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/* Copyright (C) 2021 @filterpaper
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
// Inspired from 4x12 fractal created by @schwarzgrau
#ifdef ENABLE_RGB_MATRIX_PIXEL_FRACTAL
RGB_MATRIX_EFFECT(PIXEL_FRACTAL)
# ifdef RGB_MATRIX_CUSTOM_EFFECT_IMPLS
static bool PIXEL_FRACTAL(effect_params_t* params) {
# define MID_COL MATRIX_COLS / 2
static bool led[MATRIX_ROWS][MATRIX_COLS];
static uint32_t wait_timer = 0;
if (wait_timer > g_rgb_timer) {
return false;
}
inline uint32_t interval(void) { return 3000 / scale16by8(qadd8(rgb_matrix_config.speed, 16), 16); }
RGB rgb = rgb_matrix_hsv_to_rgb(rgb_matrix_config.hsv);
for (uint8_t h = 0; h < MATRIX_ROWS; ++h) {
for (uint8_t l = 0; l < MID_COL - 1; ++l) { // Light and move left columns outwards
if (led[h][l]) {
rgb_matrix_set_color(g_led_config.matrix_co[h][l], rgb.r, rgb.g, rgb.b);
} else {
rgb_matrix_set_color(g_led_config.matrix_co[h][l], 0, 0, 0);
}
led[h][l] = led[h][l + 1];
}
for (uint8_t r = MATRIX_COLS - 1; r > MID_COL; --r) { // Light and move right columns outwards
if (led[h][r]) {
rgb_matrix_set_color(g_led_config.matrix_co[h][r], rgb.r, rgb.g, rgb.b);
} else {
rgb_matrix_set_color(g_led_config.matrix_co[h][r], 0, 0, 0);
}
led[h][r] = led[h][r - 1];
}
// Light both middle columns
if (led[h][MID_COL]) {
rgb_matrix_set_color(g_led_config.matrix_co[h][MID_COL], rgb.r, rgb.g, rgb.b);
} else {
rgb_matrix_set_color(g_led_config.matrix_co[h][MID_COL], 0, 0, 0);
}
if (led[h][MID_COL - 1]) {
rgb_matrix_set_color(g_led_config.matrix_co[h][MID_COL - 1], rgb.r, rgb.g, rgb.b);
} else {
rgb_matrix_set_color(g_led_config.matrix_co[h][MID_COL - 1], 0, 0, 0);
}
// Generate new random fractal columns
led[h][MID_COL] = led[h][MID_COL - 1] = (random8() & 3) ? false : true;
}
wait_timer = g_rgb_timer + interval();
return false;
}
# endif // RGB_MATRIX_CUSTOM_EFFECT_IMPLS
#endif // ENABLE_RGB_MATRIX_PIXEL_FRACTAL
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