Special effects

How can i make a explosion effect with ogl??

Solder random leads together on the back of your video card and plug the two wires of a 120VAC line into the VGA port.

That got me laughing!

As to the question - just do a search on google. You should come up with hundreds of helpful links.

you might want to look at particle systems for that. check nehe.gamedev.net for a tutorial on simple particle system. and again particle systems may be slow so…