Remove Noise class from flanger (LMMS#7473)

plugins/Flanger/CMakeLists.txt

@@ -1,7 +1,7 @@
 INCLUDE(BuildPlugin)
 
 BUILD_PLUGIN(
-	flanger FlangerEffect.cpp FlangerControls.cpp FlangerControlsDialog.cpp Noise.cpp MonoDelay.cpp
+	flanger FlangerEffect.cpp FlangerControls.cpp FlangerControlsDialog.cpp MonoDelay.cpp
 	MOCFILES FlangerControls.h FlangerControlsDialog.h
 	EMBEDDED_RESOURCES artwork.png logo.png
 )

plugins/Flanger/FlangerEffect.cpp

@@ -25,10 +25,10 @@
 #include "FlangerEffect.h"
 #include "Engine.h"
 #include "MonoDelay.h"
-#include "Noise.h"
 #include "QuadratureLfo.h"
 
 #include "embed.h"
+#include "lmms_math.h"
 #include "plugin_export.h"
 
 namespace lmms
@@ -61,7 +61,6 @@ FlangerEffect::FlangerEffect( Model *parent, const Plugin::Descriptor::SubPlugin
 	m_lfo = new QuadratureLfo( Engine::audioEngine()->outputSampleRate() );
 	m_lDelay = new MonoDelay( 1, Engine::audioEngine()->outputSampleRate() );
 	m_rDelay = new MonoDelay( 1, Engine::audioEngine()->outputSampleRate() );
-	m_noise = new Noise;
 }
 
 
@@ -81,10 +80,6 @@ FlangerEffect::~FlangerEffect()
 	{
 		delete m_lfo;
 	}
-	if(m_noise)
-	{
-		delete m_noise;
-	}
 }
 
 
@@ -113,8 +108,8 @@ bool FlangerEffect::processAudioBuffer( SampleFrame* buf, const fpp_t frames )
 		float leftLfo;
 		float rightLfo;
 
-		buf[f][0] += m_noise->tick() * noise;
-		buf[f][1] += m_noise->tick() * noise;
+		buf[f][0] += (fastRandf(2.0f) - 1.0f) * noise;
+		buf[f][1] += (fastRandf(2.0f) - 1.0f) * noise;
 		dryS[0] = buf[f][0];
 		dryS[1] = buf[f][1];
 		m_lfo->tick(&leftLfo, &rightLfo);

plugins/Flanger/FlangerEffect.h

@@ -33,7 +33,6 @@ namespace lmms
 {
 
 class MonoDelay;
-class Noise;
 class QuadratureLfo;
 
 
@@ -55,8 +54,6 @@ class FlangerEffect : public Effect
 	MonoDelay* m_lDelay;
 	MonoDelay* m_rDelay;
 	QuadratureLfo* m_lfo;
-	Noise* m_noise;
-
 };