Method vibratingString

plugins/vibed/vibrating_string.cpp:33–88

vibratingString::vibratingString(	float _pitch, 
					float _pick,
					float _pickup,
					float * _impulse, 
					int _len,
					sample_rate_t _sample_rate,
					int _oversample,
					float _randomize,
					float _string_loss,
					float _detune,
					bool _state ) :
	m_oversample( 2 * _oversample / (int)( _sample_rate /
				Engine::mixer()->baseSampleRate() ) ),
	m_randomize( _randomize ),
	m_stringLoss( 1.0f - _string_loss ),
	m_state( 0.1f )
{
	m_outsamp = new sample_t[m_oversample];
	int string_length;
	
	string_length = static_cast<int>( m_oversample * _sample_rate /
								_pitch ) + 1;
	string_length += static_cast<int>( string_length * -_detune );

	int pick = static_cast<int>( ceil( string_length * _pick ) );
	
	if( not _state )
	{
		m_impulse = new float[string_length];
		resample( _impulse, _len, string_length );
	}
	else
 	{
		m_impulse = new float[_len];
		for( int i = 0; i < _len; i++ )
		{
			m_impulse[i] = _impulse[i];
		}
	}
	
	m_toBridge = vibratingString::initDelayLine( string_length, pick );
	m_fromBridge = vibratingString::initDelayLine( string_length, pick );

	
	vibratingString::setDelayLine( m_toBridge, pick, 
						m_impulse, _len, 0.5f, 
						_state );
	vibratingString::setDelayLine( m_fromBridge, pick, 
						m_impulse, _len, 0.5f,
						_state);
	
	m_choice = static_cast<int>( m_oversample * 
				static_cast<float>( rand() ) / RAND_MAX ); 
	
	m_pickupLoc = static_cast<int>( _pickup * string_length );
}