num_systems 3 system hose_generator { position -5 3 0 velocity 4 0 0 velocity_randomness 0.6 color 1 0 1 } euler_integrator { } constant_forcefield { } system hose_generator { position -5 0 0 position_randomness 0.6 velocity 4 0 0 color 1 1 0 } euler_integrator { } constant_forcefield { } system hose_generator { position -5 -3 0 position_randomness 0.6 velocity 4 0 0 velocity_randomness 0.6 color 0 1 1 } euler_integrator { } constant_forcefield { }