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Add grid delay

pull/309/head
James H Ball 2025-08-01 15:49:18 +01:00
rodzic 4321de2f27
commit 47ed50a96c
2 zmienionych plików z 29 dodań i 8 usunięć
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11
Source/PluginProcessor.cpp
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@ -35,11 +35,12 @@ OscirenderAudioProcessor::OscirenderAudioProcessor() : CommonAudioProcessor(Buse
auto multiplexEffect = std::make_shared<osci::Effect>(
std::make_shared<MultiplexEffect>(),
std::vector<osci::EffectParameter*>{
new osci::EffectParameter("Multiplex Grid X", "Controls the horizontal grid size for the multiplex effect.", "multiplexGridX", VERSION_HINT, 1.0, 1.0, 8.0),
new osci::EffectParameter("Multiplex Grid Y", "Controls the vertical grid size for the multiplex effect.", "multiplexGridY", VERSION_HINT, 1.0, 1.0, 8.0),
new osci::EffectParameter("Multiplex Grid Z", "Controls the depth grid size for the multiplex effect.", "multiplexGridZ", VERSION_HINT, 1.0, 1.0, 8.0),
new osci::EffectParameter("Multiplex Smooth", "Controls the smoothness of transitions between grid sizes.", "multiplexSmooth", VERSION_HINT, 1.0, 0.0, 1.0),
new osci::EffectParameter("Grid Phase", "Controls the current phase of the grid animation.", "gridPhase", VERSION_HINT, 0.0, -1.0, 1.0),
new osci::EffectParameter("Multiplex X", "Controls the horizontal grid size for the multiplex effect.", "multiplexGridX", VERSION_HINT, 1.0, 1.0, 8.0),
new osci::EffectParameter("Multiplex Y", "Controls the vertical grid size for the multiplex effect.", "multiplexGridY", VERSION_HINT, 1.0, 1.0, 8.0),
new osci::EffectParameter("Multiplex Z", "Controls the depth grid size for the multiplex effect.", "multiplexGridZ", VERSION_HINT, 1.0, 1.0, 8.0),
new osci::EffectParameter("Multiplex Smooth", "Controls the smoothness of transitions between grid sizes.", "multiplexSmooth", VERSION_HINT, 0.0, 0.0, 1.0),
new osci::EffectParameter("Multiplex Phase", "Controls the current phase of the multiplex grid animation.", "gridPhase", VERSION_HINT, 0.0, 0.0, 1.0),
new osci::EffectParameter("Multiplex Delay", "Controls the delay of the audio samples used in the multiplex effect.", "gridDelay", VERSION_HINT, 0.0, 0.0, 1.0),
});
// Set up the Grid Phase parameter with sawtooth LFO at 100Hz
multiplexEffect->getParameter("gridPhase")->lfo->setUnnormalisedValueNotifyingHost((int)osci::LfoType::Sawtooth);

26
Source/audio/MultiplexEffect.h
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@ -5,13 +5,22 @@
class MultiplexEffect : public osci::EffectApplication {
public:
osci::Point apply(int index, osci::Point input, const std::vector<std::atomic<double>>& values, double sampleRate) override {
jassert(values.size() >= 5);
jassert(values.size() >= 6);
double gridX = values[0].load();
double gridY = values[1].load();
double gridZ = values[2].load();
double interpolation = values[3].load();
double phase = values[4].load();
double gridDelay = values[5].load();
head++;
if (head >= buffer.size()) {
head = 0;
}
buffer[head] = input;
osci::Point grid = osci::Point(gridX, gridY, gridZ);
osci::Point gridFloor = osci::Point(std::floor(gridX), std::floor(gridY), std::floor(gridZ));
@ -22,11 +31,18 @@ public:
double totalPositions = gridFloor.x * gridFloor.y * gridFloor.z;
double position = phase * totalPositions;
double delayPosition = static_cast<int>(position) / totalPositions;
int delayedIndex = head - static_cast<int>(delayPosition * gridDelay * sampleRate);
if (delayedIndex < 0) {
delayedIndex += buffer.size();
}
osci::Point delayedInput = buffer[delayedIndex % buffer.size()];
osci::Point nextGrid = gridFloor + 1.0;
osci::Point current = multiplex(input, position, gridFloor);
osci::Point next = multiplex(input, position, nextGrid);
osci::Point current = multiplex(delayedInput, position, gridFloor);
osci::Point next = multiplex(delayedInput, position, nextGrid);
// Calculate interpolation factors
osci::Point gridDiff = grid - gridFloor;
@ -62,4 +78,8 @@ private:
return point;
}
const static int MAX_DELAY = 192000 * 10;
std::vector<osci::Point> buffer = std::vector<osci::Point>(MAX_DELAY);
int head = 0;
};