Ryan Alexander

@notlion

Creating audiovisual tools and art. Seeking practices that better the world in small ways.

San Franciso
Vrijeme pridruživanja: kolovoz 2007.

Medijski sadržaj

  1. 27. sij

    Added some vertex based ambient-occlusion to the 3D CA demo shader in pst-alpha. Only 3 checks per vertex, and it looks pretty good!

  2. 23. sij

    Optimized out drawing of internal faces. It runs fast on the Oculus Quest now! (Click "Enter VR" on bottom right)

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  3. 22. sij

    Shaders are now linkable in pst-alpha! Here's a 3d cellular automata example:

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  4. 21. sij

    New updates to pst-alpha✨ - Added a common source tab - Sim size and vertex count configurable via - Simplified shader function arguments (all outs) - Removed particle coord attribs (just use gl_VertexID)

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  5. 18. sij

    Annnd video compression totally trashed that.. so here’s a screenshot🤞

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  6. 18. sij

    Sessions in the galaxy connected by a pleasing curve. All I had to do was solve a tridiagonal system of linear equations! 🤓

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  7. 16. lis 2019.

    It can be difficult to make out some of the Sun Seed forms without motion, so I made animated GIFs for each of them. Lotus pictured here.

  8. 15. lis 2019.

    Sun Seed “daisy”. Kits for this and 5 other new designs are now available! 🌸🌼 Collab with

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  9. 11. kol 2019.

    The definition of programmer art

  10. 29. srp 2019.
  11. 26. srp 2019.
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  12. 16. srp 2019.

    Particle collision with SDF is more fun than expected 👨‍🎨

  13. 14. srp 2019.

    Added VR controller support! The demo shader is getting a little large. Almost 100 loc now with the sparkle effect 💫

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  14. 10. srp 2019.

    ☀️🌸 SunSeed 004 Made from 20 identical interlocking parts forming an icosahedron

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  15. 9. srp 2019.

    ☀️🌸 SunSeed 005 A wind sculpture collab with and

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  16. 27. lip 2019.

    Liking these larger quads

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  17. 27. lip 2019.

    Added WebVR support last night. I had to reduce the sim render size to 256x128 to get it running at 72fps on the Quest. There's still a small amount of judder, so I must be missing a frame deadline here and there..

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  18. 11. lip 2019.

    Added WASD camera controls with pointer lock to the new Particle ShaderToy experiment

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  19. 9. lip 2019.

    Added support for oriented/stretched quads to the new Particle ShaderToy experiment. Debating if right/up vector is the best level of abstraction. Might be better to expose the full vertex shader?

  20. 23. tra 2019.
    Odgovor korisniku/ci

    Much love from SF, Felix! 💙

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