Rework to weak_ptr from lots of shared_ptr.

src/signal.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <raylib.h>
+#include <string>
 #include "moveable.h"
 
 #include "node.h"
@@ -15,11 +16,11 @@ namespace VISEQ::SIGNAL {
 		Signal() {}
 		Signal(Vec2Df position, float r, float _speed, Color color) : Movable(position, Vec2Df(0,0), _speed), radius(r), color(color) {}
 		
-		NODES::SPTR_Node next;
-		NODES::SPTR_Node last;
-		EDGES::SPTR_Edge edge;
+		NODES::WPTR_Node next;
+		NODES::WPTR_Node last;
+		EDGES::WPTR_Edge edge;
 
-		NODES::SPTR_Node start;
+		NODES::WPTR_Node start;
 
 		bool at_target = false;
 		bool run = true;
@@ -34,6 +35,14 @@ namespace VISEQ::SIGNAL {
 
 		int midi_note_offset = 0;
 		int midi_cc_offset = 0;
+	
+		void reset(){
+			toStart();
+		}
+
+		void toStart(){
+			position = start.lock()->position;
+		}
 
 		void update(double t_delta){
 			// 120px / 16th = 1920px / whole note