Question by konstantin_lozev · Nov 03, 2015 at 05:41 PM · user generated content transparent diffuse

UI (?) transparency-based animation

I had seen a video on youtube some time ago that it is possible to animate a UI element (image?) based on the shade of grey that the part of the element is colored in. It had an example with 3 squares - light grey, grey and black. By manipulating a threshold it was possible to make them appear one by one on the camera. I cannot find that video and I have no idea how to implement it. I know how to make the white alpha transparent so that the grey aquares are semi transparent, but what I want to achieve is an animation-like effect. Help!

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meat5000 ♦ · Nov 03, 2015 at 02:13 AM 0

This?

http://docs.unity3d.com/460/Documentation/ScriptReference/UI.Image-eventAlphaThreshold.html

konstantin_lozev · Nov 03, 2015 at 09:51 AM 0

@meat5000 Thanks, I see this might be the correct reference, but the description seems a bit ambiguous to me without an example, I remember it was explained quite well in that video that I saw some time ago...

UI (?) transparency-based animation

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