Delete wave on droplet close

src/droplets/vco_droplet.cpp

@@ -18,6 +18,10 @@ VCODroplet::VCODroplet(DaisyPatch* m_patch,
 	       0.5f, Parameter::LINEAR);
 }
 
+VCODroplet::~VCODroplet() {
+  delete wave;
+}
+
 void VCODroplet::Control() {}
 
 void VCODroplet::Process(float** in, float** out, size_t size) {
@@ -32,7 +36,6 @@ void VCODroplet::Process(float** in, float** out, size_t size) {
     wave = wavectrl.Process();
     amp = ampctrl.Process();
     // Set osc params
-    
     osc.SetFreq(freq);
     osc.SetWaveform(wave);
     osc.SetAmp(amp);

src/droplets/vco_droplet.h

@@ -25,6 +25,7 @@ private:
   Sprite* wave = new Sprite(sine_width, kTitleHeight);
 public:
   VCODroplet(DaisyPatch*, DropletState, float);
+  ~VCODroplet();
   void Control();
   void Process(float**, float**, size_t);
   void Draw();

src/graphics/sprite.cpp

@@ -12,6 +12,13 @@ Sprite::Sprite(int m_width, int m_height) {
   }
 }
 
+Sprite::~Sprite() {
+  for (int w = 0; w < width; w++) {
+    delete[] sprite[w];
+  }
+  delete[] sprite;
+}
+
 void Sprite::SetPixel(int x, int y, bool solid) {
   sprite[x][y] = solid;
 }

src/graphics/sprite.h

@@ -13,6 +13,7 @@ class Sprite {
   bool** sprite;
  public:
   Sprite(int, int);
+  ~Sprite();
   void SetPixel(int, int, bool);
   int GetHeight();
   int GetWidth();