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kottke.org posts about Asteroids

Recreating the Asteroids arcade game with a laser

posted by Jason Kottke   Mar 22, 2017

Watch as digital artist Seb Lee-Delisle recreates the old school video game Asteroids with a laser. But why use a laser? There’s actually a good explanation for this. In the olden days of arcade video games, the screens on most games were like Pac-Man or Donkey Kong…a typical CRT refreshed the entire screen line-by-line many times a second to form a pixelized scene. But with vector games like Tempest, Star Wars, and Asteroids, the electron beam was manipulated magnetically to draw the ships and rocks and enemies directly…and you get all these cool effects like phosphor trails and brighter objects where the beam lingers. When you play Asteroids on a contemporary computer or gaming system, all those artifacts are lost. But with a laser, you can emulate the original feel of the game much more closely.

You’re not going to want to because it’s 17 minutes long, but you should watch the whole video…it’s super nerdy and the explanations of how the various technologies work is worth your while (unless you’re already a laser expert). I loved the bit near the end where they slowed down the rate of the laser so you could see it drawing the game and then slowly sped it back up again, passing through the transition from seeing the individual movements of the laser to observing an entire seamless scene that our mind has stitched together. In his recent book Wonderland, Steven Johnson talks about this remarkable trick of the mind:

On some basic level, this property of the human eye is a defect. When we watch movies, our eyes are empirically failing to give an accurate report of what is happening in front of them. They are seeing something that isn’t there. Many technological innovations exploit the strengths that evolution has granted us: tools and utensils harness our manual dexterity and opposable thumbs; graphic interfaces draw on our powerful visual memory to navigate information space. But moving pictures take the opposite approach: they succeed precisely because our eyes fail.

This flaw was not inevitable. Human eyesight might have just as easily evolved to perceive a succession of still images as exactly that: the world’s fastest slide show. Or the eye might have just perceived them as a confusing blur. There is no evolutionary reason why the eye should create the illusion of movement at twelve frames per second; the ancestral environment where our visual systems evolved had no film projectors or LCD screens or thaumatropes. Persistence of vision is what Stephen Jay Gould famously called a spandrel — an accidental property that emerged as a consequence of other more direct adaptations. It is interesting to contemplate how the past two centuries would have played out had the human eye not possessed this strange defect. We might be living in a world with jet airplanes, atomic bombs, radio, satellites, and cell phones — but without television and movies. (Computers and computer networks would likely exist, but without some of the animated subtleties of modern graphical interfaces.) Imagine the twentieth century without propaganda films, Hollywood, sitcoms, the televised Nixon-Kennedy debate, the footage of civil rights protesters being fire-hosed, Citizen Kane, the Macintosh, James Dean, Happy Days, and The Sopranos. All those defining experiences exist, in part, because natural selection didn’t find it necessary to perceive still images accurately at rates above twelve frames a second — and because hundreds of inventors, tinkering with the prototypes of cinema over the centuries, were smart enough to take that imperfection and turn it into art.

Might as well face it, you’re addicted to games

posted by Jason Kottke   Apr 05, 2012

Judging from the sheer number of you who sent in this link, it might be the kottke.orgest link in the history of the internet. In it, Sam Anderson goes long for the NY Times Magazine on casual games (like Angry Birds, Tetris, Bejeweled, etc.).

In 2009, 25 years after the invention of Tetris, a nearly bankrupt Finnish company called Rovio hit upon a similarly perfect fusion of game and device: Angry Birds. The game involves launching peevish birds at green pigs hiding inside flimsy structures. Its basic mechanism - using your index finger to pull back a slingshot, over and over and over and over and over and over and over - was the perfect use of the new technology of the touch screen: simple enough to lure a suddenly immense new market of casual gamers, satisfying enough to hook them.

Within months, Angry Birds became the most popular game on the iPhone, then spread across every other available platform. Today it has been downloaded, in its various forms, more than 700 million times. It has also inspired a disturbingly robust merchandising empire: films, T-shirts, novelty slippers, even plans for Angry Birds “activity parks” featuring play equipment for kids. For months, a sign outside my local auto-repair shop promised, “Free Angry Birds pen with service.” The game’s latest iteration, Angry Birds Space, appeared a couple weeks ago with a promotional push from Wal-Mart, T-Mobile, National Geographic Books, MTV and NASA. (There was an announcement on the International Space Station.) Angry Birds, it seems, is our Tetris: the string of digital prayer beads that our entire culture can twiddle in moments of rapture or anxiety - economic, political or existential.

But the real lily gilder here is that you can play Asteroids right on the article page…you can shoot almost everything off the page aside from the article itself — ads, comments, navigation, etc. This in-article game is based on this JavaScript hack that will let you play Asteroids on any old web page. Pretty cool. (thx, everyone)

Play Asteroids on any web page

posted by Jason Kottke   Sep 29, 2010

This bookmarklet will let you play Asteroids on any web page…the enemies are the images, text, and videos on the page. You can click here to play right now on this very page. (Arrows to move, spacebar to fire, the score is in the lower right corner.) It’s pretty satisfying to blow the kottke.org front page to bits. Someone should make a multiplayer version so that everyone currently visiting a page can all play together. (thx, cary)

Asteroids record broken

posted by Jason Kottke   Apr 12, 2010

The current record for Asteroids is 41,336,440. It was set back in 1982, making it the longest-held record in video gaming.

[Fifteen-year-old Scott] Safran, who had been practicing nonstop at the game for the previous two years, agreed to play a marathon session of Atari’s popular outer-space shooting game as part of a charity event in Pennsylvania. His mother drove him to the event and lent him a quarter, which he dropped into the machine Nov. 13.

Why has the record held so long? Because Safran’s game took three continuous days to play with minimal breaks. Now, a new unofficial record has been set by John McAllister; he played 58 straight hours and beat Safran’s record by just over 2,000 points. Oh and those minimal breaks I mentioned:

When he needed a bathroom break, he stepped away from the machine and shed a few lives until his return. It got a little scary towards the end, because he started to run alarmingly short on extra lives as a result of his final bathroom break. He recovered well shortly thereafter, but not without giving all of us onlookers quite the scare first.

For reference, the contest in Hands on a Hard Body lasted 77 hours.