mirror of
https://github.com/qmk/qmk_firmware.git
synced 2026-09-29 13:30:33 +02:00
Drashna Jaelre
ddde988d0a
This change does two things: * Rounds up instead of down, so that a low count check isn't needed. * When the matrix col is odd, by rounding up, and checking if the right and left indices are the same, skip one since we don't need to process the same column twice.
52 lines
2.2 KiB
C
52 lines
2.2 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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# define MID_COL ((MATRIX_COLS + 1) / 2)
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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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if (params->init) {
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rgb_matrix_set_color_all(0, 0, 0);
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memset(led, 0, sizeof(led));
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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_t rgb = rgb_matrix_hsv_to_rgb(rgb_matrix_config.hsv);
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for (uint8_t row = 0; row < MATRIX_ROWS; ++row) {
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// Light columns outward from center, mirroring each side
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for (uint8_t col = 0; col < MID_COL; ++col) {
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rgb_t index_rgb = led[row][col] ? rgb : (rgb_t){0, 0, 0};
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uint8_t l_idx = g_led_config.matrix_co[row][col];
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uint8_t r_idx = g_led_config.matrix_co[row][MATRIX_COLS - 1 - col];
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if (l_idx >= led_min && l_idx < led_max && HAS_ANY_FLAGS(g_led_config.flags[l_idx], params->flags)) {
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rgb_matrix_set_color(l_idx, index_rgb.r, index_rgb.g, index_rgb.b);
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}
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if (r_idx >= led_min && r_idx < led_max && HAS_ANY_FLAGS(g_led_config.flags[r_idx], params->flags) && r_idx != l_idx) {
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rgb_matrix_set_color(r_idx, index_rgb.r, index_rgb.g, index_rgb.b);
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}
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}
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}
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// Advance state and reset timer only on the final LED range iteration
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if (!rgb_matrix_check_finished_leds(led_max)) {
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for (uint8_t row = 0; row < MATRIX_ROWS; ++row) {
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memmove(led[row], led[row] + 1, (MID_COL - 1) * sizeof(bool));
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led[row][MID_COL - 1] = !(random8() & 3);
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}
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wait_timer = g_rgb_timer + 3000 / scale16by8(qadd8(rgb_matrix_config.speed, 16), 16);
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}
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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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