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-rw-r--r--docs/feature_rgb_matrix.md2
-rw-r--r--quantum/rgb_matrix/animations/pixel_rain_anim.h44
-rw-r--r--quantum/rgb_matrix/animations/rgb_matrix_effects.inc1
3 files changed, 47 insertions, 0 deletions
diff --git a/docs/feature_rgb_matrix.md b/docs/feature_rgb_matrix.md
index cad7c50f18..6370c637a2 100644
--- a/docs/feature_rgb_matrix.md
+++ b/docs/feature_rgb_matrix.md
@@ -454,6 +454,7 @@ enum rgb_matrix_effects {
RGB_MATRIX_HUE_PENDULUM, // Hue shifts up a slight ammount in a wave to the right, then back to the left
RGB_MATRIX_HUE_WAVE, // Hue shifts up a slight ammount and then back down in a wave to the right
RGB_MATRIX_FRACTAL, // Single hue fractal filled keys pulsing horizontally out to edges
+ RGB_MATRIX_PIXEL_RAIN, // Randomly light keys with random hues
#if define(RGB_MATRIX_FRAMEBUFFER_EFFECTS)
RGB_MATRIX_TYPING_HEATMAP, // How hot is your WPM!
RGB_MATRIX_DIGITAL_RAIN, // That famous computer simulation
@@ -508,6 +509,7 @@ You can disable a single effect by defining `DISABLE_[EFFECT_NAME]` in your `con
|`#define DISABLE_RGB_MATRIX_HUE_PENDULUM` |Disables `RGB_MATRIX_HUE_PENDULUM` |
|`#define DISABLE_RGB_MATRIX_HUE_WAVE` |Disables `RGB_MATRIX_HUE_WAVE` |
|`#define DISABLE_RGB_MATRIX_FRACTAL` |Disables `RGB_MATRIX_FRACTAL` |
+|`#define DISABLE_RGB_MATRIX_PIXEL_RAIN ` |Disables `RGB_MATRIX_PIXEL_RAIN ` |
|`#define DISABLE_RGB_MATRIX_TYPING_HEATMAP` |Disables `RGB_MATRIX_TYPING_HEATMAP` |
|`#define DISABLE_RGB_MATRIX_DIGITAL_RAIN` |Disables `RGB_MATRIX_DIGITAL_RAIN` |
|`#define DISABLE_RGB_MATRIX_SOLID_REACTIVE_SIMPLE` |Disables `RGB_MATRIX_SOLID_REACTIVE_SIMPLE` |
diff --git a/quantum/rgb_matrix/animations/pixel_rain_anim.h b/quantum/rgb_matrix/animations/pixel_rain_anim.h
new file mode 100644
index 0000000000..0209d33033
--- /dev/null
+++ b/quantum/rgb_matrix/animations/pixel_rain_anim.h
@@ -0,0 +1,44 @@
+/* Copyright (C) 2021 @filterpaper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#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;
+ if (wait_timer > g_rgb_timer) { return false; }
+
+ inline uint32_t interval(void) { return 500 / scale16by8(qadd8(rgb_matrix_config.speed, 16), 16); }
+
+ bool rain_pixel(uint8_t i, effect_params_t* params, bool off) {
+ if (!HAS_ANY_FLAGS(g_led_config.flags[i], params->flags)) { return true; }
+ if (off) {
+ rgb_matrix_set_color(i, 0,0,0);
+ } else {
+ HSV hsv = {random8(), qadd8(random8() >> 1, 127), rgb_matrix_config.hsv.v};
+ RGB rgb = rgb_matrix_hsv_to_rgb(hsv);
+ rgb_matrix_set_color(i, rgb.r, rgb.g, rgb.b);
+ }
+ wait_timer = g_rgb_timer + interval();
+ return false;
+ }
+
+ return rain_pixel(mod8(random8(), DRIVER_LED_TOTAL), params, random8() & 2);
+}
+
+# endif // RGB_MATRIX_CUSTOM_EFFECT_IMPLS
+#endif // ENABLE_RGB_MATRIX_PIXEL_RAIN
diff --git a/quantum/rgb_matrix/animations/rgb_matrix_effects.inc b/quantum/rgb_matrix/animations/rgb_matrix_effects.inc
index 33d2b42286..8ecf4367ff 100644
--- a/quantum/rgb_matrix/animations/rgb_matrix_effects.inc
+++ b/quantum/rgb_matrix/animations/rgb_matrix_effects.inc
@@ -27,6 +27,7 @@
#include "hue_pendulum_anim.h"
#include "hue_wave_anim.h"
#include "fractal_anim.h"
+#include "pixel_rain_anim.h"
#include "typing_heatmap_anim.h"
#include "digital_rain_anim.h"
#include "solid_reactive_simple_anim.h"