Package org.jbox2d.collision.shapes

Examples of org.jbox2d.collision.shapes.PolygonShape

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      bd.type = BodyType.DYNAMIC;
      bd.position.set(0.0f, 40.0f);
      bd.angle = 0.25f * MathUtils.PI;
      m_body1 = getWorld().createBody(bd);

      m_shape1 = new PolygonShape();
      m_shape1.setAsBox(0.5f, 0.5f, new Vec2(-0.5f, 0.0f), 0.0f);
      m_piece1 = m_body1.createFixture(m_shape1, 1.0f);

      m_shape2 = new PolygonShape();
      m_shape2.setAsBox(0.5f, 0.5f, new Vec2(0.5f, 0.0f), 0.0f);
      m_piece2 = m_body1.createFixture(m_shape2, 1.0f);
    }

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

    {
      PolygonShape shape = new PolygonShape();
      shape.setAsBox(0.6f, 0.125f);

      FixtureDef fd = new FixtureDef();
      fd.shape = shape;
      fd.density = 20.0f;
      fd.friction = 0.2f;
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    {
      BodyDef bd = new BodyDef();
      bd.position.set(-5.0f, 5.0f);
      Body body = getWorld().createBody(bd);

      PolygonShape shape = new PolygonShape();
      shape.setAsBox(10.0f, 0.5f);

      FixtureDef fd = new FixtureDef();
      fd.shape = shape;
      fd.friction = 0.8f;
      m_platform = body.createFixture(fd);
    }

    // Boxes
    for (int i = 0; i < 5; ++i) {
      BodyDef bd = new BodyDef();
      bd.type = BodyType.DYNAMIC;
      bd.position.set(-10.0f + 2.0f * i, 7.0f);
      Body body = m_world.createBody(bd);

      PolygonShape shape = new PolygonShape();
      shape.setAsBox(0.5f, 0.5f);
      body.createFixture(shape, 20.0f);
    }
  }
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  @Override
  public void initTest(boolean deserialized) {
    {
      {
        PolygonShape shape = new PolygonShape();
        Vec2[] vertices =
            new Vec2[] {new Vec2(-40, -10), new Vec2(40, -10), new Vec2(40, 0), new Vec2(-40, 0)};
        shape.set(vertices, 4);
        getGroundBody().createFixture(shape, 0.0f);
      }

      {
        PolygonShape shape = new PolygonShape();
        Vec2[] vertices =
            {new Vec2(-40, -1), new Vec2(-20, -1), new Vec2(-20, 20), new Vec2(-40, 30)};
        shape.set(vertices, 4);
        getGroundBody().createFixture(shape, 0.0f);
      }

      {
        PolygonShape shape = new PolygonShape();
        Vec2[] vertices = {new Vec2(20, -1), new Vec2(40, -1), new Vec2(40, 30), new Vec2(20, 20)};
        shape.set(vertices, 4);
        getGroundBody().createFixture(shape, 0.0f);
      }
    }

    m_world.setParticleRadius(0.35f);
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    {
      Vec2 vertices[] = new Vec2[3];
      vertices[0] = new Vec2(-0.5f, 0.0f);
      vertices[1] = new Vec2(0.5f, 0.0f);
      vertices[2] = new Vec2(0.0f, 1.5f);
      m_polygons[0] = new PolygonShape();
      m_polygons[0].set(vertices, 3);
    }

    {
      Vec2 vertices[] = new Vec2[3];
      vertices[0] = new Vec2(-0.1f, 0.0f);
      vertices[1] = new Vec2(0.1f, 0.0f);
      vertices[2] = new Vec2(0.0f, 1.5f);
      m_polygons[1] = new PolygonShape();
      m_polygons[1].set(vertices, 3);
    }

    {
      float w = 1.0f;
      float b = w / (2.0f + MathUtils.sqrt(2.0f));
      float s = MathUtils.sqrt(2.0f) * b;

      Vec2 vertices[] = new Vec2[8];
      vertices[0] = new Vec2(0.5f * s, 0.0f);
      vertices[1] = new Vec2(0.5f * w, b);
      vertices[2] = new Vec2(0.5f * w, b + s);
      vertices[3] = new Vec2(0.5f * s, w);
      vertices[4] = new Vec2(-0.5f * s, w);
      vertices[5] = new Vec2(-0.5f * w, b + s);
      vertices[6] = new Vec2(-0.5f * w, b);
      vertices[7] = new Vec2(-0.5f * s, 0.0f);

      m_polygons[2] = new PolygonShape();
      m_polygons[2].set(vertices, 8);
    }

    {
      m_polygons[3] = new PolygonShape();
      m_polygons[3].setAsBox(0.5f, 0.5f);
    }

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

    {
      PolygonShape shape = new PolygonShape();
      shape.setAsBox(2.0f, 0.5f);

      BodyDef bd = new BodyDef();
      bd.type = BodyType.DYNAMIC;
      bd.position.set(-10.0f, 10.0f);
      bd.angle = 0.5f * MathUtils.PI;
 
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      BodyDef bd = new BodyDef();
      bd.position.set(140.0f, 1.0f);
      bd.type = BodyType.DYNAMIC;
      Body body = m_world.createBody(bd);

      PolygonShape box = new PolygonShape();
      box.setAsBox(10.0f, 0.25f);
      body.createFixture(box, 1.0f);

