def Mat4xVec4(self) : t1=pyngl.Mat4() test=pyngl.Vec4(2,1,2,1) t1.rotateX(45.0) test=t1*test result=pyngl.Vec4(2,-0.707107,2.12132,1) self.assertTrue(test==result)
def testOuter(self):
a = pyngl.Vec4(1.0, 2.0, 3.0, 4.0)
b = pyngl.Vec4(5.0, 6.0, 7.0, 8.0)
outer = a.outer(b)
result = pyngl.Mat4(5, 6, 7, 8, 10, 12, 14, 16, 15, 18, 21, 24, 20, 24,
28, 32)
self.assertTrue(outer == result)
def Vec4xMat4(self) : t1=pyngl.Mat4() test=pyngl.Vec4(2,1,2,1) t1.rotateX(45.0) test=test*t1 result=pyngl.Vec4(2,2.12132,0.707107,1) self.assertTrue(test==result)
def testMinusEqual(self):
a = pyngl.Vec4(1.0, 2.0, 3.0, 0.0)
b = pyngl.Vec4(4.0, 5.0, 6.0, 2.0)
a -= b
self.assertAlmostEquals(a.m_x, -3.0, delta=0.001)
self.assertAlmostEquals(a.m_y, -3.0, delta=0.001)
self.assertAlmostEquals(a.m_z, -3.0, delta=0.001)
self.assertAlmostEquals(a.m_w, 0.0, delta=0.001)
def testMinus(self):
a = pyngl.Vec4(1.0, 2.0, 3.0, 1.0)
b = pyngl.Vec4(4.0, 5.0, 6.0, 2.0)
c = a - b
self.assertAlmostEquals(c.m_x, -3.0, delta=0.001)
self.assertAlmostEquals(c.m_y, -3.0, delta=0.001)
self.assertAlmostEquals(c.m_z, -3.0, delta=0.001)
self.assertAlmostEquals(c.m_w, 1.0, delta=0.001)
def testAddEqual(self):
a = pyngl.Vec4(1.0, 2.0, 3.0, 0.0)
b = pyngl.Vec4(4.0, 5.0, 6.0, 1.0)
a += b
self.assertAlmostEquals(a.m_x, 5.0, delta=0.001)
self.assertAlmostEquals(a.m_y, 7.0, delta=0.001)
self.assertAlmostEquals(a.m_z, 9.0, delta=0.001)
self.assertAlmostEquals(a.m_w, 0.0, delta=0.001)
def testAdd(self):
a = pyngl.Vec4(1.0, 2.0, 3.0, 1.0)
b = pyngl.Vec4(4.0, 5.0, 6.0, 2.0)
c = a + b
self.assertAlmostEquals(c.m_x, 5.0, delta=0.001)
self.assertAlmostEquals(c.m_y, 7.0, delta=0.001)
self.assertAlmostEquals(c.m_z, 9.0, delta=0.001)
self.assertAlmostEquals(c.m_w, 1.0, delta=0.001)
def testCross2(self):
a = pyngl.Vec4.up()
b = pyngl.Vec4.left()
c = pyngl.Vec4()
c.cross(a, b)
# alas in is a reserved work in python so we use inV
self.assertTrue(c == pyngl.Vec4.inV())
def testMultiplyFloat(self):
a = pyngl.Vec4(1.0, 2.0, 3.0, 1.0)
b = a * 2.0
self.assertAlmostEquals(b.m_x, 2.0, delta=0.001)
self.assertAlmostEquals(b.m_y, 4.0, delta=0.001)
self.assertAlmostEquals(b.m_z, 6.0, delta=0.001)
self.assertAlmostEquals(b.m_w, 1.0, delta=0.001)
def testDivideEqualFloat(self):
a = pyngl.Vec4(1.0, 2.0, 3.0, 0.0)
a /= 2.0
self.assertAlmostEquals(a.m_x, 0.5, delta=0.001)
self.assertAlmostEquals(a.m_y, 1.0, delta=0.001)
self.assertAlmostEquals(a.m_z, 1.5, delta=0.001)
self.assertAlmostEquals(a.m_w, 0.0, delta=0.001)
def testDivideFloat(self):
a = pyngl.Vec4(1.0, 2.0, 3.0, 1.0)
b = a / 2.0
self.assertAlmostEquals(b.m_x, 0.5, delta=0.001)
self.assertAlmostEquals(b.m_y, 1.0, delta=0.001)
self.assertAlmostEquals(b.m_z, 1.5, delta=0.001)
self.assertAlmostEquals(b.m_w, 1.0, delta=0.001)
def testMultiplyEqualFloat(self):
a = pyngl.Vec4(1.0, 2.0, 3.0, 0.0)
a *= 2.0
self.assertAlmostEquals(a.m_x, 2.0, delta=0.001)
self.assertAlmostEquals(a.m_y, 4.0, delta=0.001)
self.assertAlmostEquals(a.m_z, 6.0, delta=0.001)
self.assertAlmostEquals(a.m_w, 0.0, delta=0.001)
def testLengthSquared(self):
a = pyngl.Vec4(22.0, 1.0, 32.0)
self.assertAlmostEqual(a.lengthSquared(), 1509.0, delta=0.001)
def testLength(self):
a = pyngl.Vec4(22.0, 1.0, 32.0)
self.assertAlmostEqual(a.length(), 38.845, delta=0.001)
def testCalcNormal2(self):
result = pyngl.calcNormal(pyngl.Vec4(-1.0, -1.0, 0.0, 0.0),
pyngl.Vec4(0.0, 0.0, 0.0, 0.0),
pyngl.Vec4(1.0, -1.0, 0.0, 0.0))
self.assertEqual(result, pyngl.Vec3(0.0, 0.0, 1.0))
def testInner(self):
a = pyngl.Vec4(1, 2, 3)
b = pyngl.Vec4(3, 4, 5)
self.assertEqual(a.inner(b), 26.0)
def testNormalize(self):
test = pyngl.Vec4(22.3, 0.5, 10.0)
test.normalize()
result = pyngl.Vec4(0.912266, 0.0204544, 0.409088)
self.assertTrue(test == result)
self.assertEqual(test, result)
def testdefaultCtor(self):
test = pyngl.Vec4()
result = pyngl.Vec4(0.0, 0.0, 0.0, 1.0)
self.assertEqual(test, result)
def testDotProduct(self):
a = pyngl.Vec4(1.0, 2.0, 3.0)
b = pyngl.Vec4(4.0, 5.0, 6.0)
self.assertEqual(a.dot(b), 32.0)
def testAssignOperator(self):
test = pyngl.Vec4(1.0, 2.0, 3.0, 4.0)
result = test
self.assertTrue(test == result)
def testSubscript(self):
test = pyngl.Vec4(1.0, 2.0, 3.0, 4.0)
self.assertEqual(test[0], 1.0)
self.assertEqual(test[1], 2.0)
self.assertEqual(test[2], 3.0)
self.assertEqual(test[3], 4.0)
def testSizeof(self):
test = pyngl.Vec4()
self.assertTrue(test.sizeof() == 4 * ctypes.sizeof(ctypes.c_float))
def testFloatCtor(self):
test = pyngl.Vec4(1.0, 2.0, 3.0, 4.0)
result = pyngl.Vec4(1.0, 2.0, 3.0, 4.0)
self.assertTrue(test == result)
def testNull(self):
test = pyngl.Vec4(1, 2, 4)
test.null()
self.assertTrue(test == pyngl.Vec4.zero())
