def test_unit(self):
eq = self.assertAlmostEqual
q = Quaternion(1., 2., 3., 4.)
self.assertTrue(q.length != 1.0)
q.unit()
eq(q.length, 1.)
def test_unit(self):
eq = self.assertAlmostEqual
q = Quaternion(1.,2.,3.,4.)
self.assertTrue(q.length != 1.0)
q.unit()
eq(q.length, 1.)
def test_conj(self):
eq = self.assertAlmostEqual
q = Quaternion(1.,2.,3.,4.)
q.conj()
self.assertTrue(q.w == 1.)
self.assertTrue(q.x == -2.)
self.assertTrue(q.y == -3.)
self.assertTrue(q.z == -4.)
def test_conj(self):
eq = self.assertAlmostEqual
q = Quaternion(1., 2., 3., 4.)
q.conj()
self.assertTrue(q.w == 1.)
self.assertTrue(q.x == -2.)
self.assertTrue(q.y == -3.)
self.assertTrue(q.z == -4.)
def test_lengthSquared(self):
eq = self.assertAlmostEqual
q = Quaternion()
self.assertTrue(q.lengthSquared == 1.0)
q = Quaternion(1.,2.,3.,4.)
self.assertTrue(q.lengthSquared != 1.0)
q.unit()
eq(q.lengthSquared, 1.)
def test_imul(self):
eq = self.assertAlmostEqual
q1 = Quaternion.fromAngleAxis(math.radians(90.),Vector(0.,0.,1.))
q2 = Quaternion.fromAngleAxis(math.radians(-90.),Vector(0.,0.,1.))
q1 *= q2
eq(q1.w, 1.)
eq(q1.x, 0.)
eq(q1.y, 0.)
eq(q1.z, 0.)
def test_imul(self):
eq = self.assertAlmostEqual
q1 = Quaternion.fromAngleAxis(math.radians(90.), Vector(0., 0., 1.))
q2 = Quaternion.fromAngleAxis(math.radians(-90.), Vector(0., 0., 1.))
q1 *= q2
eq(q1.w, 1.)
eq(q1.x, 0.)
eq(q1.y, 0.)
eq(q1.z, 0.)
def test_imap(self):
eq = self.assertAlmostEqual
q = Quaternion.fromAngleAxis(math.radians(90.),Vector(0.,0.,1.))
p = q.imap((1.,0.,0.))
eq(p[0], 0.)
eq(p[1], -1.)
eq(p[2], 0.)
def test_imap(self):
eq = self.assertAlmostEqual
q = Quaternion.fromAngleAxis(math.radians(90.), Vector(0., 0., 1.))
p = q.imap((1., 0., 0.))
eq(p[0], 0.)
eq(p[1], -1.)
eq(p[2], 0.)
def test_transform(self):
eq = self.assertAlmostEqual
q = Quaternion.fromAngleAxis(math.radians(90.),Vector(0.,0.,1.))
a = q.map((1.,0.,0.))
tr = q.transform
b = tr.map((1.,0.,0.))
eq(a[0], b[0])
eq(a[1], b[1])
eq(a[2], b[2])
def test_transform(self):
eq = self.assertAlmostEqual
q = Quaternion.fromAngleAxis(math.radians(90.), Vector(0., 0., 1.))
a = q.map((1., 0., 0.))
tr = q.transform
b = tr.map((1., 0., 0.))
eq(a[0], b[0])
eq(a[1], b[1])
eq(a[2], b[2])
def test_init_and_accessors(self):
q = Quaternion()
self.assertTrue(q.w == 1.0)
self.assertTrue(q.x == 0.)
self.assertTrue(q.y == 0.)
self.assertTrue(q.z == 0.)
q = Quaternion(1., 2., 3., 4.)
self.assertTrue(q.w == 1.)
self.assertTrue(q.x == 2.)
self.assertTrue(q.y == 3.)
self.assertTrue(q.z == 4.)
q = Quaternion()
q.w = 5.
q.x = 2.
q.y = 3.
q.z = 4.
self.assertTrue(q.w == 5.)
self.assertTrue(q.x == 2.)
self.assertTrue(q.y == 3.)
self.assertTrue(q.z == 4.)
def test_lengthSquared(self):
eq = self.assertAlmostEqual
q = Quaternion()
self.assertTrue(q.lengthSquared == 1.0)
q = Quaternion(1., 2., 3., 4.)
self.assertTrue(q.lengthSquared != 1.0)
q.unit()
eq(q.lengthSquared, 1.)
def test_init_and_accessors(self):
q = Quaternion()
self.assertTrue(q.w == 1.0)
self.assertTrue(q.x == 0.)
self.assertTrue(q.y == 0.)
self.assertTrue(q.z == 0.)
q = Quaternion(1.,2.,3.,4.)
self.assertTrue(q.w == 1.)
self.assertTrue(q.x == 2.)
self.assertTrue(q.y == 3.)
self.assertTrue(q.z == 4.)
q = Quaternion()
q.w = 5.
q.x = 2.
q.y = 3.
q.z = 4.
self.assertTrue(q.w == 5.)
self.assertTrue(q.x == 2.)
self.assertTrue(q.y == 3.)
self.assertTrue(q.z == 4.)
