Phythm Visualizer small fix

Author: 203Null

Applications/Note/Arpeggiator.cpp

@@ -737,4 +737,8 @@ void Arpeggiator::SetDivision(ArpDivision div) {
         // Note: We can't call StepArpeggiator here since we don't have output queue
         // The force start will happen on the next Tick()
     }
+}
+
+bool Arpeggiator::Active(){
+    return enabled && division != DIV_OFF && !notePool.empty();
 }

Applications/Note/Arpeggiator.h

@@ -138,4 +138,6 @@ class Arpeggiator : public MidiEffect {
 
     // Division control
     void SetDivision(ArpDivision div);
+
+    bool Active();
 };

Applications/Note/RhythmVisualizer.h

@@ -24,7 +24,7 @@ class RhythmVisualizer : public UIComponent {
         uint8_t x = i % 8;
         uint8_t y = i / 8;
 
-        if(arp-> division != DIV_OFF && arp->euclideanIndex == i)
+        if(arp->Active() && arp->euclideanIndex == i)
         {
             MatrixOS::LED::SetColor(origin + Point(x, y), Color::White);
         }