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# ![@SebAaltonen Avatar](https://lunarcrush.com/gi/w:26/cr:twitter::3436615413.png) @SebAaltonen Sebastian Aaltonen

Sebastian Aaltonen posts on X about voxel, nintendo, $7974t, just a the most. They currently have XXXXXX followers and XX posts still getting attention that total XXXXXX engagements in the last XX hours.

### Engagements: XXXXXX [#](/creator/twitter::3436615413/interactions)
![Engagements Line Chart](https://lunarcrush.com/gi/w:600/cr:twitter::3436615413/c:line/m:interactions.svg)

- X Week XXXXXXX -XX%
- X Month XXXXXXXXX -XX%
- X Months XXXXXXXXXX +121%
- X Year XXXXXXXXXX -XX%

### Mentions: XX [#](/creator/twitter::3436615413/posts_active)
![Mentions Line Chart](https://lunarcrush.com/gi/w:600/cr:twitter::3436615413/c:line/m:posts_active.svg)

- X Week XX -XX%
- X Month XXX -X%
- X Months XXXXX +191%
- X Year XXXXX -XX%

### Followers: XXXXXX [#](/creator/twitter::3436615413/followers)
![Followers Line Chart](https://lunarcrush.com/gi/w:600/cr:twitter::3436615413/c:line/m:followers.svg)

- X Week XXXXXX +0.24%
- X Month XXXXXX +2.70%
- X Months XXXXXX +13%
- X Year XXXXXX +22%

### CreatorRank: XXXXXXX [#](/creator/twitter::3436615413/influencer_rank)
![CreatorRank Line Chart](https://lunarcrush.com/gi/w:600/cr:twitter::3436615413/c:line/m:influencer_rank.svg)

### Social Influence

**Social category influence**
[gaming](/list/gaming)  XXXX% [stocks](/list/stocks)  XXXX% [automotive brands](/list/automotive-brands)  XXX% [technology brands](/list/technology-brands)  XXX% [finance](/list/finance)  XXXX% [products](/list/products)  XXXX% [nfts](/list/nfts)  #1543 [cryptocurrencies](/list/cryptocurrencies)  XXXX% [countries](/list/countries)  XXXX%

**Social topic influence**
[voxel](/topic/voxel) #38, [nintendo](/topic/nintendo) #2398, [$7974t](/topic/$7974t) #2130, [just a](/topic/just-a) 3.7%, [minecraft](/topic/minecraft) 2.47%, [iphone](/topic/iphone) 2.47%, [tesla](/topic/tesla) 2.47%, [codex](/topic/codex) 2.47%, [voxels](/topic/voxels) #10, [gain](/topic/gain) #1308

**Top accounts mentioned or mentioned by**
[@alightinastorm](/creator/undefined) [@pompipompi](/creator/undefined) [@prakhar6200](/creator/undefined) [@mmalex](/creator/undefined) [@gustavsterbrant](/creator/undefined) [@jbrooksbsi](/creator/undefined) [@tarmo888](/creator/undefined) [@soratsuki_18](/creator/undefined) [@pretentiousa](/creator/undefined) [@sukunaa420](/creator/undefined) [@sankew06](/creator/undefined) [@rikarends](/creator/undefined) [@zzznah](/creator/undefined) [@teromee](/creator/undefined) [@workaholicdavid](/creator/undefined) [@alibeegfx](/creator/undefined) [@prollin](/creator/undefined) [@mweinbach](/creator/undefined) [@adamjmiles](/creator/undefined) [@opdroid1234](/creator/undefined)

**Top assets mentioned**
[Tesla, Inc. (TSLA)](/topic/tesla) [Voxels (voxels)](/topic/voxels) [Perlin (PERL)](/topic/perlin) [Microsoft Corp. (MSFT)](/topic/microsoft)
### Top Social Posts
Top posts by engagements in the last XX hours

"@casualgamerqc @Jerroudi_Yass @Prakhar6200 @Pretentious_A_ @sukunaa420 @Sankew06 Hyperthreading is very important for servers. X64 designs cater desktops and servers. Traditionally laptop SoCs have been just variations of desktop chips but Lunar Lake is more different. Which brings big improvement for idle power consumption"  
[X Link](https://x.com/SebAaltonen/status/1997391146092265654)  2025-12-06T19:42Z 47.8K followers, 1122 engagements


