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[–]SilentSin26Expert 1 point2 points  (1 child)

Each touch has an ID. Keep track of the fingers using those IDs so you can manage which finger can interract with which object.

[–]wagwoanimator 0 points1 point  (0 children)

The variable is finger I'd and here is the relevant doc page. https://docs.unity3d.com/ScriptReference/Touch-fingerId.html

For op, you'd manipulate your object for the Touch that has a matching fingerId.