diff --git a/Makefile b/Makefile
index 13c4406..343962e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,14 +1,14 @@
 CXX = g++
-CXXFLAGS = -std=c++23 -Wall -g -fno-omit-frame-pointer -gdwarf-4 -Og -Wnarrowing -DLIBREMIDI_ALSA=1
-CXXINC = -Iinclude
+CXXFLAGS = -std=c++23 -Wall -g -fno-omit-frame-pointer -gdwarf-4 -Og -Wnarrowing -DLIBREMIDI_ALSA=1 -DLIBREMIDI_HEADER_ONLY=1
+CXXINC = -isysteminclude
 
-LDLIBS = -lraylib -lasound -pthread 
+LDLIBS = -lraylib -lasound -llibremidi -pthread 
 LDFLAGS = -Llib -L/usr/lib -L/usr/local/lib
 
 hdr_files = ${wildcard src/*.h}
 
 src_files = ${wildcard src/*.cpp}
-src_files += ${wildcard include/libremidi/*.cpp}
+#src_files += ${wildcard include/libremidi/*.cpp}
 
 all: viseq
 	
@@ -20,13 +20,13 @@ $(src_files): %.cpp : %_src
 	$(CXX) -c $@ -o build/$(*F).o $(CXXFLAGS) $(CXXINC)
 
 $(hdr_files): %.h : %_hdr
-	@echo "G++  >---------- $(*F).h -----------<"
+	$(NOECHO) $(NOOP)
 
 %_src:
-	@echo "G++  >---------- $(*F).cpp -----------<"
+	$(NOECHO) $(NOOP)
 
 %_hdr:
-	@echo "G++  >---------- $(*F).h -----------<"
+	$(NOECHO) $(NOOP)
 
 clean:
 	rm -f build/*
diff --git a/lib/liblibremidi.a b/lib/liblibremidi.a
new file mode 100644
index 0000000..f9894dd
Binary files /dev/null and b/lib/liblibremidi.a differ
diff --git a/src/state-manager.h b/src/app-manager.h
similarity index 92%
rename from src/state-manager.h
rename to src/app-manager.h
index e83e203..68dc4d8 100644
--- a/src/state-manager.h
+++ b/src/app-manager.h
@@ -14,16 +14,10 @@
 
 namespace VISEQ::APP {
 
-	class AppState{
+	class AppManager{
 		public:
 			
-			AppState() : sm(&gm, &mutex), ui(&settings, &sm, &gm) {}
-
-			enum States {IDLE, CONFIG};
-			
-			AppSettings settings;
-
-			States state;
+			AppManager() : sm(&gm, &mutex), ui(&sm, &gm) {}
 
 			std::mutex mutex;
 
@@ -144,11 +138,11 @@ namespace VISEQ::APP {
 			}
 	};
 
-	inline void to_json(json& j, const AppState& A){
-		j = json{{"graphmanager", A.gm}, {"signalmanager", A.sm}, {"settings",A.settings}};
+	inline void to_json(json& j, const AppManager& A){
+		j = json{{"graphmanager", A.gm}, {"signalmanager", A.sm}};
 	}
 	
-	inline void from_json(const json& j, AppState& A){
+	inline void from_json(const json& j, AppManager& A){
 		j.at("graphmanager").get_to(A.gm); // = json{{"graphmanager", A.gm}, {"signalmanager", A.sm}};
 	}
 }
diff --git a/src/button.h b/src/button.h
index bc49f2f..5967067 100644
--- a/src/button.h
+++ b/src/button.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include "datatypes.h"
+#include "vmath.h"
 #include "raylib.h"
 #include "raymath.h"
 
diff --git a/src/connectable.h b/src/connectable.h
index 1a885cf..e6c3a2b 100644
--- a/src/connectable.h
+++ b/src/connectable.h
@@ -25,7 +25,7 @@ namespace VISEQ::BASE {
 
 			virtual void drag() override {
 				Vec2Df mp = {GetMousePosition().x, GetMousePosition().y};
-				DrawLineV(position, mp, (Color){229, 181, 103, 255});
+				DrawLineV(position, state->mod_mouse, (Color){229, 181, 103, 255});
 			}
 			
 			void update() override{
diff --git a/src/datatypes.h b/src/datatypes.h
index 71db971..a3fef9c 100644
--- a/src/datatypes.h
+++ b/src/datatypes.h
@@ -18,8 +18,6 @@
 #define VS_COLOR_BROWN (Color){84, 75, 61, 255}
 #define VS_COLOR_SUN (Color){214, 170, 21, 255}
 
-#include "vmath.h"
-
 #include "nlohmann/json.hpp"
 using json = nlohmann::json;
 
@@ -33,19 +31,6 @@ namespace VISEQ::GRAPH::NODES {
 	enum Distribution {GEOMETRIC, ROUNDROBIN, RANDOM};
 }
 
-namespace VISEQ::APP{
-	struct AppSettings{
-		int mode = 0;
-		int width;
-		int height;
-		float grid;
-		float bpm;
-		float fps;
-		float speed = 16.0f;
-		int gui_selected_midi_out;
-	};
-	NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE_WITH_DEFAULT(AppSettings, mode, width, height, grid, bpm, fps, speed, gui_selected_midi_out)
-}
 
 namespace VISEQ::GRAPH{
 	enum GraphItemType {NODE, EDGE};
diff --git a/src/draggable.h b/src/draggable.h
index dd0dc28..21a0175 100644
--- a/src/draggable.h
+++ b/src/draggable.h
@@ -26,8 +26,7 @@ namespace VISEQ::BASE {
 			}
 
 			virtual void drag() {
-				Vec2Df mp = {GetMousePosition().x, GetMousePosition().y};
-				position = mp + drag_offset;
+				position = state->mod_mouse + drag_offset;
 			}
 
 			virtual void putDown(){
diff --git a/src/graph-item.h b/src/graph-item.h
index e0c208e..033de38 100644
--- a/src/graph-item.h
+++ b/src/graph-item.h
@@ -1,7 +1,9 @@
 #pragma once
 
