49 lines
1.1 KiB
C++
49 lines
1.1 KiB
C++
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#include "effect_sines.h"
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SinesEffectSinus::SinesEffectSinus(Window* w) {
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_window = w;
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_frequency = random8(40)+8;
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_amplitude = random(5)+2;
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_x = random8(_window->width);
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_step = 0;
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_color = CHSV(random8(), 255, 255);
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}
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void SinesEffectSinus::loop() {
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_value += _frequency;
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if ((_value == 0 || _value==128) && random8(16)==0) {
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int8_t sign = _value == 0 ? -1 : +1;
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if (_x > 200) sign = -1;
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else if (_x >= _window->width) sign = 1;
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_amplitude = random(3)+2;
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_frequency = random8(40)+8;
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_color = CHSV(random8(), 255, 255);
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_x = _x - sign*_amplitude;
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}
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uint8_t x = _x + ((sin8(_value) - 128) * _amplitude / 128);
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_window->setPixel(x, 0, &_color);
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}
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SinesEffect::SinesEffect() {
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for (int i=0; i<EFFECT_SINES_COUNT; i++) {
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_sinus[i] = new SinesEffectSinus(window);
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}
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}
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SinesEffect::~SinesEffect() {
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for (int i=0; i<EFFECT_SINES_COUNT; i++) { delete _sinus[i]; }
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}
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boolean SinesEffect::can_be_shown_with_clock() {
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return true;
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}
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void SinesEffect::loop() {
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// do stuff
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if (_step++ % 4) return; // Skip 3 out of 4 steps.
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window->shift_down_and_blur();
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for (int i=0; i<EFFECT_SINES_COUNT; i++) {
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_sinus[i]->loop();
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}
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}
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