The beginnings of a rework

include/SerpentineArrangement.h

@@ -0,0 +1,31 @@
+#ifndef SERPENTINEARRANGEMENT_H
+#define SERPENTINEARRANGEMENT_H
+
+#include "ILEDArrangement.h"
+
+class SerpentineArrangement : public ILEDArrangement {
+    public:
+        SerpentineArrangement(bool _isColumnSerpentine) : isColumnSerpentine(_isColumnSerpentine) {}
+        virtual ~SerpentineArrangement() {}
+
+        int16_t XY(int16_t x, int16_t y, int16_t width, int16_t height) {
+            if(isColumnSerpentine) {
+                if(x & 0x1) {
+                    return x * height + (height - 1 - y);
+                } else {
+                    return x * height + y;
+                }
+            } else {
+                if(y & 0x1) {
+                    return y * width + (width - 1 - x);
+                } else {
+                    return y * width + x;
+                }
+            }
+        }
+    private:
+        bool
+            isColumnSerpentine;
+};
+
+#endif