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import Tone from 'tone'
import Sampler from './lib/sampler'
import draw from './draw'
import keys from './lib/keys'
import mouse from './lib/mouse'
import output from './lib/output'
import spectrum from './lib/spectrum'
import { Hall } from './lib/hall'
import {
requestAudioContext,
lerp,
} from './lib/util'
// const root = 440
const HALLWAY_LENGTH = 147
// const SPEAKER_COUNT = 16
// let notes = [299, 336, 374, 399, 449, 498, 561, 598].map(i => i/2)
// notes = notes.concat(notes.map(i => i/2))
let samplers = {}
let sampler
requestAudioContext( () => {
// sampler = samplers.smash = new Sampler('samples/smash/g{}.mp3', 12)
sampler = samplers.earth = new Sampler('samples/earth/earth{}.mp3', 20)
// sampler = samplers.glass = new Sampler('samples/glass/0{}Particle.mp3', 20)
// sampler = samplers.bong = new Sampler('samples/bong/bong{}.mp3', 10)
// sampler = samplers.kalimba = new Sampler('samples/kalimba/380731__cabled-mess__sansula-08-c-raw.wav', 10)
samplers.choice = (m,n) => {
const r = Math.random()
if (r < m) return samplers.smash
if (r < m+n) return samplers.kalimba
return samplers.glass
}
Tone.Buffer.on('load', function(){
console.log('all buffers are loaded.')
// redraw()
})
})
// const hall = new Hall ({
// length: HALLWAY_LENGTH,
// speakers: SPEAKER_COUNT,
// })
function redraw(){
draw.clear()
}
let last_lin_bins, last_sam
let timeout
function manipulate(x, y, pcm, spec){
if (timeout) return null
timeout = setTimeout( () => { timeout = null }, 20 )
// reverseSpectrum,
// shuffleSpectrum,
// invertSpectrum
// const pcm_rev = pcm.slice().reverse()
// const spec_rev = spectrum.toSpectrum(pcm_rev, spec.sr)
// return spec_rev
// return spectrum.reverseSpectrum(spec)
// const log_bins = spectrum.logarithmicBins(spec)
// let lin_bins = (x * x * x * spec.fft_size/6)|0
// let sam = (y * sampler.length)|0 + 1
// if (lin_bins == last_lin_bins && sam == last_sam) return null
// last_lin_bins = lin_bins
// last_sam = sam
// const log_bins = spectrum.linearBins(spec, lin_bins)
// const new_bins = spectrum.reverseBins(log_bins)
// const concat_bins = spectrum.concatBins(new_bins)
// const new_spec = spectrum.reorderBins(spec, concat_bins)
// console.log(spec, new_spec)
// let new_spec = spectrum.cloneSpectrum(spec)
// new_spec = spectrum.rotatePhase(new_spec, x * Math.PI)
let new_spec = spectrum.rotateSpectrum(spec, x)
return new_spec
}
keys.listen(i => {
trigger(xx + i/50, yy, 0, sampler)
})
let xx = 0.5, yy = 0.5
mouse.register({
down: (x, y) => {
redraw()
clearTimeout(timeout)
timeout = null
trigger(x, y, 0, sampler)
},
move: (x, y) => {
xx = x
yy = y
},
drag: (x, y) => {
trigger(x, y, 0, sampler)
},
// up: (x, y) => {
// },
})
function trigger(x, y, t, source){
x = x || 0
y = y || 0
t = t || 0
t += Tone.now()
source = source || sampler
// source = source || last_dist > 40
// ? samplers.choice(0.2, 0.2)
// : samplers.choice((1-y) * 0.2, y*0.02)
// const freq = notes[Math.floor(x * notes.length)]
// const { speaker, player } = hall.play(source, y, freq, x, t)
const { pcm, spec } = source.getWaveAndSpectrum(y)
if (! pcm) return
const new_spec = manipulate(x, y, pcm, spec)
if (! new_spec) return
draw.clear()
// draw.waveform(pcm)
draw.spectrum(spec, 0, window.innerHeight/4 + 20)
const audioBuffer = spectrum.fromSpectrum(new_spec)
draw.waveform(audioBuffer.getChannelData(0))
const player = new Tone.Player(audioBuffer)
player.connect(output)
player.start(Tone.now())
// const new_spec = spectrum.toSpectrum(audioBuffer.getChannelData(0), sr)
draw.spectrum(new_spec, 0, window.innerHeight * 1/2 + 40)
draw.triangle(
lerp(x, 0, 1) * window.innerWidth,
lerp(y, 0, 1) * window.innerHeight - 20,
40
)
}
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