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Question by SpiderJones · Sep 29, 2017 at 08:36 PM · uirecttransformscreenspace

UI element RectTransform WorldToScreenPoint issue

How do I get the screen point of a RectTransform?

I've tried this ->

camera.WorldToScreenPoint(transform.position);

the "transform" belongs to the object that has a RectTransform. The supplied point is always a bit off, the offset amount depends on the screen size, the larger the screen size, the more of an offset there is. The canvas is set to World Space.

Thanks for any help.

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Answer by Eba1337 · Sep 29, 2017 at 08:47 PM

Have you tried GetComponent RectTransform? Many position options!

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Answer by SpiderJones · Sep 29, 2017 at 09:42 PM

Thank you for your reply. I am using this ->

 camera.WorldToScreenPoint(gameObject.GetComponent<RectTransform>().position);

And still the screen position is off.

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avatar image Eba1337 · Sep 29, 2017 at 10:07 PM 0
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There was something like GetComponent RectTransform.anchoredPosition which returned the position on screen no need to use the WorldToScreenPoint, also If it's attached to canvas same.localPosition returns the position with the parent position calculated but I don't know if any of these solves your problem?

avatar image SpiderJones Eba1337 · Sep 29, 2017 at 10:21 PM 0
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GetComponent RectTransform.anchoredPosition is not returning a screen position, it is returning a world space location, where 0 is in the middle of screen.

This also is not working ->

 camera.WorldToScreenPoint(gameObject.GetComponent<RectTransform>().anchoredPosition);
avatar image Eba1337 SpiderJones · Sep 29, 2017 at 10:29 PM 0
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Are you sure middle of the canvas is not zero? I'm not sure, not on a pc right now.

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