"WebGPU is awesome but not perfect. WebGL2 offered us XX year old DX9 feature set with some limitations. WebGPU offers us XX year old Vulkan XXX feature set with some limitations. There's no SM XXX style indexable descriptor heap (or descriptor indexing) there's no 64-bit GPU pointers (or 64-bit integers/atomics) descriptor sets are immutable (and there's no API for temp descriptor sets - Vulkan has resettable pools) there's no persistently mapped GPU memory for efficient data upload the async map API is cumbersome to use CPU mappable resources can't be directly loaded by shaders (need a copy"  
[X Link](https://x.com/SebAaltonen/status/1997650454302368119)  2025-12-07T12:52Z 47.8K followers, 43.1K engagements


"Didn't you always wish Minecraft looked like this :D"  
[X Link](https://x.com/SebAaltonen/status/1991878157541282204)  2025-11-21T14:35Z 47.8K followers, 19.7K engagements


"Would hexagonal terrain grid look nicer than the regular grid It's trivial to extend the Amanatides/Woo algorithm for hexagonal grids. You just keep three tMax values since here's three possible faces a ray can hit. All faces have even spacing (among their type)"  
[X Link](https://x.com/SebAaltonen/status/1993237401339412607)  2025-11-25T08:36Z 47.8K followers, 18.4K engagements


"That said I am not looking forward for the Apple foldable either. It's going to be too heavy. The iPhone Pro Max is already too heavy. I am planning to update to Air X. Unfortunately the rumors say that it's not coming next year"  
[X Link](https://x.com/SebAaltonen/status/1996633666152473032)  2025-12-04T17:32Z 47.8K followers, 3590 engagements


"Made a decision to split WebGPU analysis to a separate blog post. My "No Graphics API" blog post discusses bindless GPU architectures pointer based data model (no buffer abstractions) and direct GPU memory access (UMA/PCIe ReBAR). WebGPU doesn't really fit this discussion"  
[X Link](https://x.com/SebAaltonen/status/1997947962832601465)  2025-12-08T08:34Z 47.8K followers, 10K engagements


"Codex wrote my multi-octave perlin noise hmap generator. Got tired or fighting with it to improve it. Still looks meh. Maybe I download a 8192x8192 16-bit heightmap from somewhere. And write a custom compressor for it (I have exp on those). These good"  
[X Link](https://x.com/SebAaltonen/status/1991650381835956250)  2025-11-20T23:30Z 47.8K followers, 3456 engagements


"EVs are fun to drive. Gas pedal responds immediately. When you floor ICE gas pedal the automatic gearbox changes to low gear (half a second delay in worst case). Engine + turbo lag after it. It's like 120Hz vs 60Hz. Once you taste low latency you can't go back"  
[X Link](https://x.com/SebAaltonen/status/1996506906085704006)  2025-12-04T09:08Z 47.8K followers, 4910 engagements


"Started writing a voxel data structure/renderer for HypeHype. Going to be borrowing some of the ideas I wrote about my own 4x4x4 (64-tree) data structure to make it memory efficient. HypeHype wants smooth features similar to Nintendo games. Meshing algo going to be interesting"  
[X Link](https://x.com/SebAaltonen/status/1998006369891361045)  2025-12-08T12:26Z 47.8K followers, 5804 engagements


"Codex ensuring that floating point coords REALLY are floored before the implicit float-int truncation :) Vector3I voxel( int32(f::math::floor(coords.x)) int32(f::math::floor(coords.y)) int32(f::math::floor(coords.z)));"  
[X Link](https://x.com/SebAaltonen/status/1998038426533441649)  2025-12-08T14:34Z 47.8K followers, 8137 engagements


"@GustavSterbrant @NOTimothyLottes That's a language issue. In CUDA and MSL you simply add alignas(16) for structs like in C/C++. Much nicer than counting on magic driver specific alignment rules"  
[X Link](https://x.com/SebAaltonen/status/1999028013523210398)  2025-12-11T08:06Z 47.8K followers, XXX engagements


"@AliBeeGfx Multilevel DDA is fast but HypeHype wants artistic voxels similar to Nintendo games not hard bricks like Minecraft"  
[X Link](https://x.com/SebAaltonen/status/1999407313757864402)  2025-12-12T09:13Z 47.8K followers, XXX engagements


