wip rework of interaction event system - broken right now

src/draggable.h

@@ -4,6 +4,7 @@
 #include "selectable.h"
 #include "state.h"
 #include "vmath.h"
+#include <chrono>
 
 namespace VISEQ::BASE {
 	class Draggable : public Movable, public Selectable{
@@ -19,8 +20,11 @@ namespace VISEQ::BASE {
 
 			bool picked_up = false;
 
+            std::chrono::time_point<std::chrono::high_resolution_clock> last_tp;
+
 			virtual bool entered() override;
 			virtual bool exited() override;
+            virtual bool clicked() override;
 			virtual bool pickedUp();
 			virtual void pickUp() override;
 			virtual void pickUp(Vec2Df selection_origin) override;