minor fixing, adapting for mobile web

src/Location.h

@@ -40,6 +40,12 @@ namespace ZL
 		Eigen::Matrix4f cameraViewMatrix = Eigen::Matrix4f::Identity();
 		InteractiveObject* targetInteractiveObject = nullptr;
 
+		// "Walk to NPC, then fire on_npc_interact" — mirrors targetInteractiveObject
+		// so a click from outside interactionRadius still leads to a Lua callback
+		// once the player gets close enough.
+		Character* targetInteractNpc = nullptr;
+		int targetInteractNpcIndex = -1;
+
 		std::unique_ptr<TextRenderer> npcNameText;
 
 		ScriptEngine scriptEngine;
@@ -50,7 +56,9 @@ namespace ZL
 		void buildDebugNavMeshes();
 		void drawDebugNavigation();
 #endif
-		bool rightMouseDown = false;
+		// Set by Game when the user's primary pointer (left mouse / single touch)
+		// has crossed the tap-vs-drag threshold and is now rotating the camera.
+		bool cameraDragging = false;
 		int lastMouseX = 0;
 		int lastMouseY = 0;