A distance joint contrains two points on two bodies to remain at a fixed distance from each other. You can view this as a massless, rigid rod.
Inheritance: Joint
コード例 #1
0
ファイル: SliderJointTest.cs プロジェクト: h7ing/CocosSharp
        private SliderJointTest()
        {
            BodyFactory.CreateEdge(World, new Vector2(-40, 0), new Vector2(40, 0));

            Body fA = BodyFactory.CreateRectangle(World, 4, 4, 1, new Vector2(-5, 4));
            fA.BodyType = BodyType.Dynamic;

            Body fB = BodyFactory.CreateRectangle(World, 4, 4, 1, new Vector2(5, 4));
            fB.BodyType = BodyType.Dynamic;

            SliderJoint joint = new SliderJoint(fA, fB, Vector2.Zero, Vector2.Zero, 5, 10);
            World.AddJoint(joint);
        }
コード例 #2
0
        /// <summary>
        /// Attaches the bodies with revolute joints.
        /// </summary>
        /// <param name="world">The world.</param>
        /// <param name="bodies">The bodies.</param>
        /// <param name="localAnchorA">The local anchor A.</param>
        /// <param name="localAnchorB">The local anchor B.</param>
        /// <param name="connectFirstAndLast">if set to <c>true</c> [connect first and last].</param>
        /// <param name="collideConnected">if set to <c>true</c> [collide connected].</param>
        public static void AttachBodiesWithSliderJoint(World world, List<Body> bodies, Vector2 localAnchorA,
                                                         Vector2 localAnchorB, bool connectFirstAndLast,
                                                         bool collideConnected, float minLength, float maxLength)
        {
            for (int i = 1; i < bodies.Count; i++)
            {
                SliderJoint joint = new SliderJoint(bodies[i], bodies[i - 1], localAnchorA, localAnchorB, minLength, maxLength);
                joint.CollideConnected = collideConnected;
                world.AddJoint(joint);
            }

            if (connectFirstAndLast)
            {
                SliderJoint lastjoint = new SliderJoint(bodies[0], bodies[bodies.Count - 1], localAnchorA, localAnchorB, minLength, maxLength);
                lastjoint.CollideConnected = collideConnected;
                world.AddJoint(lastjoint);
            }
        }
コード例 #3
0
ファイル: Serialization.cs プロジェクト: vvnurmi/assaultwing
        public void Deserialize(World world, Stream stream)
        {
            world.Clear();

            XMLFragmentElement root = XMLFragmentParser.LoadFromStream(stream);

            if (root.Name.ToLower() != "world")
                throw new Exception();

            foreach (XMLFragmentElement main in root.Elements)
            {
                if (main.Name.ToLower() == "gravity")
                {
                    world.Gravity = ReadVector(main);
                }
            }

            foreach (XMLFragmentElement shapeElement in root.Elements)
            {
                if (shapeElement.Name.ToLower() == "shapes")
                {
                    foreach (XMLFragmentElement n in shapeElement.Elements)
                    {
                        if (n.Name.ToLower() != "shape")
                            throw new Exception();

                        ShapeType type = (ShapeType)Enum.Parse(typeof(ShapeType), n.Attributes[0].Value, true);

                        switch (type)
                        {
                            case ShapeType.Circle:
                                {
                                    CircleShape shape = new CircleShape();

                                    foreach (XMLFragmentElement sn in n.Elements)
                                    {
                                        switch (sn.Name.ToLower())
                                        {
                                            case "radius":
                                                shape.Radius = float.Parse(sn.Value);
                                                break;
                                            case "position":
                                                shape.Position = ReadVector(sn);
                                                break;
                                            default:
                                                throw new Exception();
                                        }
                                    }

                                    _shapes.Add(shape);
                                }
                                break;
                            case ShapeType.Polygon:
                                {
                                    PolygonShape shape = new PolygonShape();

                                    foreach (XMLFragmentElement sn in n.Elements)
                                    {
                                        switch (sn.Name.ToLower())
                                        {
                                            case "vertices":
                                                {
                                                    List<Vector2> verts = new List<Vector2>();

                                                    foreach (XMLFragmentElement vert in sn.Elements)
                                                        verts.Add(ReadVector(vert));

                                                    shape.Set(new Vertices(verts.ToArray()));
                                                }
                                                break;
                                            case "centroid":
                                                shape.MassData.Centroid = ReadVector(sn);
                                                break;
                                        }
                                    }

                                    _shapes.Add(shape);
                                }
                                break;
                            case ShapeType.Edge:
                                {
                                    EdgeShape shape = new EdgeShape();
                                    foreach (XMLFragmentElement sn in n.Elements)
                                    {
                                        switch (sn.Name.ToLower())
                                        {
                                            case "hasvertex0":
                                                shape.HasVertex0 = bool.Parse(sn.Value);
                                                break;
                                            case "hasvertex3":
                                                shape.HasVertex0 = bool.Parse(sn.Value);
                                                break;
                                            case "vertex0":
                                                shape.Vertex0 = ReadVector(sn);
                                                break;
                                            case "vertex1":
                                                shape.Vertex1 = ReadVector(sn);
                                                break;
                                            case "vertex2":
                                                shape.Vertex2 = ReadVector(sn);
                                                break;
                                            case "vertex3":
                                                shape.Vertex3 = ReadVector(sn);
                                                break;
                                            default:
                                                throw new Exception();
                                        }
                                    }
                                    _shapes.Add(shape);
                                }
                                break;
                        }
                    }
                }
            }

            foreach (XMLFragmentElement fixtureElement in root.Elements)
            {
                if (fixtureElement.Name.ToLower() == "fixtures")
                {
                    foreach (XMLFragmentElement n in fixtureElement.Elements)
                    {
                        Fixture fixture = new Fixture();

                        if (n.Name.ToLower() != "fixture")
                            throw new Exception();

                        foreach (XMLFragmentElement sn in n.Elements)
                        {
                            switch (sn.Name.ToLower())
                            {
                                case "shape":
                                    fixture.Shape = _shapes[int.Parse(sn.Value)];
                                    break;
                                case "density":
                                    fixture.Shape.Density = float.Parse(sn.Value);
                                    break;
                                case "filterdata":
                                    foreach (XMLFragmentElement ssn in sn.Elements)
                                    {
                                        switch (ssn.Name.ToLower())
                                        {
                                            case "categorybits":
                                                fixture._collisionCategories = (Category)int.Parse(ssn.Value);
                                                break;
                                            case "maskbits":
                                                fixture._collidesWith = (Category)int.Parse(ssn.Value);
                                                break;
                                            case "groupindex":
                                                fixture._collisionGroup = short.Parse(ssn.Value);
                                                break;
                                        }
                                    }

                                    break;
                                case "friction":
                                    fixture.Friction = float.Parse(sn.Value);
                                    break;
                                case "issensor":
                                    fixture.IsSensor = bool.Parse(sn.Value);
                                    break;
                                case "restitution":
                                    fixture.Restitution = float.Parse(sn.Value);
                                    break;
                                case "userdata":
                                    fixture.UserData = ReadSimpleType(sn, null, false);
                                    break;
                            }
                        }

                        _fixtures.Add(fixture);
                    }
                }
            }

            foreach (XMLFragmentElement bodyElement in root.Elements)
            {
                if (bodyElement.Name.ToLower() == "bodies")
                {
                    foreach (XMLFragmentElement n in bodyElement.Elements)
                    {
                        Body body = new Body(world);

                        if (n.Name.ToLower() != "body")
                            throw new Exception();

                        body.BodyType = (BodyType)Enum.Parse(typeof(BodyType), n.Attributes[0].Value, true);

                        foreach (XMLFragmentElement sn in n.Elements)
                        {
                            switch (sn.Name.ToLower())
                            {
                                case "active":
                                    if (bool.Parse(sn.Value))
                                        body.Flags |= BodyFlags.Enabled;
                                    else
                                        body.Flags &= ~BodyFlags.Enabled;
                                    break;
                                case "allowsleep":
                                    body.SleepingAllowed = bool.Parse(sn.Value);
                                    break;
                                case "angle":
                                    {
                                        Vector2 position = body.Position;
                                        body.SetTransformIgnoreContacts(ref position, float.Parse(sn.Value));
                                    }
                                    break;
                                case "angulardamping":
                                    body.AngularDamping = float.Parse(sn.Value);
                                    break;
                                case "angularvelocity":
                                    body.AngularVelocity = float.Parse(sn.Value);
                                    break;
                                case "awake":
                                    body.Awake = bool.Parse(sn.Value);
                                    break;
                                case "bullet":
                                    body.IsBullet = bool.Parse(sn.Value);
                                    break;
                                case "fixedrotation":
                                    body.FixedRotation = bool.Parse(sn.Value);
                                    break;
                                case "lineardamping":
                                    body.LinearDamping = float.Parse(sn.Value);
                                    break;
                                case "linearvelocity":
                                    body.LinearVelocity = ReadVector(sn);
                                    break;
                                case "position":
                                    {
                                        float rotation = body.Rotation;
                                        Vector2 position = ReadVector(sn);
                                        body.SetTransformIgnoreContacts(ref position, rotation);
                                    }
                                    break;
                                case "userdata":
                                    body.UserData = ReadSimpleType(sn, null, false);
                                    break;
                                case "fixtures":
                                    {
                                        foreach (XMLFragmentElement v in sn.Elements)
                                        {
                                            Fixture blueprint = _fixtures[int.Parse(v.Value)];
                                            Fixture f = new Fixture(body, blueprint.Shape, blueprint.CollisionCategories);
                                            f.Restitution = blueprint.Restitution;
                                            f.UserData = blueprint.UserData;
                                            f.Friction = blueprint.Friction;
                                            f.CollidesWith = blueprint.CollidesWith;
                                            f.CollisionGroup = blueprint.CollisionGroup;
                                        }
                                        break;
                                    }
                            }
                        }

