From 883fff95dd7139686859d24fba9559abc2ceb229 Mon Sep 17 00:00:00 2001
From: localhorst <localhorst@mosad.xyz>
Date: Tue, 6 Jan 2026 21:55:00 +0100
Subject: [PATCH] fix rainbow animation

---
 main/animation.c | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/main/animation.c b/main/animation.c
index d544356..fb0ff76 100644
--- a/main/animation.c
+++ b/main/animation.c
@@ -102,17 +102,21 @@ static void anim_rainbow(void)
     // Rainbow generator
     uint16_t num_leds_a = led_get_num_leds_a();
     uint16_t num_leds_b = led_get_num_leds_b();
+    uint16_t num_leds = num_leds_a + num_leds_b;
 
-    for (uint16_t i = 0; i < num_leds_a; i++)
+    for (uint16_t i = 0; i < num_leds; i++)
     {
         hsv_t hsv = {(uint8_t)(global_hue + (i * 7)), 255, 255};
-        led_set_pixel_a(i, led_hsv_to_rgb(hsv));
-    }
+        rgb_t color = led_hsv_to_rgb(hsv);
 
-    for (uint16_t i = 0; i < num_leds_b; i++)
-    {
-        hsv_t hsv = {(uint8_t)(global_hue + (i * 7)), 255, 255};
-        led_set_pixel_b(i, led_hsv_to_rgb(hsv));
+        if (i < num_leds_a)
+        {
+            led_set_pixel_a(num_leds_a - i - 1, color);
+        }
+        else
+        {
+            led_set_pixel_b(i - num_leds_a, color);
+        }
     }
 }
 
@@ -379,7 +383,7 @@ void animation_update(void)
         anim_white();
         break;
     case ANIM_RAINBOW:
-        // anim_rainbow();
+        anim_rainbow();
         break;
     case ANIM_RAINBOW_GLITTER:
         // anim_rainbow_glitter();