def test_y_deflection(self):
# Launch a projectile at 45 degrees at 300 m/s.
# It should have a flight time of 43.262894944953523 s
# for which the range is 9177.445 m, at which point the
# deflection should be 0.
deflection = pm.y_deflection(45, 300., 9177.4459168013527)
assert_almost_equal(deflection, 0)
def test_y_deflection(self):
# Launch a projectile at 45 degrees at 300 m/s.
# It should have a flight time of 43.262894944953523 s
# for which the range is 9177.445 m, at which point the
# deflection should be 0.
deflection = pm.y_deflection(45, 300., 9177.4459168013527)
assert_almost_equal(deflection, 0)
def test_parabola_line_intersection_point(self):
traj = pm.find_trajectory(3, -0.62, 300.)
res = pm.parabola_line_intersection_point(3, -0.62, traj, 300, 0)
assert_almost_equal(res[3], -0.6293646114131306)
assert_almost_equal(res[2], 0)
assert_almost_equal(res[1], pm.y_deflection(traj, 300, 3))
assert_almost_equal(res[0], 3)
res = pm.parabola_line_intersection_point(3.1, -0.62, traj, 300, 0.8)
assert_(res[0] < 3.1)
assert_almost_equal(np.array(res),
np.array([3.0988052120901273,
-0.033550291159381511,
0.0011947938059390722,
-0.6299889176505941]))
def test_parabola_line_intersection_point(self):
traj = pm.find_trajectory(3, -0.62, 300.)
res = pm.parabola_line_intersection_point(3, -0.62, traj, 300, 0)
assert_almost_equal(res[3], -0.6293646114131306)
assert_almost_equal(res[2], 0)
assert_almost_equal(res[1], pm.y_deflection(traj, 300, 3))
assert_almost_equal(res[0], 3)
res = pm.parabola_line_intersection_point(3.1, -0.62, traj, 300, 0.8)
assert_(res[0] < 3.1)
assert_almost_equal(
np.array(res),
np.array([
3.0988052120901273, -0.033550291159381511,
0.0011947938059390722, -0.6299889176505941
]))