Tzach Shabtay

To minimize the passes to OpenGL, we need to group the sprite arrays into an array of arrays (element array). Each shader change (or some max size) will start a...

Z-culling is explained [here](https://hacks.mozilla.org/2017/10/the-whole-web-at-maximum-fps-how-webrender-gets-rid-of-jank/?utm_source=programmingdigest&utm_medium=email&utm_campaign=featured). The gist: render in 2 passes: fist, render fully opaque objects top-to-bottom so you can avoid drawing pixels twice in the same location, and then render...

Keyboard movement module is not saved/loaded

Custom borders are not saved/loaded