Box2d 슬라이더 플랫폼을 만드는 방법

Question

Box2d에서 슬라이더 플랫폼을 만드는 방법은 무엇입니까? 볼륨 컨트롤러처럼 좌우로 이동할 수있는 플랫폼.

Answer 1

b2PrismaticJointDef jointDef; 
    jointDef.Initialize(fixture->GetBody(), groundBody, fixture->GetBody()->GetWorldCenter(), b2Vec2(0.5f,0.0f)); 
    jointDef.maxMotorForce = 500.0; 
    jointDef.enableMotor = true; 
    jointDef.lowerTranslation = -2.5f; 
    jointDef.upperTranslation = 2.5f; 
    jointDef.enableLimit = true;