How to use

updateWorldVectors

method

in

com.jme3.animation.Skeleton

/**
 * Internal use only.
 */
@Override
protected void controlUpdate(float tpf) {
  if (skeleton != null) {
    skeleton.reset(); // reset skeleton to bind pose
  }
  TempVars vars = TempVars.get();
  for (int i = 0; i < channels.size(); i++) {
    channels.get(i).update(tpf, vars);
  }
  vars.release();
  if (skeleton != null) {
    skeleton.updateWorldVectors();
  }
}

@Override
public void simpleUpdate(float tpf){
  // Rotate around X axis
  Quaternion rotate = new Quaternion();
  rotate.fromAngleAxis(tpf, Vector3f.UNIT_X);
  // Combine rotation with previous
  rotation.multLocal(rotate);
  // Set new rotation into bone
  bone.setUserTransforms(Vector3f.ZERO, rotation, Vector3f.UNIT_XYZ);
  // After changing skeleton transforms, must update world data
  skeleton.updateWorldVectors();
}

float time = ((BoneTrack) track).getTimes()[frame];
track.setTime(time, 1, animControl, animChannel, vars);
skeleton.updateWorldVectors();

boolean isArmature = blenderContext.getMarkerValue(ObjectHelper.ARMATURE_NODE_MARKER, feature) != null;
if (isArmature) {
  blenderContext.getSkeleton(oma).updateWorldVectors();
  BoneContext targetBoneContext = blenderContext.getBoneByName(oma, subtargetName);
  Bone bone = targetBoneContext.getBone();

  skeleton.updateWorldVectors();
} else {
  switch (space) {

/**
 * Internal use only.
 */
@Override
protected void controlUpdate(float tpf) {
  if (skeleton != null) {
    skeleton.reset(); // reset skeleton to bind pose
  }
  TempVars vars = TempVars.get();
  for (int i = 0; i < channels.size(); i++) {
    channels.get(i).update(tpf, vars);
  }
  vars.release();
  if (skeleton != null) {
    skeleton.updateWorldVectors();
  }
}

/**
 * Internal use only.
 */
@Override
protected void controlUpdate(float tpf) {
  if (skeleton != null) {
    skeleton.reset(); // reset skeleton to bind pose
  }
  TempVars vars = TempVars.get();
  for (int i = 0; i < channels.size(); i++) {
    channels.get(i).update(tpf, vars);
  }
  vars.release();
  if (skeleton != null) {
    skeleton.updateWorldVectors();
  }
}

  applyPose(joints.get(i).getAsInt());
skeleton.updateWorldVectors();

/**
 * Creates a debugger with no length data. The wires will be a connection
 * between the bones' heads only. The points will show the bones' heads only
 * and no dotted line of inter bones connection will be visible.
 *
 * @param name     the name of the debugger's node
 * @param skeleton the skeleton that will be shown
 */
public SkeletonDebugger(String name, Skeleton skeleton, boolean guessBonesOrientation) {
  super(name);
  this.skeleton = skeleton;
  skeleton.reset();
  skeleton.updateWorldVectors();
  Map<Integer, Float> boneLengths = new HashMap<Integer, Float>();
  for (Bone bone : skeleton.getRoots()) {
    computeLength(bone, boneLengths, skeleton);
  }
  bones = new SkeletonBone(skeleton, boneLengths, guessBonesOrientation);
  this.attachChild(bones);
  interBoneWires = new SkeletonInterBoneWire(skeleton, boneLengths, guessBonesOrientation);
  Geometry g = new Geometry(name + "_interwires", interBoneWires);
  g.setBatchHint(BatchHint.Never);
  this.attachChild(g);
}

this.skeleton = skeleton;
this.skeleton.reset();
this.skeleton.updateWorldVectors();
this.guessBonesOrientation = guessBonesOrientation;

public void addPMDNode(PMDNode pmdNode) {
  Skeleton skeleton = pmdNode.getSkeleton();
  skeleton.updateWorldVectors();
  PMDModel pmdModel = pmdNode.getPmdModel();
  PMDRigidBody[] rigidBodyArray = new PMDRigidBody[pmdModel.getRigidBodyList().getRigidBodyArray().length];

newPMDNode.skeleton.updateWorldVectors();
newPMDNode.offsetMatrixbuffer = null;
newPMDNode.calcOffsetMatrices();

skeleton.updateWorldVectors();

pmdNode.getSkeleton().updateWorldVectors();
physicsControl.getWorld().resetRigidBodyPos();
physicsControl.getWorld().resetRigidBodyPos();

skeleton.updateWorldVectors();
skeleton.resetAndUpdate();
skeleton.computeSkinningMatrices();

pmdNode.getSkeleton().updateWorldVectors();
ikControl.updateIKBoneRotation();
for (int i = 0; i < pmdNode.getPmdModel().getBoneList().getBoneCount(); i++) {