Merrill, Jason wrote:
A simple solution could be to create a sprite to draw the line onto, and
add a listener to the sprite to see if it was clicked on.
Yes, but then you still have the problem that a two pixel line is not a
great hit area for drawn line. That's why I asked the question
to improve the experience by calculating the hit area myself. I can
basically check if the click is within the given radius of the line.
If so, recognize the click as clicked on the line.
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