From 224f2beb231a105ffeed3dcbf7f715e3dc0b59aa Mon Sep 17 00:00:00 2001
From: Felix Pankratz <mail@felixpankratz.de>
Date: Tue, 17 Dec 2024 12:29:01 +0100
Subject: [PATCH] =?UTF-8?q?=F0=9F=8C=88=20rainbow=20supercomputaa?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 nametag/src/enums.h           |  3 ++-
 nametag/src/main.cpp          |  7 ++++++
 nametag/src/supercomputer.cpp | 40 +++++++++++++++++++++++++++++++++++
 nametag/src/supercomputer.h   |  2 ++
 4 files changed, 51 insertions(+), 1 deletion(-)
 create mode 100644 nametag/src/supercomputer.cpp
 create mode 100644 nametag/src/supercomputer.h

diff --git a/nametag/src/enums.h b/nametag/src/enums.h
index 34928b6..9bf3533 100644
--- a/nametag/src/enums.h
+++ b/nametag/src/enums.h
@@ -8,6 +8,7 @@ enum Mode {
 
 enum DisplayStyle {
   Rain,
-  Congress
+  Congress,
+  Supercomputer
 };
 #endif
diff --git a/nametag/src/main.cpp b/nametag/src/main.cpp
index aab3099..332a2a3 100644
--- a/nametag/src/main.cpp
+++ b/nametag/src/main.cpp
@@ -6,6 +6,7 @@
 #include "constants.h"
 #include "congress.h"
 #include "rain.h"
+#include "supercomputer.h"
 
 #include "pillowlava8pt7b.h"
 
@@ -65,6 +66,9 @@ void loop() {
         style = Congress;
         break;
       case Congress:
+        style = Supercomputer;
+        break;
+      case Supercomputer:
         style = Rain;
         break;
     }
@@ -78,6 +82,9 @@ void loop() {
     case Congress:
       draw_congress(matrix, mode);
       break;
+    case Supercomputer:
+      draw_supercomputer(matrix);
+      break;
   }
 }
 
diff --git a/nametag/src/supercomputer.cpp b/nametag/src/supercomputer.cpp
new file mode 100644
index 0000000..18e5fb8
--- /dev/null
+++ b/nametag/src/supercomputer.cpp
@@ -0,0 +1,40 @@
+#include <Arduino.h>
+#include <FastLED.h>
+#include "constants.h"
+#include "supercomputer.h"
+
+struct Cell {
+  float state;
+  float factor;
+};
+
+float cell_value(Cell c) {
+  return (1.0 + sin(c.state * c.factor)) * 0.5;
+}
+
+Cell cells[PANEL_WIDTH * PANEL_HEIGHT];
+bool cells_setup = false;
+
+void setup_cells() {
+  for(int i = 0; i < PANEL_WIDTH * PANEL_HEIGHT; i++) {
+    cells[i].state = random(100, 1000) / 100.0;
+    cells[i].factor = random(90, 110) / 100.0;
+  }
+}
+
+void draw_supercomputer(MatrixPanel_I2S_DMA *matrix) {
+  if (!cells_setup) {
+    setup_cells();
+    cells_setup = true;
+  }
+  for(int i = 0; i < PANEL_WIDTH * PANEL_HEIGHT; i++) {
+    cells[i].state += 0.3;
+    //matrix->drawPixel(i % PANEL_WIDTH, i / PANEL_WIDTH, matrix->color565((int)round(255.0 * cell_value(cells[i])), 0, 0));
+    int x = i % PANEL_WIDTH;
+    float progress = (255.0 / PANEL_WIDTH) * x;
+    CHSV hsv_color((int)round(progress), 255, 255 * cell_value(cells[i]));
+    CRGB rgb;
+    hsv2rgb_rainbow(hsv_color, rgb);
+    matrix->drawPixel(i % PANEL_WIDTH, i / PANEL_WIDTH, matrix->color565(rgb.r, rgb.g, rgb.b));
+  }
+}
diff --git a/nametag/src/supercomputer.h b/nametag/src/supercomputer.h
new file mode 100644
index 0000000..9297e2d
--- /dev/null
+++ b/nametag/src/supercomputer.h
@@ -0,0 +1,2 @@
+#include <ESP32-HUB75-MatrixPanel-I2S-DMA.h>
+void draw_supercomputer(MatrixPanel_I2S_DMA *matrix);