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@mmalex

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noob @ midjourney; ex: NVResearch (InstantNGP/NeRF); cofounder MediaMolecule (Dreams, LittleBigPlanet); demoscene/vj (statix/bluespoon); synth tinkerer (plinky)

london
https://t.co/4fgfCVgGQZ
Joined March 2008
Don't wanna be here? Send us removal request.
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@mmalex
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@mmalex
4 years
I hope I get a medal one day for bad project filenames: LBP1 = ps3test1 LBP2 = ps3test1 LBP server = pagetest Dreams = dd Dreams server = aaa Plinky = omgwtf
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@mmalex
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@mmalex
7 years
one of my fave easter eggs in Black&White 1: we recorded, for every language, the most popular 10 or so names as a spooky whisper. we then fuzzy matched this against your windows login name, pc name, creature name etc and triggered the voices if you played after midnight.
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@mmalex
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@mmalex
2 years
when code actually works
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@mmalex
5 years
@AeornFlippout I feel your pain! We had a β€˜fun’ one on LittleBigPlanet 1: 2 weeks to gold, a Japanese QA tester started reliably crashing the game by leaving it on over night. We could not repro. Like you, days of confirmation of identical environment, os, hardware, etc; each attempt took /
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@mmalex
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@mmalex
5 years
@fullbright i suffered from that too! did you ever play after midnight and hear ghostly voices whispering β€˜steeeeeve... steeeeve.... β€˜? most hilariously evil easter egg ever. we localised the voice actors reading top 20 names in each lang and scraped your pc for your name....
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@mmalex
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@mmalex
4 years
Hey! so a few months ago I did a bit of lockdown-inspired soul searching & decided to step down from 'dreams dev' to 'dreams fan' - take a break from gamedev, a career I've been lucky enough to enjoy since I was a spotty 15 year old 1/3
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@mmalex
5 years
@AeornFlippout To find out. Eventually the answer came: cleaners arrived. They were more thorough than our cleaners! One hour of vacuuming near the eye toy- white noise- caused the in game chat audio compression to leak a few bytes of memory (only with white noise). Long enough? Crash.
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@mmalex
5 years
@fullbright on black and white 1 theres a memory leak we never found. so it detects if low on mem, saves, quits and restarts itself without explanation. passed overnight qa soak after that...
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@mmalex
3 years
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@mmalex
5 years
@AeornFlippout Our final repro: radios tuned to noise, turned up, and we could reliably crash the game. Fix took 5 minutes after that. Oh, gamedev....
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@mmalex
7 years
random shader/visualization tip: when you need to visualize a value that varies over a large range, its handy to remember x/(1+x) as a way to 'squash' it from 0->inf into 0->1. tanh is good for signed x, +-inf->+-1
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@mmalex
7 months
so excited by the explosion of gaussian splatting; cant wait for the community to start playing with painterly styles; on dreams, we used splats with tiny alpha-textured meshes called 'flecks' (not flat!) that selectively can replace the little 'blob' with painterly texture 1/n
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@mmalex
5 years
the old lfo trick to get stable sin & cos waves still amazes me, especially as it looks like a complex multiplication done wrong: c-=a*s; s+=a*c; that's it! start with c=1,s=0, a small constant. fp errors cancel, stable forever. note no temp copy of c/s in update!feels like magic
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@mmalex
5 years
I keep procastinating writing more UI for plinky, so instead of waiting here's a video of me noodling around, direct audio from plinky, shaky iphone 6 video. it's a multi-touch (v sensitive!) surface + 8-voice, 32 oscillator + granular sampler + reverb + tape delay. it's fun!
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@mmalex
2 years
Yay! I can finally say that my first 'proper' academic paper - with NVIDIA friends Thomas MΓΌller, @c_schied & Alex Keller - is coming to SIGGRAPH! It's old news in the fast paced world of ML research, so I thought I'd add a note on where it come from: .
