From 41b24dabb29ec39a23314cc2138e0cd079faf9da Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Benjamin=20B=C3=A4dorf?= <hello@benjaminbaedorf.eu>
Date: Fri, 7 Jun 2019 20:09:24 +0200
Subject: [PATCH] Added thresholds

---
 src/index.js | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/src/index.js b/src/index.js
index bd48cca..faf77c0 100644
--- a/src/index.js
+++ b/src/index.js
@@ -2,6 +2,7 @@ import p5 from 'p5';
 import './index.scss';
 
 const FFT_SIZE = 256;
+const VOLUME_THRESHOLD = 20;
 
 function getRMS(spectrum) {
   let rms = 0;
@@ -85,12 +86,15 @@ async function main() {
       fresh = false;
       sketch.background(sketch.color(0, 0, 0));
 
-      bars.push({
-        x: getRandomX(),
-        volume,
-        pitch,
-        age: 1,
-      });
+      if (volume > VOLUME_THRESHOLD) {
+        bars.push({
+          x: getRandomX(),
+          volume,
+          pitch,
+          age: 1,
+        });
+      }
+
       const newBars = [];
       for (const bar of bars) {
         sketch.fill(sketch.color(0, (bar.volume / volumeThreshold) * 255, 255));