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Intensity setting

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Dejvino
2026-02-22 22:25:17 +01:00
parent e6a4711861
commit 33c6329f0b
13 changed files with 182 additions and 40 deletions
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LSystemStrategy.h
+9 -4
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@@ -29,7 +29,7 @@ const uint8_t numRuleSets = sizeof(ruleSets) / sizeof(RuleSet);
class LSystemStrategy : public MelodyStrategy {
public:
void generate(Step (*sequence)[NUM_STEPS], int track, int numSteps, int* scaleNotes, int numScaleNotes, int seed) override {
void generate(Step (*sequence)[NUM_STEPS], int track, int numSteps, int* scaleNotes, int numScaleNotes, int seed, int intensity) override {
randomSeed(seed);
if (numScaleNotes == 0) {
// Fill with silence if no scale
@@ -76,14 +76,19 @@ public:
int octave_stack[8];
int stack_ptr = 0;
// High intensity = more accents, fewer ties (staccato)
// Low intensity = fewer accents, more ties (legato)
int accentChance = intensity * 6; // 6% to 60%
int tieChance = 50 - (intensity * 5); // 45% to 0%
for (char c : currentString) {
if (stepIndex >= numSteps) break;
switch(c) {
case 'F': case 'G': case 'A': case 'B': // Characters that draw notes
sequence[track][stepIndex].note = 12 * octave + scaleNotes[noteIndex];
sequence[track][stepIndex].accent = (random(100) < 25);
sequence[track][stepIndex].tie = (random(100) < 10);
sequence[track][stepIndex].accent = (random(100) < accentChance);
sequence[track][stepIndex].tie = (random(100) < tieChance);
stepIndex++;
break;
case '+': // Go up in scale
@@ -135,7 +140,7 @@ public:
sortArray(scaleNotes, numScaleNotes);
}
void mutate(Step (*sequence)[NUM_STEPS], int track, int numSteps, int* scaleNotes, int numScaleNotes) override {
void mutate(Step (*sequence)[NUM_STEPS], int track, int numSteps, int* scaleNotes, int numScaleNotes, int intensity) override {
// Swap two non-rest steps to create a variation
int s1 = random(numSteps);
int s2 = random(numSteps);