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GitHub - NVlabs/instant-ngp: Instant neural graphics primitives: lightning fast NeRF and more

Instant neural graphics primitives: lightning fast NeRF and more - NVlabs/instant-ngp

github.com
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@mmalex
3 years
oh look i got a new GPU! but i plugged it into my laptop and it doesnt seem to be working? πŸ€”
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@mmalex
4 years
daughter out of hospital after 4 long days of needing oxygen. virus panel showed she had flu + cold combo, plus asthma, leading to pneumonia. people saying β€˜covid is just flu’ irritate me even more now. they both suck, wear a mask and protect the vulnerable around you.
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@mmalex
4 years
For anyone worrying about dreams - don't! what MM are doing on dreams atm is gonna *blow your minds* & though I'll miss them all, I'll be cheering from the sidelines! thanks to them for the first 13 wonderful years & here's to MM's next 13! 3/3
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@mmalex
5 years
@AeornFlippout Over 24h, plus time differences, and still no repro. Eventually we realised they had an eye toy plugged in, and set to record audio (that took 2 days of iterating) still no joy. Finally we noticed the crash was always around 4am. Why? What happened only in Japan at 4am? We begged
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@mmalex
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@mmalex
4 years
twas my last official day at @mediamolecule on friday. thankyou to the loveliest boldest smartest gamedev team in the world (not biased i dont work there see!) but im afraid you wont miss me coz im gonna haunt you from twitter & twitch woohahahaha
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@mmalex
4 years
another dream where I have no idea how they did it. the best compliment a tool maker can give or receive :)
@Bracord1
Bracord
@Bracord1
4 years
#MadeInDreams #PS4share
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@mmalex
7 years
ok movie guys, you're just taking the piss now. to get nice rim lighting on the skin in moana, they modelled peach fuzz & brute forced it.
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@mmalex
2 years
i think this by @BrianKaris is my favourite talk of all time. must watch. his answer in q&a about average triangle size being higher than he thought (4 pixel edge ish) reminded me of a long forgotten sw rasteriser someone at bullfrog wrote in the 386 era! (around dungeon keeper..
@HPG_Conf
High-Perf Graphics
@HPG_Conf
2 years
At the #HPG2022 in-person event, @BrianKaris presented his Journey to Nanite. He talked about the process of inventing the groundbreaking geometry engine in UE5, highlighting the perseverance, confidence, and fear that comes with research. Watch it here:
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@mmalex
4 years
right everyone, you need to tell all your friends, pets, etc to buy #DreamsPS4 because it's good and stuff, right? and out now! the best game on PS4 I reckon! #notbiased
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@mmalex
4 years
patch release button pressed...
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@mmalex
4 years
daughter extremely frustrated that the bookshop had no good books about spiders, so she got her head down and produced this. β€˜people need more knowledge but what if they don’t want to learn?’ Ah honey, i think you have uncovered something universal with that one...
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@mmalex
3 years
photopea (in browser, free, photoshop clone) is staggeringly good. super fast/responsive, matches photoshop 'of old', and gets lots of important ergonomic/quality details that others (cough gimp cough) dont. I feel more at home in photopea then eg affinity designer,
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@mmalex
4 years
MM is a wonderful place, I can't imagine making games anywhere else; but I wondered what /else/ an old fart like me could do in this world? I've been in the gamedev bubble so long I'm not yet sure what's next, or even out there, for someone like me. 2/3
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@mmalex
10 years
a blog visualizing algorithms, with tonnes of lovely animated examples http://t.co/KHeqoc4fO8
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@mmalex
3 years
30 years ago my lovely parents bought me this book, which is falling apart from the years of intense reading. it goes thru all the classics - fractals, alife, puzzles, primes, and was absolutely formative to my teenage brain.
