Random graph approximation and cleanup

include/EnvelopeAndLfoView.h

@@ -90,7 +90,9 @@ private:
 
 	ledCheckBox * m_x100Cb;
 	ledCheckBox * m_controlEnvAmountCb;
-
+	
+	float m_randomGraph;
+	void updateRandomGraph();
 } ;
 
 #endif

src/core/EnvelopeAndLfoParameters.cpp

@@ -68,6 +68,7 @@ void EnvelopeAndLfoParameters::LfoInstances::reset()
 
 
 
+
 void EnvelopeAndLfoParameters::LfoInstances::add( EnvelopeAndLfoParameters * lfo )
 {
 	QMutexLocker m( &m_lfoListMutex );
@@ -86,7 +87,6 @@ void EnvelopeAndLfoParameters::LfoInstances::remove( EnvelopeAndLfoParameters *
 
 
 
-
 EnvelopeAndLfoParameters::EnvelopeAndLfoParameters(
 					float _value_for_zero_amount,
 							Model * _parent ) :
@@ -219,12 +219,11 @@ inline sample_t EnvelopeAndLfoParameters::lfoShapeSample( fpp_t _frame_offset )
 			shape_sample = m_userWave.userWaveSample( phase );
 			break;
 		case RandomWave:
-			shape_sample = m_random;
 			if( frame == 0 )
 			{
 				updateRandomWave();
-				shape_sample = m_random;
 			}
+			shape_sample = m_random;
 			break;
 		case SineWave:
 		default:

src/gui/widgets/EnvelopeAndLfoView.cpp

@@ -535,16 +535,11 @@ void EnvelopeAndLfoView::paintEvent( QPaintEvent * )
 					val = Oscillator::squareSample( phase );
 					break;
 				case EnvelopeAndLfoParameters::RandomWave:
-					val = Oscillator::sawSample( phase );
-		//		val = Oscillator::noiseSample( phase );
-//					shape_sample = m_random;
-//					if( frame == 0 )
-//					{
-//						updateRandomWave();
-//						shape_sample = m_random;
-//					}
-//					break;
-//					val = Oscillator::squareSample( phase );// <- dummy!
+					if( x % (int)( 900 * m_lfoSpeedKnob->value<float>() + 1 ) == 0 )
+					{
+						updateRandomGraph();
+					}
+					val = m_randomGraph;
 					break;
 				case EnvelopeAndLfoParameters::UserDefinedWave:
 					val = m_params->m_userWave.
@@ -577,6 +572,13 @@ void EnvelopeAndLfoView::paintEvent( QPaintEvent * )
 
 
 
+void EnvelopeAndLfoView::updateRandomGraph()
+{
+	m_randomGraph = Oscillator::noiseSample( 0.0f );
+}
+
+
+
 
 void EnvelopeAndLfoView::lfoUserWaveChanged()
 {