics, identical to a full-tree walk restricted to warp paths.