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More harmony through chord notes

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Dejvino
2026-03-10 21:58:03 +01:00
parent f34f960358
commit aa51e1e95a
13 changed files with 269 additions and 242 deletions
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WaveStrategy.h
+13 -9
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@@ -6,9 +6,13 @@
class WaveStrategy : public MelodyStrategy {
public:
void generate(Step (*sequence)[NUM_STEPS], int track, int numSteps, int* scaleNotes, int numScaleNotes, int seed, int intensity) override {
void generate(Step (*sequence)[NUM_STEPS], int track, int numSteps, int* scaleNotes, int numScaleNotes, int* chordNotes, int numChordNotes, int seed, int intensity) override {
randomSeed(seed);
if (numScaleNotes == 0) return;
int* sourceNotes = (numChordNotes > 0) ? chordNotes : scaleNotes;
int sourceNoteCount = (numChordNotes > 0) ? numChordNotes : numScaleNotes;
if (sourceNoteCount == 0) return;
// Wave parameters
// Frequency: How many cycles per sequence
@@ -19,8 +23,8 @@ public:
int type = random(3);
// Center pitch (note index)
int centerIdx = numScaleNotes * 2; // Middle of 4 octaves roughly
int amp = numScaleNotes + (intensity); // Amplitude in scale degrees
int centerIdx = sourceNoteCount * 2; // Middle of 4 octaves roughly
int amp = sourceNoteCount + (intensity); // Amplitude in scale degrees
for (int i = 0; i < numSteps; i++) {
float t = (float)i / (float)numSteps; // 0.0 to 1.0
@@ -43,17 +47,17 @@ public:
int totalIdx = centerIdx + noteIdxOffset;
// Normalize totalIdx
while(totalIdx < 0) totalIdx += numScaleNotes;
while(totalIdx < 0) totalIdx += sourceNoteCount;
int octave = 2 + (totalIdx / numScaleNotes);
int scaleIdx = totalIdx % numScaleNotes;
int octave = 2 + (totalIdx / sourceNoteCount);
int noteIdx = totalIdx % sourceNoteCount;
if (octave < 0) octave = 0;
if (octave > 8) octave = 8;
// Rhythmic density based on intensity
if (random(100) < (40 + intensity * 5)) {
sequence[track][i].note = 12 * octave + scaleNotes[scaleIdx];
sequence[track][i].note = 12 * octave + sourceNotes[noteIdx];
sequence[track][i].accent = (val > 0.8f); // Accent peaks
sequence[track][i].tie = false;
} else {
@@ -77,7 +81,7 @@ public:
sortArray(scaleNotes, numScaleNotes);
}
void mutate(Step (*sequence)[NUM_STEPS], int track, int numSteps, int* scaleNotes, int numScaleNotes, int intensity) override {
void mutate(Step (*sequence)[NUM_STEPS], int track, int numSteps, int* scaleNotes, int numScaleNotes, int* chordNotes, int numChordNotes, int intensity) override {
// Phase shift the sequence
int shift = random(1, 4);
Step temp[NUM_STEPS];