Drawing Circles using PostPlayerDraw?

Well, I want to make a player have a circle around him when something happens.

My addon allows players to have abilities, and one of the abilities hurts people in a circular radius. I just want to be able to make that circle see able so people don’t just die.
Hoping that I can use PostPlayerDraw to do this, just like with Overhead text, but instead at the feet?
Radius is 100.

Please help :smiley: