New blog post: "The current technology is not ready for proper blending"

https://blog.pkh.me/p/43-the-current-technology-is-not-ready-for-proper-blending.html

Blender Studio Releases Free New Game 'Dogwalk' to Showcase Its Open Source Godot Game Engine - "Steam quietly welcomed another indie game this week, but this one is distinctly d... - https://games.slashdot.org/story/25/07/14/0513223/blender-studio-releases-free-new-game-dogwalk-to-showcase-its-open-source-godot-game-engine?utm_source=rss1.0mainlinkanon&utm_medium=feed #graphics

Dear #shader #graphics #programming community:

Where is the rendering error on my raymarched sphere grid coming from?

Farther away spheres distort in circular patterns when stacked. Dunno if it's caused by space repeating function running out of accuracy, and far away grid components starting to count in..

But it's kind of hard to do a grid without a repeating function!

Any ideas appreciated.

Here's how I edit screenshots of the 80*25-character VGA text mode to simulate the CRT look:
1) Take a screenshot of DOSBox. (It has square pixels and no extra pixel column between the 8*16-pixel characters.)
2) Add 1 black column to the right side of each character. (VGA does this in some text modes.)
3) Double the width and the height. Use nearest neighbour interpolation.
4) Make every 2nd pixel row of the characters lighter and the rest darker. This simulates the gaps between the horizontal sweeps of the electron beam.
5) Aspect ratio correction: Resize the width to 20/27 of the original. Keep the original height. Use linear interpolation. The ratio comes from (4/3)/((80*9)/(25*16)) where 4/3 is the aspect ratio of old screens and (80*9)/(25*16) is the aspect ratio of the image with square pixels.
#tutorial #graphics

Graphics Artists In China Push Back On AI and Its Averaging Effect - Graphic artists in China are pushing back against AI image generators, which they ... - https://tech.slashdot.org/story/25/06/27/2343245/graphics-artists-in-china-push-back-on-ai-and-its-averaging-effect?utm_source=rss1.0mainlinkanon&utm_medium=feed #graphics

I'm looking at blending a blurry surface (anti-aliasing with an extra step). As far as I can tell, a smooth ramp combined with an OkLab blending (in the case of black and white as seen below it is equivalent to a linear mix(c₀,c₁,v³) where v is the ramp height) gives the best results.

I'm extremely surprised by how much difference these changes make. In particular, I'm very surprised by how the eyes/brain notice so strongly the discontinuity with the linear ramp.

Having been a "demoscener" (± 1000 years ago), I've got a soft spot for retro demo effects. Someone recreated a number of them in JavaScript and Canvas:

https://jdfio.com/pages-output/demos/x-mode/

One of my all-time favorite Commodore Amiga tunes is the soundtrack of the Brain-State-In-A-Box demo, published in 1994 by the Cryptoburners.

The first version of Windows Help (WINHELP.EXE) used a magnifying glass icon for the Search button, which the dev team soon learned was not universal:

"The WinHelp team received a question from one of the overseas offices asking why the icon for Search was a frying pan."

https://devblogs.microsoft.com/oldnewthing/20250603-00/?p=111240

Atari 2600 Graphics Construction
We've talked about this topic before, but I recently found a video, from Mark Rotondella, on how the Atari VCS/2600 creates its graphics. (6 minutes)

https://www.youtube.com/watch?v=FnoY5yRtOgQ

It makes the useful observation that the first programmable game system (that is, with interchangable cartridges that contained prog
https://setsideb.com/video-on-atari-2600-graphics/
#retro #2600 #atari #graphics #MarkRotondella #retro #vcs #video #youtube

Nvidia's RTX 5060 Review Debacle Should Be a Wake-Up Call - Nvidia is facing backlash for allegedly manipulating the review process of its GeF... - https://tech.slashdot.org/story/25/05/22/2025241/nvidias-rtx-5060-review-debacle-should-be-a-wake-up-call?utm_source=rss1.0mainlinkanon&utm_medium=feed #graphics

This has always been a bit confusing to me: The original Sim City "Graphics Pack 1 - Ancient Cities" was also known as "Architecture 2" in its European release. At the same time, it always contained the same three graphic themes: "Ancient Asia", "Medieval Times" and "Wild West".

Anyway: Here's a good European 5.25 360K inch disk set:
https://archive.org/details/simcity_architecture-2_525

Have fun!

This is a #graphic that I came up with a few years ago. It has the slogan in 7 languages: #Spanish, #Arabic, #Hebrew, #English, #Esperanto, #Farsi, and #French.

I just had a vendor on Etsy make me a few #tshirts with it, and if you want one for yourself let me know. (I don't make or sell them, only the vendor does.)

To get a fuller resolution copy as a PDF, go to Wikimedia Commons at:
https://commons.wikimedia.org/wiki/File:Palestinian_Lives_Matter_in_7_languages_(ES,_AR,_HE,_EN,_EO,_FA,_FR)_graphic_file_for_solidarity.pdf

#lang_EO #ARA #EO #EPO #ES #FAS #FRA #HEB #SPA #Español #Français

#PermanentCeasfireNow #EndBlockadeOfGaza
#RestoreFundsToUNRWA #StopGazaGenocide #IsraelWarCrimes #SolidarityWithPalestine is #NotAntisemitism
#EqualRightsForAllFromTheRiverToTheSea is #NotAntisemitic #JewHatredHurtsPalestine #Gaza #Israel #Palestine #MiddleEast #WestAsia #graphics #politics @palestine @israel

GrafX2 is a hidden #graphics gem. It is specialized in 256-color drawing and one of its main supported platforms is not #Linux, its #FreeBSD . How lovely.

http://grafx2.chez.com/index.php?static3/downloads
https://www.freshports.org/graphics/grafx2/

Blender users, always keep in mind that Blend files can execute malicious Python scripts…

https://blenderartists.org/t/blend-files-can-execute-malware/1591331

Kaleidoscopico Shows Off Pi Pico’s Capabilities - In the early days of computing, and well into the era where home computers were co... - https://hackaday.com/2025/04/27/kaleidoscopico-shows-off-pi-picos-capabilities/ #retrocomputing #raspberrypi #assembly #chiptune #graphics #hardware #pipico #risc-v #amiga #video #demo

Firmware Upgrade by Folcka / Depth

https://demozoo.org/graphics/371233/

Released in 2025 at Revision

#demoscene #creative #commodore #amiga #2d #graphics #visuals #pixels #drawing #painting #pictures #pixelart #digitalart #computerart #art #picoftheday #pictureoftheday

If you know Deluxe Paint ("DPaint") for the Amiga (and MS-DOS), you know that it's one of the best pixel editors ever.

@PyDPainter is a free, faithful DPaint resurrection, and the latest release includes a macOS beta version…

https://github.com/mriale/PyDPainter/releases/tag/v2.1.0