This is a project I've been working on for a while, one hour or less at at time. It involves a simple equation for calculating a perspective of a given point FOV / (FOV + z) Where FOV is the Field of View and z is the z coordinate of a given 3D point (x, y, z).
Yes, set up a record screen software and capture away. E.g.: https://www.youtube.com/watch?v=ztv--KzSGDc
Yes, press F11 to enter full screen mode, reload the page and take a screen shot.
Yes, comment out the part where I reset the y position last row of points after they are gone, capture the frames and you're all set.