Superclass constructors

src/droplets/droplet.cpp

@@ -1,5 +1,10 @@
 #include "droplet.h"
 
+Droplet::Droplet(DaisyPatch* m_patch, DropletState m_state) {
+  patch = m_patch;
+  UpdateState(m_state);
+}
+
 void Droplet::DrawName(DaisyPatch* patch, std::string name) {
   WriteCenteredString(*patch, (screen_min + screen_max) / 2, 0,
 		      Font_6x8, name);

src/droplets/droplet.h

@@ -17,7 +17,7 @@ class Droplet {
  public:
   DaisyPatch* patch;
   DropletState state;
-  virtual ~Droplet() {};
+  Droplet(DaisyPatch*, DropletState);
   virtual void Control()=0;
   virtual void Process(float**, float**, size_t)=0;
   virtual void Draw()=0;

src/droplets/noise_droplet.cpp

@@ -2,11 +2,11 @@
 
 NoiseDroplet::NoiseDroplet(DaisyPatch* m_patch,
 			   float sample_rate,
-			   DropletState m_state) {
-  patch = m_patch;
+			   DropletState m_state) :
+  Droplet(m_patch,
+	  m_state) {
   noise.Init();
   filter.Init();
-  UpdateState(m_state);
 }
 
 void NoiseDroplet::Control() {}

src/droplets/vco_droplet.cpp

@@ -2,9 +2,9 @@
 
 VCODroplet::VCODroplet(DaisyPatch* m_patch,
 		       float sample_rate,
-		       DropletState m_state) {
-  UpdateState(m_state);
-  patch = m_patch;
+		       DropletState m_state) :
+  Droplet(m_patch,
+	  m_state){
   int num_waves = Oscillator::WAVE_LAST;
   osc.Init(sample_rate);
   freqctrl.Init(patch->controls[patch->CTRL_1], 10.0,