def testRotate(self): # Rotate about 0. p1 = (0, 0) self.assertEqual((0, 0), area_notice.vec_rot(p1, 0)) self.assertEqual((0, 0), area_notice.vec_rot(p1, math.pi)) self.assertEqual((0, 0), area_notice.vec_rot(p1, math.pi / 2)) self.assertEqual((0, 0), area_notice.vec_rot(p1, math.pi / 4)) self.assertEqual((0, 0), area_notice.vec_rot(p1, -math.pi / 4))
def testRotate2(self):
# Rotate of 1, 0.
p1 = (1, 0)
self.assertEqual((1, 0), area_notice.vec_rot(p1, 0))
self.assertAlmostEqualSeries((0, 1), area_notice.vec_rot(p1, PI_2))
self.assertAlmostEqualSeries((-1, 0), area_notice.vec_rot(p1, math.pi))
self.assertAlmostEqualSeries((0, -1), area_notice.vec_rot(p1, -PI_2))
self.assertAlmostEqualSeries(
[math.sqrt(.5)] * 2, area_notice.vec_rot(p1, math.pi / 4))
self.assertAlmostEqualSeries(
(0, 1), area_notice.vec_rot(area_notice.vec_rot(p1, PI_4), PI_4))
self.assertAlmostEqualSeries(
[0.707106781] * 2, area_notice.vec_rot((1, 0), PI_4), places=4)
self.assertAlmostEqualSeries(
(0, 1), area_notice.vec_rot([math.sqrt(.5)] * 2, PI_4))
def testRotate3(self):
# Rotate of 0, 1.
p1 = (0, 1)
self.assertEqual((0, 1), area_notice.vec_rot(p1, 0))
self.assertAlmostEqualSeries((-1, 0), area_notice.vec_rot(p1, math.pi / 2))
self.assertAlmostEqualSeries((0, -1), area_notice.vec_rot(p1, math.pi))
self.assertAlmostEqualSeries((1, 0), area_notice.vec_rot(p1, -math.pi / 2))
self.assertAlmostEqualSeries(
(-math.sqrt(.5), math.sqrt(.5)), area_notice.vec_rot(p1, PI_4))
self.assertAlmostEqualSeries(
(-1, 0), area_notice.vec_rot(area_notice.vec_rot(p1, PI_4), PI_4))
self.assertAlmostEqualSeries(
(0, 1),
area_notice.vec_rot((math.sqrt(.5), math.sqrt(.5)), math.pi / 4))
