4.5-Preview Graphics Glitches
Branch: Binary & Source/4.5
Build Version: 4.5.0-2316912+++depot+UE4-Releases+4.5
Detailed description of the issue: When you open/convert a 4.4 project to 4.5 (not sure if this is the cause), massive visual glitches can be seen. For example the landscape project has some blueprints that cause massive lags and vertex issues, which you'd normally only see when you are running out of video memory. These also happen when building from source.
Repo Steps: 100% occurs in all 4.4 projects converted to 4.5, did not happen a while ago (repo snapshot on 24.09. at 14:05 doesn't show this behaviour)
Attachments: None (happens on assets in the marketplace)
Thank you for catching and reporting this. :)
There is a change with that particular material coming in 4.5 that we've updated for the M_Bird material. There are some parameters that are being fed into the material instance that have been removed.
Once 4.5 is released and if you download the 4.5 version you will not see this issue. If you convert you'll need to go into the Material Instance and check the "Static Switch Parameter > Use Particle Direction > Check the box"
This will resolve the issue that was being created with the Bird Particle systems.
answered Oct 06 '14 at 07:56 PM
Tim Hobson ♦♦ STAFF
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