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CollabRL bugfix — server up, and Linux version!

Posted by
Tuesday, December 22nd, 2009 12:20 am

I had some connectivity issues at first, but my router is cooperating now. I invite you to check out CollabRL: the multiplayer dungeon! The concept is simple — you can move around, and you can drop letters for others to see. Updates to the map happen in real time.

The map started out as a complete void, but slowly the explorers left goodies and now it is pretty interesting :)

You can grab the bugfix version (and the freshly compiled Linux version!) at the entry page.

A screenshot of the initial area:

More screenshots after the break.


LD16 CollabRL timelapse

Posted by
Saturday, December 19th, 2009 8:44 pm

Posted by
Wednesday, September 2nd, 2009 5:05 am

My timelapse: (not sure how to embed it!)


And the madness comes to an end

Posted by
Sunday, August 30th, 2009 9:24 pm

Well, couldn’t get a demo working in time.  This is my second LD and my first fail.  I’ll try to take away some of the sting by detailing what went wrong!

I wanted a procedurally generated cavern that you could climb using a grappling hook.  I wanted the grappling hook to be modeled as realistically as possible, so it would react like real rope and not stretch much, wrap around corners, etc.  Turns out this is a pretty tough thing to do 😉

I used the Bullet physics library because I’ve messed with it before, and also because I saw a demo for Softbody Rope which seemed exactly what I needed.  Unfortunately, like EVERYTHING in that library, the rope was very sparsely documented.  It took me almost 10 hours to get it working.  This was something I hoped to get done in an hour or so.


Finally, at the end of my first day I got the rope behaving somewhat how I wanted.  Good enough to proceed at least, so the second day I focused on cavern generation.  I wanted to be able to create interesting geometry out of a huge block, so I decided to implement the “marching tetrahedrons” algorithm for turning a volumetric dataset into polygons.  This took longer than anticipated due to a silly small mistake that was hard to track down.  It didn’t help that I was already bummed about losing so much time due to the rope issue 😛


So after finally getting the rope working and a basic cavern generated, I tried to add the cavern mesh to Bullet and get some collisions going.  Unfortunately this is when the deadline snuck up on me, and despite coding furiously I couldn’t finish in time.  I do think I’ll continue with this concept until I get something playable.

Despite the fail, I had a great time as usual.  I’m happy about finally implementing the marching tetrahedron algorithm, as I have a few project ideas that will definitely benefit from it.  And as much as I want to hate on Bullet right now, it is a fun library to play with.  Just not the most fun when there is no documentation and precious little time to comb through source files trying to figure out how something works.

I’ll end with some random shots of things going wrong :)




Posted by
Friday, August 28th, 2009 7:47 pm


Obligatory workspace photo

Posted by
Friday, August 28th, 2009 7:20 pm



Posted by
Friday, August 28th, 2009 6:17 pm

Getting in my pre-compo meal:



Posted by
Friday, August 28th, 2009 4:16 pm



Posted by
Friday, August 28th, 2009 10:26 am


We come

Posted by
Friday, August 28th, 2009 7:08 am



Posted by
Monday, April 20th, 2009 3:46 pm

Youtube is kinda being strange with it, but here it is anyway :)

sekhar final

Posted by
Sunday, April 19th, 2009 6:52 pm

This has been an enjoyable 48 hours!  Too tired to think of anything witty, so just enjoy the game :)

Download (windows executable and source)

How to run: extract archive and run ‘chandrasekhar.exe’

You happen upon a planet in the middle of gravitational collapse.  Collect data spheres to preserve this planet’s history and knowledge.

almost there

Posted by
Sunday, April 19th, 2009 3:51 pm

Time for some sound effects!

Also, a delicious cherry limeade:

final day

Posted by
Sunday, April 19th, 2009 8:01 am

ahhh, breakfast!

how do they always know?

Posted by
Saturday, April 18th, 2009 5:25 pm

i’m having cat troubles as well.

time to get real

Posted by
Saturday, April 18th, 2009 3:57 pm

this stuff was smuggled straight out of colombia! so goooood

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