setLinearVelocity method
Sets body's velocity (m/s), waking it.
Implementation
@override
void setLinearVelocity(int body, Vector3 velocity) {
if (!_moving(body)) return;
JPH_BodyInterface_SetLinearVelocity(
_bodyInterface,
_id(body),
_vec(_v1, velocity),
);
JPH_BodyInterface_ActivateBody(_bodyInterface, _id(body));
}