From f00a164f74f033f2f222bc3a51f851187a372595 Mon Sep 17 00:00:00 2001
From: Felix Pankratz <mail@felixpankratz.de>
Date: Tue, 17 Dec 2024 14:56:57 +0100
Subject: [PATCH] =?UTF-8?q?=E2=97=80=20Make=20the=20rainbow=20move?=
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---
 nametag/src/supercomputer.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/nametag/src/supercomputer.cpp b/nametag/src/supercomputer.cpp
index a17fead..5411475 100644
--- a/nametag/src/supercomputer.cpp
+++ b/nametag/src/supercomputer.cpp
@@ -15,6 +15,7 @@ float cell_value(Cell c) {
 
 Cell cells[PANEL_WIDTH * PANEL_HEIGHT];
 bool cells_setup = false;
+uint8_t rainbow_offset = 0;
 
 void setup_cells() {
   for(int i = 0; i < PANEL_WIDTH * PANEL_HEIGHT; i++) {
@@ -37,10 +38,14 @@ void draw_supercomputer(MatrixPanel_I2S_DMA *matrix, Mode mode) {
     } else {
       // rainbow
       float progress = (255.0 / PANEL_WIDTH) * x;
-      CHSV hsv_color((int)round(progress), 255, 255 * cell_value(cells[i]));
+      uint8_t hue = ((int)round(progress) + rainbow_offset);
+      CHSV hsv_color(hue, 255, 255 * cell_value(cells[i]));
       CRGB rgb;
       hsv2rgb_rainbow(hsv_color, rgb);
       matrix->drawPixel(x, i / PANEL_WIDTH, matrix->color565(rgb.r, rgb.g, rgb.b));
     }
   }
+  if (mode == HighVis) {
+    rainbow_offset++;
+  }
 }