def set_transform(self, name, transform):
        """
        Set the transform for one of the manager's objects.
        This replaces the prior transform.

        Parameters
        ----------
        name : str
          An identifier for the object already in the manager
        transform : (4,4) float
          A new homogenous transform matrix for the object
        """
        if name in self._objs:
            o = self._objs[name]['obj']
            o.setRotation(transform[:3, :3])
            o.setTranslation(transform[:3, 3])
            self._manager.update(o)
        else:
            raise ValueError('{} not in collision manager!'.format(name))
Set the transform for one of the manager's objects.
        This replaces the prior transform.

        Parameters
        ----------
        name : str
          An identifier for the object already in the manager
        transform : (4,4) float
          A new homogenous transform matrix for the object