beautify code and add a few fixes

acrylic-art-code/acrylic-art-code.ino

@@ -1,4 +1,4 @@
-#include <FastLED.h>
+#include < FastLED.h >
 int light = 0;
 int r = 9; // define pins
 int g = 10;
@@ -6,6 +6,7 @@ int b = 11;
 int oldavg = 0;
 void setup() {
   Serial.begin(9600);
+  pinMode(13, OUTPUT);
 }
 
 void loop() {
@@ -15,31 +16,31 @@ void loop() {
     //average += 256-log(256-analogRead(0) / 4) * (256 /5.55); // old linearization
 
     //linearization using resistance to lux relationship 
-    average += (1250000.0 * pow(1023-analogRead(0), -1.4059) - 73) / 2.08; 
+    average += (1250000.0 * pow(1023 - analogRead(0), -1.4059) - 73) / 2.08;
     delay(3);
   }
   average /= ss;
   //Serial.println(average);
-  if(oldavg == 0) {
+  if (oldavg == 0) {
     oldavg = average;
   }
   digitalWrite(13, HIGH);
-  if(oldavg != average) {
+  if (oldavg != average) {
     Serial.print("Goal: ");
     Serial.println(average);
   }
-  while(oldavg < average) {
+  while (oldavg < average) {
     oldavg += 1;
     setColor(oldavg);
   }
-  while(oldavg > average) {
+  while (oldavg > average) {
     oldavg -= 1;
     setColor(oldavg);
   }
   digitalWrite(13, LOW);
-  }
+}
 
-  void setColor(int hue) {
+void setColor(int hue) {
   CRGB color = CHSV(hue, 255, 255);
   analogWrite(9, color.r);
   analogWrite(10, color.g);
@@ -58,7 +59,7 @@ void loop() {
 
  
  /*// Library free version for regular RGB LEDs (tinkercad), using HSV --> RGB code not by me 
- //#include <FastLED.h>
+//#include < FastLED.h >
 int light = 0;
 int oldavg = 0;
 void setup() {
@@ -73,39 +74,39 @@ void loop() {
     //average += 256-log(256-analogRead(0) / 4) * (256 /5.55); // old linearization
 
     //linearization using resistance to lux relationship 
-    average += (1250000.0 * pow(1023-analogRead(0), -1.4059) - 73) / 2.08; 
+    average += (1250000.0 * pow(1023 - analogRead(0), -1.4059) - 73) / 2.08;
     delay(3);
   }
   average /= ss;
   //Serial.println(average);
-  if(oldavg == 0) {
+  if (oldavg == 0) {
     oldavg = average;
   }
   digitalWrite(13, HIGH);
-  if(oldavg != average) {
+  if (oldavg != average) {
     Serial.print("Goal: ");
     Serial.println(average);
   }
-  while(oldavg < average) {
+  while (oldavg < average) {
     oldavg += 1;
     setColor(oldavg);
   }
-  while(oldavg > average) {
+  while (oldavg > average) {
     oldavg -= 1;
     setColor(oldavg);
   }
   digitalWrite(13, LOW);
-  }
-  void SetColor(int hue) {
+}
+void SetColor(int hue) {
   byte RedLight;
-byte GreenLight;
-byte BlueLight;
+  byte GreenLight;
+  byte BlueLight;
 
   // this is the algorithm to convert from RGB to HSV
   byte h = hue;
   byte s = 255;
   byte v = 60;
-  h = (h * 192) / 256;  // ..191
+  h = (h * 192) / 256; // 0..191
   unsigned int i = h / 32; // We want a value of 0 thru 5
   unsigned int f = (h % 32) * 8; // 'fractional' part of 'i' 0..248 in jumps