+#include "globals.h"
 #include "raylib.h"
 #include "datatypes.h"
+#include <memory>
 
 namespace VISEQ::GRAPH {
 	class GraphItem{
@@ -13,7 +15,9 @@ namespace VISEQ::GRAPH {
 				graphItemType = G.graphItemType;
 			}
 			GraphItemType graphItemType;
-			
+
+			std::shared_ptr<APP::State> state = APP::State::get();
+
 			int id = 0;
 
 			void newId(int start){
diff --git a/src/graph-manager.h b/src/graph-manager.h
index a7dd299..d2ecd24 100644
--- a/src/graph-manager.h
+++ b/src/graph-manager.h
@@ -2,6 +2,7 @@
 
 
 #include "datatypes.h"
+#include "vmath.h"
 #include "raylib.h"
 #include "raymath.h"
 
@@ -264,42 +265,44 @@ namespace VISEQ::GRAPH {
 				}
 			}
 
-			void drawNodes(Vec2Df mouse_pos, Camera2D camera){
+			void drawNeighborLines(SPTR_Node node, Vec2Df mouse_pos, Camera2D camera){
 				float min_d = 480;
+				auto neighbors_local = nodes | RANGE_FILTER([mouse_pos](SPTR_Node n){ return !n->picked_up && !n->selected && n->position.dist(mouse_pos) < 960;}) | std::ranges::to<VEC_SPTR_Node>();
+				std::sort(neighbors_local.begin(), neighbors_local.end(), [node, mouse_pos](SPTR_Node na, SPTR_Node nb){ return na->position.dist(mouse_pos) < nb->position.dist(mouse_pos);});
+				if(!neighbors_local.empty()){
+					min_d = neighbors_local.front()->position.dist(mouse_pos);
+					DrawCircleLinesV(neighbors_local.front()->position, 22.0f, VS_COLOR_PINK);
+					node->neighbors = neighbors_local | std::ranges::views::filter([mouse_pos, min_d](SPTR_Node n){return abs(n->position.dist(mouse_pos) - min_d) < 5;}) | std::ranges::to<VEC_SPTR_Node>();
+					for(auto nb : node->neighbors){
+						DrawCircleLinesV(nb->position, 20.0f, VS_COLOR_RED);
+						float d = nb->position.dist(mouse_pos);
+						float dn = nb->position.dist(node->position);
+						if(d > 0 && d < min_d*1.5 && d < 960) {
+							std::string frac = MIDI::Fractions.at(std::clamp<int>(round(dn/60) - 1, 0, 31));
+							Vector2 text_length = MeasureTextEx(GetFontDefault(), std::format("{:.1f}",dn).c_str(), 10.0f, 2.0f); 
+							Vector2 text_length_frac = MeasureTextEx(GetFontDefault(), frac.c_str(), 10.0f, 2.0f); 
+							
+							Vec2Df middle_handle = nb->position + (node->position - nb->position) * ((dn - text_length.x)*0.5f)/dn;
+							Vec2Df middle_handle_frac = nb->position + (node->position - nb->position) * ((dn - text_length_frac.x)*0.5f)/dn;
+							Vec2Df text_position = middle_handle + (nb->position - node->position).norm().orth() * 12.0f;
+							Vec2Df text_position_frac = middle_handle_frac - (nb->position - node->position).norm().orth() * 4.0f;
+
+							float rotation = Vector2Angle((Vector2){1,0}, (node->position - nb->position)) * RAD2DEG;
+							DrawTextPro(GetFontDefault(), std::format("{:.1f}",dn).c_str(), text_position, (Vector2){0,0}, rotation, 10.0f, 2.0f, VS_COLOR_PINK);
+							if(IsKeyDown(KEY_LEFT_SHIFT)) DrawTextPro(GetFontDefault(), frac.c_str(), text_position_frac, (Vector2){0,0}, rotation, 10.0f, 2.0f, VS_COLOR_PINK);
+							Vec2Df n_position = node->position - ((node->position - nb->position)).norm() * 20.0f;
+							Vec2Df nb_position = nb->position - ((nb->position - node->position)).norm() * 20.0f;
+							DrawLineV(n_position, nb_position, VS_COLOR_PINK);
+						}
+						
+					}
+				}
+			}
+
+			void drawNodes(Vec2Df mouse_pos, Camera2D camera){
 				for(auto n : nodes){
 					n->update();
-					if(n->picked_up){
-						auto neighbors_local = nodes | RANGE_FILTER([mouse_pos](SPTR_Node n){ return !n->picked_up && !n->selected && n->position.dist(mouse_pos) < 960;}) | std::ranges::to<VEC_SPTR_Node>();
-						std::sort(neighbors_local.begin(), neighbors_local.end(), [n, mouse_pos](SPTR_Node na, SPTR_Node nb){ return na->position.dist(mouse_pos) < nb->position.dist(mouse_pos);});
-						if(!neighbors_local.empty()){
-							min_d = neighbors_local.front()->position.dist(mouse_pos);
-							DrawCircleLinesV(neighbors_local.front()->position, 22.0f, VS_COLOR_PINK);
-							n->neighbors = neighbors_local | std::ranges::views::filter([mouse_pos, min_d](SPTR_Node n){return abs(n->position.dist(mouse_pos) - min_d) < 5;}) | std::ranges::to<VEC_SPTR_Node>();
-							for(auto nb : n->neighbors){
-								DrawCircleLinesV(nb->position, 20.0f, VS_COLOR_RED);
-								float d = nb->position.dist(mouse_pos);
-								float dn = nb->position.dist(n->position);
-								if(d > 0 && d < min_d*1.5 && d < 960) {
-									std::string frac = MIDI::Fractions.at(std::clamp<int>(round(dn/60) - 1, 0, 31));
-									Vector2 text_length = MeasureTextEx(GetFontDefault(), std::format("{:.1f}",dn).c_str(), 10.0f, 2.0f); 
-									Vector2 text_length_frac = MeasureTextEx(GetFontDefault(), frac.c_str(), 10.0f, 2.0f); 
-									
-									Vec2Df middle_handle = nb->position + (n->position - nb->position) * ((dn - text_length.x)*0.5f)/dn;
-									Vec2Df middle_handle_frac = nb->position + (n->position - nb->position) * ((dn - text_length_frac.x)*0.5f)/dn;
-									Vec2Df text_position = middle_handle + (nb->position - n->position).norm().orth() * 12.0f;
-									Vec2Df text_position_frac = middle_handle_frac - (nb->position - n->position).norm().orth() * 4.0f;
-
-									float rotation = Vector2Angle((Vector2){1,0}, (n->position - nb->position)) * RAD2DEG;
-									DrawTextPro(GetFontDefault(), std::format("{:.1f}",dn).c_str(), text_position, (Vector2){0,0}, rotation, 10.0f, 2.0f, VS_COLOR_PINK);
-									if(IsKeyDown(KEY_LEFT_SHIFT)) DrawTextPro(GetFontDefault(), frac.c_str(), text_position_frac, (Vector2){0,0}, rotation, 10.0f, 2.0f, VS_COLOR_PINK);
-									Vec2Df n_position = n->position - ((n->position - nb->position)).norm() * 20.0f;
-									Vec2Df nb_position = nb->position - ((nb->position - n->position)).norm() * 20.0f;
-									DrawLineV(n_position, nb_position, VS_COLOR_PINK);
-								}
-								
-							}
-						}
-					}
+					if(n->picked_up) drawNeighborLines(n, mouse_pos, camera);
 					n->draw(mouse_pos, camera);
 				}
 			}
diff --git a/src/main.cpp b/src/main.cpp
index 4bce921..f107f3d 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -5,7 +5,8 @@
  * 2024 Sebastian Kujas
  *
 */
-
+#include "globals.h"
+#include "datatypes.h"
 #include "graph-manager.h"
 #include "node.h"
 #include "vmath.h"
@@ -15,7 +16,7 @@
 #include <raylib.h>
 #include <raymath.h>
 
