[snip]
Now I thought I would put all the variables and functions into a class
and use that in the main. Here is where I am getting stuck on the use
of
boost::function. I changed the code to look something like the
following:
class MyMain {
int a;
float b;
void display()
{
... display code calls ...
}
}
int main (int argc, char **argv)
{
MyMain m_ref;
boost::function disp_func = boost::bind (
&MyMain::display, &m_ref );
glutDisplayFunc ( disp_func );
}
[snip]
Maybe you could leave the display function as it was before, have OpenGL
call that function, and then have Display call disp_func().
Something like this (though I haven't actually tried it):
typedef boost::function DisplayFuncType;
DisplayFuncType CurrentDisplayObject;
class MyMain {
int a;
float b;
void display()
{
... display code calls ...
}
}
void display ()
{
if(!CurrentDisplayObject.empty())
CurrentDisplayObject();
}
int main (int argc, char **argv)
{
MyMain m_ref;
CurrentDisplayObject = boost::bind ( &MyMain::display,
&m_ref );
glutDisplayFunc (display);
}
Let me know if that works out for you! I'd be interested to know. I
think that's a good idea, BTW.
Daniel
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