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ofxFlowTools use external cam

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@bloomboy wrote:

Slowly learning my way around OpenFrameworks.
& trying to do some responsive visuals using a camera and Moostriks Addon ofxFlowTools —

https://github.com/moostrik/ofxFlowTools/tree/master/example

Come across one problem —
How can i adapt the FlowTools example so that it detects an external usb camera rather than the built in mbp camera?
Would I need to include another Addon? If so which one works best?

Thanks
JB

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