-#include "state-manager.h"
+#include "app-manager.h"
 #include "datatypes.h"
 #include "midi-node.h"
 
@@ -29,10 +30,13 @@
 
 using json = nlohmann::json;
 
-VISEQ::APP::AppState app;
+VISEQ::APP::AppManager app;
+
+std::shared_ptr<VISEQ::APP::State> state = VISEQ::APP::State::get();
 
 Vec2Df mouse_pos;
 Vec2Df drag_start;
+//Vec2Df global_mouse;
 
 Camera2D camera = { {0} };
 
@@ -59,19 +63,19 @@ int main(){
 
 	app.ui.init();
 
-	app.settings.fps = 60.0f;
-	app.settings.bpm = 120.0f;
-	app.settings.grid = 60.0f; // 120px for a 16th note
+	state->settings.fps = 60.0f;
+	state->settings.bpm = 120.0f;
+	state->settings.grid = 60.0f; // 120px for a 16th note
 
-	app.settings.speed = (app.settings.grid * 16.0f) * (app.settings.bpm / 120.f);
+	state->settings.speed = (state->settings.grid * 16.0f) * (state->settings.bpm / 120.f);
 
-	app.settings.width = monitor_width - 300;
-	app.settings.height = monitor_height - 300;
+	state->settings.width = monitor_width - 300;
+	state->settings.height = monitor_height - 300;
 	
-	SetTargetFPS(app.settings.fps);
+	SetTargetFPS(state->settings.fps);
 
-    camera.target = (Vector2){ app.settings.width/2.0f, app.settings.height/2.0f };
-    camera.offset = (Vector2){ app.settings.width/2.0f, app.settings.height/2.0f };
+    camera.target = (Vector2){ state->settings.width/2.0f, state->settings.height/2.0f };
+    camera.offset = (Vector2){ state->settings.width/2.0f, state->settings.height/2.0f };
     camera.rotation = 0.0f;
     camera.zoom = 1.0f;	
 
@@ -79,7 +83,7 @@ int main(){
 		std::ifstream f("state.json");
 		json graph = json::parse(f);
 
-		app.settings = graph.at("settings");
+		state->settings = graph.at("settings");
 
 		int highest_id = 0;
 		std::shared_ptr<Node> hid;
@@ -139,10 +143,10 @@ int main(){
 		
 	} else {
 		for(int i = 0; i < 4; ++i){
-			app.gm.addMidiNode(Vec2Df{(float)i * app.settings.grid*4 + 7 * app.settings.grid, 2 * app.settings.grid*4});
+			app.gm.addMidiNode(Vec2Df{(float)i * state->settings.grid*4 + 7 * state->settings.grid, 2 * state->settings.grid*4});
 		}
 		for(int i = 3; i >= 0; --i){
-			app.gm.addMidiNode(Vec2Df{(float)i * app.settings.grid*4 + 7 * app.settings.grid, 3 * app.settings.grid*4});
+			app.gm.addMidiNode(Vec2Df{(float)i * state->settings.grid*4 + 7 * state->settings.grid, 3 * state->settings.grid*4});
 		}
 
 		for(int i = 0; i < 8; ++i){
@@ -176,7 +180,7 @@ int main(){
         ClearBackground((Color){46,46,46});
         BeginMode2D(camera);
 
