// actions
private void AssignAllActionSets()
{
// default action set
defaultActions = SteamVR_Input.GetActionSet("default");
// ui interaction action set
menuInteractionActions = SteamVR_Input.GetActionSet("MenuInteraction");
menuInteraction_Select = SteamVR_Input.GetActionFromPath <SteamVR_Action_Boolean>("/actions/MenuInteraction/in/Select");
menuInteraction_MenuControl = SteamVR_Input.GetActionFromPath <SteamVR_Action_Boolean>("/actions/MenuInteraction/in/MenuControl");
menuInteraction_Scroll = SteamVR_Input.GetActionFromPath <SteamVR_Action_Vector2>("/actions/MenuInteraction/in/Scroll");
// viz navigation action set
vizNavActions = SteamVR_Input.GetActionSet("VizNavigation");
vizNav_Position = SteamVR_Input.GetActionFromPath <SteamVR_Action_Boolean>("/actions/VizNavigation/in/Position");
vizNav_Rotation = SteamVR_Input.GetActionFromPath <SteamVR_Action_Boolean>("/actions/VizNavigation/in/Rotation");
vizNav_Select = SteamVR_Input.GetActionFromPath <SteamVR_Action_Boolean>("/actions/VizNavigation/in/Select");
//vizNav_HardGrip = SteamVR_Input.GetActionFromPath<SteamVR_Action_Single>("/actions/VizNavigation/in/HardGrip");
// dimension explorer action set
dimExplorerActions = SteamVR_Input.GetActionSet("DimExplorer");
dimExplorer_Select = SteamVR_Input.GetActionFromPath <SteamVR_Action_Boolean>("/actions/DimExplorer/in/Select");
dimExplorer_Scroll = SteamVR_Input.GetActionFromPath <SteamVR_Action_Boolean>("/actions/DimExplorer/in/Scroll");
// timeline action set
timelineActions = SteamVR_Input.GetActionSet("Timeline");
timeline_Select = SteamVR_Input.GetActionFromPath <SteamVR_Action_Boolean>("/actions/Timeline/in/Select");
timeline_Scroll = SteamVR_Input.GetActionFromPath <SteamVR_Action_Boolean>("/actions/Timeline/in/Scroll");
timeline_Back = SteamVR_Input.GetActionFromPath <SteamVR_Action_Boolean>("/actions/Timeline/in/Back");
}