QuaziGNRLnose, where is examples of touch triggers?
In the examples.zip you can download on the first page, there is a viewport example which uses the mouses position + a view-port condition to change the color of mouse overed objects. You could modify this to use a touch position instead of a mouse, and only fire when "on touch" or something similar.
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just have a bit of touching up, but this is a busy week for me so im not sure it'll be released this week.