[TIP] Having your invisible virtual head to cast a shadow
Sometimes you don't want to show your virtual head to make things easier, here's a simple tip (a simple shader) to have a dynamic shadow even if it's not mesh rendered :
http://answers.unity3d.com/questions/269292/having-an-invisible-object-that-casts-shadows.html
tested and approved, thx manutoo :)

http://answers.unity3d.com/questions/269292/having-an-invisible-object-that-casts-shadows.html
tested and approved, thx manutoo :)
