Add funciton and keybinding to stop playing a path

data/assets/camera_paths_test.scene

@@ -69,6 +69,14 @@ local Keybindings = {
         GuiPath = "/Interaction",
         Local = false
     },
+    {
+        Key = "Q",
+        Name = "Stop camera path",
+        Command = "openspace.autonavigation.stopPath()",
+        Documentation = "Stop a camera path.",
+        GuiPath = "/Interaction",
+        Local = false
+    },
 }
 
 asset.onInitialize(function ()

modules/autonavigation/autonavigationhandler.cpp

@@ -236,6 +236,10 @@ void AutoNavigationHandler::continuePath() {
     _isPlaying = true;
 }
 
+void AutoNavigationHandler::stopPath() {
+    _isPlaying = false;
+}
+
 bool AutoNavigationHandler::handleInstruction(const Instruction& instruction, int index) {
     bool success = true;
     switch (instruction.type)

modules/autonavigation/autonavigationhandler.h

@@ -62,6 +62,7 @@ public:
     void startPath();
     void pausePath();
     void continuePath();
+    void stopPath();
 
 private:
     bool handleInstruction(const Instruction& instruction, int index);

modules/autonavigation/autonavigationmodule.cpp

@@ -59,6 +59,13 @@ scripting::LuaLibrary AutoNavigationModule::luaLibrary() const {
             "",
             "Continue playing a paused camera path."
         },
+        {
+            "stopPath",
+            &autonavigation::luascriptfunctions::stopPath,
+            {},
+            "",
+            "Stops a path, if one is being played."
+        },
         {
             "goTo",
             &autonavigation::luascriptfunctions::goTo,

modules/autonavigation/autonavigationmodule_lua.inl

@@ -42,7 +42,7 @@ namespace openspace::autonavigation::luascriptfunctions {
     const double EPSILON = 1e-12;
 
     int continuePath(lua_State* L) {
-        int nArguments = ghoul::lua::checkArgumentsAndThrow(L, 0, "lua::continuePath");
+        ghoul::lua::checkArgumentsAndThrow(L, 0, "lua::continuePath");
 
         AutoNavigationModule* module = global::moduleEngine.module<AutoNavigationModule>();
         AutoNavigationHandler& handler = module->AutoNavigationHandler();
@@ -51,6 +51,16 @@ namespace openspace::autonavigation::luascriptfunctions {
         return 0;
     }
 
+    int stopPath(lua_State* L) {
+        ghoul::lua::checkArgumentsAndThrow(L, 0, "lua::stopPath");
+
+        AutoNavigationModule* module = global::moduleEngine.module<AutoNavigationModule>();
+        AutoNavigationHandler& handler = module->AutoNavigationHandler();
+        handler.stopPath();
+
+        return 0;
+    }
+
     int goTo(lua_State* L) {
         int nArguments = ghoul::lua::checkArgumentsAndThrow(L, { 1, 2 }, "lua::goTo");