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- #if GARLAND_SUPPORT
-
- #include "../anim.h"
- #include "../color.h"
- #include "../palette.h"
-
- #define DUST_LENGTH 20
-
- //------------------------------------------------------------------------------
- class AnimPixieDust : public Anim {
- public:
- AnimPixieDust() : Anim("PixieDust") {
- }
-
- void SetupImpl() override {
- phase = 0;
- curColor = palette->getRndInterpColor();
- prevColor = palette->getRndInterpColor();
- inc = secureRandom(2) * 2 - 1;
- if (inc > 0) {
- phase = -DUST_LENGTH / 2;
- } else {
- phase = numLeds + DUST_LENGTH / 2;
- }
- glowSetUp();
- }
-
- void Run() override {
- if (inc > 0) {
- for (int i = 0; i < numLeds; ++i) {
- leds[i] = (i > phase) ? prevColor : curColor;
- glowForEachLed(i);
- }
- phase++;
- if (phase >= 4 * numLeds) {
- phase = -DUST_LENGTH / 2;
- prevColor = curColor;
- curColor = palette->getRndInterpColor();
- }
- } else {
- for (int i = 0; i < numLeds; ++i) {
- leds[i] = (i < phase) ? prevColor : curColor;
- glowForEachLed(i);
- }
- phase--;
- if (phase <= -3 * numLeds) {
- phase = numLeds + DUST_LENGTH / 2;
- prevColor = curColor;
- curColor = palette->getContrastColor(prevColor);
- }
- }
- glowRun();
-
- for (int k = phase - DUST_LENGTH / 2; k < (phase + DUST_LENGTH / 2); k++) {
- if (k >= 0 && k < numLeds) {
- int mix = abs(k - phase) * 255 / DUST_LENGTH + ((int)rngb() - 125);
- if (mix < 0) {
- mix = 0;
- } else if (mix > 255) {
- mix = 255;
- }
- leds[k] = sparkleColor.interpolate(leds[k], (float)mix / 255);
- }
- }
- }
- };
-
- #endif // GARLAND_SUPPORT
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