Virtual control stick, how to?

Target Platforms Mobile
1

Hi,

I try to implement a virtual control stick like it is in “Zombie infection” ( http://theappera.com/wp-content/uploads/2010/03/zombie-infection-gdc-1.png ; bottom left)

But I don’t know how to start. Can someone give me hint?

2

The Penelope tutorial’s got everything you need.

http://unity3d.com/support/resources/tutorials/penelope

3

Thats nice, thanks!