Lautstärkeampel - OpenProcessing

mySketch
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var mic;
​
function setup() {
  createCanvas(500, 500);
​
  // Create an Audio input
  mic = new p5.AudioIn();
  mic.start();
}
​
function draw() {
​
  
​
​
  //stroke(0);
​
  // Get the overall volume (between 0 and 1.0)
​
​
 
  let r = map(mic.getLevel(), 0, 0.4, 0, height);
​
​
​
background(r, 100, 0, 5);
​
  //rectMode(CENTER);
​
}
​