code: public void animate(GVRHybridObject object, float animationTime)
      {
          GVRMeshMorph morph  = (GVRMeshMorph) mTarget;
  
          mKeyInterpolator.animate(animationTime * mDuration, mCurrentValues);
          morph.setWeights(mCurrentValues);
  
      }
docs: Computes the blend weights for the given time and
  updates them in the target.