// Construct from components
Foam::sixDOFqODE::sixDOFqODE(const IOobject& io)
:
IOdictionary(io),
mass_(lookup("mass")),
momentOfInertia_(lookup("momentOfInertia")),
Xequilibrium_(lookup("equilibriumPosition")),
linSpringCoeffs_(lookup("linearSpring")),
linDampingCoeffs_(lookup("linearDamping")),
Xrel_(lookup("Xrel")),
U_(lookup("U")),
Uaverage_(U_),
rotation_
(
vector(lookup("rotationVector")),
dimensionedScalar(lookup("rotationAngle")).value()
),
omega_(lookup("omega")),
omegaAverage_(omega_),
omegaAverageAbsolute_(omega_),
force_(lookup("force")),
moment_(lookup("moment")),
forceRelative_(lookup("forceRelative")),
momentRelative_(lookup("momentRelative")),
coeffs_(13, 0.0)
{
setCoeffs();
}
void processAudio(AudioBuffer &buffer){
setCoeffs(getLpFreq(), 0.8f);
float delayTime = getParameterValue(PARAMETER_A); // get delay time value
float feedback = getParameterValue(PARAMETER_B); // get feedback value
float wetDry = getParameterValue(PARAMETER_D); // get gain value
float delaySamples = delayTime * (DELAY_BUFFER_LENGTH-1);
int size = buffer.getSize();
for (int ch = 0; ch<buffer.getChannels(); ++ch) {
float* buf = buffer.getSamples(ch);
process(size, buf, outBuf); // low pass filter for delay buffer
for(int i = 0; i < size; i++){
outBuf[i] = outBuf[i] + feedback * delayBuffer.read(delaySamples);
buf[i] = (1.f - wetDry) * buf[i] + wetDry * outBuf[i]; //crossfade for wet/dry balance
delayBuffer.write(buf[i]);
}
}
}
void processAudio(AudioBuffer &buffer){
float y[getBlockSize()];
setCoeffs(getLpFreq(), 0.8f);
float delayTime = getParameterValue(PARAMETER_A); // get delay time value
float feedback = getParameterValue(PARAMETER_B); // get feedback value
float wetDry = getParameterValue(PARAMETER_D); // get gain value
if(abs(time - delayTime) < 0.01)
delayTime = time;
else
time = delayTime;
float delaySamples = delayTime * (delayBuffer.getSize()-1);
int size = buffer.getSize();
float* x = buffer.getSamples(0);
process(size, x, y); // low pass filter for delay buffer
for(int n = 0; n < size; n++){
//linear interpolation for delayBuffer index
dSamples = olddelaySamples + (delaySamples - olddelaySamples) * n / size;
y[n] = y[n] + feedback * delayBuffer.read(dSamples);
x[n] = (1.f - wetDry) * x[n] + wetDry * y[n]; //crossfade for wet/dry balance
delayBuffer.write(x[n]);
}
olddelaySamples = delaySamples;
}
LpfDelayPatch() : x1(0.0f), x2(0.0f), y1(0.0f), y2(0.0f) {
registerParameter(PARAMETER_A, "Delay");
registerParameter(PARAMETER_B, "Feedback");
registerParameter(PARAMETER_C, "Fc");
registerParameter(PARAMETER_D, "Dry/Wet");
setCoeffs(getLpFreq()/getSampleRate(), 0.6f);
outBuf = new float[getBlockSize()];
}
LpfDelayPatch() : x1(0.0f), x2(0.0f), y1(0.0f), y2(0.0f), olddelaySamples(0.0f) {
AudioBuffer* buffer = createMemoryBuffer(1, REQUEST_BUFFER_SIZE);
delayBuffer.initialise(buffer->getSamples(0), buffer->getSize());
registerParameter(PARAMETER_A, "Delay", "Delay time");
registerParameter(PARAMETER_B, "Feedback", "Delay loop feedback");
registerParameter(PARAMETER_C, "Fc", "Filter cutoff frequency");
registerParameter(PARAMETER_D, "Dry/Wet", "Dry/wet mix");
setCoeffs(getLpFreq()/getSampleRate(), 0.6f);
}
LpfDelayPhaserPatch() : x1(0.0f), x2(0.0f), y1(0.0f), y2(0.0f),
_lfoPhase( 0.f ), depth( 1.f ),
feedback( .7f ),_zm1( 0.f ) {
registerParameter(PARAMETER_A, "Delay");
registerParameter(PARAMETER_B, "Feedback");
registerParameter(PARAMETER_C, "Fc");
registerParameter(PARAMETER_D, "Dry/Wet");
setCoeffs(getLpFreq()/getSampleRate(), 0.6f) ;
Range( 440.f, 1600.f );
Rate( .5f );
outBuf = new float[getBlockSize()];
}
void processAudio(AudioBuffer &buffer){
int size = buffer.getSize();
float w, z; //implement with less arrays?
setCoeffs(getLpFreq(), 0.8f);
rate = 0.01f, depth = 0.3f;
float delayTime = getParameterValue(PARAMETER_A); // get delay time value
float feedback = getParameterValue(PARAMETER_B); // get feedback value
float wetDry = getParameterValue(PARAMETER_D); // get gain value
float delaySamples = delayTime * (DELAY_BUFFER_LENGTH-1);
for (int ch = 0; ch<buffer.getChannels(); ++ch) {
float* buf = buffer.getSamples(ch);
process(size, buf, outBuf); // low pass filter for delay buffer
float d = _dmin + (_dmax-_dmin) * ((sin( _lfoPhase ) + 1.f)/2.f);
_lfoPhase += rate;
if( _lfoPhase >= M_PI * 2.f )
_lfoPhase -= M_PI * 2.f;
//update filter coeffs
for( int i=0; i<6; i++ )
_alps[i].Delay( d );
for (int i = 0; i < size; i++){
outBuf[i] = outBuf[i] + feedback * delayBuffer.read(delaySamples);
buf[i] = (1.f - wetDry) * buf[i] + wetDry * outBuf[i]; //crossfade for wet/dry balance
delayBuffer.write(buf[i]);
//calculate output
z = _alps[0].Update(_alps[1].Update(_alps[2].Update(_alps[3].Update(_alps[4].Update(_alps[5].Update(buf[i] + _zm1 * (feedback*0.1)))))));
_zm1 = z;
buf[i] = buf[i] + z * depth;
}
}
}
