add a smoother transition when color changes

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

@@ -1,8 +1,9 @@
 #include <FastLED.h>
 int light = 0;
-int r = 9;
+int r = 9; // define pins
 int g = 10;
 int b = 11;
+int oldavg = 0;
 void setup() {
   Serial.begin(9600);
 }
@@ -15,12 +16,32 @@ void loop() {
     delay(3);
   }
   average /= ss;
-  CRGB color = CHSV(average, 255, 255);
+  if (oldavg == 0) {
+      oldavg = average;
+    }
+  digitalWrite(13, HIGH);
+  if (oldavg != average) {
+    Serial.print("Goal: ");
+    Serial.println(average);
+  }
+  while (oldavg < average) {
+   oldavg ++;
+   setColor(oldavg);
+  }
+  while (oldavg > average) {
+   oldavg --;
+   setColor(oldavg);
+  }
+  digitalWrite(13, LOW);
+  }
+  
+  void setColor(int hue) {
+  CRGB color = CHSV(hue, 255, 255);
   analogWrite(9, color.r);
   analogWrite(10, color.g);
   analogWrite(11, color.b);
   Serial.print("Hue: ");
-  Serial.print(average);
+  Serial.print(hue);
   Serial.print(", RGB : ");
   Serial.print(color.r);
   Serial.print(", ");
@@ -29,13 +50,16 @@ void loop() {
   Serial.println(color.b);
 }
 
-      // END OF CODE                   
+ // END OF CODE
 
-/* Library free version for regular RGB LEDs (tinkercad), using HSV --> RGB code not by me 
+ 
+ /*// Library free version for regular RGB LEDs (tinkercad), using HSV --> RGB code not by me 
  //#include <FastLED.h>
 int light = 0;
+int oldavg = 0;
 void setup() {
   Serial.begin(9600);
+  pinMode(13, OUTPUT);
 }
 
 void loop() {
@@ -46,15 +70,34 @@ void loop() {
     delay(3);
   }
   average /= ss;
+  if(oldavg == 0) {
+      oldavg = average;
+    }
+  digitalWrite(13, HIGH);
+  if(oldavg != average) {
+    Serial.print("Goal: ");
+    Serial.println(average);
+  }
+  while(oldavg < average) {
+   oldavg ++;
+   setColor(oldavg);
+  }
+  while(oldavg > average) {
+   oldavg --;
+   setColor(oldavg);
+  }
+  digitalWrite(13, LOW);
+  }
+  void SetColor(int hue) {
   byte RedLight;
 byte GreenLight;
 byte BlueLight;
 
   // this is the algorithm to convert from RGB to HSV
-  byte h = average;
+  byte h = hue;
   byte s = 255;
   byte v = 60;
-  h = (h * 192) / 256;  // 0..191
+  h = (h * 192) / 256;  // ..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
 
@@ -98,7 +141,7 @@ byte BlueLight;
   }
   //CRGB& color = CHSV(average, 255, 255);
   Serial.print("Hue: ");
-  Serial.print(average);
+  Serial.print(hue);
   Serial.print(", RGB : ");
   Serial.print(RedLight);
   Serial.print(", ");