Method lfoShapeSample

src/core/EnvelopeAndLfoParameters.cpp:204–237

inline sample_t EnvelopeAndLfoParameters::lfoShapeSample( fpp_t _frame_offset )
{
	f_cnt_t frame = ( m_lfoFrame + _frame_offset ) % m_lfoOscillationFrames;
	const float phase = frame / static_cast<float>(
						m_lfoOscillationFrames );
	sample_t shape_sample;
	switch( m_lfoWaveModel.value()  )
	{
		case TriangleWave:
			shape_sample = Oscillator::triangleSample( phase );
			break;
		case SquareWave:
			shape_sample = Oscillator::squareSample( phase );
			break;
		case SawWave:
			shape_sample = Oscillator::sawSample( phase );
			break;
		case UserDefinedWave:
			shape_sample = m_userWave.userWaveSample( phase );
			break;
		case RandomWave:
			if( frame == 0 )
			{
				m_random = Oscillator::noiseSample( 0.0f );
			}
			shape_sample = m_random;
			break;
		case SineWave:
		default:
			shape_sample = Oscillator::sinSample( phase );
			break;
	}
	return shape_sample * m_lfoAmount;
}