p5.gibber.js/p5.gibber.test.donotpush/sketch.js

Music and audio programming for p5.js

var ranNotes = [12,11,9,7,5,4,2,0,-1],
beets = [1, 1/1.5, 1/2, 1/2, 1/3, 1/3,1/6, 1/4, 1/4, 1/4,1/8, 1/8,1/8,1/16,
1/16, 1/32];
function setup () {
	//canvas = createCanvas( windowWidth, windowHeight );
	Clock.bpm(floor(random(75,95)))
	songBus = Bus().fx.add( Schizo({chance:.65, pitchChance: 0,
    rate:ms(Clock.bpm.value/2), length:ms(Clock.bpm.value * 2)}), Reverb('large'))
	drum = XOX('x*o*x*o-x*o*x*oox*o*x*o-x*o*xxoo', 1/8);
	m = Synth('bleepEcho')
	m2 = Pluck()
	drum.send(songBus, .25)
	m.send(songBus, .45)
	m2.send(songBus, 1)
	songBus.amp(1);
    NewScore();
}

function add(a, b) {
	return a + b;
}

function NewScore() {
	console.log("hiii")
	score= Score([0,
		function(){
			var bR = WholeBeetsReturn(1, floor(random(1,6))),
			nR = NotesReturn(bR.length), bR2 = WholeBeetsReturn(.5, floor(random(1,4))),
			nR2 = NotesReturn(bR2.length);
			m.note.seq(nR, bR);
			m2.note.seq(nR2, bR2);
		}, measures(4)]).start().loop()
}

function WholeBeetsReturn(mul, len) {
	//multiplier is to double, quadruple etc beat lengths
	//len is how many beets you want returned
	var scoreBeets = [], sum;

  	for (var i = 0; i < len; i ++){
  		//grab some beets
  		scoreBeets.push(beets[floor(random(1, beets.length))] * mul);
  	}
	//add contents of beets array
  	sum = scoreBeets.reduce(add, 0);
  	//if the sum is an odd number
  	if (sum %2 != 0) {
  	//sumRound is difference between sum and a whole set of measures
  		var sumRound;
  		console.log ("odd");
  	// if sum will not round to 1, is short phrase
  		if (sum < .5){
  			console.log("less than .5")
  			sumRound = .5 - sum;
  			console.log(sumRound + "sumRound" + (sum + sumRound) + "sum + sumRound")
  			scoreBeets.push(sumRound);
  		}
  		else {
  	// if odd and >= 1,
  	//don't just round but ceiling the amount to round up by by one for simplicity
  	//(no more negatives to deal with
			sumRound = Math.ceil(sum) - sum;
  			if (Math.abs(sum + sumRound) % 2 == 1 && (sum + sumRound) >= 3) {
  				//if this new, larger sum to round plus sum
  				//gonna add up to an odd number like 3, 5, etc add one more to it
  				sumRound = sumRound + 1;
 				console.log(sumRound + "sumRound" + (sum + sumRound) + "sum + sumRoundodd");
  				}
  	//add the time to the array to make it a full even measure count
  			scoreBeets.push(sumRound);
  		}
  	//	return scoreBeets;
  	}
  	return scoreBeets;
};

function NotesReturn (len){
	var notes = [];
	for (var i = 0; i < len; i++){
		notes.push(ranNotes[floor(random(ranNotes.length))])
	}
	return notes;
};