      RevoluteJointDef jd = new RevoluteJointDef();
      jd.initialize(ground, body, body.getPosition());
      jd.lowerAngle = -8.0f * MathUtils.PI / 180.0f;
      jd.upperAngle = 8.0f * MathUtils.PI / 180.0f;
      jd.enableLimit = true;
      m_world.createJoint(jd);

      body.applyAngularImpulse(100.0f);
    }

    // Bridge
    {
      int N = 20;
      PolygonShape shape = new PolygonShape();
      shape.setAsBox(1.0f, 0.125f);

      FixtureDef fd = new FixtureDef();
      fd.shape = shape;
      fd.density = 1.0f;
      fd.friction = 0.6f;

      RevoluteJointDef jd = new RevoluteJointDef();

      Body prevBody = ground;
      for (int i = 0; i < N; ++i) {
        BodyDef bd = new BodyDef();
        bd.type = BodyType.DYNAMIC;
        bd.position.set(161.0f + 2.0f * i, -0.125f);
        Body body = m_world.createBody(bd);
        body.createFixture(fd);

        Vec2 anchor = new Vec2(160.0f + 2.0f * i, -0.125f);
        jd.initialize(prevBody, body, anchor);
        m_world.createJoint(jd);

        prevBody = body;
      }

      Vec2 anchor = new Vec2(160.0f + 2.0f * N, -0.125f);
      jd.initialize(prevBody, ground, anchor);
      m_world.createJoint(jd);
    }

    // Boxes
    {
      PolygonShape box = new PolygonShape();
      box.setAsBox(0.5f, 0.5f);

      Body body = null;
      BodyDef bd = new BodyDef();
      bd.type = BodyType.DYNAMIC;

      bd.position.set(230.0f, 0.5f);
      body = m_world.createBody(bd);
      body.createFixture(box, 0.5f);

      bd.position.set(230.0f, 1.5f);
      body = m_world.createBody(bd);
      body.createFixture(box, 0.5f);

      bd.position.set(230.0f, 2.5f);
      body = m_world.createBody(bd);
      body.createFixture(box, 0.5f);

      bd.position.set(230.0f, 3.5f);
      body = m_world.createBody(bd);
      body.createFixture(box, 0.5f);

      bd.position.set(230.0f, 4.5f);
      body = m_world.createBody(bd);
      body.createFixture(box, 0.5f);
    }

    // Car
    {
      PolygonShape chassis = new PolygonShape();
      Vec2 vertices[] = new Vec2[8];
      vertices[0] = new Vec2(-1.5f, -0.5f);
      vertices[1] = new Vec2(1.5f, -0.5f);
      vertices[2] = new Vec2(1.5f, 0.0f);
      vertices[3] = new Vec2(0.0f, 0.9f);
      vertices[4] = new Vec2(-1.15f, 0.9f);
      vertices[5] = new Vec2(-1.5f, 0.2f);
      chassis.set(vertices, 6);

      CircleShape circle = new CircleShape();
      circle.m_radius = 0.4f;

      BodyDef bd = new BodyDef();
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    {
      Vec2 vertices[] = new Vec2[3];
      vertices[0] = new Vec2(-0.5f, 0.0f);
      vertices[1] = new Vec2(0.5f, 0.0f);
      vertices[2] = new Vec2(0.0f, 1.5f);
      m_polygons[0] = new PolygonShape();
      m_polygons[0].set(vertices, 3);
    }

    {
      Vec2 vertices[] = new Vec2[3];
      vertices[0] = new Vec2(-0.1f, 0.0f);
      vertices[1] = new Vec2(0.1f, 0.0f);
      vertices[2] = new Vec2(0.0f, 1.5f);
      m_polygons[1] = new PolygonShape();
      m_polygons[1].set(vertices, 3);
    }

    {
      float w = 1.0f;
      float b = w / (2.0f + MathUtils.sqrt(2.0f));
      float s = MathUtils.sqrt(2.0f) * b;

      Vec2 vertices[] = new Vec2[8];
      vertices[0] = new Vec2(0.5f * s, 0.0f);
      vertices[1] = new Vec2(0.5f * w, b);
      vertices[2] = new Vec2(0.5f * w, b + s);
      vertices[3] = new Vec2(0.5f * s, w);
      vertices[4] = new Vec2(-0.5f * s, w);
      vertices[5] = new Vec2(-0.5f * w, b + s);
      vertices[6] = new Vec2(-0.5f * w, b);
      vertices[7] = new Vec2(-0.5f * s, 0.0f);

      m_polygons[2] = new PolygonShape();
      m_polygons[2].set(vertices, 8);
    }

    {
      m_polygons[3] = new PolygonShape();
      m_polygons[3].setAsBox(0.5f, 0.5f);
    }

    {
      m_circle = new CircleShape();
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        debugDraw.drawCircle(center, radius, color);
      }
        break;

      case POLYGON: {
        PolygonShape poly = (PolygonShape) fixture.getShape();
        int vertexCount = poly.m_count;
        assert (vertexCount <= Settings.maxPolygonVertices);
        Vec2 vertices[] = new Vec2[Settings.maxPolygonVertices];

        for (int i = 0; i < vertexCount; ++i) {
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    {
      BodyDef bd = new BodyDef();
      bd.position.set(0.0f, 10.0f);
      Body body = getWorld().createBody(bd);

      PolygonShape shape = new PolygonShape();
      shape.setAsBox(3.0f, 0.5f);
      m_platform = body.createFixture(shape, 0.0f);

      m_bottom = 10.0f - 0.5f;
      m_top = 10.0f + 0.5f;
    }
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