Grid Text Sequencer
class GridTextSequencer(var msBetweenCharacters: Long, listener: (characters: List<CharacterPosition>) -> Unit) : TextSequencer
Provides a TextSequencer that is time based and dispatches lists of CharacterPosition for a grid based arrangement. At each step of the sequence a list of CharacterPosition will be dispatched to the listener. The delay between characters must be specified, in milliseconds, with msBetweenCharacters. A listener must be provided.