admin June 2008

admin@common-lisp.net

20 participants
44 discussions

[admin] I want to open a project on lexer
by highfly joe 03 Jun '08

03 Jun '08

Hi, I just added a start condition feature to cl-lexer. but the email address of original author can not be reached. And there is no mail list about this package. So Could I open a new project to this one? Regards, Haiwei

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[admin] Trac is down
by Vyacheslav Akhmechet 02 Jun '08

02 Jun '08

trac(a)common-lisp.net is down with a 502 proxy error. Thanks!

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[admin] New project: cells-ode
by Peter Hildebrandt 02 Jun '08

02 Jun '08

Dear admin, I'd like to create a new project at common-lisp.net. I am developing cells-ode, a clos abstraction layer for Thomas Atkins' cl-ode [1] using Ken Tilton's cells [2]. The license is LLGPL [3]. The purpose is to treat ODE objects just like clos objects with cells' data flow extensions. I wrote pretty much the entire code myself, thanks go to Ken Tilton for invaluable advice and debugging. My clnet user name is phildebrandt. I suggest to make Ken Tilton (cc'd) a project member. cells-ode has been tested on SBCL/Linux (by me) and ACL/Windows (by Ken Tilton). It does not use implementation specific extensions, so it should be straightforward to port to other implementations. The dependencies are cl-ode (asdf-install, 0.8), cells (CVS, 3.0), and cffi (asdf-install, 0.9.2 or darcs). cells-ode is a fairly complete mapping of ODE 0.8, lacking only a few advanced features. One of the highlights is fully transparent support for collision detection. Among the extensions planned for the near future are primitives for composite objects and a DSL for scene descriptions. Currently the source can be found in the cells CVS on common-lisp.net: http://common-lisp.net/cgi-bin/viewcvs.cgi/cells-ode/?root=cells In the following I will give a few usage examples taken from test-c-ode.lisp [4]. For example, to create a sphere object with a corresponding mass, you might say: (make-instance 'body :md-name :body1 :position (c-in #(0 -1 1)) :mass (c-in (make-instance 'sphere-mass :radius (c-in .5)))) ;; Instead of about half a dozen ODE calls via cl-ode Attaching a joint to body1 and body2 is straightforward, too: (make-instance 'hinge-joint :md-name :joint :axis #(0 1 0) :anchor #(10 1.2 .5)) (attach (obj :joint) (obj :body1) (obj :body2)) ;; (obj :name) references objects by their md-name. Thanks in advance, Peter ---------- [1] http://common-lisp.net/project/cl-ode/ [2] http://common-lisp.net/project/cells/ [3] http://opensource.franz.com/preamble.html [4] http://common-lisp.net/cgi-bin/viewcvs.cgi/cells-ode/test-c-ode.lisp?rev=1.…

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[admin] Trac Problems?
by Bob Hutchison 02 Jun '08

02 Jun '08

Hi, Is something not-good happening with trac? I'm getting 502 Proxy Errors. I can't imagine I'm the first to ask, so I apologise, but maybe I am. Who knows? Cheers, Bob ---- Bob Hutchison -- tumblelog at http://www.recursive.ca/so/ Recursive Design Inc. -- weblog at http://www.recursive.ca/hutch http://www.recursive.ca/ -- works on http://www.raconteur.info/cms-for-static-content/home/

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admin June 2008