qmk-firmware/quantum/rgb_matrix/animations/pixel_rain_anim.h
2023-01-16 17:54:51 -08:00

38 lines
1.2 KiB
C

// Copyright 2022 @filterpaper
// SPDX-License-Identifier: GPL-2.0+
#ifdef ENABLE_RGB_MATRIX_PIXEL_RAIN
RGB_MATRIX_EFFECT(PIXEL_RAIN)
# ifdef RGB_MATRIX_CUSTOM_EFFECT_IMPLS
static bool PIXEL_RAIN(effect_params_t* params) {
static uint32_t wait_timer = 0;
inline uint32_t interval(void) {
return 500 / scale16by8(qadd8(rgb_matrix_config.speed, 16), 16);
}
inline void rain_pixel(uint8_t led_index) {
if (!HAS_ANY_FLAGS(g_led_config.flags[led_index], params->flags)) {
return;
}
if (random8() & 2) {
rgb_matrix_set_color(led_index, 0, 0, 0);
} else {
HSV hsv = {random8(), random8_min_max(127, 255), rgb_matrix_config.hsv.v};
RGB rgb = rgb_matrix_hsv_to_rgb(hsv);
rgb_matrix_set_color(led_index, rgb.r, rgb.g, rgb.b);
}
wait_timer = g_rgb_timer + interval();
}
RGB_MATRIX_USE_LIMITS(led_min, led_max);
if (g_rgb_timer > wait_timer) {
rain_pixel(random8_max(RGB_MATRIX_LED_COUNT));
}
return rgb_matrix_check_finished_leds(led_max);
}
# endif // RGB_MATRIX_CUSTOM_EFFECT_IMPLS
#endif // ENABLE_RGB_MATRIX_PIXEL_RAIN