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THE VIDEO SHELF · signed distance functions

NVScene 2015 Session: How to Create Content with Signed Distance Functions (Johann Korndörfer)

Johann Korndorfer's NVScene 2015 talk on building content with signed distance functions. It focuses on patterns that make SDF modelling more structured, arguing that SDFs capture a shape's essence like vector graphics do compared with polygons or voxels.

Why HN readers recommended it

Recommended as an excellent talk from a demoscene practitioner on how to build sophisticated scenes from distance functions.

This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.

Video & recommendation details

Creator / channel
NVScene
Topic
signed distance functions
Format
talk
Level
intermediate
HN recommenders in dataset
3
HN mentions in dataset
3
Recommendation years in dataset
2017–2018

These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.

From the original HN conversations

Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.

  • I think that's a pretty nice overview you have. One thing I would clarify is about how the objects in the scene are represented mathematically: it's done using 'signed distance functions' so every object you have in the scene is actually created through one of …

    westoncb on Hacker News · 2017-05
    In How a 64k intro is made
  • Hg ( [LINK] ) is a great resource. I'm not a fan of the non-commercial license. The intro on the top of the site has a lot of great links to resources outside of iq, including the pouet.net thread on Raymarching, John Hart's original sphere …

    Impossible on Hacker News · 2017-11
    In Making WebGL Dance: How, Where, and What to Draw (2013)
  • Here's a presentation from one of the mercury guys explaining how to do that kind of thing: [VIDEO] Also, elevated from RGBA should probably be mentioned since iq ( [LINK] ) is the guy behind Shadertoy. (Also because it's pretty.) [LINK]

    teamhappy on Hacker News · 2018-02
    In Planet Shadertoy

Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.