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@mmalex
4 years
so proud of dreams & the team that made it; it's big, imperfect, messy,ground-breaking, still-in-progress; most wonderful of all, tho, is the community that's grown up around it. unusually inclusive, supportive, creative, cheerful. thanks to everyone who was/is/will be part of it
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@mmalex
4 years
sorry to let you know chaps, we’re a playstation exclusive. :) #DreamsPS4
@Xbox
Xbox
@Xbox
4 years
Power Your Dreams. #XboxSeriesX #PowerYourDreams
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@mmalex
4 years
every gamedev knows and loves the β€˜5 cent filter’ aka easy easing: if you have a (persistent) value x, perhaps its the position of something eg a ui element, instead of setting it to a new value, say N, nudge it 1% of the way there each frame: x+=(N-x)*0.01; /
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@mmalex
4 years
time for the traditional trip to game on guildford high street to see our game in physical form! with ⁦ @marcoshealey ⁩ . thanks for the support game!
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@mmalex
1 year
thanks to everyone at mm for pouring their hearts into dreams for >10 years (long r&d!) the result is still something that has no right to exist, yet it does! thanks also for keeping it online going forward. 1/2
@mediamolecule
Media Molecule
@mediamolecule
1 year
A message from Media Molecule regarding the upcoming server migration and live service support for Dreams.
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@mmalex
4 years
one thing i love about the #DreamsPS4 engine is that this is entirely hand modelled & painted; no textures at all. it also looks unlike most other SDF stuff - this is effectively all a directly sphere traced distance field. on a relatively slow ps4 gpu!
@MartinNebelong
Martin Nebelong
@MartinNebelong
4 years
Here's a piece of artwork made in Dreams by one of my big Dreams idols, @Johnee_B . We haven't seen much of his Dreams work yet (hopefully we will see more when Dreams is released February 14th). This scene was made by him on a Playstation 4.. what a game changer! #MadeInDreams
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@mmalex
7 years
a programming story: 'ill just quickly hack in DebugDrawQuad' <years pass> 'oh god the entire game is drawn with 8000000 DebugDrawQuads'
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@mmalex
4 years
still processing that dreams is actually gonna be properly out in just a few weeks. thanks to all the creators who participated in the early access, and the lovely molecules for slaving away for 7+ years on this bonkers project.
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@mmalex
2 years
graphics programmers are 2x better than normal programmers, because when we're wrong, we're off by 0.5, not off by 1. FACT.
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@mmalex
4 years
dear imgui changed game dev. dont @ me
@Ybalrid
Arthur Brainville
@Ybalrid
4 years
- Install MS Flight Simulator - Find an option called "developer mode" - turn in on - Hello Dear Imgui (cc @ocornut )
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@mmalex
2 years
the # of background processes running on a modern windows 11 pc is just such a disaster from a security, perf, stability pov. all named like gjepxjtsvc.exe. taskmanager is just incomprehensible. i want clear indication of what each exe is, who launched it, who/when installed…
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@mmalex
3 years
in my 20s i just did stuff without worrying too much about its success or audience, but thru my 30s and onwards i got more and more crippled by doubt, rejecting things as crap before they’ve really begun. havent figured out how to reverse this trend and its depressing at times
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@mmalex
5 years
ever wanted to play #dreamsps4 ? after a bajillion years, you can finally get it on the playstation store, april 16th. YAY? yay. <server coder sweats begin>
@mediamolecule
Media Molecule
@mediamolecule
5 years
#DreamsPS4 Early Access launches on *deep breath* April 16th, 2019! πŸŽ‰ Read more about our exciting announcement, and answers to some of your most asked questions regarding Dreams Early Access, right here:
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@mmalex
4 years
gave my 9yo an old chromebook and set up a gmail for her, and now she randomly sends me β€˜love you daddy’ emails ... this is a good phase please never grow up thankyou
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@mmalex
1 year
semi-secretly filmed my youngest sketching on the back of a menu while we waited for food. he’s really into gothic architecture atm so this stuff just pours out of him. @rexbox would be proud!
