def test_heading(self): """ The positive Z heading points towards a heading of zero, and the positive X heading points towards three-halves pi. """ first = Position(0, 0, 0) second = Position(0, 0, 1) third = Position(1, 0, 0) self.assertAlmostEqual(first.heading(second), 0) self.assertAlmostEqual(first.heading(third), 3 * math.pi / 2) # Just for fun, this should point between pi and 3pi/2, or 5pi/4. self.assertAlmostEqual(second.heading(third), 5 * math.pi / 4)
def test_heading(self): """ The positive Z heading points towards a heading of zero, and the positive X heading points towards three-halves pi. """ first = Position(0, 0, 0) second = Position(0, 0, 1) third = Position(1, 0, 0) self.assertAlmostEqual(first.heading(second), 0) self.assertAlmostEqual(first.heading(third), 3 * math.pi / 2) # Just for fun, this should point between pi and 3pi/2, or 5pi/4. self.assertAlmostEqual(second.heading(third), 5 * math.pi / 4)
def test_heading_negative(self): """ Headings shouldn't be negative. Well, they can be, technically, but in Bravo, they should be clamped to the unit circle. """ first = Position(0, 0, 0) second = Position(-1, 0, 0) self.assertTrue(first.heading(second) >= 0)
def test_heading_negative(self): """ Headings shouldn't be negative. Well, they can be, technically, but in Bravo, they should be clamped to the unit circle. """ first = Position(0, 0, 0) second = Position(-1, 0, 0) self.assertTrue(first.heading(second) >= 0)