Lines, Circles and Text

[bounceWiggleBounce]

My question is extremely simple but has three parts to it. Any help would be appreciated.

• How do I draw a circle with a translucent fill?
• How do I draw a line from (a,b) to (c,d)?
• How do I print text on the screen?

[Matzon]

you might want to read The Red Book:
http://www.opengl.org/documentation/red_book/