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@mmalex
6 months
i've wanted to build something like this for ages! but never got off my arse to actually do it. love it ->
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@mmalex
1 year
I normally make it a rule not to tweet negativity but I just have to say cmake is monstrous I hate it with the heat of a thousand suns. thank god cmake and jira can't have kids. /whinge
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@mmalex
3 years
SDFs FTW :)
@BAFTAGames
BAFTA Games
@BAFTAGames
3 years
Creativity is king as @mediamolecule 's Dreams picks up the #BAFTAGames award for Technical Achievement.
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@mmalex
5 years
*this* excites me about dreams. people who've never dared create (games) in 3d, finding a new outlet. so cool. I also encourage everyone who doesnt think they have a musical bone in their body to try out the audio tutorial. its one of the most fun things just to mess around with.
@_ReadyToPlay_
Darkpri
@_ReadyToPlay_
5 years
I can't believe I was able to do something like this without ever touching a 3D modeling program in my life. I will upload a video very soon... PROJECT PARADISE ISLANDπŸ’ͺ😊 #MadeInDreams @mediamolecule #DreamsPS4
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@mmalex
5 years
thinking about recording a stream about 'how dreams works under the hood'. would be interesting perhaps to coder/devs perhaps, and it would explain why the thermometers in game are the way they are. but! would introduce tonnes of complex concepts that may confuse people /
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@mmalex
2 years
still messing around with spheres on a plane in shadertoy, having my @Peter_shirley inspired christmas pathtracer moment. I think my refraction math is completely borked, god damn it.
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@mmalex
3 years
TIL (from , who is not on twitter afaik) if you interpolate camera matrices in log space, the center of rotation is preserved. this is awesome for smoothing camera paths and I cant believe I didnt do this before. may this tweet make you less dumb than me
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@mmalex
2 years
my kids & @cheevil got me this new t-shirt to celebrate the end of a mini crunch at work. what are they trying to say... im not... addicted....
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@mmalex
3 years
really cool new paper from NVIDIA colleagues! give it renders of a hires model (sdf, mesh, anything!), it will figure out & optimise a lores mesh with textures, material, normalmap that matches the original... MAGIC!
@aaronlefohn
Aaron Lefohn
@aaronlefohn
3 years
Automatic LOD generation via differentiable rendering? Yes. Indeed. Automatically generate geometry, displacement maps, and materials that preserve appearance at all scales.
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2 years
getting old unapologetically
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4 years
every time i tweet this week a few people seem to unfollow, so im gonna clean house some more by uncharacteristically posting a kid pic and go cat cat cat stl::map sucks brothomstates is an anagram of bathroomtests brexit stinks dreams creators are lovely write c not c++
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@mmalex
3 years
@Charalanahzard are… are we the bad guys?
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@mmalex
3 years
ok so this 48” 4k oled is ace (120hz gsync with the right gpu!) for circuit design and pcb layout. i used a large tv for coding at mediamolecule so i know that rules, but i hadnt tried circuits; no zoom needed to see a whole euro module (5” high) with 0402/0603 😍
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@mmalex
2 years
global variables are massively underrated. bite me
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@mmalex
3 years
10yo daughter found an ancient (10yo) iphone 4 and it works just about well enough for her to send text messages. best idea ever - now at sporadic moments during the day, I get random messages 'love you daddy' and 'how you doing? ❀️' etc and it just is the best.
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@mmalex
1 year
today's triangle positive thought - I do love the look of coarse untextured geometry under soft lighting.
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@mmalex
5 years
my 8yo daughter recently got a simple calculator, which she loves... got to talking about making her own, showed her pics of adafruit 7seg displays, some strip board, arcade buttons and an attiny85 and discussed how they could work together... she came back with this: ma girl! 😍
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2 years
if you want to pick a 'cosine weighted' direction in a hemisphere above a normal vector n, most code you see around messes with constructing a basis around n (yuck) etc; you can just do normalize(n+z) for some uniform random unit vector z! I love this trick. send tweet.
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@mmalex
3 years
amazing work! and a reminder that... dreams does not have any textures... only geometry.
