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Is there a bug of "glass" material in UE4.12 ?

alt text

alt text

The first image is captured in UE4.10.3

The second image is captured in UE4.12.0 and UE4.12.5

I have found the reson is: "glass" material do not support LERP

The question would be appear if i set OPACITY with LERP to link two constants

Otherwise it would be nice if i set OPACITY with one constant only

But it is all OK in UE4.10

Product Version: UE 4.12
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asked Jul 22 '16 at 04:00 AM in Rendering

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ytianlong
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avatar image ytianlong Jul 28 '16 at 04:17 AM

Thanks for you reply

And i have made a glass material in UE4.12.5 today. It looks nice alt text

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Hi Ytianlong,

There are two issues with translucency in 4.12. One of those was resolved and the other is still open, which involves Skylight affecting translucent materials even though it should be blocked by other geometry, like your ceiling in your scene.

That one is still open in 4.12 but has already been resolved in 4.13.

-Tim

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answered Jul 26 '16 at 12:15 PM

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Tim Hobson ♦♦ STAFF
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