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freqbars.js
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freqbars.js
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const songButton = document.getElementById('play')
const inp = document.getElementById("get-files");
const songs = document.getElementById("songs")
const snacker = document.getElementById("snackbar");
let myheight = 590
let mywidth = 1275
let smth = 0.9
let bins = 1024
let strength = 150
let fval = 180
let maxx = 0
let maxval=255
let mic
let song
let maxxspec
let fft
let state="song"
function setup(Song = `sahara`){
createCanvas(mywidth,myheight)
background(0)
alerter_show()
song = loadSound(`./MUSIC/${Song}.mp3`, success, failed, loading)
mic = new p5.AudioIn()
mic.start()
fft = new p5.FFT(smth,bins)
fft.setInput(song)
}
const success = () => {
console.log('SUCCESS');
snacker.innerHTML = "Tap here to play";
snacker.onclick = () => {
song.play();
songButton.innerHTML = "Pause(mic)";
alerter_hide();
}
}
const failed = () => {
snacker.innerHTML = "Failed to load song, reload page";
console.log('FAILED');
}
const loading = (progress) => {
snacker.innerHTML = `Loading... ${(progress * 100).toFixed(0)} %`;
}
function typed() {
if (song.isPlaying()) {
song.stop()
}
else {
song.play()
fft.setInput(song)
songButton.innerHTML='pause(mic)'
alerter_hide()
}
}
function togglePlay() {
if(song.isPlaying()){
song.pause()
songButton.innerHTML='play'
fft.setInput(mic)
maxval=300
fval=100
state = "mic"
}
else{
song.play()
songButton.innerHTML='pause(mic)'
maxval=255
fval=180
state="song"
}
}
function draw()
{
background(0)
strokeWeight(2)
spectrum = fft.analyze()
//console.log(spectrum)
let imaxx = 0
//check()
maxxspec = max(spectrum)
//console.log(maxxspec)
for(let i=0;i<bins;i++)
{
let f = map(i,0,bins,1,23714)
if(fft.getEnergy(f,f+1) >= strength)
{
if(maxxspec<fval) strength = maxxspec
else strength = fval
let x = map(i,0,bins/4,0,width)
let y = map(spectrum[i],strength,255,height,height/2)
colorx = map(x,0,width/2,0,255)
colory = map(spectrum[i],strength,255,0,maxval)
colorMode(HSB,255)
stroke(colorx,255,colory)
line(x,height,x,0)
}
}
maxx = imaxx
}
//HTML
//<-------------------------------->
inp.onchange = (event) => {
console.log(event)
song.stop()
alerter_show()
song = loadSound(event.target.files[0], typed, failed, loading)
const dropdown = document.createElement("option")
const songname = event.target.files[0].name
dropdown.text = songname.substr(0, 8)
songs.add(dropdown)
}
songs.oninput = (event) => {
alerter_show()
console.log(event.target.value)
song.stop()
song = loadSound(`./MUSIC/${event.target.value}.mp3`, typed, failed, loading)
}
function alerter_show() {
snacker.className = "show"
}
function alerter_hide() {
snacker.className = ""
}
let reset = document.getElementById('reset')
function slides(){
fval = document.getElementById("ranges").value
reset.innerHTML=fval
}
function resets(){
if(state==="song") fval = 180
else fval = 160
reset.innerHTML=fval
document.getElementById("ranges").value=fval
}