Added DaisySP

daisysp/Effects/tremolo.cpp

@@ -0,0 +1,36 @@
+#include "tremolo.h"
+#include <math.h>
+
+using namespace daisysp;
+
+void Tremolo::Init(float sample_rate)
+{
+    sample_rate_ = sample_rate;
+
+    osc_.Init(sample_rate_);
+    SetDepth(1.f);
+    SetFreq(1.f);
+}
+
+float Tremolo::Process(float in)
+{
+    float modsig = dc_os_ + osc_.Process();
+    return in * modsig;
+}
+
+void Tremolo::SetFreq(float freq)
+{
+    osc_.SetFreq(freq);
+}
+
+void Tremolo::SetWaveform(int waveform)
+{
+    osc_.SetWaveform(waveform);
+}
+void Tremolo::SetDepth(float depth)
+{
+    depth = fclamp(depth, 0.f, 1.f);
+    depth *= .5f;
+    osc_.SetAmp(depth);
+    dc_os_ = 1.f - depth;
+}