本文整理汇总了Python中pyrr.objects.quaternion.Quaternion.from_x_rotation方法的典型用法代码示例。如果您正苦于以下问题：Python Quaternion.from_x_rotation方法的具体用法？Python Quaternion.from_x_rotation怎么用？Python Quaternion.from_x_rotation使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类pyrr.objects.quaternion.Quaternion的用法示例。
在下文中一共展示了Quaternion.from_x_rotation方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_operators_quaternion
# 需要导入模块: from pyrr.objects.quaternion import Quaternion [as 别名]
# 或者: from pyrr.objects.quaternion.Quaternion import from_x_rotation [as 别名]
def test_operators_quaternion(self):
q1 = Quaternion()
q2 = Quaternion.from_x_rotation(0.5)
# add
self.assertRaises(ValueError, lambda: q1 + q2)
# subtract
# we had to add this to enable np.array_equal to work
# as it uses subtraction
#self.assertRaises(ValueError, lambda: q1 - q2)
# multiply
self.assertTrue(np.array_equal(q1 * q2, quaternion.cross(quaternion.create(), quaternion.create_from_x_rotation(0.5))))
# divide
self.assertRaises(ValueError, lambda: q1 / q2)
# or
self.assertTrue(np.array_equal(q1 | q2, quaternion.dot(quaternion.create(), quaternion.create_from_x_rotation(0.5))))
# inverse
self.assertTrue(np.array_equal(~q2, quaternion.conjugate(quaternion.create_from_x_rotation(0.5))))
# ==
self.assertTrue(Quaternion() == Quaternion())
self.assertFalse(Quaternion() == Quaternion([0., 0., 0., 0.]))
# !=
self.assertTrue(Quaternion() != Quaternion([1., 1., 1., 1.]))
self.assertFalse(Quaternion() != Quaternion())示例2: test_from_x_rotation
# 需要导入模块: from pyrr.objects.quaternion import Quaternion [as 别名]
# 或者: from pyrr.objects.quaternion.Quaternion import from_x_rotation [as 别名]
def test_from_x_rotation(self):
# 180 degree turn around X axis
q = Quaternion.from_x_rotation(np.pi)
self.assertTrue(np.allclose(q, [1., 0., 0., 0.]))
self.assertTrue(np.allclose(q * Vector3([1., 0., 0.]), [1., 0., 0.]))
self.assertTrue(np.allclose(q * Vector3([0., 1., 0.]), [0.,-1., 0.]))
self.assertTrue(np.allclose(q * Vector3([0., 0., 1.]), [0., 0.,-1.]))
# 90 degree rotation around X axis
q = Quaternion.from_x_rotation(np.pi / 2.)
self.assertTrue(np.allclose(q, [np.sqrt(0.5), 0., 0., np.sqrt(0.5)]))
self.assertTrue(np.allclose(q * Vector3([1., 0., 0.]), [1., 0., 0.]))
self.assertTrue(np.allclose(q * Vector3([0., 1., 0.]), [0., 0., 1.]))
self.assertTrue(np.allclose(q * Vector3([0., 0., 1.]), [0.,-1., 0.]))
# -90 degree rotation around X axis
q = Quaternion.from_x_rotation(-np.pi / 2.)
self.assertTrue(np.allclose(q, [-np.sqrt(0.5), 0., 0., np.sqrt(0.5)]))
self.assertTrue(np.allclose(q * Vector3([1., 0., 0.]), [1., 0., 0.]))
self.assertTrue(np.allclose(q * Vector3([0., 1., 0.]), [0., 0.,-1.]))
self.assertTrue(np.allclose(q * Vector3([0., 0., 1.]), [0., 1., 0.]))示例3: test_apply_to_vector_non_unit
# 需要导入模块: from pyrr.objects.quaternion import Quaternion [as 别名]
# 或者: from pyrr.objects.quaternion.Quaternion import from_x_rotation [as 别名]
def test_apply_to_vector_non_unit(self):
q = Quaternion.from_x_rotation(np.pi)
# zero length
v = Vector3([0., 0., 0.])
self.assertTrue(np.allclose(q * v, quaternion.apply_to_vector(quaternion.create_from_x_rotation(np.pi), [0., 0., 0.])))
# >1 length
v = Vector3([2., 0., 0.])
self.assertTrue(np.allclose(q * v, quaternion.apply_to_vector(quaternion.create_from_x_rotation(np.pi), [2., 0., 0.])))
v = Vector3([0., 2., 0.])
self.assertTrue(np.allclose(q * v, quaternion.apply_to_vector(quaternion.create_from_x_rotation(np.pi), [0., 2., 0.])))
v = Vector3([0., 0., 2.])
self.assertTrue(np.allclose(q * v, quaternion.apply_to_vector(quaternion.create_from_x_rotation(np.pi), [0., 0., 2.])))示例4: test_operators_quaternion
# 需要导入模块: from pyrr.objects.quaternion import Quaternion [as 别名]
# 或者: from pyrr.objects.quaternion.Quaternion import from_x_rotation [as 别名]
def test_operators_quaternion(self):
v = Vector3()
q = Quaternion.from_x_rotation(0.5)
# add
self.assertRaises(ValueError, lambda: v + q)
# subtract
self.assertRaises(ValueError, lambda: v - q)
# multiply
self.assertRaises(ValueError, lambda: v * q)
# divide
self.assertRaises(ValueError, lambda: v / q)示例5: test_operators_quaternion
# 需要导入模块: from pyrr.objects.quaternion import Quaternion [as 别名]
# 或者: from pyrr.objects.quaternion.Quaternion import from_x_rotation [as 别名]
def test_operators_quaternion(self):
m = Matrix33.identity()
q = Quaternion.from_x_rotation(0.7)
# add
self.assertRaises(ValueError, lambda: m + q)
# subtract
self.assertRaises(ValueError, lambda: m - q)
# multiply
self.assertTrue(np.array_equal(m * q, matrix33.multiply(matrix33.create_identity(), matrix33.create_from_quaternion(quaternion.create_from_x_rotation(0.7)))))
# divide
self.assertRaises(ValueError, lambda: m / q)示例6: test_operators_vector4
# 需要导入模块: from pyrr.objects.quaternion import Quaternion [as 别名]
# 或者: from pyrr.objects.quaternion.Quaternion import from_x_rotation [as 别名]
def test_operators_vector4(self):
q = Quaternion.from_x_rotation(0.5)
v = Vector4([1.,0.,0.,1.])
