public double ModifyValue(double currentValue, int sampleNumber)
{
var gain = Gain.Value;
if (DSPFunctions.IsZero(gain))
{
return(currentValue);
}
var amplitude = GetCurrentAmplitude(sampleNumber);
gain *= amplitude * Math.Min(currentValue, 1 - currentValue);
return(DSPFunctions.Clamp01(currentValue + gain));
}
protected Parameter(string name, string description, string label,
double min, double max, double step, bool canBeAutomated = true) :
base(name, description, label, canBeAutomated)
{
if (max <= min ||
step > (max - min))
{
throw new ArgumentException();
}
Min = min;
Max = max;
Step = Range / Math.Max(1, (int)(1 / DSPFunctions.Clamp01(step / Range)));
RealStep = Step / Range;
}
private void Knob_OnMouseMove(object sender, MouseEventArgs e)
{
if (_isMouseDown)
{
var position = e.GetPosition(this);
var delta = position.Y - _mouseStartPoint.Y;
_value = _knobStartValue - delta * KDeltaFactor;
_value = DSPFunctions.Clamp01(_value);
_value = (int)(_value * _invertedStep) / _invertedStep;
if (_parameter != null)
{
SetValue();
}
else
{
UpdateController();
}
}
}