class:: PdegreeToKey
summary:: index into a scale
related:: Classes/Scale
categories:: Streams-Patterns-Events>Patterns>Math

description::

Returns a series of notes derived from an index into a scale.

ClassMethods::

method::new

argument::pattern
integer index into the scale.

argument::scale
an array or pattern. If a pattern, it streams the scales accordingly.

argument::stepsPerOctave
the number of steps per octave in the scale.

Examples::

code::
(
Pbind(\note, PdegreeToKey(
			Pseq([1, 2, 3, 2, 5, 4, 3, 4, 2, 1], 2),
			#[0, 2, 3, 6, 7, 9],
			12
		),
	\dur, 0.25
).play;
)


(
var scales;
scales = #[[0, 2, 3, 6, 7, 9], [0, 1, 5, 6, 7, 9, 11], [0, 2, 3]];
Pbind(\note, PdegreeToKey(
			Pseq([1, 2, 3, 2, 5, 4, 3, 4, 2, 1], 4),
			Pdup(3, Prand(scales, inf)),
			12
		),
	\dur, 0.25
).play;
)
::
