genish.js/js/bang.js

gen~ in js

'use strict'

let gen = require('./gen.js')

let proto = {
  gen() {
    gen.requestMemory( this.memory )
    
    let out = 
`  var ${this.name} = memory[${this.memory.value.idx}]
  if( ${this.name} === 1 ) memory[${this.memory.value.idx}] = 0      
      
`
    gen.memo[ this.name ] = this.name

    return [ this.name, out ]
  } 
}

module.exports = ( _props ) => {
  let ugen = Object.create( proto ),
      props = Object.assign({}, { min:0, max:1 }, _props )

  ugen.name = 'bang' + gen.getUID()

  ugen.min = props.min
  ugen.max = props.max

  const usingWorklet = gen.mode === 'worklet'
  if( usingWorklet === true ) {
    ugen.node = null
    utilities.register( ugen )
  }

  ugen.trigger = () => {
    if( usingWorklet === true && ugen.node !== null ) {
      ugen.node.port.postMessage({ key:'set', idx:ugen.memory.value.idx, value:ugen.max })
    }else{
      gen.memory.heap[ ugen.memory.value.idx ] = ugen.max 
    }
  }

  ugen.memory = {
    value: { length:1, idx:null }
  }

  return ugen
}