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POLYGONS: HOW 2D BECOMES 3D

As a kid, one of my favorite movies was Tron. Once the hacker was sucked into computer world, it had the most amazing graphics ever. Gone were the blocky and flat pixel sprites of the home video games I’d played. This movie had cool polygon characters and objects that were fully three dimensional. I had never seen anything like it. We were looking at the future.

The very first graphics program, SKETCHPAD, used polygonal modeling. This is the oldest method of creating a computer-generated 3D model. And it’s also the easiest for many people to grasp when just beginning to create in computer-generated 3D environments. Though there is a lot more refinement because of advances in both processing power and the math used, ...

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