Exemple #1
0
        public override void initTest(bool argDeserialized)
        {
            if (argDeserialized)
            {
                return;
            }
            Body ground = null;
            {
                BodyDef bd = new BodyDef();
                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);
            }

            {
                PolygonShape shape = new PolygonShape();
                shape.setAsBox(0.5f, 0.125f);

                FixtureDef fd = new FixtureDef();
                fd.shape = shape;
                fd.density = 20.0f;

                WeldJointDef jd = new WeldJointDef();

                Body prevBody = ground;
                for (int i = 0; i < e_count; ++i)
                {
                    BodyDef bd = new BodyDef();
                    bd.type = BodyType.DYNAMIC;
                    bd.position.set(-14.5f + 1.0f*i, 5.0f);
                    Body body = getWorld().createBody(bd);
                    body.createFixture(fd);

                    Vec2 anchor = new Vec2(-15.0f + 1.0f*i, 5.0f);
                    jd.initialize(prevBody, body, anchor);
                    getWorld().createJoint(jd);

                    prevBody = body;
                }
            }

            {
                PolygonShape shape = new PolygonShape();
                shape.setAsBox(1f, 0.125f);

                FixtureDef fd = new FixtureDef();
                fd.shape = shape;
                fd.density = 20.0f;

                WeldJointDef jd = new WeldJointDef();
                jd.frequencyHz = 5f;
                jd.dampingRatio = .7f;

                Body prevBody = ground;
                for (int i = 0; i < 3; ++i)
                {
                    BodyDef bd = new BodyDef();
                    bd.type = BodyType.DYNAMIC;
                    bd.position.set(-14.0f + 2.0f*i, 15.0f);
                    Body body = getWorld().createBody(bd);
                    body.createFixture(fd);

                    Vec2 anchor = new Vec2(-15.0f + 2.0f*i, 15.0f);
                    jd.initialize(prevBody, body, anchor);
                    getWorld().createJoint(jd);

                    prevBody = body;
                }
            }

            {
                PolygonShape shape = new PolygonShape();
                shape.setAsBox(0.5f, 0.125f);

                FixtureDef fd = new FixtureDef();
                fd.shape = shape;
                fd.density = 20.0f;

                WeldJointDef jd = new WeldJointDef();

                Body prevBody = ground;
                for (int i = 0; i < e_count; ++i)
                {
                    BodyDef bd = new BodyDef();
                    bd.type = BodyType.DYNAMIC;
                    bd.position.set(-4.5f + 1.0f*i, 5.0f);
                    Body body = getWorld().createBody(bd);
                    body.createFixture(fd);

                    if (i > 0)
                    {
                        Vec2 anchor = new Vec2(-5.0f + 1.0f*i, 5.0f);
                        jd.initialize(prevBody, body, anchor);
                        getWorld().createJoint(jd);
                    }

                    prevBody = body;
                }
            }

            {
                PolygonShape shape = new PolygonShape();
                shape.setAsBox(0.5f, 0.125f);

                FixtureDef fd = new FixtureDef();
                fd.shape = shape;
                fd.density = 20.0f;

                WeldJointDef jd = new WeldJointDef();
                jd.frequencyHz = 8f;
                jd.dampingRatio = .7f;

                Body prevBody = ground;
                for (int i = 0; i < e_count; ++i)
                {
                    BodyDef bd = new BodyDef();
                    bd.type = BodyType.DYNAMIC;
                    bd.position.set(5.5f + 1.0f*i, 10.0f);
                    Body body = getWorld().createBody(bd);
                    body.createFixture(fd);

                    if (i > 0)
                    {
                        Vec2 anchor = new Vec2(5.0f + 1.0f*i, 10.0f);
                        jd.initialize(prevBody, body, anchor);
                        getWorld().createJoint(jd);
                    }

                    prevBody = body;
                }
            }

            for (int i = 0; i < 2; ++i)
            {
                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);

                PolygonShape shape = new PolygonShape();
                shape.set(vertices, 3);

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

                BodyDef bd = new BodyDef();
                bd.type = BodyType.DYNAMIC;
                bd.position.set(-8.0f + 8.0f*i, 12.0f);
                Body body = getWorld().createBody(bd);
                body.createFixture(fd);
            }

            for (int i = 0; i < 2; ++i)
            {
                CircleShape shape = new CircleShape();
                shape.m_radius = 0.5f;

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

                BodyDef bd = new BodyDef();
                bd.type = BodyType.DYNAMIC;
                bd.position.set(-6.0f + 6.0f*i, 10.0f);
                Body body = getWorld().createBody(bd);
                body.createFixture(fd);
            }
        }
Exemple #2
0
        internal WeldJoint(IWorldPool argWorld, WeldJointDef def)
            : base(argWorld, def)
        {
            m_localAnchorA = new Vec2(def.localAnchorA);
            m_localAnchorB = new Vec2(def.localAnchorB);
            m_referenceAngle = def.referenceAngle;
            m_frequencyHz = def.frequencyHz;
            m_dampingRatio = def.dampingRatio;

            m_impulse = new Vec3();
            m_impulse.setZero();
        }