komyali Posted October 10, 2014 Share Posted October 10, 2014 (edited) I have two windows same tickness different shape, same material. One is creating problem, when polygons are flipped normal (bright red) they are rendered dark like they are flipped on wrong side. when I flip it it is ok... Can I leave geometry flipped? when I convert this window to mesh, and then on normal window(editable poly) attach it again, polygons came to normal and everything is ok, but it is big proces for this my building. Edited October 10, 2014 by komyali Link to comment Share on other sites More sharing options...
Corey Beaulieu Posted October 11, 2014 Share Posted October 11, 2014 Are all of your verts welded appropriately? Link to comment Share on other sites More sharing options...
komyali Posted October 11, 2014 Author Share Posted October 11, 2014 Yep they are, on the begining I use mirror and after that flipped geometry to be normal, but on the end at render testing I saw this problem... Link to comment Share on other sites More sharing options...
Chris MacDonald Posted October 12, 2014 Share Posted October 12, 2014 It renders differently because the normals are flipped. The render engine needs to know whether it is tracing in to a material, or out of a material. This is why it's so important to make sure all your normals are facing outwards. I don't understand why you would want flipped normals on glass, could you elaborate? Link to comment Share on other sites More sharing options...
komyali Posted October 12, 2014 Author Share Posted October 12, 2014 It renders differently because the normals are flipped. The render engine needs to know whether it is tracing in to a material, or out of a material. This is why it's so important to make sure all your normals are facing outwards. I don't understand why you would want flipped normals on glass, could you elaborate? You didnt understand, look pictures again, normals are ok they are facing outwards but they are rendering like they are inwards... so I flipped inwards and renrer is ok... is it going to create me later problem on animation I dont know... Link to comment Share on other sites More sharing options...
martinhoura Posted October 13, 2014 Share Posted October 13, 2014 I would definitely reset xform on all of them and do a edit mesh->edit poly->edit mesh convert combo (this usually does the trick when I have issues with normals) Link to comment Share on other sites More sharing options...
komyali Posted October 13, 2014 Author Share Posted October 13, 2014 I would definitely reset xform on all of them and do a edit mesh->edit poly->edit mesh convert combo (this usually does the trick when I have issues with normals) Tried, not working, I lost two hours last night and array again all new 4000 glasses... Now there is no problem, but definetly I will not use mirror never again till Autodesk doesnt solve this problem... Link to comment Share on other sites More sharing options...
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