Congrats on v5 you awesome people!
So a long time ago I was working on top down 2D game that had line of sight, but I ran into performance problems problems that sound like they can be more easily solved in v5. For some reason the forum is not letting me upload images so here are some links.
Screenshots: https://timetocode.tumblr.com/post/164071887541/much-progress-screenshots-show-in-game-terrain
Video of line of sight https://timetocode.tumblr.com/post/163227386513/11-second-vi
It reminds me of what has been implanted in this game. https://ncase.me/sight-and-light/
I suppose that you have already got your hands on these articles, I share them in case.
it in canvas no pixi but it will be cool to see this in pixidemo !
a codepen ** https://codepen.io/xno/pen/YOQZzw https://codepen.io/pandaec/pen/rzxYNB
a jsfiddle ** http://jsfiddle.net/nLMTW/ http://jsfiddle.net/s2un50dp/ Shadertoy ** best performance i think https://www.shadertoy.com/view/4dfXDn