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kennux / TressFXUnity

TressFX Portation for Unity3D
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ArgumentException Error when importing obj #2

Closed toto5100 closed 8 years ago

toto5100 commented 8 years ago

Hello, When i try to import an obj file to TressFX (as described here) i have this error, and the hair file created is empty :

ArgumentException: D:/Projets/TressFXUnity-master/Assets/ is a directory System.IO.File.Copy (System.String sourceFileName, System.String destFileName, Boolean overwrite) (at /Users/builduser/buildslave/mono-runtime-and-classlibs/build/mcs/class/corlib/System.IO/File.cs:109) System.IO.File.Copy (System.String sourceFileName, System.String destFileName) (at /Users/builduser/buildslave/mono-runtime-and-classlibs/build/mcs/class/corlib/System.IO/File.cs:86) TressFXLib.Hair.PrepareSimulationParamatersAssetConverter (Int32 followHairs, Single maxRadiusAround, System.String assetConverterExePath) (at Assets/TressFX/TressFXLib/Hair.cs:463) TressFX.TressFXHairEditorExt.CreateAssetOBJ () (at Assets/TressFX/EditorExtension/Editor/TressFXHairEditorExt.cs:212)

NullReferenceException: Object reference not set to an instance of an object TressFX.TressFXHairEditor.OnInspectorGUI () (at Assets/TressFX/EditorExtension/Editor/TressFXHairEditor.cs:27) UnityEditor.InspectorWindow.DrawEditor (UnityEditor.Editor editor, Int32 editorIndex, Boolean rebuildOptimizedGUIBlock, System.Boolean& showImportedObjectBarNext, UnityEngine.Rect& importedObjectBarRect) (at C:/buildslave/unity/build/Editor/Mono/Inspector/InspectorWindow.cs:1231) UnityEditor.DockArea:OnGUI()

I tried to run Unity in Administrator mode, but with the same result.

kennux commented 8 years ago

Can you please attach the obj file? This looks like it got the wrong format. Which tool did you use to export it?

toto5100 commented 8 years ago

I tried Cinema 4D to export and also Blender, but even with your hair obj example included, i have the same message. Cube_Hair 1.zip

kennux commented 8 years ago

The file looks okay, did you move the TressFX folder? It looks like tressfx cannot find the assetconverter.exe (Which is located in Assets/TressFX/assetconverter.exe, https://github.com/kennux/TressFXUnity/blob/master/Assets/TressFX/assetconverter.exe).

You can edit the path where tressfx should look for it: Edit -> Preferences -> TressFX -> Asset converter path

Check if this path is correct.

toto5100 commented 8 years ago

Now it works with the example file, but not with files created with C4D. What type of object should be the hair in the obj (mesh, spline...) ?

kennux commented 8 years ago

It must be spline data, the importer looks for a sequence of line segments.

kennux commented 8 years ago

Is the issue solved?

toto5100 commented 8 years ago

Sorry for the late response. Yes, it's pretty much solved, as i found that C4D hair, even when converted does not work with TressFX, the only way is using Blender.

kennux commented 8 years ago

Alright, more data importers will follow in the future.