def test_intersectLine(self):
p = Plane((0.,0.,0.), (-1.,0.,0.), (0.,-1.,0.))
a = (0.,0.,-1.)
b = (0.,0.,1.)
self.assertTrue(p.intersectLine(a, b) == (0.,0.,0.))
a = (1.,1.,-1.)
b = (1.,1.,1.)
self.assertTrue(p.intersectLine(a, b) == (1.,1.,0.))
def test_flip(self):
p1 = Plane((0.,0.,0.), (-1.,0.,0.), (0.,-1.,0.))
self.assertTrue(p1.distanceTo((0.,0.,-1.5)) == -1.5)
self.assertTrue(p1.distanceTo((0.,0.,1.5)) == 1.5)
p1.flip()
self.assertTrue(p1.distanceTo((0.,0.,-1.5)) == 1.5)
self.assertTrue(p1.distanceTo((0.,0.,1.5)) == -1.5)
def test_transform(self):
p = Plane.fromNormal((0.,0.,0.), (0.,0.,1.))
tr = Transform().translate(0.,0.,1.)
self.assertTrue(p.distanceTo((0.,0.,-1.5)) == -1.5)
self.assertTrue(p.origin == Point(0.,0.,0.))
p.transform(tr)
self.assertTrue(p.distanceTo((0.,0.,-1.5)) == -2.5)
self.assertTrue(p.origin == Point(0.,0.,1.))
def test_fromFrame(self):
p1 = Plane.fromFrame((0.,0.,0.), (-1.,0.,0.), (0.,-1.,0.))
self.assertTrue(p1.origin == Point(0.,0.,0.))
self.assertTrue(p1.xaxis == Vector(-1.,0.,0.))
self.assertTrue(p1.yaxis == Vector(0.,-1.,0.))
self.assertTrue(p1.zaxis == Vector(0.,0.,1.))
self.assertTrue(p1.a == 0.)
self.assertTrue(p1.b == 0.)
self.assertTrue(p1.c == 1.)
self.assertTrue(p1.d == 0.)
def test_mirror(self):
eq = self.almostEqual
e1 = Edge().createLine((0., 0., 0.), (1., 0., 0.))
plane = Plane.fromNormal((0., 0., 0.), (1., 0., 0.))
e1.mirror(plane)
v1, v2 = e1
eq(v1, (0., 0., 0.))
eq(v2, (-1., 0., 0.))
e2 = e1.mirror(plane, copy=True)
v1, v2 = e1
eq(v1, (0., 0., 0.))
eq(v2, (-1., 0., 0.))
v1, v2 = e2
eq(v1, (0., 0., 0.))
eq(v2, (1., 0., 0.))
def test_mirror(self):
eq = self.almostEqual
e1 = Edge().createLine((0.,0.,0.), (1.,0.,0.))
plane = Plane.fromNormal((0.,0.,0.), (1.,0.,0.))
e1.mirror(plane)
v1, v2 = e1
eq(v1, (0.,0.,0.))
eq(v2, (-1.,0.,0.))
e2 = e1.mirror(plane, copy = True)
v1, v2 = e1
eq(v1, (0.,0.,0.))
eq(v2, (-1.,0.,0.))
v1, v2 = e2
eq(v1, (0.,0.,0.))
eq(v2, (1.,0.,0.))
def test_closestPoint(self):
p1 = Plane((0.,0.,0.), (-1.,0.,0.), (0.,-1.,0.))
self.assertTrue(p1.closestPoint((1.,2.,-1.5)) == Point(1.,2.,0.))