1 files changed, 26 insertions, 0 deletions

diff --git a/quantum/rgb_matrix_animations/alpha_mods_anim.h b/quantum/rgb_matrix_animations/alpha_mods_anim.h
new file mode 100644
index 000000000..cc1914d7f
--- /dev/null
+++ b/quantum/rgb_matrix_animations/alpha_mods_anim.h
@@ -0,0 +1,26 @@
+#pragma once
+#ifndef DISABLE_RGB_MATRIX_ALPHAS_MODS
+
+extern const rgb_led g_rgb_leds[DRIVER_LED_TOTAL];
+extern rgb_config_t rgb_matrix_config;
+
+// alphas = color1, mods = color2
+bool rgb_matrix_alphas_mods(effect_params_t* params) {
+  RGB_MATRIX_USE_LIMITS(led_min, led_max);
+
+  HSV hsv = { rgb_matrix_config.hue, rgb_matrix_config.sat, rgb_matrix_config.val };
+  RGB rgb1 = hsv_to_rgb(hsv);
+  hsv.h += rgb_matrix_config.speed;
+  RGB rgb2 = hsv_to_rgb(hsv);
+
+  for (uint8_t i = led_min; i < led_max; i++) {
+    if (g_rgb_leds[i].modifier) {
+      rgb_matrix_set_color(i, rgb2.r, rgb2.g, rgb2.b);
+    } else {
+      rgb_matrix_set_color(i, rgb1.r, rgb1.g, rgb1.b);
+    }
+  }
+  return led_max < DRIVER_LED_TOTAL;
+}
+
+#endif // DISABLE_RGB_MATRIX_ALPHAS_MODS