Now, we can use Lua function to handle event directly, for example:
SubscribeToEvent(draggableFish, "DragBegin",
  function (eventType, eventData)
    dragBeginPosition = IntVector2(eventData:GetInt("ElementX"), eventData:GetInt("ElementY"))
  end)
Remove unused code.
Fix typo.
Merge remote-tracking branch 'remotes/origin/Subscribe-to-Lua-Function'
remove empty line, rename variance.