code: public void  clearRotations()
      {
          int numbones = getNumBones();
  
          mNeedSync = true;
          for (int i = 0; i < numbones; ++i)
          {
              Bone bone = mBones[i];
  
              bone.clearRotation();
              bone.Changed = 0;
          }
      }
docs: Clear the rotations in this pose.
  <p>
  Positions are not affected.