[GEM-dev] automated drawing in gem?

[Frank Barknecht]

Hallo,
IOhannes m zmoelnig hat gesagt: // IOhannes m zmoelnig wrote:

> get lua
> 
> get pdlua, compile it, read the examples
> 
> get LuaGL, compile it (read 
> http://sourceforge.net/tracker/index.php?func=detail&aid=1724422&group_id=85185&atid=575357 
> for instructions)
> 
> create a new lua-pdobject like this:
> 
> """
> require('opengl')
> 
> local luagl = pd.Class:new():register("luagl")
> function luagl:initialize(name, atoms)
>     self.inlets = 1
>     return true
> end
> function luagl:in_0(sel, atoms)
>     if sel == "gem_state" then
>        luagl:render()
>     end
> end
> function luagl:render()
>     gl.Begin("LINES")
>     gl.Color(1, 1, 0)
>     gl.Vertex(0, 0)
>     gl.Vertex(1, 1)
>     gl.End()
> end
> """
> 
> load it.
> have fun.

This works?! Amazing. I just recently jumped onto the Lua train a bit. I see that there are several GL-bindings for Lua. Is luagl the one to use?

Ciao
-- 
 Frank Barknecht                 _ ______footils.org_ __goto10.org__