62 lines
2.3 KiB
C
62 lines
2.3 KiB
C
// Copyright (C) 2022 @filterpaper
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// SPDX-License-Identifier: GPL-2.0-or-later
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// Inspired by 4x12 fractal from @GEIGEIGEIST
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#ifdef ENABLE_RGB_MATRIX_PIXEL_FRACTAL
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RGB_MATRIX_EFFECT(PIXEL_FRACTAL)
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# ifdef RGB_MATRIX_CUSTOM_EFFECT_IMPLS
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static bool PIXEL_FRACTAL(effect_params_t* params) {
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# if MATRIX_COLS < 2
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# define MID_COL 1
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# else
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# define MID_COL MATRIX_COLS / 2
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# endif
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static bool led[MATRIX_ROWS][MID_COL];
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static uint32_t wait_timer = 0;
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inline uint32_t interval(void) {
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return 3000 / scale16by8(qadd8(rgb_matrix_config.speed, 16), 16);
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}
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if (params->init) {
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rgb_matrix_set_color_all(0, 0, 0);
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}
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RGB_MATRIX_USE_LIMITS(led_min, led_max);
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if (g_rgb_timer > wait_timer) {
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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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// Light and copy columns outward
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for (uint8_t l = 0; l < MID_COL - 1; ++l) {
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if (led[h][l]) {
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rgb_matrix_set_color(g_led_config.matrix_co[h][l], rgb.r, rgb.g, rgb.b);
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rgb_matrix_set_color(g_led_config.matrix_co[h][MATRIX_COLS - 1 - l], rgb.r, rgb.g, rgb.b);
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} else {
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rgb_matrix_set_color(g_led_config.matrix_co[h][l], 0, 0, 0);
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rgb_matrix_set_color(g_led_config.matrix_co[h][MATRIX_COLS - 1 - l], 0, 0, 0);
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}
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led[h][l] = led[h][l + 1];
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}
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// Light both middle columns
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if (led[h][MID_COL - 1]) {
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rgb_matrix_set_color(g_led_config.matrix_co[h][MID_COL - 1], rgb.r, rgb.g, rgb.b);
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rgb_matrix_set_color(g_led_config.matrix_co[h][MATRIX_COLS - MID_COL], rgb.r, rgb.g, rgb.b);
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} else {
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rgb_matrix_set_color(g_led_config.matrix_co[h][MID_COL - 1], 0, 0, 0);
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rgb_matrix_set_color(g_led_config.matrix_co[h][MATRIX_COLS - MID_COL], 0, 0, 0);
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}
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// Generate new random fractal column
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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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}
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return rgb_matrix_check_finished_leds(led_max);
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}
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# endif // RGB_MATRIX_CUSTOM_EFFECT_IMPLS
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#endif // ENABLE_RGB_MATRIX_PIXEL_FRACTAL
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