# Debug commands of @ferret/physics-vehicles

Call with `world.commands.execute(name, args)`; `world.commands.list()` on the running game is the authority. Read from the sources of these packages.

- `vessel.blow` — blow a ballast tank empty with compressed air: {vessel, tank}
- `vessel.breach` — open a breach into a compartment: {vessel, name, compartment, at, area, Cd?}
- `vessel.burner` — burner on or off: {vessel, on, envelope?}
- `vessel.fill` — fill a ballast tank toward a fraction: {vessel, tank, fraction}
- `vessel.info` — draft, depth, altitude, heel, trim, metacentric height, buoyancy against weight: {vessel}
- `vessel.surface` — set a control surface or sail angle, rad: {vessel, part, angle}
- `vessel.thrust` — command a thruster 0..1: {vessel, part, command}