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How to use the mouseDragged event?

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@logan wrote:

Very very new to coding here, just a little bit confused on how to use the ofApp::mouseDragged() function. I want to make something that draws a bunch of circles along the users dragged path, similar to a paintbrush, but I don't know how to use the dragged function at all. Is it like an if statement? is it similar to update? Any help is greatly appreciated

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