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script.js
41 lines (33 loc) · 837 Bytes
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script.js
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let fft;
class Particle {
constructor(position) {
this.position = position;
this.speed = createVector(0, 1);
this.color = [random(0, 255), random(0, 255), random(0, 255)];
this.draw = () => {
circle(this.position.x, this.position.y, this.diameter);
fill(this.color);
}
this.update = (energy) => {
this.position.y += this.speed.y * energy * 10;
if (this.position.y > height) {
this.position.y = 0;
}
this.diameter = random(5, 7) + energy * 100;
}
}
}
function setup() {
createCanvas(windowWidth, windowHeight);
noStroke();
let mic = new p5.AudioIn();
mic.start();
fft = new p5.FFT();
fft.setInput(mic);
positionParticles();
}
function draw() {
background(0, 0, 0);
let spectrum = fft.analyze();
updateParticles(spectrum);
}