Thank you, Corion!

I've found that the main trick is to call glutPostRedisplay too, e.g. instead of glutMainLoop 

my $refresh_world = sub {
    glutMainLoopEvent;
    glutPostRedisplay;
};
my $t; $t = AE::timer 0, 0.01, sub {
    $refresh_world->();
};
$refresh_world->();
AE::cv->recv;

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In reply to Re^2: OpenGL and AnyEvent by basiliscos
in thread OpenGL and AnyEvent by basiliscos

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