                        _bodies.Add(body);
                    }
                }
            }

            foreach (XMLFragmentElement jointElement in root.Elements)
            {
                if (jointElement.Name.ToLower() == "joints")
                {
                    foreach (XMLFragmentElement n in jointElement.Elements)
                    {
                        Joint joint;

                        if (n.Name.ToLower() != "joint")
                            throw new Exception();

                        JointType type = (JointType)Enum.Parse(typeof(JointType), n.Attributes[0].Value, true);

                        int bodyAIndex = -1, bodyBIndex = -1;
                        bool collideConnected = false;
                        object userData = null;

                        foreach (XMLFragmentElement sn in n.Elements)
                        {
                            switch (sn.Name.ToLower())
                            {
                                case "bodya":
                                    bodyAIndex = int.Parse(sn.Value);
                                    break;
                                case "bodyb":
                                    bodyBIndex = int.Parse(sn.Value);
                                    break;
                                case "collideconnected":
                                    collideConnected = bool.Parse(sn.Value);
                                    break;
                                case "userdata":
                                    userData = ReadSimpleType(sn, null, false);
                                    break;
                            }
                        }

                        Body bodyA = _bodies[bodyAIndex];
                        Body bodyB = _bodies[bodyBIndex];

                        switch (type)
                        {
                            case JointType.Distance:
                                joint = new DistanceJoint();
                                break;
                            case JointType.Friction:
                                joint = new FrictionJoint();
                                break;
                            case JointType.Line:
                                joint = new LineJoint();
                                break;
                            case JointType.Prismatic:
                                joint = new PrismaticJoint();
                                break;
                            case JointType.Pulley:
                                joint = new PulleyJoint();
                                break;
                            case JointType.Revolute:
                                joint = new RevoluteJoint();
                                break;
                            case JointType.Weld:
                                joint = new WeldJoint();
                                break;
                            case JointType.Rope:
                                joint = new RopeJoint();
                                break;
                            case JointType.Angle:
                                joint = new AngleJoint();
                                break;
                            case JointType.Slider:
                                joint = new SliderJoint();
                                break;
                            case JointType.Gear:
                                throw new Exception("GearJoint is not supported.");
                            default:
                                throw new Exception("Invalid or unsupported joint.");
                        }

                        joint.CollideConnected = collideConnected;
                        joint.UserData = userData;
                        joint.BodyA = bodyA;
                        joint.BodyB = bodyB;
                        _joints.Add(joint);
                        world.AddJoint(joint);

