gibber.core.lib/js/triggers.js

small set of core objects and functions for gibber

module.exports = function( Gibber ) {

const Pattern = Gibber.Pattern

const Triggers = function( __values ) {
  const values = __values.split('')
  const pattern = Pattern( ...values ) 
  pattern.isPattern = true
  pattern.type = 'Triggers'
  // need to define custom function to use key as value
  pattern.onrender = function( rendered ) {
    rendered.addFilter( new Function( 'args', 'ptrn', 
     `let sym = args[ 0 ],
          velocity = parseInt( sym, 16 ) / 15

      if( isNaN( velocity ) ) {
        velocity = 0
      }

      if( velocity !== 0 ) {
        ptrn.seq.target.__triggerLoudness = velocity
      }

      ptrn.output = {
        time : Gibberish.Clock.time( ${1/values.length} ),
        shouldExecute: sym !== '.' ? 1 : 0
      }

      args[0] = ptrn.output

      return args`
    ))
  }

  return pattern
}

return Triggers

}