diff options
Diffstat (limited to 'source/gameengine/Converter/BL_BlenderDataConversion.cpp')
| -rw-r--r-- | source/gameengine/Converter/BL_BlenderDataConversion.cpp | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/source/gameengine/Converter/BL_BlenderDataConversion.cpp b/source/gameengine/Converter/BL_BlenderDataConversion.cpp index f44318120e8..a6337403cd1 100644 --- a/source/gameengine/Converter/BL_BlenderDataConversion.cpp +++ b/source/gameengine/Converter/BL_BlenderDataConversion.cpp @@ -1939,7 +1939,17 @@ void BL_ConvertBlenderObjects(struct Main* maggie, float* fl = (float*) blenderobject->parentinv; MT_Transform parinvtrans(fl); parentinversenode->SetLocalPosition(parinvtrans.getOrigin()); - parentinversenode->SetLocalOrientation(parinvtrans.getBasis()); + // problem here: the parent inverse transform combines scaling and rotation + // in the basis but the scenegraph needs separate rotation and scaling. + // This is not important for OpenGL (it uses 4x4 matrix) but it is important + // for the physic engine that needs a separate scaling + //parentinversenode->SetLocalOrientation(parinvtrans.getBasis()); + + // Extract the rotation and the scaling from the basis + MT_Matrix3x3 inverseOrientation(parinvtrans.getRotation()); + parentinversenode->SetLocalOrientation(inverseOrientation); + MT_Matrix3x3 scale(inverseOrientation.transposed()*parinvtrans.getBasis()); + parentinversenode->SetLocalScale(MT_Vector3(scale[0][0], scale[1][1], scale[2][2])); parentinversenode->AddChild(gameobj->GetSGNode()); } |