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#11
Re: VB mini Raspberry Pi
Posted on: 2018/9/16 15:28
VUE(xpert)
Joined 2016/12/15
USA
333 Posts
Long Time User (2 Years)
My first attempt at SBS shows it can all work. Donít get too stuck on the image size. Thatís all adjustable.

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Edited by mellott124 on 2018/9/16 15:53
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#12
Re: VB mini Raspberry Pi
Posted on: 2018/9/16 15:55
VUE(xpert)
Joined 2016/12/15
USA
333 Posts
Long Time User (2 Years)
And this looks amazing in red blue 3D. Not only was it 3D on the monitor but I could see it in 3D on my phone when I was taking the picture. :-)

I do see some games where the stereo separation is too large and hard to fuse. All of that could be tweaked using a shader. Worst case it may be a custom shader per game. Or maybe just a shader that allows the separation to be adjusted. I'll think more about it.

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#13
Re: VB mini Raspberry Pi
Posted on: 2018/9/16 20:18
VUE(xpert)
Joined 2016/12/15
USA
333 Posts
Long Time User (2 Years)
And now on my 3DTV with shutter glasses. Works great. You really need to know what you're doing in the shader otherwise everything breaks.

Mario Tennis looks crazy good. I can sit on my couch or walk right up to the TV and peer inside. There's also this cool illusion of perspective shifting when I walk around the room that makes it look like its following me.

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#14
Re: VB mini Raspberry Pi
Posted on: 2018/9/18 10:27
VUE(xpert)
Joined 2011/4/8
Great Britain
417 Posts
Long Time User (8 Years)
Liking the progress!!
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#15
Re: VB mini Raspberry Pi
Posted on: 2018/9/18 13:49
VUE(xpert)
Joined 2016/12/15
USA
333 Posts
Long Time User (2 Years)
Thanks.

The idea is to build a VB mini console based on Raspberry Pi if people are interested. Think my programmer but running Retropie with 3D and VB controller.

For 3D anaglyph, I'm experimenting with the different color options to see which is best. The 3D effect can be quite good. I've tried the normal red/cyan and I have green/magenta on the way.

Side-by-side stereo for 3DTVs is even better 3D with shutter glasses. This requires a shader running which looks good so far. It does require the shader to be tweaked per game. I found out that there is a shader distributed with Retropie for this, but an earlier one has user adjustable settings that can be set that will work better for tweaking per game. I'm tweaking the default shader for what I think is best. I've done a lot of shader work for HMDs in the past. Once settings are tweaked then a preset config file is made for each game for the best settings to load at bootup.

Mini carts with NFC tags inside that auto launch the VB games is another feature. This auto launch will be particularly important for the side-by-side 3D on 3DTVs. For the SBS mode the regular Retropie menus are not in SBS but the VB output is. So this can be confusing or difficult when moving in and out of the VB emulator versus the regular Retropie menus. The NFC carts can direct launch into the games which operates more like a console and helps with the 3D aspect. For 3D anaglyph, you can still see the regular Retropie menus so its less of a problem. This NFC launching is an idea taken from the NES mini project that did the same.

Then VB controller input via my adapter or even an adapter built into the console. With the adapter built into the console the cables for the VB controller will be short. With the adapter external then a USB cable can be used to extend as long as needed. Still debating the better approach. The integrated adapter is cleaner but with a short cable problem. I'd really like to not have to build extension cables. I'll be updating my design VB controller USB adapter to not need donor parts if it moves forward on this project.

For the VB mini case the LCD on the back will display the current running game title. I'm open to other suggestions if people think there is better info to display on the LCD.

Wondering what people think about this and if there is more interest now that I've shown 3D works? I'm not 100% sure I'm going to do it yet but I've obviously started testing and it looks like it can all work. The entire thing would be built from new parts and using no donor parts.

What do people think?
Edited by mellott124 on 2018/9/18 14:33
Edited by mellott124 on 2018/9/18 14:34
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#16
Re: VB mini Raspberry Pi
Posted on: 2018/9/18 16:09
Newbie
Joined 2016/6/10
6 Posts
Long Time User (3 Years)
I think this is friggin awesome and would buy one right away. I also think this is one of the few examples where the advantages of something like this far outweigh any lag or inaccuracies added by emulation.
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#17
Re: VB mini Raspberry Pi
Posted on: 2018/9/18 23:58
VB Gamer
Joined 2017/6/24
USA
48 Posts
Long Time User (2 Years)
I agree, this is awesome!! I would definitely want one for myself as well.
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#18
Re: VB mini Raspberry Pi
Posted on: 2018/9/19 4:55
Nintendoid!
Joined 2014/5/16
USA
146 Posts
Long Time User (5 Years)
Quote:

mellott124 wrote:
Wondering what people think about this and if there is more interest now that I've shown 3D works? I'm not 100% sure I'm going to do it yet but I've obviously started testing and it looks like it can all work. The entire thing would be built from new parts and using no donor parts.

What do people think?


I'm sure it is 0% surprising to you that I would be interested in this project! I've had a similar notional idea... basically a Pi-based "VB Classic" for lack of a better term. A dedicated device that is setup, loaded, and configured solely for VB games (and sits on my shelf in a cute little VB enclosure when not in use).

As for my thoughts, I would personally just be using it for with anaglyph glasses since I don't have a 3D TV. I have played Mednafen in anaglyph mode for years and it works pretty well for me. I can get the ghosting to an acceptable level for most games and have several different color combinations of glasses I bought for this purpose (although most of the time I go with the classic dark blue/red (not cyan)). I see the benefits of the NFC feature, particularly if game-wise config files make for a better experience, but if the same can be done with GUI-based launching, it probably wouldn't be worth too much hassle in my case since I don't have a 3D TV.

I like the idea of having USB ports for the controllers rather than integrated sockets. I think the cord length would be prohibitive. Luckily, I have one of your adapters and I know some folks on here have hardwired USB cords onto their VB controllers, so I personally think that is the best USB poarts are the best option. And some folks could probably even get by with other more common USB adapters available for SNES controllers or Wii Classic controllers, for example, since many of the games don't require the RHS dpad. It might be useful to have at least 2 USB ports intended for input devices so the second one can be another input device that could be used for emulator functions like save state save/load, game reset, etc.

Anyway, those are my initial thoughts, but I'll be quite interested in how this develops!
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#19
Re: VB mini Raspberry Pi
Posted on: 2018/9/19 17:38
Nintendoid!
Joined 2014/5/16
USA
146 Posts
Long Time User (5 Years)
One more cool feature would be Bluetooth, I think. That would open up the Wii U Pro, Switch controllers, and 8bitdo products as controller options that lots of people already have, among others.
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#20
Re: VB mini Raspberry Pi
Posted on: 2018/9/19 20:17
PVB Elite
Joined 2014/6/4
USA
587 Posts
Long Time User (5 Years)20+ Game Ratings
Great idea and amazing execution so far, Kevin!
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