This is a rack focus render. Set your settings, then click the grey bar to render. When you want to play back the video, press “r” to render the video. For maximum performance, go to this website: https://turbowarp.org/1093946507?turbo
This render engine is 99.9% by @Howtomakeausername and I only modified it to make a rack focus shot. The number of frames of the video is limited by the list item threshold of 200,000 items, and the higher the resolution, the more list items are required per frame, so the higher the resolution, the less smooth the video is. Sadly, I can’t store more data in the “RAM” (for video rendering purposes) unless I make a lot of lists and program the renderer for all of those lists.