Add Lua function that returns the worldPosition of a scenegraph node

modules/base/rendering/renderableprism.h

@@ -25,8 +25,8 @@
 #ifndef __OPENSPACE_MODULE_BASE___RENDERABLEPRISM___H__
 #define __OPENSPACE_MODULE_BASE___RENDERABLEPRISM___H__
 
-#include <openspace/properties/scalar/floatProperty.h>
-#include <openspace/properties/scalar/intProperty.h>
+#include <openspace/properties/scalar/floatproperty.h>
+#include <openspace/properties/scalar/intproperty.h>
 #include <openspace/properties/vector/vec3property.h>
 #include <openspace/rendering/renderable.h>
 #include <ghoul/opengl/ghoul_gl.h>

src/scene/scene.cpp

@@ -706,6 +706,13 @@ scripting::LuaLibrary Scene::luaLibrary() {
                 "Adds an interesting time to the current scene. The first argument is "
                 "the name of the time and the second argument is the time itself in the "
                 "format YYYY-MM-DDThh:mm:ss.uuu"
+            },
+            {
+                "worldPosition",
+                &luascriptfunctions::worldPosition,
+                {},
+                "string",
+                "Returns the worldPosition of the scene graph node with the given string as identifier"
             }
         }
     };

src/scene/scene_lua.inl

@@ -902,4 +902,16 @@ int addInterestingTime(lua_State* L) {
     return 0;
 }
 
+int worldPosition(lua_State* L) {
+    ghoul::lua::checkArgumentsAndThrow(L, 1, "lua::worldPosition");
+
+    std::string identifier = ghoul::lua::value<std::string>(L, 1, ghoul::lua::PopValue::Yes);
+
+    glm::dvec3 pos = global::renderEngine->scene()->sceneGraphNode(identifier)->worldPosition();
+    ghoul::lua::push(L, pos);
+
+    ghoul_assert(lua_gettop(L) == 1, "Incorrect number of items left on stack");
+    return 1;
+}
+
 }  // namespace openspace::luascriptfunctions