                        foreach (XMLFragmentElement sn in n.Elements)
                        {
                            // check for specific nodes
                            switch (type)
                            {
                                case JointType.Distance:
                                    {
                                        switch (sn.Name.ToLower())
                                        {
                                            case "dampingratio":
                                                ((DistanceJoint)joint).DampingRatio = float.Parse(sn.Value);
                                                break;
                                            case "frequencyhz":
                                                ((DistanceJoint)joint).Frequency = float.Parse(sn.Value);
                                                break;
                                            case "length":
                                                ((DistanceJoint)joint).Length = float.Parse(sn.Value);
                                                break;
                                            case "localanchora":
                                                ((DistanceJoint)joint).LocalAnchorA = ReadVector(sn);
                                                break;
                                            case "localanchorb":
                                                ((DistanceJoint)joint).LocalAnchorB = ReadVector(sn);
                                                break;
                                        }
                                    }
                                    break;
                                case JointType.Friction:
                                    {
                                        switch (sn.Name.ToLower())
                                        {
                                            case "localanchora":
                                                ((FrictionJoint)joint).LocalAnchorA = ReadVector(sn);
                                                break;
                                            case "localanchorb":
                                                ((FrictionJoint)joint).LocalAnchorB = ReadVector(sn);
                                                break;
                                            case "maxforce":
                                                ((FrictionJoint)joint).MaxForce = float.Parse(sn.Value);
                                                break;
                                            case "maxtorque":
                                                ((FrictionJoint)joint).MaxTorque = float.Parse(sn.Value);
                                                break;
                                        }
                                    }
                                    break;
                                case JointType.Line:
                                    {
                                        switch (sn.Name.ToLower())
                                        {
                                            case "enablemotor":
                                                ((LineJoint)joint).MotorEnabled = bool.Parse(sn.Value);
                                                break;
                                            case "localanchora":
                                                ((LineJoint)joint).LocalAnchorA = ReadVector(sn);
                                                break;
                                            case "localanchorb":
                                                ((LineJoint)joint).LocalAnchorB = ReadVector(sn);
                                                break;
                                            case "motorspeed":
                                                ((LineJoint)joint).MotorSpeed = float.Parse(sn.Value);
                                                break;
                                            case "dampingratio":
                                                ((LineJoint)joint).DampingRatio = float.Parse(sn.Value);
                                                break;
                                            case "maxmotortorque":
                                                ((LineJoint)joint).MaxMotorTorque = float.Parse(sn.Value);
                                                break;
                                            case "frequencyhz":
                                                ((LineJoint)joint).Frequency = float.Parse(sn.Value);
                                                break;
                                            case "localxaxis":
                                                ((LineJoint)joint).LocalXAxis = ReadVector(sn);
                                                break;
                                        }
                                    }
                                    break;
                                case JointType.Prismatic:
                                    {
                                        switch (sn.Name.ToLower())
                                        {
                                            case "enablelimit":
                                                ((PrismaticJoint)joint).LimitEnabled = bool.Parse(sn.Value);
                                                break;
                                            case "enablemotor":
                                                ((PrismaticJoint)joint).MotorEnabled = bool.Parse(sn.Value);
                                                break;
                                            case "localanchora":
                                                ((PrismaticJoint)joint).LocalAnchorA = ReadVector(sn);
                                                break;
                                            case "localanchorb":
                                                ((PrismaticJoint)joint).LocalAnchorB = ReadVector(sn);
                                                break;
                                            case "local1axis1":
                                                ((PrismaticJoint)joint).LocalXAxis1 = ReadVector(sn);
                                                break;
                                            case "maxmotorforce":
                                                ((PrismaticJoint)joint).MaxMotorForce = float.Parse(sn.Value);
                                                break;
                                            case "motorspeed":
                                                ((PrismaticJoint)joint).MotorSpeed = float.Parse(sn.Value);
                                                break;
                                            case "lowertranslation":
                                                ((PrismaticJoint)joint).LowerLimit = float.Parse(sn.Value);
                                                break;
                                            case "uppertranslation":
                                                ((PrismaticJoint)joint).UpperLimit = float.Parse(sn.Value);
                                                break;
                                            case "referenceangle":
                                                ((PrismaticJoint)joint).ReferenceAngle = float.Parse(sn.Value);
                                                break;
                                        }
                                    }
                                    break;
                                case JointType.Pulley:
                                    {
                                        switch (sn.Name.ToLower())
                                        {
                                            case "groundanchora":
                                                ((PulleyJoint)joint).GroundAnchorA = ReadVector(sn);
                                                break;
                                            case "groundanchorb":
                                                ((PulleyJoint)joint).GroundAnchorB = ReadVector(sn);
                                                break;
                                            case "lengtha":
                                                ((PulleyJoint)joint).LengthA = float.Parse(sn.Value);
                                                break;
                                            case "lengthb":
                                                ((PulleyJoint)joint).LengthB = float.Parse(sn.Value);
                                                break;
                                            case "localanchora":
                                                ((PulleyJoint)joint).LocalAnchorA = ReadVector(sn);
                                                break;
                                            case "localanchorb":
                                                ((PulleyJoint)joint).LocalAnchorB = ReadVector(sn);
                                                break;
                                            case "maxlengtha":
                                                ((PulleyJoint)joint).MaxLengthA = float.Parse(sn.Value);
                                                break;
                                            case "maxlengthb":
