beefchimi

const defaultLFO = {
  type: 'sine',
  freq: 12,
  volume: 40,
};

// Uses same `duration` as "source" oscillator
vibrato(duration, options = {}) {
  const config = Object.assign(defaultLFO, options);

beefchimi

const defaultOptions = {
  speed: 10,
  duration: 1,
  volume: {
    min: 0.1,
    max: 1,
  },
};

tremolo(options = {}) {

beefchimi

_setGain(reverse, duration) {
  this.gainNode.gain.setValueAtTime(1, this.context.currentTime);

  if (reverse) {
    this.gainNode.gain.exponentialRampToValueAtTime(0.5, this.context.currentTime + duration);
  }
}

beefchimi

export default function reverseBuffer(buffer, context) {
  const reverse = context.createBuffer(
    buffer.numberOfChannels,
    buffer.length,
    buffer.sampleRate
  );

  for (let channels = 0; channels < buffer.numberOfChannels; channels++) {
    const dest = reverse.getChannelData(channels);
    const src = buffer.getChannelData(channels);

beefchimi

export default function distortionCurve(amount = 0) {
  const sampleRate = 44100;
  const curve = new Float32Array(sampleRate);
  const deg = Math.PI / 180;

  for (let i = 0; i < sampleRate; ++i) {
    const x = (i * 2 / sampleRate) - 1;
    curve[i] = (
      (
        (3 + amount) * x * 20 * deg

beefchimi

function disabledAudio() {
  return null;
}

export default class SoundToggle {
  constructor(activator, sounds) {
    this.activator = activator;
    this.sounds = sounds;
    this.keys = Object.keys(sounds);
    this.backups = {};

beefchimi

let swappedNode = null;

draggable.on('drag:start', () => {
  SoundFx.Synth.play('up');
});

draggable.on('swappable:swapped', ({swappedElement}) => {
  swappedNode = swappedElement;
  SoundFx.Synth.play('swap');
});

beefchimi

import synthPresets from './helpers/synth-presets';
import methodPatch from './helpers/method-patch';
import MobileAudioFix from './helpers/mobile-audio-fix';

const initialGain = 0.001;

export default class Synth {
  static synthKeys = Object.keys(synthPresets);

  constructor() {

beefchimi

const up = {
  wave: 'sine',
  freq: {
    start: 392,
    end: 493.88,
  },
  volume: 1,
  duration: 0.2,
};

beefchimi

const duration = 0.2;
const volume = {
  min: 0.001,
  max: 1,
};

gainNode.gain.setValueAtTime(
  volume.min,
  context.currentTime
);