BogaudioModules

commit e39adffd1d38ab488d34d2b68346008517762758
parent a44057ecb3821dd895c141499c4f42dded8a33a3
Author: Matt Demanett <matt@demanett.net>
Date:   Tue, 20 Feb 2018 22:50:00 -0500

Filtered noise experiment.

Diffstat:
M
src/Test.cpp
 | 
10
++++++++++
M
src/Test.hpp
 | 
13
+++++++++++--

2 files changed, 21 insertions(+), 2 deletions(-)
diff --git a/src/Test.cpp b/src/Test.cpp
@@ -20,6 +20,16 @@ void Test::step() {
 	);
 	outputs[OUT_OUTPUT].value = _lpf.next(inputs[IN_INPUT].value);
 
+#elif LPFNOISE
+	_lpf.setParams(
+		engineGetSampleRate(),
+		22000.0 * clamp(params[PARAM1_PARAM].value, 0.0f, 1.0f),
+		0.717f
+	);
+	float noise = _noise.next();
+	outputs[OUT_OUTPUT].value = _lpf.next(noise) * 10.0;;
+	outputs[OUT2_OUTPUT].value = noise * 10.0;;
+
 #elif SINE
 	_sine.setSampleRate(engineGetSampleRate());
 	_sine.setFrequency(oscillatorPitch());
diff --git a/src/Test.hpp b/src/Test.hpp
@@ -5,15 +5,19 @@
 extern Model* modelTest;
 
 // #define LPF 1
+#define LPFNOISE 1
 // #define SINE 1
 // #define SQUARE 1
 // #define SAW 1
 // #define TRIANGLE 1
-#define SINEBANK 1
+// #define SINEBANK 1
 
 #include "pitch.hpp"
 #ifdef LPF
 #include "dsp/filter.hpp"
+#elif LPFNOISE
+#include "dsp/filter.hpp"
+#include "dsp/noise.hpp"
 #elif SINE
 #include "dsp/oscillator.hpp"
 #elif SQUARE
@@ -59,6 +63,9 @@ struct Test : Module {
 
 #ifdef LPF
 	LowPassFilter _lpf;
+#elif LPFNOISE
+	WhiteNoiseGenerator _noise;
+	LowPassFilter _lpf;
 #elif SINE
 	SineOscillator _sine;
 #elif SQUARE
@@ -75,6 +82,8 @@ struct Test : Module {
 	: Module(NUM_PARAMS, NUM_INPUTS, NUM_OUTPUTS, NUM_LIGHTS)
 #ifdef LPF
 	, _lpf(44100.0, 1000.0, 1.0)
+#elif LPFNOISE
+	, _lpf(44100.0, 1000.0, 1.0)
 #elif SINE
 	, _sine(44100.0, 1000.0, 5.0)
 #elif SQUARE
@@ -90,7 +99,7 @@ struct Test : Module {
 		onReset();
 
 #ifdef SINEBANK
-    const float baseAmplitude = 5.0;
+		const float baseAmplitude = 5.0;
 		switch (5) {
 			case 1: {
 				// saw