Boopadoop.Rhythm

Representing rhythms as rose trees.

Documentation

data Beat a

A rhythm is represented as a rose tree where each subtree is given equal amounts of time. Leaves are either a Beat of type a or empty (a rest).

Constructors

RoseBeat [Beat a]

Beat a

Rest

Instances

SummaryChar a => Show (Beat a)

Show the rhythm by printing the summary characters, or . for rests.

Defined in Boopadoop.Rhythm

Methods

showsPrec :: Int -> Beat a -> ShowS

show :: Beat a -> String

showList :: [Beat a] -> ShowS

class SummaryChar a where

Class for things that can be summarized in a single character, for use in printing out rhythms.

Methods

sumUp :: a -> Char

Instances

SummaryChar DrumRack

Defined in Boopadoop.Rhythm

Methods

sumUp :: DrumRack -> Char

data DrumRack

A rack of drums. Simple enumeration of the different possible drum types.

Constructors

Kick

Snare

Instances

SummaryChar DrumRack

Defined in Boopadoop.Rhythm

Methods

sumUp :: DrumRack -> Char

rockBeat :: Beat DrumRack

The standard rock beat (or half of it) played on the DrumRack

primeBeat :: Beat a -> Beat a

Force there to be only prime divisions of time in the rhythm. This is done without affecting the actual rhythm. This operation is not uniquely valued in any way, and this algorithm prefers small primes first.