-		app.settings.speed = (app.settings.grid * 16.0f) * (app.settings.bpm / 120.f);
+		state->settings.speed = (state->settings.grid * 16.0f) * (state->settings.bpm / 120.f);
 				
 		Vector2 mp = GetScreenToWorld2D(GetMousePosition(), camera);
 		Vec2Df mouse_pos = {(float)mp.x, (float)mp.y};
@@ -193,34 +197,38 @@ int main(){
 		Vec2Df mouse_delta = {GetMouseDelta().x, GetMouseDelta().y};
         Vec2Df delta = mouse_delta * (-1.0f/camera.zoom);
 
+		state->raw_mouse = mouse_pos;
+		state->mod_mouse = mouse_pos;
+
 		if(IsKeyDown(KEY_LEFT_CONTROL)) {
-			modified_mouse.x = round(mouse_pos.x / app.settings.grid) * app.settings.grid;
-			modified_mouse.y = round(mouse_pos.y / app.settings.grid) * app.settings.grid;
-		} else if(IsKeyDown(KEY_LEFT_SHIFT)){
-			float steps = round((dragNode->neighbors.front()->position.dist(mouse_pos)) / app.settings.grid) * app.settings.grid;
-			if(dragNode->neighbors.size() > 1){
-				Vec2Df dn1 = dragNode->neighbors[0]->position;
-				Vec2Df dn2 = dragNode->neighbors[1]->position;
-				Vec2Df v1_orth = dn1.center(dn2);
-
-				if(dn1.x < dn2.x) std::swap(dn1,dn2);
-
-				float dist = dn1.dist(dn2);
-				float dist_orth = std::sqrt(std::pow(steps,2) - std::pow(dist/2,2));
-
-				if(mouse_pos.y < v1_orth.y) dist_orth *= -1;
-
-				Vec2Df v1_orth_t = v1_orth + (dn1-dn2).norm().orth() * dist_orth;
-				DrawLineV(dn1, dn2, VS_COLOR_RED);
-				DrawLineV(v1_orth, v1_orth_t, VS_COLOR_RED);
-				DrawCircleV(v1_orth, 3.0f, VS_COLOR_RED);
-				dragNode->position = v1_orth_t;
-			} else if(!dragNode->neighbors.empty()){
-				float pol_r = steps;
-				float pol_theta = Vector2Angle(Vec2Df{1,0},(mouse_pos - dragNode->neighbors.front()->position));
-				Vec2Df polar = VISEQ::VMATH::polarToCartesian(pol_r, pol_theta); 
-				dragNode->position = dragNode->neighbors.front()->position + polar;
-			}
+			state->mod_mouse.x = round(mouse_pos.x / state->settings.grid) * state->settings.grid;
+			state->mod_mouse.y = round(mouse_pos.y / state->settings.grid) * state->settings.grid;
+		}
+		/*else if(IsKeyDown(KEY_LEFT_SHIFT)){*/
+		/*	float steps = round((dragNode->neighbors.front()->position.dist(mouse_pos)) / state->settings.grid) * state->settings.grid;*/
+		/*	if(dragNode->neighbors.size() > 1){*/
+		/*		Vec2Df dn1 = dragNode->neighbors[0]->position;*/
+		/*		Vec2Df dn2 = dragNode->neighbors[1]->position;*/
+		/*		Vec2Df v1_orth = dn1.center(dn2);*/
+		/**/
+		/*		if(dn1.x < dn2.x) std::swap(dn1,dn2);*/
+		/**/
+		/*		float dist = dn1.dist(dn2);*/
+		/*		float dist_orth = std::sqrt(std::pow(steps,2) - std::pow(dist/2,2));*/
+		/**/
+		/*		if(mouse_pos.y < v1_orth.y) dist_orth *= -1;*/
+		/**/
+		/*		Vec2Df v1_orth_t = v1_orth + (dn1-dn2).norm().orth() * dist_orth;*/
+		/*		DrawLineV(dn1, dn2, VS_COLOR_RED);*/
+		/*		DrawLineV(v1_orth, v1_orth_t, VS_COLOR_RED);*/
+		/*		DrawCircleV(v1_orth, 3.0f, VS_COLOR_RED);*/
+		/*		dragNode->position = v1_orth_t;*/
+		/*	} else if(!dragNode->neighbors.empty()){*/
+		/*		float pol_r = steps;*/
+		/*		float pol_theta = Vector2Angle(Vec2Df{1,0},(mouse_pos - dragNode->neighbors.front()->position));*/
+		/*		Vec2Df polar = VISEQ::VMATH::polarToCartesian(pol_r, pol_theta); */
+		/*		dragNode->position = dragNode->neighbors.front()->position + polar;*/
+		/*	}*/
 	//	auto dragging_nodes = app.gm.nodes | RANGE_FILTER([](SPTR_Node n) { return n->dragging;});
 		/*auto connecting_nodes = app.gm.nodes | RANGE_FILTER([](SPTR_Node n) { return n->connecting;});*/
 		/*auto selected_nodes = app.gm.nodes | RANGE_FILTER([](SPTR_Node n) { return n->selected && !n->picked_up;}) | std::ranges::to<VEC_SPTR_Node>();*/
@@ -245,8 +253,8 @@ int main(){
 		/*if(!copied_nodes.empty() && IsKeyDown(KEY_LEFT_CONTROL) && IsKeyPressed(KEY_V)) istate = InteractionState::PASTE_SELECTED_NODES;*/
 		/**/
 		/*if(IsKeyPressed(KEY_TAB)) {*/
-		/*	app.settings.mode = (app.settings.mode + 1) % 3;*/
-		/*	app.gm.setNodeMode(app.settings.mode);*/
+		/*	state->settings.mode = (state->settings.mode + 1) % 3;*/
+		/*	app.gm.setNodeMode(state->settings.mode);*/
 		/*}*/
 
