Medijski sadržaj
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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! https://tinyurl.com/wrojxqe pic.twitter.com/r62UoiYlH8
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Optimized out drawing of internal faces. It runs fast on the Oculus Quest now! (Click "Enter VR" on bottom right) https://tinyurl.com/tgvbcvc pic.twitter.com/wZXYvCnFKm
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Shaders are now linkable in pst-alpha! Here's a 3d cellular automata example: https://tinyurl.com/txwh5o3 pic.twitter.com/cZpAU9OjW8
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New updates to pst-alpha
- Added a common source tab
- Sim size and vertex count configurable via #pragma - Simplified shader function arguments (all outs) - Removed particle coord attribs (just use gl_VertexID) http://onecm.com/projects/pst-alpha/ …pic.twitter.com/E4gh28g2aB
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Annnd
@twitter video compression totally trashed that.. so here’s a screenshot
pic.twitter.com/0DF4tBIdie
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Sessions in the
@seaquence galaxy connected by a pleasing curve. All I had to do was solve a tridiagonal system of linear equations!
pic.twitter.com/X6NiQDRBkIPrikaži ovu nit -
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. https://www.indiegogo.com/projects/sun-seeds …pic.twitter.com/bk55jHAkHZ
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Sun Seed “daisy”. Kits for this and 5 other new designs are now available!

https://www.indiegogo.com/projects/sun-seeds …
Collab with @mandy3284@mokeymuffinpic.twitter.com/zp7otCae5EPrikaži ovu nit -
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Celestial swords that paint galaxies?
#webvr http://onecm.com/projects/pst-alpha/demo/deepfield/ …pic.twitter.com/hB5KGjsJR8 -
New demo shader: Deep Field http://onecm.com/projects/pst-alpha/demo/deepfield/ …pic.twitter.com/etxyCldP1t
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Particle collision with SDF is more fun than expected
http://onecm.com/projects/pst-alpha/scanner/ …pic.twitter.com/BhqDXKWo4Y -
Added VR controller support! The demo shader is getting a little large. Almost 100 loc now with the sparkle effect
http://onecm.com/projects/pst-alpha/ …pic.twitter.com/mzGPCCSLRvPrikaži ovu nit -

SunSeed 004
Made from 20 identical interlocking parts forming an icosahedronpic.twitter.com/XPCIHGj0bB
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SunSeed 005
A wind sculpture collab with @mandy3284 and@mokeymuffinpic.twitter.com/uYDqQkq8qE
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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.. http://onecm.com/projects/pst-alpha/ …pic.twitter.com/VCMhkwoxIg
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Added WASD camera controls with pointer lock to the new Particle ShaderToy experiment http://onecm.com/projects/pst-alpha/ …pic.twitter.com/TOxSowGbuK
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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? http://onecm.com/projects/wasm-webgl2/index.html …pic.twitter.com/xIhrLOIOYq
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