def rotate(self, quaternion):
"""
Rotate the particle with the specified quaternion
:param quaternion:
:return: None
"""
rot3d = quaternion2rot3d(quaternion)
new_pos = np.dot(self.atom_pos, rot3d.T)
self.set_atom_pos(new_pos)
def rotate_particle(quaternion, particle):
"""
Apply one quaternion to rotate the particle.
:param quaternion:
:param particle:
:return:
"""
rot3d = quaternion2rot3d(quaternion)
new_pos = np.dot(particle.atom_pos, rot3d.T)
particle.set_atom_pos(new_pos)