public void setTransform(Mat4f xform) {
Mat4f totalXform = xform.mul(offsetTransform);
for (int i = 0; i < getNumChildren(); i++) {
getChild(i).setTransform(totalXform);
}
}
public ManipPartTransform() {
super();
offsetTransform = new Mat4f();
offsetTransform.makeIdent();
}