# add
self.assertRaises(ValueError, lambda: q + v)
# subtract
self.assertRaises(ValueError, lambda: q - v)
# multiply
self.assertTrue(np.array_equal(q * v, quaternion.apply_to_vector(quaternion.create_from_x_rotation(0.5), [1.,0.,0.,1.])))
# divide
self.assertRaises(ValueError, lambda: q / v)示例7: test_operators_quaternion
# 需要导入模块: from pyrr.objects.quaternion import Quaternion [as 别名]
# 或者: from pyrr.objects.quaternion.Quaternion import from_x_rotation [as 别名]
def test_operators_quaternion(self):
q1 = Quaternion()
q2 = Quaternion.from_x_rotation(0.5)
# add
self.assertRaises(ValueError, lambda: q1 + q2)
# subtract
self.assertRaises(ValueError, lambda: q1 - q2)
# multiply
self.assertTrue(np.array_equal(q1 * q2, quaternion.cross(quaternion.create(), quaternion.create_from_x_rotation(0.5))))
# divide
self.assertRaises(ValueError, lambda: q1 / q2)
# or
self.assertTrue(np.array_equal(q1 | q2, quaternion.dot(quaternion.create(), quaternion.create_from_x_rotation(0.5))))
# inverse
self.assertTrue(np.array_equal(~q2, quaternion.conjugate(quaternion.create_from_x_rotation(0.5))))示例8: test_create_from_inverse_quaternion
# 需要导入模块: from pyrr.objects.quaternion import Quaternion [as 别名]
# 或者: from pyrr.objects.quaternion.Quaternion import from_x_rotation [as 别名]
def test_create_from_inverse_quaternion(self):
q = Quaternion.from_x_rotation(0.5)
m = Matrix33.from_inverse_of_quaternion(q)
expected = matrix33.create_from_quaternion(quaternion.inverse(quaternion.create_from_x_rotation(0.5)))
np.testing.assert_almost_equal(np.array(m), expected, decimal=5)示例9: test_axis
# 需要导入模块: from pyrr.objects.quaternion import Quaternion [as 别名]
# 或者: from pyrr.objects.quaternion.Quaternion import from_x_rotation [as 别名]
def test_axis(self):
q = Quaternion.from_x_rotation(np.pi / 2.0)
self.assertTrue(np.allclose(q.axis, quaternion.rotation_axis(q)))示例10: test_angle
# 需要导入模块: from pyrr.objects.quaternion import Quaternion [as 别名]
# 或者: from pyrr.objects.quaternion.Quaternion import from_x_rotation [as 别名]
def test_angle(self):
q = Quaternion.from_x_rotation(np.pi / 2.0)
self.assertEqual(q.angle, quaternion.rotation_angle(q))示例11: test_length
# 需要导入模块: from pyrr.objects.quaternion import Quaternion [as 别名]
# 或者: from pyrr.objects.quaternion.Quaternion import from_x_rotation [as 别名]
def test_length(self):
q = Quaternion.from_x_rotation(np.pi / 2.0)
self.assertTrue(np.allclose(q.length, quaternion.length(q)))示例12: test_from_x_rotation
# 需要导入模块: from pyrr.objects.quaternion import Quaternion [as 别名]
# 或者: from pyrr.objects.quaternion.Quaternion import from_x_rotation [as 别名]
def test_from_x_rotation(self):
q = Quaternion.from_x_rotation(np.pi / 2.)
self.assertTrue(np.allclose(q*Vector3([1.,0.,0.]), [1.,0.,0.]))
self.assertTrue(np.allclose(q*Vector3([0.,1.,0.]), [0.,0.,-1.]))
self.assertTrue(np.allclose(q*Vector3([0.,0.,1.]), [0.,1.,0.]))示例13: test_dot
# 需要导入模块: from pyrr.objects.quaternion import Quaternion [as 别名]
# 或者: from pyrr.objects.quaternion.Quaternion import from_x_rotation [as 别名]
def test_dot(self):
q1 = Quaternion.from_x_rotation(np.pi / 2.0)
q2 = Quaternion.from_y_rotation(np.pi / 2.0)
self.assertTrue(np.allclose(q1.dot(q2), quaternion.dot(q1, q2)))示例14: test_matrix44
# 需要导入模块: from pyrr.objects.quaternion import Quaternion [as 别名]
# 或者: from pyrr.objects.quaternion.Quaternion import from_x_rotation [as 别名]
def test_matrix44(self):
q = Quaternion.from_x_rotation(np.pi / 2.0)
self.assertTrue(np.allclose(q.matrix44, matrix44.create_from_quaternion(q)))示例15: test_negative
# 需要导入模块: from pyrr.objects.quaternion import Quaternion [as 别名]
# 或者: from pyrr.objects.quaternion.Quaternion import from_x_rotation [as 别名]
def test_negative(self):
q = Quaternion.from_x_rotation(np.pi / 2.0)
self.assertTrue(np.allclose(q.negative, quaternion.negate(q)))