pitrix/src/effect_gol.cpp

97 lines
2.2 KiB
C++

#include "effect_gol.h"
#include "my_fastled.h"
GolEffect::GolEffect() {
this->window = &Window::window_with_clock;
_data = new uint8_t[this->window->count];
_old = new uint8_t[this->window->count];
for(uint16_t i=0; i<this->window->count; i++) {
_old[i] = 0;
}
_initialize();
}
bool GolEffect::can_be_shown_with_clock() { return true; }
void GolEffect::_initialize() {
for(uint16_t i=0; i<this->window->count; i++) {
_data[i] = random8() < settings.effects.gol.start_percentage ? 1 : 0;
}
_old_hue = _hue;
_hue = random8();
_step = 0;
}
GolEffect::~GolEffect() {
delete[] _data;
delete[] _old;
}
void GolEffect::loop(uint16_t ms) {
if (settings.effects.gol.blend_speed + _blend > 255) {
_blend = 0;
_advance();
} else {
_blend += settings.effects.gol.blend_speed;
}
_draw();
}
void GolEffect::_advance() {
_step++;
_old_hue = _hue;
if (_step >= settings.effects.gol.restart_after_steps) {
_initialize();
} else {
for(uint16_t i=0; i<this->window->count; i++) {
_old[i] = _data[i];
}
uint8_t w = this->window->width;
uint16_t changes = 0;
for(uint8_t x=0; x<this->window->width; x++) for(uint8_t y=0; y<this->window->height; y++) {
uint16_t index = y*w + x;
uint8_t count =
(x>0 && y>0 && _old[index - w - 1]) +
(y>0 && _old[index - w]) +
(x<this->window->width-1 && y>0 && _old[index - w + 1]) +
(x>0 && _old[index - 1]) +
(x<this->window->width-1 && _old[index + 1]) +
(x>0 && y<this->window->height-1 && _old[index + w - 1]) +
(y<this->window->height-1 && _old[index + w]) +
(x<this->window->width-1 && y<this->window->height-1 && _old[index + w + 1]);
if (_old[index]==0 && count==3) {
// birth
_data[index]=1;
changes++;
}
if (_old[index]>0) {
if (count<2 || count>3) {
//death
_data[index]=0;
changes++;
} else if (_data[index] < 255) {
//ageing
_data[index]++;
}
}
}
if (changes == 0) {
_initialize();
}
}
}
void GolEffect::_draw() {
for(uint16_t i=0; i<this->window->count; i++) {
CRGB o = _old[i]==0 ? CRGB::Black : (CRGB)CHSV(_old_hue, 180, 255);
CRGB n = _data[i]==0 ? CRGB::Black : (CRGB)CHSV(_hue, 180, 255);
CRGB result = nblend(o, n, _blend);
this->window->setPixelByIndex(i, &result);
}
}