"@prollin The funny thing is that he admitting called voxels as "atoms" because game devs didn't respect the word voxel as much as medical experts :)"  
[X Link](https://x.com/SebAaltonen/status/1999478686895264012)  2025-12-12T13:57Z 47.8K followers, XXX engagements


"GTX 1080 launched almost XX years ago. Using the biggest GPU die. Over XX% gen-on-gen performance gain. Price = $XXX Then we got crypto covid and AI. Today the street price of a big die Nvidia flagship is $2300 :("  
[X Link](https://x.com/SebAaltonen/status/1996500647605354540)  2025-12-04T08:43Z 47.8K followers, 81.8K engagements


"HLSL only requires 4-byte binding offset alignment and 4-byte load alignment (even for load2 load3 load4) which results in bad codegen on Nvidia for example (they can't emit wide loads). That's not a flaw I want to have in any new API design"  
[X Link](https://x.com/SebAaltonen/status/1998829356756644180)  2025-12-10T18:57Z 47.8K followers, 3748 engagements


"It's sad that HLSL loadT didn't fix this flaw. It requires only alignment for a single element of a vector. For example float4 = X bytes half4 = X bytes. Microsoft optimized for AMD console hardware. But DirectX runs on Nvidia Intel and Qualcomm too"  
[X Link](https://x.com/SebAaltonen/status/1998829702015000721)  2025-12-10T18:58Z 47.8K followers, 3567 engagements


"Started building a voxel system for HypeHype. It's using 4x4x4 (uint64) voxel bricks. Not a full 64-tree like my hobby project design. Just a single level indirection similar to virtual texturing"  
[X Link](https://x.com/SebAaltonen/status/1999090403161842012)  2025-12-11T12:14Z 47.8K followers, 11.9K engagements


"Voxel physics in a nutshell. A point inside a voxel is pushed towards the closest surface. The closest surface can be simply obtained by taking the dominant axis (some GPUs have a cubeface instruction for that)"  
[X Link](https://x.com/SebAaltonen/status/1999412554750206216)  2025-12-12T09:34Z 47.8K followers, 7372 engagements


"@mweinbach iPhone XX favorite software Sure iOS XX has WebGPU support but otherwise the previous version that shipped with iPhone XX was better. iOS XX lacks polish and drains battery. iOS XX is supposed to be the polish pass"  
[X Link](https://x.com/SebAaltonen/status/1999585532339163438)  2025-12-12T21:01Z 47.8K followers, 2592 engagements


"@28delayslater Skill issue. You need to quickly toggle back/forward gear to gain speed. I don't own a Tesla so I don't know it it's easy to do on a Tesla but on a VW EV you simply wiggle the D/R toggle. Been in the same situation couple of times and that works"  
[X Link](https://x.com/SebAaltonen/status/1999614667111518263)  2025-12-12T22:57Z 47.8K followers, 2610 engagements


"@PompiPompi Shadows currently use a horizon trace algorithm over the heightmap. I don't do secondary rays for shadows right now but that's trivial to add. I am planning to add sky visibility rays too"  
[X Link](https://x.com/SebAaltonen/status/2000212962473021675)  2025-12-14T14:35Z 47.8K followers, XXX engagements


"New WebGPU terrain build with color painting tools: This concludes my single week prototype. It was a blast I really enjoyed doing it. Prototyping continues on Christmas vacation: - 2nd week = full 3d voxel system - 3rd week = 10000 player multiplayer"  
[X Link](https://x.com/SebAaltonen/status/1992612289913221315)  2025-11-23T15:12Z 47.8K followers, 44.7K engagements


"Car makes have been studying game developers. A new skin pack has landed Has a nice new Ford decal sticker in the front too"  
[X Link](https://x.com/SebAaltonen/status/1998663023968518297)  2025-12-10T07:56Z 47.8K followers, 5539 engagements


"Has anybody tried this in a 4KB demo: Windows max path length (long path) is 32K. Max filename length is XXX. Your demo .exe is located in deep folder hierarchy (128 deep). Use argv0 (or GetModuleFileNameW) to get your exe path name. 32KB of free data :)"  
[X Link](https://x.com/SebAaltonen/status/1998695617447489630)  2025-12-10T10:05Z 47.8K followers, 19.1K engagements


