Add a new Lua function to create debug axes for the current focus node

modules/debugging/debuggingmodule.cpp

@@ -37,6 +37,7 @@
 #include <openspace/scripting/scriptengine.h>
 #include <openspace/scripting/lualibrary.h>
 #include <openspace/util/factorymanager.h>
+#include <ghoul/filesystem/filesystem.h>
 #include <ghoul/logging/logmanager.h>
 #include <ghoul/misc/assert.h>
 #include <ghoul/misc/templatefactory.h>
@@ -63,13 +64,16 @@ std::vector<documentation::Documentation> DebuggingModule::documentations() cons
 
 scripting::LuaLibrary DebuggingModule::luaLibrary() const {
     return {
-        "debugging",
-        {
+        .name = "debugging",
+        .functions = {
             codegen::lua::RenderCameraPath,
             codegen::lua::RemoveRenderedCameraPath,
             codegen::lua::RenderPathControlPoints,
             codegen::lua::RemovePathControlPoints,
             codegen::lua::AddCartesianAxes
+        },
+        .scripts = {
+            absPath("${MODULE_DEBUGGING}/scripts/axes.lua")
         }
     };
 }

modules/debugging/scripts/axes.lua

@@ -0,0 +1,35 @@
+openspace.debugging.documentation = {
+  {
+    Name = "createCoordinateAxes",
+    Arguments = {},
+    Documentation = [[
+      Creates a new scene graph node that show the coordinate system used for the
+      currently selected focus node.
+    ]]
+  }
+}
+
+openspace.debugging.createCoordinateAxes = function ()
+  local anchor = openspace.navigation.getNavigationState().Anchor
+  local radius = openspace.propertyValue("Scene." .. anchor .. ".EvaluatedInteractionSphere")
+
+  local node = {
+    Identifier = anchor .. "_DebugAxes",
+    Parent = anchor,
+    Transform = {
+      Scale = {
+        Type = "StaticScale",
+        Scale = radius * 2.5
+      }
+    },
+    Renderable = {
+      Type = "RenderableCartesianAxes"
+    },
+    GUI = {
+      Name = anchor .. " (Debug Axes)",
+      Path = openspace.propertyValue("Scene." .. anchor .. ".GuiPath")
+    }
+  }
+
+  openspace.addSceneGraphNode(node)
+end