Away3D Forum Problem with Facehelper

80prozent, Sr. Member
Posted: 19 August 2012 07:35 PM Total Posts: 430

hi

i am trying to split faces using the FaceHelper.as.

when i try to use FaceHelper.triFaces or FaceHelper.quaterFaces on a simple primitive (plane) everything works fine, but if i try to use it on a imported mesh, it gives this error:


[Fault] exception, information=RangeError: Error #3669: Bad input size.

you can easily reproduce this error by adding this line to the “Intermediate_Head.as”, right after the headModel has been loadet:


FaceHelper.quarterFace(headModel, 0, 0)

i think the vertexTangentData and vertexNormalData are not changed by the Facehelper functions.

i am using a 2-week old zip-download of the master-branch

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sorry…i hope my actionscript is better than my english…

80prozent, Sr. Member
Posted: 19 August 2012 08:09 PM Total Posts: 430 [ # 1 ]

Hi again

i solved the issue by changing the “updateSubGeometryData” inside of “FaceHelper.as” into this:

private static function updateSubGeometryData(subGeometry:SubGeometry, vertices:Vector.<Number>, indices:Vector.<uint>, uvs:Vector.<Number>, normals:Vector.<Number> = null, tangents:Vector.<Number> = null):void
  {
   subGeometry.updateVertexData(vertices);
   subGeometry.updateIndexData(indices);
   subGeometry.updateUVData(uvs);
   if (normals) {
    if (normals.length != vertices.length) {
     subGeometry.autoDeriveVertexNormals = true;
    }
    if (normals.length == vertices.length) {
     subGeometry.updateVertexNormalData(normals);
    }
    
   }
   if (tangents) {
    if (tangents.length != vertices.length) {
     subGeometry.autoDeriveVertexTangents = true;
    }
    if (tangents.length == vertices.length) {
     subGeometry.updateVertexTangentData(tangents);
    }
    
    
   }
  } 

i know that, this is only a quick fix, since all the normals- and tangentsdata gets lost.

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sorry…i hope my actionscript is better than my english…

Richard Olsson, Administrator
Posted: 22 August 2012 07:03 AM Total Posts: 1192 [ # 2 ]

Please file a bug report about this if you haven’t already.

80prozent, Sr. Member
Posted: 22 August 2012 08:28 PM Total Posts: 430 [ # 3 ]

i allready opened a new issue on git about this. you taged it as bug yourself.

https://github.com/away3d/away3d-core-fp11/issues/393

i am not very familiar with github, so please tell me if there is another bugreporting system i am not aware of.

anyway: thanks for all the hard work you are doing for this engine and community. answering all this threads must be almost a full-time job….

Signature

sorry…i hope my actionscript is better than my english…

Richard Olsson, Administrator
Posted: 23 August 2012 09:49 AM Total Posts: 1192 [ # 4 ]

That’s why I said “if you haven’t already”. I remembered reading something like this in the bug tracker, but I wasn’t sure if it was yours. Thanks for reporting the issue. We’ll look into it when we get a chance!

Problem with Facehelper Software: Away3D 4.x

80prozent, Sr. Member Posted: 19 August 2012 07:35 PM Total Posts: 430 hi i am trying to split faces using the FaceHelper.as. when i try to use FaceHelper.triFaces or FaceHelper.quaterFaces on a simple primitive (plane) everything works fine, but if i try to use it on a imported mesh, it gives this error: `[Fault] exception, information=RangeError: Error #3669: Bad input size.` you can easily reproduce this error by adding this line to the “Intermediate_Head.as”, right after the headModel has been loadet: `FaceHelper.quarterFace(headModel, 0, 0)` i think the vertexTangentData and vertexNormalData are not changed by the Facehelper functions. i am using a 2-week old zip-download of the master-branch Signature sorry…i hope my actionscript is better than my english…
80prozent, Sr. Member Posted: 19 August 2012 08:09 PM Total Posts: 430 [ # 1 ] Hi again i solved the issue by changing the “updateSubGeometryData” inside of “FaceHelper.as” into this: private static function updateSubGeometryData(subGeometry:SubGeometry, vertices:Vector.<Number>, indices:Vector.<uint>, uvs:Vector.<Number>, normals:Vector.<Number> = null, tangents:Vector.<Number> = null):void { subGeometry.updateVertexData(vertices); subGeometry.updateIndexData(indices); subGeometry.updateUVData(uvs); if (normals) { if (normals.length != vertices.length) { subGeometry.autoDeriveVertexNormals = true; } if (normals.length == vertices.length) { subGeometry.updateVertexNormalData(normals); } } if (tangents) { if (tangents.length != vertices.length) { subGeometry.autoDeriveVertexTangents = true; } if (tangents.length == vertices.length) { subGeometry.updateVertexTangentData(tangents); } } } i know that, this is only a quick fix, since all the normals- and tangentsdata gets lost. Signature sorry…i hope my actionscript is better than my english…
Richard Olsson, Administrator Posted: 22 August 2012 07:03 AM Total Posts: 1192 [ # 2 ] Please file a bug report about this if you haven’t already.
80prozent, Sr. Member Posted: 22 August 2012 08:28 PM Total Posts: 430 [ # 3 ] i allready opened a new issue on git about this. you taged it as bug yourself. https://github.com/away3d/away3d-core-fp11/issues/393 i am not very familiar with github, so please tell me if there is another bugreporting system i am not aware of. anyway: thanks for all the hard work you are doing for this engine and community. answering all this threads must be almost a full-time job…. Signature sorry…i hope my actionscript is better than my english…
Richard Olsson, Administrator Posted: 23 August 2012 09:49 AM Total Posts: 1192 [ # 4 ] That’s why I said “if you haven’t already”. I remembered reading something like this in the bug tracker, but I wasn’t sure if it was yours. Thanks for reporting the issue. We’ll look into it when we get a chance!

Problem with Facehelper

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