Assimp Skeleton Bind Pose

Saad Manzur · 2014-03-25T18:25:21

I am trying to render my skeleton's bind pose in DirectX. But when I follow this code I end up having a distorted mesh. void Bones::UpdateNode(const aiNode *pNode, const XMFLOAT4X4 parentMatrix) //Bone Index, Parent Matrix (Transformation) { const char *name = pNode->mName.C_Str(); XMFLOAT4X4 temp; AItoXM(pNode->mTransformation, temp); XMMATRIX NodeTransformation = XMLoadFloat4x4(&temp); XMMATRIX finalTransform = NodeTransformation * XMLoadFloat4x4(&parentMatrix); if (mBoneInfoMap.find(name) != mBoneInfoMap.end()) { int boneID = mBoneInfoMap[name]; XMMATRIX temp2 = XMLoadFloat4x4(&m_GlobalInverseTransform) * finalTransform * XMLoadFloat4x4(&mBoneInfo[boneID].toParent); XMStoreFloat4x4(&mBoneInfo[boneID].Transform, temp2); } XMFLOAT4X4 temp3; XMStoreFloat4x4(&temp3, finalTransform); for (int i = 0; i < pNode->mNumChildren; i++) { UpdateNode(pNode->mChildren[i], temp3); } } What is the offset matrix provided by Assimp. And is the transformation matrix really the transformation with reference to it's parent. Is it necessary to calculate all the way from the root node of the scene ?