Get MIDI working, and MASSIVELY speed up calculating arc length

.gitignore

@@ -3,6 +3,8 @@
 ##
 ## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
 
+.DS_Store
+
 # ignore JUCE
 **/Builds
 **/JuceLibraryCode

Source/PluginProcessor.cpp

@@ -139,6 +139,8 @@ OscirenderAudioProcessor::OscirenderAudioProcessor()
     for (int i = 0; i < 4; i++) {
         synth.addVoice(new ShapeVoice(*this));
     }
+        
+    synth.addSound(defaultSound);
 }
 
 OscirenderAudioProcessor::~OscirenderAudioProcessor() {}
@@ -373,13 +375,13 @@ void OscirenderAudioProcessor::openFile(int index) {
 
 // TODO: This should change whatever the ShapeSound is to the new index
 void OscirenderAudioProcessor::changeCurrentFile(int index) {
-    synth.clearSounds();
     if (index == -1) {
         currentFile = -1;
     }
 	if (index < 0 || index >= fileBlocks.size()) {
 		return;
 	}
+    synth.clearSounds();
 	synth.addSound(sounds[index]);
     currentFile = index;
     updateLuaValues();
@@ -416,14 +418,8 @@ void OscirenderAudioProcessor::processBlock(juce::AudioBuffer<float>& buffer, ju
     auto totalNumOutputChannels = getTotalNumOutputChannels();
 
     buffer.clear();
-    midiMessages.clear();
-    // TODO: Make this less hacky and more permanent
-    if (!playedNote) {
-        playedNote = true;
-        midiMessages.addEvent(juce::MidiMessage::noteOn(1, 60, 1.0f), 0);
-    }
     synth.renderNextBlock(buffer, midiMessages, 0, buffer.getNumSamples());
-    
+    midiMessages.clear();
     
     auto* channelData = buffer.getArrayOfWritePointers();
     

Source/PluginProcessor.h

@@ -218,7 +218,7 @@ private:
     std::vector<std::shared_ptr<Effect>> allEffects;
     std::vector<std::shared_ptr<Effect>> permanentEffects;
 
-    bool playedNote = false;
+    ShapeSound::Ptr defaultSound = new ShapeSound(std::make_shared<FileParser>());
     juce::Synthesiser synth;
     
     juce::SpinLock consumerLock;

Source/shape/CircleArc.cpp

@@ -56,9 +56,10 @@ void CircleArc::translate(double x, double y) {
 double CircleArc::length() {
 	if (len < 0) {
 		len = 0;
-		for (int i = 0; i < 500; i++) {
-			Vector2 v1 = nextVector(i / 500.0);
-			Vector2 v2 = nextVector((i + 1) / 500.0);
+        int segments = 5;
+		for (int i = 0; i < segments; i++) {
+			Vector2 v1 = nextVector(i / (double) segments);
+			Vector2 v2 = nextVector((i + 1) / (double) segments);
 			len += Line(v1.x, v1.y, v2.x, v2.y).length();
 		}
 	}