Struct TempoMarking 

pub struct TempoMarking { /* private fields */ }

A tempo marking with BPM and a “human feel” factor.

Rather than rigid metronomic timing, TempoMarking introduces slight variance around the target BPM, simulating how human musicians (and well-tuned agents) naturally ebb and flow around a target pace.

Implementations

impl TempoMarking

pub fn new(bpm: f64, feel: f64) -> Self

Create a new tempo marking.

pub fn labeled(bpm: f64, feel: f64, label: impl Into<String>) -> Self

Create a tempo marking with a human-readable label.

pub fn bpm(&self) -> f64

The base BPM.

pub fn feel(&self) -> f64

The human-feel factor.

pub fn beat_duration(&self) -> Duration

Duration of one beat at the base BPM.

pub fn beat_with_feel(&self, variation: f64) -> Duration

Duration of one beat with feel applied (± variance). The variation parameter should be in [-1.0, 1.0] and is scaled by feel.

pub fn label(&self) -> Option<&str>

The label, if any.

pub fn largo() -> Self

Well-known tempo: Largo (slow, broad).

pub fn andante() -> Self

Well-known tempo: Andante (walking pace).

pub fn allegro() -> Self

Well-known tempo: Allegro (fast, lively).

pub fn presto() -> Self

Well-known tempo: Presto (very fast).

Trait Implementations

impl Clone for TempoMarking

fn clone(&self) -> TempoMarking

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for TempoMarking

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl PartialEq for TempoMarking

fn eq(&self, other: &TempoMarking) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for TempoMarking