move multiple nodes around with selection box

src/datatypes.h

@@ -7,6 +7,7 @@
 #include <cmath>
 #include <math.h>
 #include "libremidi/libremidi.hpp"
+#include "raylib.h"
 
 enum Distribution {ROUNDROBIN, RANDOM};
 
@@ -41,6 +42,10 @@ class Vec2D{
 			return (x*v.x) + (y*v.y);
 		};
 
+		operator Vector2() const {
+			return (Vector2){x,y};
+		}
+
 		Vec2D orth(Vec2D &v){
 			return Vec2D(-v.y, v.x);
 		};