Duration Reference Interpolation Structure Reference

Interpolation

public struct Interpolation : Intervallic

Interpolation between two Tempo values.

Metric
Undocumented
Declaration
Swift

public typealias Metric = Fraction

Cases

start
Start tempo.
Declaration
Swift

public let start: Tempo
end
End tempo.
Declaration
Swift

public let end: Tempo
length
Metrical duration.
Declaration
Swift

public let length: Fraction
easing
Easing of Interpolation.
Declaration
Swift

public let easing: Easing

Instance Properties

duration
Concrete duration of Interpolation, in seconds.
Declaration
Swift

public var duration: Double { get }

Initializers


                    
                    
                    init(start:end:length:easing:)

Creates an Interpolation with the given start and end Tempo values, lasting for the given metrical duration.

Declaration

Swift

public init(
    start: Tempo = Tempo(60),
    end: Tempo = Tempo(60),
    length: Fraction = Fraction(1,4),
    easing: Easing = .linear
)

init(tempo:length:)
Creates a static Interpolation with the given tempo, lasting for the given metrical duration.
Declaration
Swift

public init(tempo: Tempo, length: Fraction = Fraction(1,4))

Instance Properties

tempo(at:)
Declaration
Swift

public func tempo(at offset: Fraction) -> Tempo
Return Value

The effective tempo at the given metrical offset.
secondsOffset(for:)
Todo

Change Double -> Seconds
Declaration
Swift

public func secondsOffset(for metricalOffset: Fraction) -> Double
Return Value

The concrete offset in seconds of the given symbolic Duration offset. If the easing type is .linear, this method gives an exact answer; otherwise, it uses an approximation method with complexity linear in the magnitude of metricalOffset.

Fragment
A fragment of a Tempo.Interpolation.
See more
Declaration
Swift

public struct Fragment

Fragmentable

fragment(in:)
Declaration
Swift

public func fragment(in range: Range<Fraction>) -> Fragment
Return Value

a Tempo.Interpolation.Fragment in the given range.

Easing
Undocumented
See more
Declaration
Swift

public enum Easing

Collection
An ordered, contiguous collection of Tempo.Interpolation.Fragments indexed by their fractional offset.
Declaration
Swift

typealias Collection = ContiguousSegmentCollection<Tempo.Interpolation>