def test_rotateFromQuat(self):
from quat import Quat
from math import pi
v = Vec3(1., 1., 1.)
q = Quat.createFromAxisAngle(Vec3([1., 0., 0.]), pi / 2.)
v.rotateFromQuat(q)
self.assertEqual(v[0], 1.)
self.assertEqual(math.floor(v[1]), -1.)
self.assertEqual(v[2], 1.)
def rotateFromAxisAngle(self, axis, angle):
"""Function rotateFromAxisAngle from the Vec3 class rotates the current vector from the quaternion
corresponding to the given axis and angle.
Example:
>>> v = Vec3(1.,1.,1.)
>>> v.rotateFromAxisAndAngle([1.,0.,0.],pi/2.)
>>> print(v)
[1.,-1,1.]
"""
from quat import Quat
q = Quat.createFromAxisAngle(axis, angle)
self.rotateFromQuat(q)
