VEX101- Implementing A Paper: Hidden Point Removal (Patreon)

Time for a small add-on to our VEX101! I've been commuting quite a bit this year and when you find yourself sitting in an express train it can get boring. Luckily Jake Rice pointed me to a few papers, one of which was this one:

 http://webee.technion.ac.il/Sites/People/cgm/Computer-Graphics-Multimedia/Publications/Papers/2007/2007_Direct_Visibility_of_Point_Sets.pdf 

In this tutorial we'll implement an algorithm to remove hidden points from an unstructured point cloud. We'll be using a few lines of VEX and a hacky way to generate a convex hull.