"Sega Rally at locked 60Hz on arcade cabinets was a bliss. Spent a lot of (dad's) coins when I was a kid"  
[X Link](https://x.com/SebAaltonen/status/1999049632299831500)  2025-12-11T09:32Z 47.8K followers, 5185 engagements


"@mmalex Dreams presentation XX years ago was fantastic. Meshing volumetric representation still sucks XX years later. Marching cubes dual contours all the same sh*t. Nothing is really good and fast. And lots of complexity to update the mesh and occlusion/viewport cull and LOD"  
[X Link](https://x.com/SebAaltonen/status/1999402657727881342)  2025-12-12T08:55Z 47.8K followers, 2200 engagements


"@mmalex In Claybook we did distance field (SDF) ray-tracing and it's fun and fast. Was running nicely on Nintendo Switch (after I spend month micro-optimizing it). Was fast on old Intel iGPUs too. Extended version of my GDC talk at Digital Dragons:"  
[X Link](https://x.com/SebAaltonen/status/1999403277998243940)  2025-12-12T08:57Z 47.8K followers, 3340 engagements


"Lidar is just a sensor type nothing more. Various sensor data can be fed to train the network. All sensors are getting cheaper. A lidar system can be soon mass produced for $1000 in China. I expect the AI network inputs to change many times until we reach the optimal setup. I don't like polarizing discussions about different sensor types or different network topologies. People are trying to boost their favorite company perception or stock value in the social media. Feels like the console wars back in the day. Better to let various tech co-exist and evolve. We don't know the best solution yet."  
[X Link](https://x.com/SebAaltonen/status/1999406951495516359)  2025-12-12T09:12Z 47.8K followers, 10.2K engagements


"I am considering a brick-map style voxel system for HypeHype. Each 1m3 brick would point to shared subtrees (= DAG). A bit like the Unlimited Detail demo back in the day. We wouldn't need that much detail in the bricks. Aiming for Nintendo game look instead of realistic look"  
[X Link](https://x.com/SebAaltonen/status/1999435203325157535)  2025-12-12T11:04Z 47.8K followers, 5737 engagements


"@_iamtolulope "-" has overloaded semantics in maths. It can either be the subtract operator negate or a sign (negative number). Power of two of -X is of course XX. But negate of XX = -XX. And subtract by XX is subtract by XX is -25"  
[X Link](https://x.com/SebAaltonen/status/1999480149436485938)  2025-12-12T14:03Z 47.8K followers, 10.4K engagements


"@atlasx100 X% in a year not month. X% of $100k = $9k. $750/month. You can't get X% interest rate by having the money in bank you need to invest in stocks/funds to get profits like that and there's always a risk involved. If you have $1M savings and invest well then you have it"  
[X Link](https://x.com/SebAaltonen/status/1999528659095322718)  2025-12-12T17:15Z 47.8K followers, 65.3K engagements


"1. Build your own programming language X. Build a game engine on top of that language X. Build your game on top of that engine if X and X didn't consume your whole life. We have been waiting this game for a long time. It's nice that Jon had the time to do it"  
[X Link](https://x.com/SebAaltonen/status/1999589742040465443)  2025-12-12T21:18Z 47.8K followers, 213.3K engagements


"Asked Codex to change my WebGPU terrain ray-tracer to use gather instead of texture load (for the DDA trace). It changed the terrain pixel format to fp16 from uint16. Much more quantized. Equivalent of XX bit at height 0.51.0. Wondering why it didn't use unorm16"  
[X Link](https://x.com/SebAaltonen/status/1999608683915850060)  2025-12-12T22:33Z 47.8K followers, 6066 engagements


"@PompiPompi Primary rays only at this point"  
[X Link](https://x.com/SebAaltonen/status/2000210304580407445)  2025-12-14T14:24Z 47.8K followers, XXX engagements


"Bilinear patches (quadratic solve) for terrain ray intersection. Gather4 provides texel corners. Looks better than 2x triangle planar intersection. No normal smoothing yet. This is the actual geometry"  
[X Link](https://x.com/SebAaltonen/status/2000313897019134364)  2025-12-14T21:16Z 47.8K followers, 2796 engagements


"My intention was to implement 4x4x4-tree for voxel tracing. But terrain ray-tracing is a fun side quest"  
[X Link](https://x.com/SebAaltonen/status/2000314652064874567)  2025-12-14T21:19Z 47.8K followers, 1842 engagements