/// <summary>
/// Reusable code snippet to shuffle a given oscillator (used for angular oscillators that can be a sawtooth wave)
/// </summary>
/// <param name="index">Index of oscillator shuffler to target</param>
/// <param name="pattern">Pattern to be mutated by this shuffle operation</param>
private void RollShufflerLoopable(int index, ref LineCirclePattern pattern)
{
//check to see if we should be a sawtooth
pattern.Oscillators[index].Type = Roll(SawtoothChance)
? OscillatorShape.Sawtooth
: OscillatorShape.Sine;
//do normal stuff
RollShuffler(index, ref pattern);
//if sawtooth, make sure we go from 0 to 2 pi (so one full revolution)
if (pattern.Oscillators[index].Type != OscillatorShape.Sawtooth)
{
return;
}
OscillatorShuffler.EnforceTwoPi(ref pattern.Oscillators[index]);
//Once we've done all this enforcing, we need to do one more pass on ensuring that the frequency isn't too high
if (Shufflers[index].OverrideFrequency)
{
Shufflers[index].RandomiseFrequency(ref pattern.Oscillators[index]);
}
else
{
OscillatorShuffler.RandomiseFrequency(ref pattern.Oscillators[index],
GlobalMinimumFrequency, GlobalMaximumFrequency);
}
Shufflers[index].EnforceMaxFrequency(ref pattern.Oscillators[index]);
}
/// <summary>
/// Reusable code snippet to shuffle a given oscillator
/// </summary>
/// <param name="index">Index of oscillator shuffler to target</param>
/// <param name="pattern">Pattern to be mutated by this shuffle operation</param>
private void RollShuffler(int index, ref LineCirclePattern pattern)
{
//check whether we should shuffle at all
if (!Roll(GlobalShuffleChance))
{
return;
}
//check whether we should freeze
if (Roll(FreezeChance))
{
Shufflers[index].RandomiseCenter(ref pattern.Oscillators[index]);
pattern.Oscillators[index].Amplitude = 0;
}
else
{
Shufflers[index].RandomiseRange(ref pattern.Oscillators[index]);
OscillatorShuffler.RandomisePhase(ref pattern.Oscillators[index]);
//check whether we should use override frequency values
if (Shufflers[index].OverrideFrequency)
{
Shufflers[index].RandomiseFrequency(ref pattern.Oscillators[index]);
}
else
{
OscillatorShuffler.RandomiseFrequency(ref pattern.Oscillators[index],
GlobalMinimumFrequency, GlobalMaximumFrequency);
}
}
Shufflers[index].EnforceMaxFrequency(ref pattern.Oscillators[index]);
}