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56 lines
2.2 KiB
C
56 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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# 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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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)) {
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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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