def test(): print( "-------------------------------------Testing AC----------------------------------" ) x0 = [0.0, 0.0, 0.0] vel0 = [1.0, 2.0, 3.0] euler0 = [0.1, 0.2, 0.3] ang_vel0 = [0.1, 0.2, 0.3] initial_parameters = [x0, vel0, euler0, ang_vel0] ac = Aircraft(initial_parameters, Tsc=0.01, RK4=False) forces = [1, 1, 1] forces = [0, 0, 0] moments = [0, 0, 0] print(ac.RK4) print(ac.vel, ac.ang_vel) print(ac.DotAngVel_get()) ac.update_onestep(forces, moments) print(ac.vel, ac.ang_vel)