Run poseDot in a coroutine to avoid main thread lock on loading screen

[Mantisis]

To investigate if it can optimize loading time

[Marsgames]

I don't really think it could help that much. See this comment from this discussion.

Coroutines can only block execution of a function unless its resume. I don't really think of a way to do something like X computes each seconds, stop after amount is reached, until next second