inverse kinematic, i dont know add the Pole, please how to do

hi, i’ve founded a easy source code to read and modify for me and i’ll like add the Pole direction but i’m lost. I don’t understand the idea, and how to code it.

How to do ?

source: unity_simple_ik/IK.cs at master · ebicochineal/unity_simple_ik · GitHub

thank’s a lot

How to report problems productively in the Unity3D forums:

http://plbm.com/?p=220