From dc4d7b588661a8b8096a682ecbc9b06b88089bba Mon Sep 17 00:00:00 2001
From: John Shaver <john@jshaver.net>
Date: Wed, 12 Dec 2018 12:23:44 -0800
Subject: [PATCH] Fine-tuned the breathing algorithm.

---
 runSchedule.js | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/runSchedule.js b/runSchedule.js
index c58544b..ecdbaac 100644
--- a/runSchedule.js
+++ b/runSchedule.js
@@ -41,19 +41,25 @@ let render = setInterval(() => {
 			if(ledRed.digitalRead()) {
 				return ledRed.digitalWrite(0);
 			}
-			return ledGreen.hardwarePwmWrite(HZ, getBrightness(Date.now()));
+			if(!ledGreen.digitalRead()) {
+				return ledGreen.digitalWrite(1);
+			}
+			//Commenting out.  Probably don't need breathing on green leds
+			//return ledGreen.hardwarePwmWrite(HZ, getBrightness(Date.now()));
 			break;
 	}
 }, 50);
 
 function getBrightness(x) {
-	return Math.floor(breathingCurve(x, 3000, 1000000, 100000));
+	return Math.floor(breathingCurve(x, 5000, 100000, 1000000));
 }
 
-function breathingCurve(x, interval = 3000, max, min) {
-	let t = (x)/interval;
-	let y = (Math.sin(t) + 1)/2;
-	return ((max-min) * y) + min;
+function breathingCurve(x, interval = 3000, min, max) {
+	let t = x * Math.PI/(interval/2);
+	let y = Math.sin(t + Math.sin(t) * 0.2);
+        let untranslatedY = Math.sin(t + Math.sin(t) * 0.25);
+        y = (untranslatedY + 1)/2;
+	return y * (max - min) + min;
 }
 
 function splitAtMidnight(arr) {