• Home
• io.underscore
• compose-examples_2.11
• 0.5.0
• source code
• Scale.scala

×

Project download

Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance.
Project price only 1 $

You can buy this project and download/modify it how often you want.

compose.examples.Scale.scala Maven / Gradle / Ivy

package compose.examples

import compose.core._
import scalajs.js.annotation.JSExport

trait Scale {
  import Score._
  import Pitch._

  def scale(base: Score) =
    List(0, 2, 4, 5, 7, 9, 11, 12, 14, 16, 17, 19, 21, 23, 24).
      map(base.transpose).
      reduceLeft(_ ~ _)

  def withDelay(score: Score, duration: Duration): Score =
    score | (Rest(duration) ~ score)
}