Package org.jbox2d.dynamics.joints

Examples of org.jbox2d.dynamics.joints.ConstantVolumeJointDef

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      ground.createFixture(sd, 0f);
      sd.setAsBox(0.4f, 50.0f, new Vec2(10.0f, 0.0f), 0.0f);
      ground.createFixture(sd, 0f);
    }

    ConstantVolumeJointDef cvjd = new ConstantVolumeJointDef();

    float cx = 0.0f;
    float cy = 10.0f;
    float rx = 5.0f;
    float ry = 5.0f;
    int nBodies = 20;
    float bodyRadius = 0.5f;
    for (int i = 0; i < nBodies; ++i) {
      float angle = MathUtils.map(i, 0, nBodies, 0, 2 * 3.1415f);
      BodyDef bd = new BodyDef();
      // bd.isBullet = true;
      bd.fixedRotation = true;

      float x = cx + rx * (float) Math.sin(angle);
      float y = cy + ry * (float) Math.cos(angle);
      bd.position.set(new Vec2(x, y));
      bd.type = BodyType.DYNAMIC;
      Body body = getWorld().createBody(bd);

      FixtureDef fd = new FixtureDef();
      CircleShape cd = new CircleShape();
      cd.m_radius = bodyRadius;
      fd.shape = cd;
      fd.density = 1.0f;
      body.createFixture(fd);
      cvjd.addBody(body);
    }

    cvjd.frequencyHz = 10.0f;
    cvjd.dampingRatio = 1.0f;
    cvjd.collideConnected = false;
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      ground.createFixture(sd, 0f);
      sd.setAsBox(0.4f, 50.0f, new Vec2(10.0f, 0.0f), 0.0f);
      ground.createFixture(sd, 0f);
    }

    ConstantVolumeJointDef cvjd = new ConstantVolumeJointDef();

    float cx = 0.0f;
    float cy = 10.0f;
    float rx = 5.0f;
    float ry = 5.0f;
    int nBodies = 20;
    float bodyRadius = 0.5f;
    for (int i = 0; i < nBodies; ++i) {
      float angle = MathUtils.map(i, 0, nBodies, 0, 2 * 3.1415f);
      BodyDef bd = new BodyDef();
      // bd.isBullet = true;
      bd.fixedRotation = true;

      float x = cx + rx * (float) Math.sin(angle);
      float y = cy + ry * (float) Math.cos(angle);
      bd.position.set(new Vec2(x, y));
      bd.type = BodyType.DYNAMIC;
      Body body = getWorld().createBody(bd);

      FixtureDef fd = new FixtureDef();
      CircleShape cd = new CircleShape();
      cd.m_radius = bodyRadius;
      fd.shape = cd;
      fd.density = 1.0f;
      body.createFixture(fd);
      cvjd.addBody(body);
    }

    cvjd.frequencyHz = 10.0f;
    cvjd.dampingRatio = 1.0f;
    cvjd.collideConnected = false;
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        def.localAnchorB.set(pbToVec(joint.getLocalAnchorB()));
        def.maxLength = joint.getMaxLength();
        return null;
      }
      case CONSTANT_VOLUME: {
        ConstantVolumeJointDef def = new ConstantVolumeJointDef();
        jd = def;
        def.dampingRatio = joint.getDampingRatio();
        def.frequencyHz = joint.getFrequency();
        if (joint.getBodiesCount() != joint.getJointsCount()) {
          throw new IllegalArgumentException(
              "Constant volume joint must have bodies and joints defined");
        }
        for (int i = 0; i < joint.getBodiesCount(); i++) {
          int body = joint.getBodies(i);
          if (!argBodyMap.containsKey(body)) {
            throw new IllegalArgumentException("Index " + body + " is not present in the body map");
          }
          int jointIndex = joint.getJoints(i);
          if (!jointMap.containsKey(jointIndex)) {
            throw new IllegalArgumentException("Index " + jointIndex
                + " is not present in the joint map");
          }
          Joint djoint = jointMap.get(jointIndex);
          if (!(djoint instanceof DistanceJoint)) {
            throw new IllegalArgumentException(
                "Joints for constant volume joint must be distance joints");
          }
          def.addBodyAndJoint(argBodyMap.get(body), (DistanceJoint) djoint);
        }
        break;
      }
      case LINE: {
        UnsupportedObjectException e =
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