def test_acceleration(self):
self.assertAlmostEquals(6371 * 1000, self.earth_radius)
basic_gravity = physics.acceleration(self.earth_radius,
self.earth_mass)
self.assertAlmostEquals(physics.GRAVITY, basic_gravity, places=1)
def test_gravities(self):
basic_gravity = physics.acceleration(self.earth_radius,
self.earth_mass)
self.assertAlmostEquals(1.0, physics.gravities(basic_gravity),
places=2)
def acceleration_vector(self, thing):
delta_x = abs(self.vector[0] - thing.vector[0])
delta_y = abs(self.vector[1] - thing.vector[1])
distance = math.sqrt(pow(delta_x, 2) + pow(delta_y, 2))
force = physics.acceleration(distance, thing.mass)
