Selection working partially. Needs global z-index hovering to work reliably.

src/graph-manager.h

@@ -2,6 +2,7 @@
 
 
 #include "datatypes.h"
+#include "state.h"
 #include "vmath.h"
 #include "raylib.h"
 #include "raymath.h"
@@ -44,8 +45,12 @@ namespace VISEQ::GRAPH {
 			EDGES::VEC_SPTR_Edge remove_edges;
 			EDGES::VEC_SPTR_Edge split_edges;
 
+			VEC_SPTR_Node selected_nodes;
+
 			std::map<NODES::SPTR_Node, int> counter;
 
+			std::shared_ptr<APP::State> state = APP::State::get();
+
 			NODES::SPTR_Node getRandomNode(){
 				VEC_SPTR_GraphItem o; 
 				std::ranges::sample(nodes, std::back_inserter(o), 1, std::mt19937{std::random_device{}()});
@@ -294,13 +299,26 @@ namespace VISEQ::GRAPH {
 							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){
+					if(CheckCollisionPointRec(n->position, state->selection)) {
+						n->in_selection_rect = true;
+					} else {
+						n->in_selection_rect = false;
+					}
+					if(state->istate == APP::InteractionState::DRAW_SELECTION && state->mouse_left.released){
+						if(CheckCollisionPointRec(n->position, state->selection)) {
+							n->selected = true;
+							n->in_selection_rect = false;
+						} else {
+							if(!state->keys_down.shift) n->selected = false;
+						}
+						state->selection = (Rectangle){0,0,0,0};
+					}
 					n->update();
 					if(n->picked_up) drawNeighborLines(n, mouse_pos, camera);
 					n->draw(mouse_pos, camera);