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53 lines
1.4 KiB
53 lines
1.4 KiB
#if GARLAND_SUPPORT
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#include "../anim.h"
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#include "../color.h"
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#include "../palette.h"
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//seq keeps phases: 0..127 increasing, 128..255 decreasing, ends at 255 (steady off)
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//ledstmp keeps color of stars
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//------------------------------------------------------------------------------
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class AnimStars : public Anim {
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public:
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AnimStars() : Anim("Stars") {
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}
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void SetupImpl() override {
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//inc is (average) interval between appearance of new stars
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inc = secureRandom(2, 5);
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//reset all phases
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for (auto i = 0; i < numLeds; ++i)
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seq[i] = 255;
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}
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void Run() override {
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for (auto i = 0; i < numLeds; i++) {
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byte phi = seq[i];
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if (phi < 254) {
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Color col = ledstmp[i];
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if (phi <= 127) {
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leds[i] = col.brightness(phi << 1);
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} else {
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leds[i] = col.brightness((255 - phi) << 1);
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}
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seq[i] += 2;
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} else {
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leds[i].r = 0;
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leds[i].g = 0;
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leds[i].b = 0;
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}
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}
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if (secureRandom(inc) == 0) {
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byte pos = secureRandom(numLeds);
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if (seq[pos] > 250) {
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seq[pos] = 0;
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ledstmp[pos] = palette->getRndInterpColor();
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}
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}
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}
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};
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#endif // GARLAND_SUPPORT
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