pass sample by reference

clip/wavefolder.h

@@ -5,11 +5,9 @@ class wavefolder {
 public:
 	float amount = 1.f;
 
-	float process_sample(float& _sample)
+	void process_sample(float& _sample)
 	{
-		if (amount > 1.f) { return fold(_sample * amount); }
-
-        return 0.f;
+		if (amount > 1.f) { _sample = fold(_sample * amount); }
 	}
 
 private:

synth/tx_operator.h

@@ -30,7 +30,7 @@ public:
 		// drifts and sounds better!
 		if (envelope.is_busy()) {
 			float osc = oscillator.process_sample(trigger, frequency, pm);
-			osc = wavefolding.process_sample(osc);
+			m_wavefolder.process_sample(osc);
 			return osc * env * velocity;
 		} else {
 			return 0.;