If true, this wheel transfers engine force to the ground to propel the vehicle forward. This value is used in conjunction with VehicleBody.engineForce and ignored if you are using the per-wheel engineForce value instead.
See Implementation
If true, this wheel transfers engine force to the ground to propel the vehicle forward. This value is used in conjunction with VehicleBody.engineForce and ignored if you are using the per-wheel engineForce value instead.