99 lines
2.2 KiB
C++
99 lines
2.2 KiB
C++
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#include "effect_gol.h"
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#include "my_fastled.h"
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GolEffect::GolEffect() {
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this->window = new Window(0, 0, LED_WIDTH, LED_HEIGHT-6);
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}
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bool GolEffect::can_be_shown_with_clock() { return true; }
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void GolEffect::start() {
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_data = new uint8_t[this->window->count];
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_old = new uint8_t[this->window->count];
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for(uint16_t i=0; i<this->window->count; i++) {
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_old[i] = 0;
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}
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_initialize();
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}
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void GolEffect::_initialize() {
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for(uint16_t i=0; i<this->window->count; i++) {
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_data[i] = random8() < EFFECT_GOL_START_PERCENTAGE ? 1 : 0;
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}
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_old_hue = _hue;
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_hue = random8();
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_step = 0;
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}
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void GolEffect::stop() {
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delete[] _data;
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delete[] _old;
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}
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void GolEffect::loop() {
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if (EFFECT_GOL_BLEND_SPEED + _blend > 255) {
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_blend = 0;
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_advance();
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} else {
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_blend += EFFECT_GOL_BLEND_SPEED;
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}
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_draw();
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}
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void GolEffect::_advance() {
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_step++;
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_old_hue = _hue;
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if (_step >= EFFECT_GOL_RESTART_AFTER_STEPS) {
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_initialize();
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} else {
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for(uint16_t i=0; i<this->window->count; i++) {
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_old[i] = _data[i];
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}
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uint8_t w = this->window->width;
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uint16_t changes = 0;
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for(uint8_t x=0; x<this->window->width; x++) for(uint8_t y=0; y<this->window->height; y++) {
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uint16_t index = y*w + x;
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uint8_t count =
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(x>0 && y>0 && _old[index - w - 1]) +
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(y>0 && _old[index - w]) +
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(x<this->window->width-1 && y>0 && _old[index - w + 1]) +
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(x>0 && _old[index - 1]) +
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(x<this->window->width-1 && _old[index + 1]) +
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(x>0 && y<this->window->height-1 && _old[index + w - 1]) +
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(y<this->window->height-1 && _old[index + w]) +
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(x<this->window->width-1 && y<this->window->height-1 && _old[index + w + 1]);
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if (_old[index]==0 && count==3) {
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// birth
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_data[index]=1;
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changes++;
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}
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if (_old[index]>0) {
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if (count<2 || count>3) {
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//death
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_data[index]=0;
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changes++;
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} else if (_data[index] < 255) {
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//ageing
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_data[index]++;
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}
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}
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}
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if (changes == 0) {
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_initialize();
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}
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}
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}
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void GolEffect::_draw() {
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for(uint16_t i=0; i<this->window->count; i++) {
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CRGB o = _old[i]==0 ? CRGB::Black : (CRGB)CHSV(_old_hue, 180, 255);
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CRGB n = _data[i]==0 ? CRGB::Black : (CRGB)CHSV(_hue, 180, 255);
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CRGB result = nblend(o, n, _blend);
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this->window->setPixelByIndex(i, &result);
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}
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}
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