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