 		/*if(!selected_nodes.empty()){*/
@@ -381,10 +389,10 @@ int main(){
 		/*			}*/
 		/**/
 		/*			if(IsKeyDown(KEY_LEFT_CONTROL)) {*/
-		/*				dragNode->position.x = round((mouse_pos.x + dragNode->drag_offset.x) / app.settings.grid) * app.settings.grid;*/
-		/*				dragNode->position.y = round((mouse_pos.y + dragNode->drag_offset.y) / app.settings.grid) * app.settings.grid;*/
+		/*				dragNode->position.x = round((mouse_pos.x + dragNode->drag_offset.x) / state->settings.grid) * state->settings.grid;*/
+		/*				dragNode->position.y = round((mouse_pos.y + dragNode->drag_offset.y) / state->settings.grid) * state->settings.grid;*/
 		/*			} else if(IsKeyDown(KEY_LEFT_SHIFT)){*/
-		/*				float steps = round((dragNode->neighbors.front()->position.dist(mouse_pos)) / app.settings.grid) * app.settings.grid;*/
+		/*				float steps = round((dragNode->neighbors.front()->position.dist(mouse_pos)) / state->settings.grid) * state->settings.grid;*/
 		/*				if(dragNode->neighbors.size() > 1){*/
 		/*					Vec2Df dn1 = dragNode->neighbors[0]->position;*/
 		/*					Vec2Df dn2 = dragNode->neighbors[1]->position;*/
@@ -443,11 +451,11 @@ int main(){
 		/*		Vec2Df target_position = mouse_pos;*/
 		/**/
 		/*		if(IsKeyDown(KEY_LEFT_CONTROL)) {*/
-		/*			target_position.x = round((mouse_pos.x) / app.settings.grid) * app.settings.grid;*/
-		/*			target_position.y = round((mouse_pos.y) / app.settings.grid) * app.settings.grid;*/
+		/*			target_position.x = round((mouse_pos.x) / state->settings.grid) * state->settings.grid;*/
+		/*			target_position.y = round((mouse_pos.y) / state->settings.grid) * state->settings.grid;*/
 		/*		} else if(IsKeyDown(KEY_LEFT_SHIFT)){*/
 		/*			std::shared_ptr<Node> closest = app.gm.getClosestNode(mouse_pos);*/
-		/*			float steps = round((closest->position.dist(mouse_pos)) / app.settings.grid) * app.settings.grid;*/
+		/*			float steps = round((closest->position.dist(mouse_pos)) / state->settings.grid) * state->settings.grid;*/
 		/*			float pol_r = steps;*/
 		/*			float pol_theta = Vector2Angle(Vec2Df{1,0},(mouse_pos - closest->position));*/
 		/**/
@@ -506,74 +514,29 @@ int main(){
 		/*	}*/
 		/*};*/
 
