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audioreactive comet effect (from WLED-SR) #199

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Dec 3, 2024
Merged

audioreactive comet effect (from WLED-SR) #199

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56 changes: 56 additions & 0 deletions wled00/FX.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1794,6 +1794,61 @@ uint16_t mode_multi_comet(void) {
}
static const char _data_FX_MODE_MULTI_COMET[] PROGMEM = "Multi Comet";

// audioreactive multi-comet by @softhack007
uint16_t mode_multi_comet_ar(void) {
constexpr unsigned MAX_COMETS = 16; // was 8
uint32_t cycleTime = max(1, int((255 - SEGMENT.speed)/4));
uint32_t it = strip.now / cycleTime;
if (SEGENV.step == it) return FRAMETIME; // too early

if (!SEGENV.allocateData(sizeof(uint16_t) * MAX_COMETS)) return mode_static(); //allocation failed
uint16_t* comets = reinterpret_cast<uint16_t*>(SEGENV.data);
if (SEGENV.call == 0) { // do some initializations
SEGMENT.setUpLeds(); SEGMENT.fill(BLACK);
for(uint8_t i=0; i < MAX_COMETS; i++) comets[i] = SEGLEN; // WLEDMM make sure comments are started individually
SEGENV.aux0 = 0;
}
SEGMENT.fade_out(254 - SEGMENT.intensity/2);

um_data_t *um_data;
if (!usermods.getUMData(&um_data, USERMOD_ID_AUDIOREACTIVE)) um_data = simulateSound(SEGMENT.soundSim);
float volumeSmth = *(float*) um_data->u_data[0];
int16_t volumeRaw = *(int16_t*) um_data->u_data[1];
uint8_t samplePeak = *(uint8_t*) um_data->u_data[3];

uint16_t armed = SEGENV.aux0; // allows to delay comet launch

#if defined(ARDUINO_ARCH_ESP32)
random16_add_entropy(esp_random() & 0xFFFF); // improve randomness (esp32)
#endif
bool shotOne = false; // avoids starting several coments at the same time (invisible due to overlap)
for(unsigned i=0; i < MAX_COMETS; i++) {
if(comets[i] < SEGLEN) {
// draw comet
uint16_t index = comets[i];
if (SEGCOLOR(2) != 0)
SEGMENT.setPixelColor(index, i % 2 ? SEGMENT.color_from_palette(index, true, PALETTE_SOLID_WRAP, 0) : SEGCOLOR(2));
else
SEGMENT.setPixelColor(index, SEGMENT.color_from_palette(index, true, PALETTE_SOLID_WRAP, 0));
comets[i]++; // move
} else {
// randomly launch a new comet
if (random16(min(uint16_t(256), SEGLEN)) < 3) armed++; // new comet loaded and ready
if (armed > 2) armed = 2; // max three armed at once (avoid overlap)
// delay comet "launch" during silence, and wait until next beat
if ( (armed > 0) && (shotOne == false)
&& (volumeSmth > 1.0f) && ((samplePeak > 0) || (volumeRaw > 104)) ) { // delayed lauch - wait until peak, don't launch in silence
comets[i] = 0; // start a new comet!
armed--; // un-arm one
shotOne = true;
}
}
}
SEGENV.aux0 = armed;
SEGENV.step = it;
return FRAMETIME;
}
static const char _data_FX_MODE_MULTI_COMET_AR[] PROGMEM = "Multi Comet audio ☾@Speed,Tail Length;!,!;!;1v;sx=160,ix=32,m12=7,si=1"; // Pinwheel, WeWillRockU

/*
* Running random pixels ("Stream 2")
Expand Down Expand Up @@ -9017,6 +9072,7 @@ void WS2812FX::setupEffectData() {
addEffect(FX_MODE_LIGHTNING, &mode_lightning, _data_FX_MODE_LIGHTNING);
addEffect(FX_MODE_ICU, &mode_icu, _data_FX_MODE_ICU);
addEffect(FX_MODE_MULTI_COMET, &mode_multi_comet, _data_FX_MODE_MULTI_COMET);
addEffect(FX_MODE_MULTI_COMET_AR, &mode_multi_comet_ar, _data_FX_MODE_MULTI_COMET_AR);
addEffect(FX_MODE_DUAL_LARSON_SCANNER, &mode_dual_larson_scanner, _data_FX_MODE_DUAL_LARSON_SCANNER);
addEffect(FX_MODE_RANDOM_CHASE, &mode_random_chase, _data_FX_MODE_RANDOM_CHASE);
addEffect(FX_MODE_OSCILLATE, &mode_oscillate, _data_FX_MODE_OSCILLATE);
Expand Down
2 changes: 1 addition & 1 deletion wled00/FX.h
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Expand Up @@ -330,7 +330,7 @@ bool strip_uses_global_leds(void) __attribute__((pure)); // WLEDMM implemented
// Experimental Audioresponsive modes from WLED-SR
// #define FX_MODE_3DSphereMove 189 // experimental WLED-SR "cube" mode
#define FX_MODE_POPCORN_AR 190 // WLED-SR audioreactive popcorn
// #define FX_MODE_MULTI_COMET_AR 191 // WLED-SR audioreactive multi-comet
#define FX_MODE_MULTI_COMET_AR 191 // WLED-SR audioreactive multi-comet
#define FX_MODE_STARBURST_AR 192 // WLED-SR audioreactive fireworks starburst
// #define FX_MODE_PALETTE_AR 193 // WLED-SR audioreactive palette
#define FX_MODE_FIREWORKS_AR 194 // WLED-SR audioreactive fireworks
Expand Down
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