                                                ((PulleyJoint)joint).MaxLengthB = float.Parse(sn.Value);
                                                break;
                                            case "ratio":
                                                ((PulleyJoint)joint).Ratio = float.Parse(sn.Value);
                                                break;
                                        }
                                    }
                                    break;
                                case JointType.Revolute:
                                    {
                                        switch (sn.Name.ToLower())
                                        {
                                            case "enablelimit":
                                                ((RevoluteJoint)joint).LimitEnabled = bool.Parse(sn.Value);
                                                break;
                                            case "enablemotor":
                                                ((RevoluteJoint)joint).MotorEnabled = bool.Parse(sn.Value);
                                                break;
                                            case "localanchora":
                                                ((RevoluteJoint)joint).LocalAnchorA = ReadVector(sn);
                                                break;
                                            case "localanchorb":
                                                ((RevoluteJoint)joint).LocalAnchorB = ReadVector(sn);
                                                break;
                                            case "maxmotortorque":
                                                ((RevoluteJoint)joint).MaxMotorTorque = float.Parse(sn.Value);
                                                break;
                                            case "motorspeed":
                                                ((RevoluteJoint)joint).MotorSpeed = float.Parse(sn.Value);
                                                break;
                                            case "lowerangle":
                                                ((RevoluteJoint)joint).LowerLimit = float.Parse(sn.Value);
                                                break;
                                            case "upperangle":
                                                ((RevoluteJoint)joint).UpperLimit = float.Parse(sn.Value);
                                                break;
                                            case "referenceangle":
                                                ((RevoluteJoint)joint).ReferenceAngle = float.Parse(sn.Value);
                                                break;
                                        }
                                    }
                                    break;
                                case JointType.Weld:
                                    {
                                        switch (sn.Name.ToLower())
                                        {
                                            case "localanchora":
                                                ((WeldJoint)joint).LocalAnchorA = ReadVector(sn);
                                                break;
                                            case "localanchorb":
                                                ((WeldJoint)joint).LocalAnchorB = ReadVector(sn);
                                                break;
                                        }
                                    }
                                    break;
                                case JointType.Rope:
                                    {
                                        switch (sn.Name.ToLower())
                                        {
                                            case "localanchora":
                                                ((RopeJoint)joint).LocalAnchorA = ReadVector(sn);
                                                break;
                                            case "localanchorb":
                                                ((RopeJoint)joint).LocalAnchorB = ReadVector(sn);
                                                break;
                                            case "maxlength":
                                                ((RopeJoint)joint).MaxLength = float.Parse(sn.Value);
                                                break;
                                        }
                                    }
                                    break;
                                case JointType.Gear:
                                    throw new Exception("Gear joint is unsupported");
                                case JointType.Angle:
                                    {
                                        switch (sn.Name.ToLower())
                                        {
                                            case "biasfactor":
                                                ((AngleJoint)joint).BiasFactor = float.Parse(sn.Value);
                                                break;
                                            case "maximpulse":
                                                ((AngleJoint)joint).MaxImpulse = float.Parse(sn.Value);
                                                break;
                                            case "softness":
                                                ((AngleJoint)joint).Softness = float.Parse(sn.Value);
                                                break;
                                            case "targetangle":
                                                ((AngleJoint)joint).TargetAngle = float.Parse(sn.Value);
                                                break;
                                        }
                                    }
                                    break;
                                case JointType.Slider:
                                    {
                                        switch (sn.Name.ToLower())
                                        {
                                            case "dampingratio":
                                                ((SliderJoint)joint).DampingRatio = float.Parse(sn.Value);
                                                break;
                                            case "frequencyhz":
                                                ((SliderJoint)joint).Frequency = float.Parse(sn.Value);
                                                break;
                                            case "maxlength":
                                                ((SliderJoint)joint).MaxLength = float.Parse(sn.Value);
                                                break;
                                            case "minlength":
                                                ((SliderJoint)joint).MinLength = float.Parse(sn.Value);
                                                break;
                                            case "localanchora":
                                                ((SliderJoint)joint).LocalAnchorA = ReadVector(sn);
                                                break;
                                            case "localanchorb":
                                                ((SliderJoint)joint).LocalAnchorB = ReadVector(sn);
                                                break;
                                        }
                                    }
                                    break;
                            }
                        }
                    }
                }
            }
        }
コード例 #4
0
ファイル: JointFactory.cs プロジェクト: HaKDMoDz/Zazumo
 public static SliderJoint CreateSliderJoint(World world, Body bodyA, Body bodyB, Vector2 anchorA,
                                             Vector2 anchorB, float minLength, float maxLength)
 {
     SliderJoint sliderJoint = new SliderJoint(bodyA, bodyB, anchorA, anchorB, minLength, maxLength);
     world.AddJoint(sliderJoint);
     return sliderJoint;
 }
コード例 #5
0
ファイル: PathManager.cs プロジェクト: kbo4sho/SwingSets.WP7
        /// <summary>
        /// Attaches the bodies with revolute joints.
        /// </summary>
        /// <param name="world">The world.</param>
        /// <param name="bodies">The bodies.</param>
        /// <param name="localAnchorA">The local anchor A.</param>
        /// <param name="localAnchorB">The local anchor B.</param>
        /// <param name="connectFirstAndLast">if set to <c>true</c> [connect first and last].</param>
        /// <param name="collideConnected">if set to <c>true</c> [collide connected].</param>
        /// <param name="minLength">Minimum length of the slider joint.</param>
        /// <param name="maxLength">Maximum length of the slider joint.</param>
        /// <returns></returns>
        public static List<SliderJoint> AttachBodiesWithSliderJoint(World world, List<Body> bodies, Vector2 localAnchorA,
                                                                    Vector2 localAnchorB, bool connectFirstAndLast,
                                                                    bool collideConnected, float minLength,
                                                                    float maxLength, float bias)
        {
            List<SliderJoint> joints = new List<SliderJoint>(bodies.Count + 1);