-		/*float wheel = GetMouseWheelMove();*/
-		/*if(wheel != 0){*/
-		/*	if(!hovering_nodes.empty() && hovering_nodes.front()->getNodeType() == NodeType::MIDINODE) {*/
-		/*		VEC_SPTR_Node modify_nodes;*/
-		/*		std::copy_if(selected_nodes.begin(), selected_nodes.end(), std::back_inserter(modify_nodes), [](SPTR_Node n){ return n->getNodeType() == NodeType::MIDINODE;});*/
-		/*		if(selected_nodes.empty()) std::copy_if(hovering_nodes.begin(), hovering_nodes.end(), std::back_inserter(modify_nodes), [modify_nodes](SPTR_Node n){ return n->getNodeType() == NodeType::MIDINODE && !std::ranges::contains(modify_nodes, n);});*/
-		/**/
-		/*		for(auto n : modify_nodes){*/
-		/*			std::shared_ptr<MidiNode> midiNode = std::dynamic_pointer_cast<MidiNode>(n);*/
-		/*			if(IsKeyDown(KEY_LEFT_CONTROL) && !IsKeyDown(KEY_LEFT_ALT)){*/
-		/*				switch(app.settings.mode){*/
-		/*					case 0:{*/
-		/*						midiNode->midi_note += wheel;*/
-		/*					break;}*/
-		/*					case 1:{*/
-		/*						midiNode->midi_cc += wheel;*/
-		/*					break;}*/
-		/*					case 2:{*/
-		/*						midiNode->midi_pitch_bend += wheel;*/
-		/*					break;}*/
-		/*				};*/
-		/*				if(midiNode->midi_note < 0 ) midiNode->midi_note = VISEQ::MIDI::Notes.size()-1;*/
-		/*				if(midiNode->midi_note >= VISEQ::MIDI::Notes.size() ) midiNode->midi_note = 0;*/
-		/**/
-		/*				if(midiNode->midi_cc < 0 ) midiNode->midi_cc = 127;*/
-		/*				if(midiNode->midi_cc > 127 ) midiNode->midi_cc = 0;*/
-		/**/
-		/*				if(midiNode->midi_pitch_bend < 0 ) midiNode->midi_pitch_bend = 0;*/
-		/*				if(midiNode->midi_pitch_bend > 16383 ) midiNode->midi_pitch_bend = 16383;*/
-		/**/
-		/*			} else if(IsKeyDown(KEY_LEFT_SHIFT) && !IsKeyDown(KEY_LEFT_ALT)) {*/
-		/*				midiNode->midi_velocity += wheel;*/
-		/*				if(midiNode->midi_velocity < 0 ) midiNode->midi_velocity = 127;*/
-		/*				if(midiNode->midi_velocity > 127 ) midiNode->midi_velocity = 0; */
-		/*			} else if(IsKeyDown(KEY_LEFT_ALT)) {*/
-		/*				switch(app.settings.mode){*/
-		/*					case 0:{*/
-		/*						float incr = (float)wheel * (IsKeyDown(KEY_LEFT_SHIFT) ? 100.0f : IsKeyDown(KEY_LEFT_CONTROL) ? 1000.0f : 10.0f);*/
-		/*						midiNode->midi_gate += incr;*/
-		/*						if(midiNode->midi_gate < 0 ) midiNode->midi_gate = 0;*/
-		/*					break;}*/
-		/*					case 1:{*/
-		/*						midiNode->midi_cc_value += wheel;*/
-		/*						if(midiNode->midi_cc_value < 0 ) midiNode->midi_cc_value = 0;*/
-		/*						if(midiNode->midi_cc_value > 127 ) midiNode->midi_cc_value = 127;*/
-		/*					break;}*/
-		/*					case 2:{*/
-		/*						float incr = (float)wheel * (IsKeyDown(KEY_LEFT_SHIFT) ? 100.0f : IsKeyDown(KEY_LEFT_CONTROL) ? 1000.0f : 10.0f);*/
-		/*						midiNode->midi_pitch_bend += incr;*/
-		/*						if(midiNode->midi_pitch_bend < 0 ) midiNode->midi_pitch_bend = 0;*/
-		/*						if(midiNode->midi_pitch_bend > 16383 ) midiNode->midi_pitch_bend = 16383;*/
-		/*					break;}*/
-		/*				};*/
-		/*			}*/
-		/*		}*/
-		/*	}*/
-		/*	if(!IsKeyDown(KEY_LEFT_SHIFT) && !IsKeyDown(KEY_LEFT_CONTROL) && !IsKeyDown(KEY_LEFT_ALT)){*/
-		/*		Vector2 mouseWorldPos = GetScreenToWorld2D(GetMousePosition(), camera);*/
-		/*		camera.offset = GetMousePosition();*/
-		/*		camera.target = mouseWorldPos;*/
-		/*		float scaleFactor = 1.0f + (0.25f*fabsf(wheel));*/
-		/*		if (wheel < 0) scaleFactor = 1.0f/scaleFactor;*/
-		/*		camera.zoom = Clamp(camera.zoom*scaleFactor, 0.125f, 64.0f);*/
-		/*	}*/
-		/*}*/
+		float wheel = GetMouseWheelMove();
+		if(wheel != 0){
+			if(!hovering_nodes.empty() && hovering_nodes.front()->getNodeType() == NodeType::MIDINODE) {
+				VEC_SPTR_Node modify_nodes;
+				std::copy_if(selected_nodes.begin(), selected_nodes.end(), std::back_inserter(modify_nodes), [](SPTR_Node n){ return n->getNodeType() == NodeType::MIDINODE;});
+				if(selected_nodes.empty()) std::copy_if(hovering_nodes.begin(), hovering_nodes.end(), std::back_inserter(modify_nodes), [modify_nodes](SPTR_Node n){ return n->getNodeType() == NodeType::MIDINODE && !std::ranges::contains(modify_nodes, n);});
 
