def test_rotate(self):
eq = self.almostEqual
solid = Solid()
solid.createSphere((0.0, 0.0, 0.0), 1.0)
solid.rotate(-pi / 2.0, (0.0, 1.0, 0.0), (1.0, 1.0, 0.0))
eq(solid.centreOfMass(), (1.0, 0.0, -1.0))
def test_translate(self):
eq = self.almostEqual
solid = Solid()
solid.createSphere((0.0, 0.0, 0.0), 1.0)
solid.translate((1.0, 2.0, 3.0))
eq(solid.centreOfMass(), (1.0, 2.0, 3.0))
def test_centreOfMass(self):
eq = self.almostEqual
solid = Solid()
solid.createSphere((0.0, 0.0, 0.0), 1.0)
eq(solid.centreOfMass(), (0.0, 0.0, 0.0))
def test_rotate(self):
eq = self.almostEqual
solid = Solid()
solid.createSphere((0., 0., 0.), 1.)
solid.rotate(-pi / 2., (0., 1., 0.), (1., 1., 0.))
eq(solid.centreOfMass(), (1., 0., -1.))
def test_translate(self):
eq = self.almostEqual
solid = Solid()
solid.createSphere((0., 0., 0.), 1.)
solid.translate((1., 2., 3.))
eq(solid.centreOfMass(), (1., 2., 3.))
def test_centreOfMass(self):
eq = self.almostEqual
solid = Solid()
solid.createSphere((0., 0., 0.), 1.)
eq(solid.centreOfMass(), (0., 0., 0.))
