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How do you implement touch pinch events in Blueprint?

I was unable to find related answers, how would you implement multiple fingers on a touch screen, specifically for registering a pinch gesture on mobile, using blueprints?

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asked May 18 '14 at 11:43 PM in Blueprint Scripting

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avatar image mikesdav May 24 '14 at 10:17 PM

A question I asked a while ago but nobody ever replied


I imagine you can do it through logic in blueprints but I was never able to get it to completly work. I might eventually create it in c++ but blueprints should be able to do this easier.

avatar image kingkeoua May 24 '14 at 11:05 PM

Yeah I'm trying to solve this using blueprints. I do not fully understand Finger Index yet but if each finger touching is assigned to an individual Finger Index, this becomes very simple. I should probably test this theory since there doesn't seem to be any information on multiple touch inputs.

avatar image mikesdav May 25 '14 at 01:40 PM

Yea I was able to get things to sorta work through some complicated blueprints but it is so buggy. You can do it with blueprints, there are several nodes you can use to interface with touchscreen.(I used GetInputTouchState) then I found out the distance using the distance formula between the location of two touches , multiplied it accordingly, inverted it, then the rest is broken but I added it to the current z axis of the camera or pawn. I will try to post a complete solution when I get somthing that works correctly.

avatar image shimozurdo Dec 01 '15 at 02:40 PM

Hello, could you solve this? :(

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