我向b2body施加了力,但是想知道有没有办法知道在applyforce / applylinearimpulse之后b2body的速度是多少?b2Body* car; b2Vec2 force = b2Vec2(0,100); car->ApplyForce(force, car->GetPosition()); 最佳答案 b2Vec2 vel = body-> GetLinearVelocity();