@OneSlaine
O-R
@OneSlaine
3 years
Final hands for animation. #DreamsPS4 #MadeInDreams
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@mmalex
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@mmalex
3 years
Sparse Octrees? SDFs? Good LODs! NEURAL ENCODING! 🀯SIGN ME UP! The best of the graphics and neural worlds collide inside Towaki et al's heads -> this awesomeness pops out. Effortlessly, I'm sure. Great work from new friends in @CasualEffects 's brilliant research group at NVIDIA
@yongyuanxi
Towaki Takikawa / η€§ε·ζ°Έι εΈŒ
@yongyuanxi
3 years
πŸ“’ Our new @NVIDIAAI paper is up on arXiv! I'm happy to share Neural Geometric Level of Detail, which enables the first ⚑real-time rendering of high quality neural #3d SDFs with a sparse octree feature volume and a tiny MLP!
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@mmalex
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@mmalex
1 year
this is the magic behind the old dsp trick used in many synths to get stable sin/cos low frequency oscillator: start with c=1, s=0; small a const controls freq. update: c-=a*s; s+=a*c; that's it! note no temp copy of c/s in update!feels like magic
@keenanisalive
Keenan Crane
@keenanisalive
1 year
Tiny changes to the order in which you update positions x and velocities v can be the difference between your simulation blowing up or dying down. But for many systems, *symplectic* integrators guarantee energy is preserved forever. Full lecture here:
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@mmalex
6 years
lovely visualisation of the decomposition of an arbitrary signal into a sum of circles, as computed by the fourier transform
@jagarikin
γ˜γ‚ƒγŒγ‚Šγγ‚“
@jagarikin
6 years
Generative Art.
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@mmalex
4 years
omg with a field of amazing peers, thankyou! wat. @mediamolecule
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@mmalex
3 years
struggling to get a good picture of noodles. she is fascinated by the lens so you can only take front-on pics, as she turns to look at it wherever you come from. all came out a bit soft as I suck at MF & the depth of field is insanely shallow. more practice needed but fun!
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@mmalex
2 years
roll my little light probe buddies, ROLL! be free!
@Telegraph
The Telegraph
@Telegraph
2 years
πŸ“½οΈOutsized baubles from a Christmas display have caused chaos on London's Tottenham Court Road after rolling into traffic. Read more here ⬇️
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@mmalex
4 years
oh dont mind me, im just chopping onions and looking at this one random dream @dorien360 made with a load of lovely people who inspire me every day with their dreams creations. man, these onions are strong.
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@mmalex
9 years
Someone has turned Covent Garden Market into a sub surface scattering demo http://t.co/m6eY284mRp
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@mmalex
5 years
oh hai i just ordered this game called #DreamPS4 i heard it's quite good but weird? looking forward to trying it out...
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@mmalex
3 years
i have no idea how john manages to make stuff like this in dreams. mad skills + ... judicious use of softness? spinning tiny cuts into a hard surface? its magic is what it is
@Johnee_B
John BeechCorp
@Johnee_B
3 years
Who needs polygons when you can make carpet tiles like these. #screenshotsaturday #gamedev #MadeInDreams
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@mmalex
3 years
goodness me, what a *masterclass* in the composition of simple (mathematical) elements to create something charming. but the real joy is watching a master artist at work, and then explaining his genius & process so eloquently. thankyou iq!
