- /* 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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