1 files changed, 22 insertions, 0 deletions

diff --git a/quantum/rgb_matrix_animations/cycle_left_right_anim.h b/quantum/rgb_matrix_animations/cycle_left_right_anim.h
new file mode 100644
index 000000000..f519aeb47
--- /dev/null
+++ b/quantum/rgb_matrix_animations/cycle_left_right_anim.h
@@ -0,0 +1,22 @@
+#pragma once
+#ifndef DISABLE_RGB_MATRIX_CYCLE_LEFT_RIGHT
+
+extern rgb_counters_t g_rgb_counters;
+extern const rgb_led g_rgb_leds[DRIVER_LED_TOTAL];
+extern rgb_config_t rgb_matrix_config;
+
+bool rgb_matrix_cycle_left_right(effect_params_t* params) {
+  RGB_MATRIX_USE_LIMITS(led_min, led_max);
+
+  HSV hsv = { 0, rgb_matrix_config.sat, rgb_matrix_config.val };
+  uint8_t time = scale16by8(g_rgb_counters.tick, rgb_matrix_config.speed / 4);
+  for (uint8_t i = led_min; i < led_max; i++) {
+    point_t point = g_rgb_leds[i].point;
+    hsv.h = point.x - time;
+    RGB rgb = hsv_to_rgb(hsv);
+    rgb_matrix_set_color(i, rgb.r, rgb.g, rgb.b);
+  }
+  return led_max < DRIVER_LED_TOTAL;
+}
+
+#endif // DISABLE_RGB_MATRIX_CYCLE_LEFT_RIGHT