let osc, fft;
var wave;
let myFont;
var button;
var slider;
var playing = false
let txt, txtSize, txtOptions;
let inp;

function preload() {
	myFont = loadFont('data/fonts/Lausanne/Lausanne-300.otf')

}

function setup() {
  createCanvas(windowWidth, windowHeight);

  osc = new p5.TriOsc(); // set frequency and type
  osc.amp(0.5);

  fft = new p5.FFT();
  osc.start();
  
 // 	slider = createSlider(1, 1200, 440);
	// slider.position(100, 100)

	inp = createInput('A');
	inp.position(100, 150);
	inp.input(updateInput);
	txt = 'A';
	txtSize = 600;
	txtOptions = { //amounts of points using
		sampleFactor: .15,
		simplifyThreshold: 0
	}
	genType()

}


function genType() {
	pts = myFont.textToPoints(txt, 0, 0, txtSize, txtOptions)
	bounds = myFont.textBounds(txt, 0, 0, txtSize, txtOptions);
}

function updateInput() {

	txt = inp.value();
	genType()
}

function draw() {
  background(0,255);

  let waveform = fft.waveform(); // analyze the waveform
  //beginShape();
  //strokeWeight(5);
  //for (let i = 0; i < waveform.length; i++) {
  //  let x = map(i, 0, waveform.length, 0, width);
  //  let y = map(waveform[i], -1, 1, height, 0);
  //  vertex(x, y);
  //}
  //endShape();

	push();
	translate(width / 2, height / 2-200);
	translate(-bounds.w / 2, bounds.h / 2)
	beginShape();
// stroke(255)
// noStroke()
blendMode(DIFFERENCE)
 fill(255)
	
	strokeWeight(2);

	for(let i = 0; i < pts.length; i++) {
		let aWave = waveform[ceil(map(i, 0, pts.length, 0, waveform.length))]
		let aFFT = fft[ceil(map(i, 0, pts.length, 0, fft.length))]
		let x = map(i, 0, pts.length - 1, 0, width);
		vertex(pts[i].x, pts[i].y * ((aWave * TWO_PI)));
		vertex(pts[i].x, pts[i].y * (sin(aWave * TWO_PI)));
		vertex(pts[i].x, pts[i].y * (cos(aWave * TWO_PI)));
		

	}
	endShape();

	pop();


  // change oscillator frequency based on mouseX
  let freq = map(mouseX, 0, width, 40, 880);
  osc.freq(freq);

  let amp = map(mouseY, 0, height, 1, 0.01);
  osc.amp(amp);
}

//TYPE REACTING ON SOUND WAVE / SINUS, TRIANGLE, SQUARE, TOOTHSAW
//THESIS WORKSHOP DAY
//CC ALAIN BRUSCH

var wave;
let myFont;
var button;
var slider;
var playing = false
let txt, txtSize, txtOptions;
let inp;

function preload() {
	myFont = loadFont('data/fonts/AkzidenzGrotesk-LightExtended.otf') // <-- YOUR LOCAL .OTF – FONTFILE

}

function setup() {
	createCanvas(windowWidth, windowHeight);
	background(0)
	wave = new p5.Oscillator();
	slider = createSlider(1, 1200, 440);
	slider.position(100, 100)
	
  
	wave.setType('sine'); //change between 'sine' or 'triagle' or 'toothsaw' or 'square'
	wave.start();
	wave.freq(440);
	wave.amp(0);

	inp = createInput('A');
	inp.position(100, 150);
	inp.input(updateInput);
	txt = 'A';
	txtSize = 200;
	txtOptions = { //amounts of points using
		sampleFactor: .15,
		simplifyThreshold: 0
	}
	genType()
	button = createButton('play/pause');
	button.mousePressed(toggle);
	button.position(250, 100)
	setupAudio();

}

function genType() {
	pts = myFont.textToPoints(txt, 0, 0, txtSize, txtOptions)
	bounds = myFont.textBounds(txt, 0, 0, txtSize, txtOptions);
}


function updateInput() {

	txt = inp.value();
	genType()
}

function draw() {
	/* audio vars: amp, ampEase, fft, waveform */
	updateAudio();


	wave.freq(slider.value());
	clear()
	stroke(255);
	noFill();
	/* waveform */
	beginShape();
	for(let i = 0; i < waveform.length; i++) {
		let freq = waveform[i] * height / 4; // (-1, 1);
		let x = map(i, 0, waveform.length, 0, width);
		curveVertex(x, height / 2 + freq);
	}
	endShape();

	push();
	translate(width / 2, height / 2);
	translate(-bounds.w / 2, bounds.h / 2)
	beginShape(QUAD_STRIP);
	noFill();
	stroke(255);
	// fill(255)
	strokeWeight(1);
	for(let i = 0; i < pts.length; i++) {
		let aWave = waveform[ceil(map(i, 0, pts.length, 0, waveform.length))]
		let aFFT = fft[ceil(map(i, 0, pts.length, 0, fft.length))]
		let x = map(i, 0, pts.length - 1, 0, width);
		vertex(pts[i].x, pts[i].y * ((aWave * 10)));

	}
	endShape();

	pop();
	print(slider.value())


}

function toggle() {
	if(!playing) {
		wave.amp(0.5, 1);
		playing = true;
	} else {
		wave.amp(0, 1);
		playing = false;
	}
}

/* AUDIO INIT */
let mic, fftRaw, fft = [],
	waveform = [],
	amp = 0.0,
	ampStereo = {
		l: 0.0,
		r: 0.0
	},
	ampEase = 0.0,
	numBins = 512,
	bands = 12;

function setupAudio() {
	userStartAudio();
	mic = new p5.AudioIn();
	mic.start();
	fftRaw = new p5.FFT(0.75, numBins);
	fftRaw.setInput(mic);
}

function updateAudio() {
	fftRaw.analyze();
	amp = mic.getLevel() * 1000; // average mixed amplitude
	ampStereo.l = mic.amplitude.getLevel(0) * 500; // average left amplitude
	ampStereo.r = mic.amplitude.getLevel(1) * 500; // average right amplitude
	ampEase = ease(amp, ampEase, 0.075); // smooth 'amp'
	waveform = fftRaw.waveform(); // array (-1, 1)
	fft = fftRaw.logAverages(fftRaw.getOctaveBands(bands)); // array (0, 255)
}