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transforms using joints

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raveenajain 2019-02-28 11:35:29 -08:00
parent 72f198fe00
commit c1516df58d
1 changed files with 20 additions and 23 deletions
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43
libraries/fbx/src/GLTFSerializer.cpp
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@ -763,17 +763,23 @@ bool GLTFSerializer::buildGeometry(HFMModel& hfmModel, const QUrl& url) {
nodecount++;
}
//Build default joints
hfmModel.joints.resize(1);
hfmModel.joints[0].parentIndex = -1;
hfmModel.joints[0].distanceToParent = 0;
hfmModel.joints[0].translation = glm::vec3(0, 0, 0);
hfmModel.joints[0].rotationMin = glm::vec3(0, 0, 0);
hfmModel.joints[0].rotationMax = glm::vec3(0, 0, 0);
hfmModel.joints[0].name = "OBJ";
hfmModel.joints[0].isSkeletonJoint = true;
hfmModel.jointIndices["x"] = 1;
HFMJoint joint;
joint.isSkeletonJoint = true;
joint.bindTransformFoundInCluster = false;
joint.distanceToParent = 0;
joint.parentIndex = -1;
hfmModel.joints.resize(_file.nodes.size());
hfmModel.jointIndices["x"] = _file.nodes.size();
int jointInd = 0;
for (auto& node : _file.nodes) {
joint.preTransform = glm::mat4(1);
for (int i = 0; i < node.transforms.size(); i++) {
joint.preTransform = node.transforms[i] * joint.preTransform;
}
joint.name = node.name;
hfmModel.joints[jointInd] = joint;
jointInd++;
}
//Build materials
QVector<QString> materialIDs;
@ -804,7 +810,7 @@ bool GLTFSerializer::buildGeometry(HFMModel& hfmModel, const QUrl& url) {
hfmModel.meshes.append(HFMMesh());
HFMMesh& mesh = hfmModel.meshes[hfmModel.meshes.size() - 1];
HFMCluster cluster;
cluster.jointIndex = 0;
cluster.jointIndex = nodecount;
cluster.inverseBindMatrix = glm::mat4(1, 0, 0, 0,
0, 1, 0, 0,
0, 0, 1, 0,
@ -907,7 +913,7 @@ bool GLTFSerializer::buildGeometry(HFMModel& hfmModel, const QUrl& url) {
int stride = (accessor.type == GLTFAccessorType::VEC4) ? 4 : 3;
for (int n = 0; n < tangents.size() - 3; n += stride) {
float tanW = stride == 4 ? tangents[n + 3] : 1;
mesh.tangents.push_back(glm::vec3(tanW * tangents[n], tangents[n + 1], tangents[n + 2]));
mesh.tangents.push_back(glm::vec3(tanW * tangents[n], tangents[n + 1], tanW * tangents[n + 2]));
}
} else if (key == "TEXCOORD_0") {
QVector<float> texcoords;
@ -957,16 +963,7 @@ bool GLTFSerializer::buildGeometry(HFMModel& hfmModel, const QUrl& url) {
mesh.meshExtents.addPoint(vertex);
hfmModel.meshExtents.addPoint(vertex);
}
// since mesh.modelTransform seems to not have any effect I apply the transformation the model
for (int h = 0; h < mesh.vertices.size(); h++) {
glm::vec4 ver = glm::vec4(mesh.vertices[h], 1);
if (node.transforms.size() > 0) {
ver = node.transforms[0] * ver; // for model dependency should multiply also by parents transforms?
mesh.vertices[h] = glm::vec3(ver[0], ver[1], ver[2]);
}
}
mesh.meshIndex = hfmModel.meshes.size();
}