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))