colorGrowth.ino

/*
 *  Take on the color of the dominant Blink attached
 */

byte myState = 0;
Color colors[] = {OFF, BLUE, RED, YELLOW, ORANGE, GREEN};

void setup() {
  // put your setup code here, to run once:
  setValueSentOnAllFaces( myState );
}

void loop() {
  // put your main code here, to run repeatedly:
  if ( buttonSingleClicked() ) {
    myState++;
    if (myState >= COUNT_OF(colors)) {
      myState = 0;
    }
  }

  FOREACH_FACE( f ) {
    if ( !isValueReceivedOnFaceExpired( f )  ) {
      // update to the value we see, if the value is already our value, do nothing
      byte neighborState = getLastValueReceivedOnFace( f );
      if ( neighborState > myState ) {
        myState = neighborState;
      }
    }
  }

  setColor(dim( colors[myState], 190 + 55 * sin_d( (millis()/10) % 360)));
  setValueSentOnAllFaces( myState );
}


// Sin in degrees ( standard sin() takes radians )

float sin_d( uint16_t degrees ) {

    return sin( ( degrees / 360.0F ) * 2.0F * PI   );
}