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problem with 2D co-ordinates


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Hi everyone,



Just signed up to the forum :)

I have a problem which I'm hoping someone could possibly help me out with please. I have created an app using HTML5 Canvas, which basically allows the user to click on an image to place markers exactly where the mouse pointer is. This works fine on desktop computers but when trying it on a mobile device, the markers seem a bit mis-aligned, as if the co-ordinates being calculated have changed.


If anyone could help me out here, I'd really appreciate it.


Many thanks!





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