Published on: 2025-06-11 04:23:01
In this post I will present three equivalent algorithms to compute the edges of a polygonal mesh. The algorithms are subsequent optimization steps to produce the exact same result with progressively increased efficiency. In the first part of this text, I will describe the typical representation of a mesh topology, distinguish between different concepts of edges. To better define the subject, picture the wireframe of a polygonal mesh. Assuming there is no overlapping geometry in the scene, if yo
Keywords: edge edges index indices int
Find related items on AmazonPublished on: 2025-07-12 03:03:09
Answer There are many things around us that are so taken for granted that it never occurs to us to give them a second thought until we look a little closer. Coffee stains are one such thing. When coffee dries it leaves stains that are dark at the edges and lighter inside. The explanation may not be obvious but it is in fact rather simple. When a drop lands on a table, it spreads and tries to dampen as large an area as possible. Though the table surface may seem smooth there are always some imp
Keywords: coffee drop edges liquid table
Find related items on AmazonPublished on: 2025-08-06 08:01:59
Generating Mazes with Inductive Graphs A few years ago—back in high school—I spent a little while writing programs to automatically generate mazes. It was a fun exercise and helped me come to grips with recursion: the first time I implemented it (in Java), I couldn’t get the recursive version to work properly so ended up using a while loop with an explicit stack! Making random mazes is actually a really good programming exercise: it’s relatively simple, produces cool pictures and does a good job
Keywords: edges graph just node nodes
Find related items on AmazonPublished on: 2025-08-18 17:48:40
It started with a bet. In the late 1980s, at a conference in Lausanne, the mathematicians Noga Alon and Peter Sarnak got into a friendly debate. Both were studying collections of nodes and edges called graphs. In particular, they wanted to better understand a paradoxical type of graph, called an expander, that has relatively few edges but is still highly interconnected. At issue were the very best expanders: those that are as connected as they can be. Sarnak proposed that such graphs are rare;
Keywords: connected edges expander graph graphs
Find related items on AmazonPublished on: 2025-09-07 12:13:11
This post from Rive's Head of Runtime Chris Dalton shows how we built a fully vector-based feathering system from scratch. It’s a deep dive into the Rive Renderer, why it’s more performant, and how it solves a problem that legacy specs never could. March, 2024. GDC. I was talking to a colleague when Sarah Warn , our VP of Growth, came over and asked, “Hey, could you please do glows and shadows?” She wasn’t asking on a whim. Designers had been requesting this for a while. She knew that if we shi
Keywords: blur edges gaussian rive vector
Find related items on AmazonPublished on: 2025-09-18 12:19:48
Upon reflection, Myst has long been more analogous to a graph than a traditional linear game, owing to the relative freedom it affords players. This is particularly evident in its first release (Macintosh, 1993), which was composed of interconnected HyperCard cards. It is now literally one. Here is Myst as a graph: The Myst graph, a comprehensive representation of the game’s structure that maps the connections between various views and locations, is downloadable as a poster-size PDF. ℹ The se
Keywords: edges game graph myst nodes
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