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Old 01-27-2009, 07:35 AM #17
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Default Re: Laser games and first person 3D laser graphics

The engine currently works with the Easylase DAC only, since that is what I have. It still needs to be transformed into a proper library and, in the future, support multiple DACs.


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Old 01-27-2009, 08:53 AM #18
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Default Re: Laser games and first person 3D laser graphics

Well, send over the source or whatever you have so far and I can help you develop this. It would be great to see some open source software for turning laser projectors into games platforms

Since I work in the gaming industry, this is certainly something in my interests. I'd love to make a game like this and showcase it at a game development convention
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Old 01-27-2009, 10:27 AM #19
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Default Re: Laser games and first person 3D laser graphics

Quote:
Originally Posted by Zoof
The engine currently works with the Easylase DAC only, since that is what I have. It still needs to be transformed into a proper library and, in the future, support multiple DACs.
Doesn't it work with the LaserBoy - SoundcardDAC too, with Lava's modified Easylase driver or so?
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Old 01-27-2009, 01:19 PM #20
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Default Re: Laser games and first person 3D laser graphics

yep, drLava wrote a driver that acts like an easylase dac to the software and outputs to the soundcard.
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Old 01-28-2009, 05:45 AM #21
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Default Re: Laser games and first person 3D laser graphics

First off, these videos are insanely cool and I wish you took some footage of the projection with fog! Do you already have the blu-ray lasers built into your scanner? Welcome to the forums, as well! I personally love games like Geometry Wars... On a big screen LCDTV it's hypnotising. With a projector.. I can't even fathom.

http://www.youtube.com/watch?v=cpD6atERJ08"]3D laser graphics: Tesseract or Hypercube (4D cube) projected in 3D[/url]
http://www.youtube.com/watch?v=euHDBv4TDJE"]Realtime interactive 3D laser rendering[/url] (awesome!)

http://www.youtube.com/watch?v=Mc3MsFzBEb4"]3D laser graphics III: fading[/url]
http://www.youtube.com/watch?v=HLtS1NIwBpU"]Some fun with Space Fury on Mike's LazyMame[/url]
http://www.youtube.com/watch?v=qvAPA_0J0sE"]RGB laser setup playing ZoofScope[/url] (The scanner)
http://www.youtube.com/watch?v=XTE44tAJLDk"]xmastree in laser[/url]
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Old 01-28-2009, 11:26 AM #22
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Default Re: Laser games and first person 3D laser graphics

Quote:
Originally Posted by briankeys
I personally love games like Geometry Wars... On a big screen LCDTV it's hypnotising. With a projector.. I can't even fathom.
Really. The next Xbox 360 game I'm developing will look a little like geometry wars
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Old 01-29-2009, 08:08 AM #23
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Default Re: Laser games and first person 3D laser graphics

Quote:
Originally Posted by Murudai
[quote author=briankeys link=1232647184/20#20 date=1233125137]I personally love games like Geometry Wars... On a big screen LCDTV it's hypnotising. With a projector.. I can't even fathom.
Really. The next Xbox 360 game I'm developing will look a little like geometry wars
[/quote]

Nice, I'm a huge fan of Geometry Wars. I don't program, but I have been in video game QA for 3 years and am currently doing pre-certification testing at Microsoft.
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Old 01-29-2009, 08:26 AM #24
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Default Re: Laser games and first person 3D laser graphics

It's actually really easy to make a game look like that. I mean, take away the particles and the blur effect and it'll just look like asteroids, much like the asteroids game here :P

I love the grid through, in Geometry Wars. In the background. That's really cool, and amazingly simple to do. Give me 10 minutes and I can make an awesome, flexible grid like that as well Wish I thought of it first :P
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Old 01-29-2009, 08:39 AM #25
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Default Re: Laser games and first person 3D laser graphics

Geometry wars is nice. But those effects take up a lot of points in laser scanning slowing the frame rate down to a stop. Especially a grid like that.
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Old 01-29-2009, 09:13 AM #26
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Default Re: Laser games and first person 3D laser graphics

Oh, lol, you couldn't do Geometry Wars with a laser scanner :P You could make it look similar, but laser scanners can't do blur effects, and Geometry Wars uses them a lot.

You could make a pretty good game for a laser scanner that takes advantage of the effects it can do, but you'd need to make it from the ground up and not just make a scanner port of existing games that were never designed for such a constricting medium.

And I'd love to make that game, but I'd need to get a base engine that works with my DAC first
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Old 01-29-2009, 09:13 PM #27
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Default Re: Laser games and first person 3D laser graphics

noting to myself - to do:

support moncha dac
make library of engine code




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Old 01-29-2009, 09:28 PM #28
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Default Re: Laser games and first person 3D laser graphics

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noting to myself - to do:

support moncha dac
make library of engine code



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Old 01-30-2009, 12:04 AM #29
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Default Re: Laser games and first person 3D laser graphics

I saw something interesting but I can't remember where it was - laser graffiti. It used a high-speed camera to search for a green point and fed that into a computer. In this case it was attached to a large projector, shining onto a building, but in your case it could be a brilliant way of controlling the games. Having pacman trying in vain to eat a laser dot wouldn't EVER get boring...
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Old 01-30-2009, 04:20 AM #30
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Default Re: Laser games and first person 3D laser graphics

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I saw something interesting but I can't remember where it was - laser graffiti. It used a high-speed camera to search for a green point and fed that into a computer. In this case it was attached to a large projector, shining onto a building, but in your case it could be a brilliant way of controlling the games. Having pacman trying in vain to eat a laser dot wouldn't EVER get boring...
I know what you're talking about. That was pretty awesome, and it would be cool to have that in a game. If someone can work out how to do that, I can make the actual game

Here's the link: http://graffitiresearchlab.com/?page_id=76
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Old 01-30-2009, 10:48 PM #31
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Default Re: Laser games and first person 3D laser graphics

From what I can see of it, all they have is a pretty standard high-ish speed camera pointing at the building, but I suspect you'd have some major issues if you are scanning with a green beam. Try using a webcam and a green pointer on a flat wall and see what results you can get using a simple image processing system.

You could then try it with a red/blue scanner and see what happens. If you really want a green scanner, you could use a negative feedback system (where the camera "knows" where the beam is scanning and disregards it) or a filtered module in the scanner and an unfiltered one in the pen - then using an IR camera looking for the 808/1064nm leakage instead. You may face issues when the CCD becomes over-saturated indoors or in the dark...
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Old 01-30-2009, 11:04 PM #32
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Default Re: Laser games and first person 3D laser graphics

Yeah, they get away with it because they use a green pointer and a blue projector to display the image. The best way I reckon would be a proper IR laser, not a cheap green spewing IR (which would probably have such diverged IR at that distance the camera wouldn't get it). A camera would pick up where the IR dot is, then the projector would put a 'cursor' in that point.

It would look just like a green laser (with maybe a bit of latency) and you wouldn't have any colour conflicting issues
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