Sound line

var mic;

​

function setup() {

  createCanvas(500, 500);

​

  // Create an Audio input

  mic = new p5.AudioIn();

  mic.start();

}

​

function draw() {

  background(90, 109, 255, 10);

​

  noFill();

  stroke(0, 26, 222);

​

  let r = map(mic.getLevel(), 0, 0.7, 0, height);

​

  //noStroke(); 

  //stroke (255, 255, 255)

  //angleMode(RADIANS); // Change the mode to 

  //rectMode(CENTER)

  triangle(width/3 , width/3, 700 , r, r); //position x, y, width, height

  //translate(r, 50);

  //rotate(r); 

}