Linear Camera Zoom To Spherical Zoom

[anonymous_user_30d87a84]

Hello Unreal Engine communauty,

I’m new on Unreal Engine and I would like to make a spherical zoom. Image below show what my camera behaviour and the behaviour that I need :

I followed a tutorial to make a camera zoom smooth with clamped value, I followed this tutorial :
http://unrealpossibilities.blogspot.fr/2014/12/unreal-engine-4-tutorial-smooth-zoom.html

Here my blueprints :

Thanks you for your time