Monthly Archives: August 2013

Making vector arcade games with an FPGA


Hackaday

3d

While we’re sure most Hackaday readers were raised by arcade games featuring sprites, pixels, and other shiny brightly colored squares, this was not always so. Many classic arcade games – Lunar Lander, Gravitar, and Asteroids in particular – used vector displays. Instead of drawing individual pixels, these games functioned more like an oscilloscope, drawing lines. When [Todd] and [Andrew] got their hands on a monitor from an old Asteroids cabinet, they knew what they had to do: build their own vector arcade game.

The guys made their own DAC and Amplifier board that plugs right in to a Nexys2 FPGA dev board. This was after they tested out some 3D drawing code with a gnarly handmade R2R DAC they used to draw and rotate a cube on an oscilloscope screen.

Not only did the guys build a vector video card, they also connected the FPGA’s VGA out to a…

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Meta, The Crazy AR Glasses That Aim To Do What Google Glass Can’t, Go Up For Pre-Order


TechCrunch

DSC_0001

Over a year after the announcement Of Google Glass, many folks I talk to still seem to be misunderstanding what Glass can actually do.

“It’ll be great for Augmented Reality!” they say, assuming that Glass can render objects directly into your full view of the world (it can’t.) “Ooh! It’ll be like Minority Report!”, expecting Glass’ camera to pick up your every hand wave (it doesn’t.)

Then they try on a pair and realize that… well, that’s not what Glass is. But it’s what Meta is aiming to be — and their first (read: still a bit rough) version is going on sale to the public starting today.

To picture the Meta, picture a pair of glasses — or, more accurately in its current stage, a pair of safety goggles. Put a translucent, reflective surface in each eye piece, displaying images on top of your field of view as piped…

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Betaworks Updates Instapaper’s Web Reader, Browser Extensions And Mobile Updates To Come


TechCrunch

instapaper-web

Since Betaworks acquired read later service Instapaper from its creator Marco Arment, the startup studio has been pretty quiet. But the first major update is now right around the corner. The web reader was updated and a beta version is available. According to the blog post, the iOS and Android versions will receive some love as well, and many long standing feature requests will eventually come to the service.

Users will soon be able to sort and filter unread items in the mobile apps. Like competitor Pocket, Instapaper will have browser extensions to supplement the traditional bookmarklet on the desktop. RSS feeds will make a comeback as there used to be a way to subscribe to an RSS feed in Instapaper, but it was killed due to server charge and Arment’s design decision. Finally, Betaworks mentions new social integrations.

For those last two features, Betaworks may…

View original post 225 more words

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