-		for(int x = -app.settings.grid*100; x < app.settings.grid*100; x+=app.settings.grid){
-			for(int y = -app.settings.grid*100; y < app.settings.grid*100; y+=app.settings.grid){
+				for(auto n : modify_nodes){
+					std::shared_ptr<MidiNode> midiNode = std::dynamic_pointer_cast<MidiNode>(n);
+				}
+			}
+			if(!IsKeyDown(KEY_LEFT_SHIFT) && !IsKeyDown(KEY_LEFT_CONTROL) && !IsKeyDown(KEY_LEFT_ALT)){
+				Vector2 mouseWorldPos = GetScreenToWorld2D(GetMousePosition(), camera);
+				camera.offset = GetMousePosition();
+				camera.target = mouseWorldPos;
+				float scaleFactor = 1.0f + (0.25f*fabsf(wheel));
+				if (wheel < 0) scaleFactor = 1.0f/scaleFactor;
+				camera.zoom = Clamp(camera.zoom*scaleFactor, 0.125f, 64.0f);
+			}
+		}
+
+		for(int x = -state->settings.grid*100; x < state->settings.grid*100; x+=state->settings.grid){
+			for(int y = -state->settings.grid*100; y < state->settings.grid*100; y+=state->settings.grid){
 				DrawPixel(x, y, (Color){130,130,130,200});
 			}
 		}
diff --git a/src/midi-node.h b/src/midi-node.h
index eb0bc70..0ceabba 100644
--- a/src/midi-node.h
+++ b/src/midi-node.h
@@ -82,6 +82,54 @@ namespace VISEQ::GRAPH::NODES {
 		int Ggate(){
 			return midi_gate;
 		}
+		void interact(){
+
+			if(IsKeyDown(KEY_LEFT_CONTROL) && !IsKeyDown(KEY_LEFT_ALT)){
+				switch(state->settings.mode){
+					case 0:{
+						midiNode->midi_note += wheel;
+					break;}
+					case 1:{
+						midiNode->midi_cc += wheel;
+					break;}
+					case 2:{
+						midiNode->midi_pitch_bend += wheel;
+					break;}
+				};
+				if(midiNode->midi_note < 0 ) midiNode->midi_note = VISEQ::MIDI::Notes.size()-1;
+				if(midiNode->midi_note >= VISEQ::MIDI::Notes.size() ) midiNode->midi_note = 0;
+
+				if(midiNode->midi_cc < 0 ) midiNode->midi_cc = 127;
+				if(midiNode->midi_cc > 127 ) midiNode->midi_cc = 0;
+
+				if(midiNode->midi_pitch_bend < 0 ) midiNode->midi_pitch_bend = 0;
+				if(midiNode->midi_pitch_bend > 16383 ) midiNode->midi_pitch_bend = 16383;
+
+			} else if(IsKeyDown(KEY_LEFT_SHIFT) && !IsKeyDown(KEY_LEFT_ALT)) {
+				midiNode->midi_velocity += wheel;
+				if(midiNode->midi_velocity < 0 ) midiNode->midi_velocity = 127;
+				if(midiNode->midi_velocity > 127 ) midiNode->midi_velocity = 0; 
+			} else if(IsKeyDown(KEY_LEFT_ALT)) {
+				switch(state->settings.mode){
+					case 0:{
+						float incr = (float)wheel * (IsKeyDown(KEY_LEFT_SHIFT) ? 100.0f : IsKeyDown(KEY_LEFT_CONTROL) ? 1000.0f : 10.0f);
+						midiNode->midi_gate += incr;
+						if(midiNode->midi_gate < 0 ) midiNode->midi_gate = 0;
+					break;}
+					case 1:{
+						midiNode->midi_cc_value += wheel;
+						if(midiNode->midi_cc_value < 0 ) midiNode->midi_cc_value = 0;
+						if(midiNode->midi_cc_value > 127 ) midiNode->midi_cc_value = 127;
+					break;}
+					case 2:{
+						float incr = (float)wheel * (IsKeyDown(KEY_LEFT_SHIFT) ? 100.0f : IsKeyDown(KEY_LEFT_CONTROL) ? 1000.0f : 10.0f);
+						midiNode->midi_pitch_bend += incr;
+						if(midiNode->midi_pitch_bend < 0 ) midiNode->midi_pitch_bend = 0;
+						if(midiNode->midi_pitch_bend > 16383 ) midiNode->midi_pitch_bend = 16383;
+					break;}
+				};
+			}
+		}
 
 		void draw(Vec2Df mouse, Camera2D cam) override {
 			Node::draw();
diff --git a/src/moveable.h b/src/moveable.h
index 3977481..db5818d 100644
--- a/src/moveable.h
+++ b/src/moveable.h
@@ -1,6 +1,8 @@
 #pragma once
 
+#include "globals.h"
 #include "vmath.h"
+#include <memory>
 
 namespace VISEQ::BASE {
 	class Movable{
@@ -12,6 +14,8 @@ namespace VISEQ::BASE {
 		Movable(Vec2Df p, Vec2Df d, float s) : speed(s), position(p), direction(d) {}
 		Movable(Vec2Df p, float s) : speed(s), position(p) {}
 
+		std::shared_ptr<APP::State> state = APP::State::get();
+
 		float speed = 960.0f;
 		
 		Vec2Df position;
diff --git a/src/state.h b/src/state.h
new file mode 100644
index 0000000..a50afb1
--- /dev/null
+++ b/src/state.h
@@ -0,0 +1,38 @@
+#pragma once
+
+#include "vmath.h"
+#include <memory>
+
+namespace VISEQ::APP{
+
+	struct AppSettings{
+		int mode = 0;
+		int width;
+		int height;
+		float grid;
+		float bpm;
+		float fps;
+		float speed = 16.0f;
+		int gui_selected_midi_out;
+	};
+	NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE_WITH_DEFAULT(AppSettings, mode, width, height, grid, bpm, fps, speed, gui_selected_midi_out)
+
+	class State{
+		public:
+			State(){}
+			State(State &state) = delete;
+			void operator=(const State &) = delete;
+			
+			AppSettings settings;
+			Vec2Df raw_mouse;
+			Vec2Df mod_mouse;
+
+			inline static std::shared_ptr<State> instance;
+			static std::shared_ptr<State> get() {
+				if(!instance){
+					instance.reset(new State());
+				}
+				return instance;
+			}
+	};
+}
diff --git a/src/ui.h b/src/ui.h
index 52071a5..fe19f77 100644
--- a/src/ui.h
+++ b/src/ui.h
@@ -1,5 +1,6 @@
 #pragma once
 
+#include "globals.h"
 #include "midi-node.h"
 #include "raylib.h"
 #include "raygui/raygui.h"
@@ -11,15 +12,15 @@
 
 #include <memory>
 #include <ranges>
-#include <set>
 
 namespace VISEQ::APP::UI{
 	class AppUI{
 		public:
 		AppUI() {}
-		AppUI(AppSettings *settings, SIGNAL::SignalManager *sm, GraphManager *gm) : settings(settings), gm(gm), sm(sm) {}
+		AppUI(SIGNAL::SignalManager *sm, GraphManager *gm) : gm(gm), sm(sm) {}
+
+		std::shared_ptr<State> state = State::get();
 
-		AppSettings *settings;
 		GraphManager *gm;
 		SIGNAL::SignalManager *sm;
 