@iquilezles
inigo quilez
@iquilezles
3 years
New "Painting with Maths" (loooong) video in Youtube: Made in Shadertoy (raymarched SDF): #Mathematics #SDFs #raymarching #procedural #shader
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@mmalex
2 years
I hadn't appreciated this aspect of 'modern' C compilers aggressively inlining always_inline calls, even through function pointers, which permits writing code as efficient as C++ template specialisation in C, but with hand control of hot/cold paths. from
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@mmalex
5 years
a couple of kids in my son’s kindergarten class smashed down a block building he was making because β€˜he was wearing glittery nail varnish and boys arent allowed to wear that’ and he stood up for himself but came home all doubtful. raaaaah why do parents teach their kids this shit
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@mmalex
2 years
rendering engineers eyes pop
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@mmalex
4 years
roll up roll up get your crochet mmalex replica here!* (* margate art gallery)
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@mmalex
4 years
i often got asked before dreams came out β€˜can you do more than 2 legged creatures’ and i always said β€˜only bipeds are supported really...’ never underestimate the ingenuity of the dreams creators! πŸ‘‡
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@mmalex
4 years
this small c compiler (c11!) is being written to accompany a book where each chapter builds from nothing to compiler, and each commit corresponds to a chapter. can’t wait for the book by @rui314 i think
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GitHub - rui314/chibicc: A small C compiler

A small C compiler. Contribute to rui314/chibicc development by creating an account on GitHub.

github.com
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@mmalex
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@mmalex
6 years
our new #DreamsPS4 trailer is out! much more coming soon...
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@mmalex
7 years
#DreamPS4 is the first project where I've enforced strict instacrash on assert, no ignore allowed (as recommended by @tom_forsyth et al). its great, +1. to ease the pain, the crash handler kitten scribbles a random quote onto the frontbuffer...
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@mmalex
5 years
too true
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@mmalex
8 years
PROGRAMMERS! I have found the *ultimate* coding font. parchment. there is no going back.
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@mmalex
4 years
my emoji/meme game is not strong enough to express what Im feeling right now! brb gonna go have a little cry. thanks everyone
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@mmalex
2 years
dropped my kid off at the school gates with the words β€˜in you go honey, ive got to go and vote those tory bastards out’ - turned around to the tory candidate standing toe to toe with me, holding a leaflet out and smiling awkwardly…
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@mmalex
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@mmalex
2 years
πŸ‘€
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@mmalex
4 years
OH LOOK DREAMS PS4 VR HAS A RELEASE DATE + ANNOUNCE TRAILER. July 22. YAY AT LAST @yosp CAN RELAX.
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DreamsCom 2020 | Dreams Community Showcase | #DreamsPS4 - media_mol...

media_molecule went live on Twitch. Catch up on their Dreams VOD now.

www.twitch.tv
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@mmalex
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@mmalex
5 years
my daughter just invented 2fa! in her words: β€˜if your rainbow doesnt fit mummy’s rainbow or you dont know the secret password, you are NOT THE RIGHT DADDY’. #rainbowauth
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@mmalex
5 years
everyone left at the mm office is just scrolling through the creations people have started uploading to dreams beta. its really interesting seeing people learn everything from scratch (there's very little by way of tutorials & content on there atm). they're learning FAST!
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@mmalex
3 years
finished the lego typewriter set! really satisfying build with a spring loaded carriage that advances with each key press…
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@mmalex
10 years
good lord C: –64[T=1[O=32[L=(X=*Y&7)&1,o=X/2&1,l]=0,t=(c=y)&7,a=c/8&7,Y]>>6,g=~-T?y:(n)y,d=BX=y,l] from http://t.co/6Zn4bPgjFV 4k pc emu!
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@mmalex
6 years
im still super hyped for you all to discover the nutty, deep, granular semimodular audio/synth engine features in #dreamsps4 . hopefully youll see a glimpse real soon #psx
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@mmalex
5 years
@kenpex visualising the lifetime of allocations in LBP: time left to right, hue is linked the time of allocation, vertical thickness is thus amount of memory allocated at each time and hue change is related to churn. via @HulkHolden
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@mmalex
5 years
@pickassoreborn @fullbright β€˜bug’ :) sorry not sorry
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@mmalex
5 years
hello new users!
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@mmalex
5 years
hmm demoscene tweets lose me followers; ok here's another! imho a lot of early scene technical progress was driven by misunderstanding & overestimating what others were doing! coding back then was this serene solitarity experience between you & the code editor /
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@mmalex
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@mmalex
4 years
heres #4Games I worked on before MediaMolecule. Bullfrog was a magical place, I wish I could teleport back to that time often...
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