polar snapping now very goood!

src/datatypes.h

@@ -25,6 +25,27 @@
 
 enum Distribution {GEOMETRIC, ROUNDROBIN, RANDOM};
 
+// Types
+
+class GraphItem;
+class Node;
+class Edge;
+class Signal;
+
+#define RANGE_FILTER(L) std::ranges::views::filter(L)
+
+typedef std::shared_ptr<GraphItem> SPTR_GraphItem;
+typedef std::shared_ptr<Node> SPTR_Node;
+typedef std::shared_ptr<Edge> SPTR_Edge;
+
+typedef std::shared_ptr<Signal> SPTR_Signal;
+
+typedef std::vector<SPTR_GraphItem> VEC_SPTR_GraphItem;
+typedef std::vector<SPTR_Node> VEC_SPTR_Node;
+typedef std::vector<SPTR_Edge> VEC_SPTR_Edge;
+typedef std::vector<SPTR_Signal> VEC_SPTR_Signal;
+
+
 // 2D Vectors
 
 template<typename T>
@@ -155,6 +176,16 @@ Vec2D<T> operator*(const Vec2D<T> left, T scalar){
 	return Vec2D<T>(left.x * scalar, left.y * scalar);
 };
 
+template<typename T>
+Vec2D<T> cartesianToPolar(T x, T y) {
+    return Vec2D<T>{sqrt(x * x + y * y), atan(y / x)}; // r,theta
+}
+
+template<typename T>
+Vec2D<T> polarToCartesian(T r, T q) {
+    return Vec2D<T>{r * cos(q), r * sin(q)};
+}
+
 // App Settings
 struct AppSettings{
 	int mode = 0;