@@ -31,7 +32,7 @@ namespace VISEQ::APP::UI{
 
 		void drawSideBar(){
 
-			GuiPanel((Rectangle){-1,-30,280,(float)settings->height + 31}, "");
+			GuiPanel((Rectangle){-1,-30,280,(float)state->settings.height + 31}, "");
 			const int s_controls = 25;
 			//GuiSetStyle(BUTTON, STATE_FOCUSED, 0xFF0000FF);
 			if(GuiButton((Rectangle){20, (float)s_controls, 80, 30}, "PLAY")) sm->play ? sm->pause() : sm->start();
@@ -40,11 +41,11 @@ namespace VISEQ::APP::UI{
 
 			const int s_bpm = s_controls + 45;
 			GuiLabel((Rectangle){20, (float)s_bpm, 120, 20}, "TIMING");
-			GuiLabel((Rectangle){200, (float)s_bpm, 40, 20}, std::format("{}",settings->bpm).c_str());
-			int _bpm = settings->bpm;
+			GuiLabel((Rectangle){200, (float)s_bpm, 40, 20}, std::format("{}",state->settings.bpm).c_str());
+			int _bpm = state->settings.bpm;
 //			GuiSlider((Rectangle){20, (float)s_bpm + 25, 240, 20}, "", "", &_bpm, 1, 300);
 			if(GuiSpinner((Rectangle){20, (float)s_bpm + 25, 240, 20}, "", &_bpm, 1, 300, bpm_spinner_edit_mode)) bpm_spinner_edit_mode = !bpm_spinner_edit_mode;
-			settings->bpm = _bpm;
+			state->settings.bpm = _bpm;
 
 			int s_midi = s_bpm + 75;
 			GuiLabel((Rectangle){20, (float)s_midi, 240, 20}, "MIDI OUT");
@@ -79,11 +80,11 @@ namespace VISEQ::APP::UI{
 				DrawCircle(55, s_signal+80 + signal_configs*20, 6.0F, s->color);
 
 				int s_speed = round(s->speed);
-				s->multiplier = settings->bpm / 120.0f;
-				float signal_bpm = round(settings->bpm * s->multiplier * (s->speed / settings->speed));
-				if(GuiSpinner((Rectangle){70, (float)s_signal+70 + signal_configs*20, 100, 20}, "", &s_speed, 1, 16 * settings->grid * 4, s->ui_edit_speed)) s->ui_edit_speed = !s->ui_edit_speed;
-				if(GuiButton((Rectangle){200,(float)s_signal+70 + signal_configs*20, 30, 20}, "1/2")) s_speed = settings->speed / 2; 
-				//if(GuiButton((Rectangle){200,(float)s_signal+70 + signal_configs*20, 30, 20},"1/4")) s_speed = settings->speed / 4; 
+				s->multiplier = state->settings.bpm / 120.0f;
+				float signal_bpm = round(state->settings.bpm * s->multiplier * (s->speed / state->settings.speed));
+				if(GuiSpinner((Rectangle){70, (float)s_signal+70 + signal_configs*20, 100, 20}, "", &s_speed, 1, 16 * state->settings.grid * 4, s->ui_edit_speed)) s->ui_edit_speed = !s->ui_edit_speed;
+				if(GuiButton((Rectangle){200,(float)s_signal+70 + signal_configs*20, 30, 20}, "1/2")) s_speed = state->settings.speed / 2; 
+				//if(GuiButton((Rectangle){200,(float)s_signal+70 + signal_configs*20, 30, 20},"1/4")) s_speed = state->settings.speed / 4; 
 				GuiLabel((Rectangle){195, (float)s_signal+70 + signal_configs*20, 30, 20}, std::format("{}",signal_bpm).c_str());
 				GuiToggle((Rectangle){240, (float)s_signal+70 + signal_configs*20, 20, 20},"P", &s->run); 
 				s->speed = s_speed;
@@ -95,8 +96,8 @@ namespace VISEQ::APP::UI{
 			if(GuiButton((Rectangle){20, (float)s_nodes + 60, 240, 20}, "ADD RANDOM NODE")){
 				gm->addMidiNode(Vec2Df{200.0f, 200.0f});
 			}
-			DrawText(std::format("{}", gm->nodes.size()).c_str(), 20, settings->height - 70, 15, VS_COLOR_WHITE);
-			DrawFPS(20, settings->height - 30);
+			DrawText(std::format("{}", gm->nodes.size()).c_str(), 20, state->settings.height - 70, 15, VS_COLOR_WHITE);
+			DrawFPS(20, state->settings.height - 30);
 		}
 	
 		void DrawCenteredText(std::string text, Vec2Df position, int size, Color color){	
@@ -136,7 +137,7 @@ namespace VISEQ::APP::UI{
 					GuiCheckBox((Rectangle){np.x + 160, np.y + y_channel, 20, 20}, "PITCH", &mn->send_pitch_bend);
 
 					int y_cc_note = y_channel + 120;
-					switch(settings->mode){
+					switch(state->settings.mode){
 						case 0:{
 								   GuiLabel((Rectangle){np.x + 20, np.y + y_cc_note - 75, 220, 20}, "NOTE CHANNEL");
 								   GuiToggleGroup((Rectangle){np.x + 20, np.y + y_cc_note - 50, 25, 20}, "1;2;3;4;5;6;7;8\n9;10;11;12;13;14;15;16", &mn->midi_note_channel);
diff --git a/src/vmath.h b/src/vmath.h
index c944a03..c2723d0 100644
--- a/src/vmath.h
+++ b/src/vmath.h
@@ -162,6 +162,3 @@ namespace VISEQ::VMATH{
 
 using Vec2Df = VISEQ::VMATH::Vec2D<float>;
 
-
-
-