예제 #1
0
  @Override
  public void initTest(boolean deserialized) {
    if (deserialized) {
      return;
    }
    Body bodies[] = new Body[e_count];
    {
      BodyDef bd = new BodyDef();
      Body ground = getWorld().createBody(bd);

      EdgeShape shape = new EdgeShape();
      shape.set(new Vec2(-40.0f, 0.0f), new Vec2(40.0f, 0.0f));
      ground.createFixture(shape, 0.0f);
    }

    {
      CircleShape shape = new CircleShape();
      shape.m_radius = 1.0f;

      for (int i = 0; i < e_count; ++i) {
        BodyDef bd = new BodyDef();
        bd.type = BodyType.DYNAMIC;
        bd.position.set(0.0f, 4.0f + 3.0f * i);

        bodies[i] = getWorld().createBody(bd);

        bodies[i].createFixture(shape, 1.0f);

        // m_bodies[i].setLinearVelocity(new Vec2(0.0f, -100.0f));
      }
    }
  }
예제 #2
0
  @Override
  public void initTest(boolean argDeserialized) {
    Body ground = null;
    {
      BodyDef bd = new BodyDef();
      ground = getWorld().createBody(bd);

      EdgeShape shape = new EdgeShape();
      shape.set(new Vec2(50.0f, 0.0f), new Vec2(-50.0f, 0.0f));
      ground.createFixture(shape, 0.0f);
    }

    {
      CircleShape circle1 = new CircleShape();
      circle1.m_radius = 1.0f;

      PolygonShape box = new PolygonShape();
      box.setAsBox(0.5f, 5.0f);

      CircleShape circle2 = new CircleShape();
      circle2.m_radius = 2.0f;

      BodyDef bd1 = new BodyDef();
      bd1.type = BodyType.STATIC;
      bd1.position.set(10.0f, 9.0f);
      Body body1 = m_world.createBody(bd1);
      body1.createFixture(circle1, 5.0f);

      BodyDef bd2 = new BodyDef();
      bd2.type = BodyType.DYNAMIC;
      bd2.position.set(10.0f, 8.0f);
      Body body2 = m_world.createBody(bd2);
      body2.createFixture(box, 5.0f);

      BodyDef bd3 = new BodyDef();
      bd3.type = BodyType.DYNAMIC;
      bd3.position.set(10.0f, 6.0f);
      Body body3 = m_world.createBody(bd3);
      body3.createFixture(circle2, 5.0f);

      RevoluteJointDef jd1 = new RevoluteJointDef();
      jd1.initialize(body2, body1, bd1.position);
      Joint joint1 = m_world.createJoint(jd1);

      RevoluteJointDef jd2 = new RevoluteJointDef();
      jd2.initialize(body2, body3, bd3.position);
      Joint joint2 = m_world.createJoint(jd2);

      GearJointDef jd4 = new GearJointDef();
      jd4.bodyA = body1;
      jd4.bodyB = body3;
      jd4.joint1 = joint1;
      jd4.joint2 = joint2;
      jd4.ratio = circle2.m_radius / circle1.m_radius;
      m_world.createJoint(jd4);
    }

    {
      CircleShape circle1 = new CircleShape();
      circle1.m_radius = 1.0f;

      CircleShape circle2 = new CircleShape();
      circle2.m_radius = 2.0f;

      PolygonShape box = new PolygonShape();
      box.setAsBox(0.5f, 5.0f);

      BodyDef bd1 = new BodyDef();
      bd1.type = BodyType.DYNAMIC;
      bd1.position.set(-3.0f, 12.0f);
      Body body1 = m_world.createBody(bd1);
      body1.createFixture(circle1, 5.0f);

      RevoluteJointDef jd1 = new RevoluteJointDef();
      jd1.bodyA = ground;
      jd1.bodyB = body1;
      ground.getLocalPointToOut(bd1.position, jd1.localAnchorA);
      body1.getLocalPointToOut(bd1.position, jd1.localAnchorB);
      jd1.referenceAngle = body1.getAngle() - ground.getAngle();
      m_joint1 = (RevoluteJoint) m_world.createJoint(jd1);

      BodyDef bd2 = new BodyDef();
      bd2.type = BodyType.DYNAMIC;
      bd2.position.set(0.0f, 12.0f);
      Body body2 = m_world.createBody(bd2);
      body2.createFixture(circle2, 5.0f);

      RevoluteJointDef jd2 = new RevoluteJointDef();
      jd2.initialize(ground, body2, bd2.position);
      m_joint2 = (RevoluteJoint) m_world.createJoint(jd2);

      BodyDef bd3 = new BodyDef();
      bd3.type = BodyType.DYNAMIC;
      bd3.position.set(2.5f, 12.0f);
      Body body3 = m_world.createBody(bd3);
      body3.createFixture(box, 5.0f);

      PrismaticJointDef jd3 = new PrismaticJointDef();
      jd3.initialize(ground, body3, bd3.position, new Vec2(0.0f, 1.0f));
      jd3.lowerTranslation = -5.0f;
      jd3.upperTranslation = 5.0f;
      jd3.enableLimit = true;

      m_joint3 = (PrismaticJoint) m_world.createJoint(jd3);

      GearJointDef jd4 = new GearJointDef();
      jd4.bodyA = body1;
      jd4.bodyB = body2;
      jd4.joint1 = m_joint1;
      jd4.joint2 = m_joint2;
      jd4.ratio = circle2.m_radius / circle1.m_radius;
      m_joint4 = (GearJoint) m_world.createJoint(jd4);

      GearJointDef jd5 = new GearJointDef();
      jd5.bodyA = body2;
      jd5.bodyB = body3;
      jd5.joint1 = m_joint2;
      jd5.joint2 = m_joint3;
      jd5.ratio = 1f / circle2.m_radius;
      m_joint5 = (GearJoint) m_world.createJoint(jd5);
    }
  }