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36 lines
1.5 KiB
C
36 lines
1.5 KiB
C
// Copyright 2022 @filterpaper
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// SPDX-License-Identifier: GPL-2.0+
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#ifdef ENABLE_RGB_MATRIX_PIXEL_RAIN
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RGB_MATRIX_EFFECT(PIXEL_RAIN)
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# ifdef RGB_MATRIX_CUSTOM_EFFECT_IMPLS
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static bool PIXEL_RAIN(effect_params_t* params) {
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static uint8_t index = 0;
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static uint32_t timer = 0;
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if (params->iter == 0 && params->init) {
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index = random8_max(RGB_MATRIX_LED_COUNT);
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}
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RGB_MATRIX_USE_LIMITS(led_min, led_max);
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if (timer < g_rgb_timer) { // Execute when the delay period has elapsed
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if (led_min <= index && index < led_max && HAS_ANY_FLAGS(g_led_config.flags[index], params->flags)) {
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// Assign a random HSV color to hsv with 50% probability, otherwise assign zeroed hsv
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hsv_t hsv = (random8() & 2) ? (hsv_t){0, 0, 0} : (hsv_t){random8(), random8_min_max(127, 255), rgb_matrix_config.hsv.v};
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rgb_t rgb = rgb_matrix_hsv_to_rgb(hsv);
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rgb_matrix_set_color(index, rgb.r, rgb.g, rgb.b);
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}
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if (!rgb_matrix_check_finished_leds(led_max)) {
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// In the final LED range, update the LED index and advance the timer for
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// the next cycle, scaling the delay between 256–2048 ms based on speed.
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index = random8_max(RGB_MATRIX_LED_COUNT);
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timer = g_rgb_timer + (2048 - scale16by8(1792, rgb_matrix_config.speed));
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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_RAIN
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