Rendering 2D sprites in a 3D world?

Question

How do I render 2D sprites in OpenGL given that I have a png of the sprite? See images as an example of the effect I\'d like to achieve. Also I would like to overlay weapo

Answer 1

Take a look at OpenGL Point Sprites:

http://www.informit.com/articles/article.aspx?p=770639&seqNum=7

Especially useful for partical systems but may do the trick for your purposes.