restructure and add server/client example

shared/inc/canvas/Tree.hpp

@@ -0,0 +1,44 @@
+#include <cstdint>
+#include <vector>
+#include <list>
+#include <raylib.h>
+
+#include "values/Dna.hpp"
+
+struct DrawArgs
+{
+  Vector2 start;
+  float angleDeg;
+  int dep;
+  Color parent;
+  int size;
+};
+
+class Tree
+{
+
+public:
+  Tree() = default;
+  ~Tree() = default;
+  void init(int size);
+  void draw(Dna *dna);
+  bool tick();
+
+private:
+  Dna *m_dna;
+  uint128 branchSeed;
+
+  int canvasSize = 0;
+  Vector2 start = {0};
+  std::list<DrawArgs> drawCalls;
+
+  void drawBranch();
+
+  inline size_t getNumOfBranches(int dep);
+  inline Color getStartColor(DrawArgs &arg);
+  inline Color getEndColor(int dep, Color &start);
+  inline int getStartSize(DrawArgs &arg);
+  inline int getEndSize(DrawArgs &arg, int start);
+  inline float getLength(DrawArgs &arg);
+  inline float getAngleVar(DrawArgs &arg);
+};