def test_crossProduct(self):
v1 = Vector3(1, 1, -3)
v2 = Vector3(-1, 3, -1)
result = v1.cross(v2)
self.assertEqual(result.x, 8)
self.assertEqual(result.y, 4)
self.assertEqual(result.z, 4)
def test_addition(self):
v1 = Vector3(1, 2, 3)
v2 = Vector3(5, 6, 7)
result = v1.add(v2)
self.assertEqual(result.x, 6)
self.assertEqual(result.y, 8)
self.assertEqual(result.z, 10)
def test_rotateVectorByQuat(self):
from math import pi
q = Quaternion.createRotationQuaternion(Vector3(0, 0, 1), pi/2)
v = Vector3(1, 0, 0)
result = q.rotateVector3(v)
self.assertAlmostEqual(result.x, 0)
self.assertAlmostEqual(result.y, 1)
self.assertAlmostEqual(result.z, 0)
def test_createQuaternionFromVector3(self):
v = Vector3(1, 2, 3)
q = Quaternion.createPureQuaternion(v)
self.assertEqual(q.w, 0)
self.assertEqual(q.x, 1)
self.assertEqual(q.y, 2)
self.assertEqual(q.z, 3)
def test_conjugateQuaternion(self):
v = Vector3(1, 2, 3)
q = Quaternion.createPureQuaternion(v)
q = q.conjugate()
self.assertEqual(q.w, 0)
self.assertEqual(q.x, -1)
self.assertEqual(q.y, -2)
self.assertEqual(q.z, -3)
def test_createVector3(self):
v = Vector3(1, 2, 3)
self.assertEqual(v.x, 1)
self.assertEqual(v.y, 2)
self.assertEqual(v.z, 3)
def test_scalarMultiplication(self):
v1 = Vector3(1, 2, 3)
result = v1.scalarMultiply(5)
self.assertEqual(result.x, 5)
self.assertEqual(result.y, 10)
self.assertEqual(result.z, 15)
def test_dotProduct(self):
v1 = Vector3(1, 2, 3)
v2 = Vector3(5, 6, 7)
result = v1.dot(v2)
self.assertEqual(result, 38)
def test_negation(self):
v1 = Vector3(5, 6, 7)
result = v1.scalarMultiply(-1)
self.assertEqual(result.x, -5)
self.assertEqual(result.y, -6)
self.assertEqual(result.z, -7)