Comments on: Playing with Sheeple-based GUI atop CL-OpenGL http://nklein.com/2009/11/playing-with-sheeple-based-gui-atop-cl-opengl/ software development and consulting Tue, 02 Mar 2010 01:40:40 +0000 http://wordpress.org/?v=2.9.1 hourly 1 By: sykopomp http://nklein.com/2009/11/playing-with-sheeple-based-gui-atop-cl-opengl/comment-page-1/#comment-463 sykopomp Fri, 20 Nov 2009 07:56:05 +0000 http://nklein.com/?p=1007#comment-463 You might want to look at what I've been doing with <a href="http://github.com/sykopomp/until-it-dies" rel="nofollow">Until It Dies</a>. It's meant to be more of a 2d game engine, but I wrap a bunch of stuff to make this kind of OpenGL drawing relatively simple (at least as far as I know how to). For fonts, I'm just hooking up to ftgl, which made the process pretty painless, although I'm not sure how great a decision that is in the long run... You can check out a (right now, extremely bloated) example of how it works <a href="http://github.com/sykopomp/until-it-dies/blob/master/demo/testgame.lisp" rel="nofollow">here</a>. Anyways, anything having to do with easy-to-use GUIs in lisp sounds like a great idea. I've been tempted now and then to try and write something like <a href="http://www.mike-austin.com/inertia/" rel="nofollow">Inertia</a>, too, which would be quite nice for development in general... You might want to look at what I’ve been doing with Until It Dies. It’s meant to be more of a 2d game engine, but I wrap a bunch of stuff to make this kind of OpenGL drawing relatively simple (at least as far as I know how to). For fonts, I’m just hooking up to ftgl, which made the process pretty painless, although I’m not sure how great a decision that is in the long run…

You can check out a (right now, extremely bloated) example of how it works here.

Anyways, anything having to do with easy-to-use GUIs in lisp sounds like a great idea. I’ve been tempted now and then to try and write something like Inertia, too, which would be quite nice for development in general…

]]> By: pat http://nklein.com/2009/11/playing-with-sheeple-based-gui-atop-cl-opengl/comment-page-1/#comment-462 pat Thu, 19 Nov 2009 17:13:49 +0000 http://nklein.com/?p=1007#comment-462 I probably should have added this somewhere before the call to <q>woolly:main-loop</q> as an example of how to catch when the button was pressed. [cc lang="lisp" first_line="25"] (sheeple:defreply woolly:mouseup :around ((bb but) mouse-button xx yy) (when (sheeple:call-next-reply) (format t "BUTTON CLICKED!~%") t)) [/cc] I will probably make a separate Sheeple message for <q>mouseclicked</q> so this could be a one-line method instead of a funky <q>:around</q> thing. And, before release, I promise to make those names more lispy: e.g. <q>mouse-up</q> and <q>mouse-clicked</q>. I probably should have added this somewhere before the call to woolly:main-loop as an example of how to catch when the button was pressed.

(sheeple:defreply woolly:mouseup :around ((bb but) mouse-button xx yy)
   (when (sheeple:call-next-reply)
     (format t "BUTTON CLICKED!~%")
     t))

I will probably make a separate Sheeple message for mouseclicked so this could be a one-line method instead of a funky :around thing.

And, before release, I promise to make those names more lispy: e.g. mouse-up and mouse-clicked.

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