def test_vector_components(self):
# check
self.assertTupleEqual(common.get_component_vectors(20, 140) \
, (-15.320888862379558, 12.85575219373079))
# double check
self.assertTupleEqual(common.get_component_vectors(30, 20) \
, (28.190778623577252, 10.260604299770062))
# triple check
self.assertTupleEqual(common.get_component_vectors(50, 195) \
, (-48.29629131445341, -12.94095225512604))
def velocity_with_no_acceleration(params):
# velocity_x_component = velocity_initial * cos(theta)
try:
return get_component_vectors( \
params['velocity_initial'],params['angle'])[0]
except Exception as e:
print(e)
return None
def velocity_with_constant_acceleration(params):
# velocity_y_final = velocity_y_initial + \
# + acceleration * time
try:
return get_component_vectors(\
params['velocity_initial'], params['angle'])[1] \
+ (params['acceleration'] * params['time'])
except Exception as e:
print(e)
return None
def displacement_with_constant_velocity(params):
# x_final_position = x_initial_position \
# + velocity_x_component * time
try:
return params['x_initial'] * \
get_component_vectors( \
params['velocity_initial'], params['angle'])[0] \
* params['time']
except Exception as e:
print(e)
return None
def displacement_with_non_constant_velocity(params):
# y_final_position = y_initial_position \
# + velocity_y_component \
# + (1/2)(acceleration)(time**2)
try:
y_velocity = get_component_vectors(\
params['velocity_initial'], params['angle'])[1]
return params['y_initial'] \
+ (y_velocity * params['time']) \
+ (0.5 * params['acceleration'] * params['time']**2)
except Exception as e:
print(e)
return None