            for (int i = 1; i < bodies.Count; i++)
            {
                SliderJoint joint = new SliderJoint(bodies[i], bodies[i - 1], localAnchorA, localAnchorB, minLength,
                                                    maxLength, bias);
                joint.CollideConnected = collideConnected;
                world.AddJoint(joint);
                joints.Add(joint);
            }

            if (connectFirstAndLast)
            {
                SliderJoint lastjoint = new SliderJoint(bodies[0], bodies[bodies.Count - 1], localAnchorA, localAnchorB,
                                                        minLength, maxLength, bias);
                lastjoint.CollideConnected = collideConnected;
                world.AddJoint(lastjoint);
                joints.Add(lastjoint);
            }

            return joints;
        }
コード例 #6
0
        //#region BulletCollisionEvent
        //protected bool FireBulletCollison(Fixture fix1, Fixture fix2)
        //{
        //    joint1.Enabled = false;
        //    PlayerDamageTaken(30);
        //    BulletDamage(this, EventArgs.Empty);
        //    return true;
        //}
        //#endregion

        //#region DamageTakenEvents
        //public void FireDamageTaken(object sender, EventArgs e)
        //{
        //    if (joint1 != null && CanRemoveJoint)
        //    {
        //        CanRemoveJoint = false;
        //        this.World.RemoveJoint(joint1);
        //        Console.WriteLine("Joint Removed From Damage");
        //        PlayerDamageTaken(30);
        //    }
        //}
        //#endregion

        //#region PLayerDefeated
        //public void FirePlayerDefeated()
        //{
        //    ScreenManager.AddScreen(endscreen, null);

        //}
        //#endregion

        public override void UnloadContent()
        {
            joint1 = null;
            swinger = null;
            hookpointmanager.Reset();
            iHUD.IsEnabled(false);
            base.UnloadContent();

        }
コード例 #7
0
 private void CreateJoint(Vector2 p)
 {
     if (isTutorialA)
     {
         iHUD.ShowMessage("USE MOMENTUM TO LOOP AROUND THE POINT", true);
         isTutorialA = false;
     }
     joint1.Enabled = true;
     joint1 = JointFactory.CreateSliderJoint(World, this.joint1.BodyA, hookpointmanager.GetHookPointFromPosition(p)._hookPointBody, Vector2.Zero, Vector2.Zero, 8, 8, .02f);
     CanRemoveJoint = true;
 }
コード例 #8
0
 protected void AddJoint()
 {
     if (joint1 == null)
     {
         joint1 = JointFactory.CreateSliderJoint(World, swinger.Body, hookpointmanager.GetHookPointBodyFromIndex(1), Vector2.Zero, Vector2.Zero, 8, 8,0f);
         joint1.DampingRatio = 1;
     }
 }
コード例 #9
0
        public static Joint CopyJoint(Joint joint, Body bodyA, Body bodyB, World world)
        {
            Joint newJoint = null;

            switch (joint.JointType)
            {
                case JointType.Angle:
                    newJoint = JointFactory.CreateAngleJoint(world, bodyA, bodyB);
                    break;
                case JointType.Distance:
                    newJoint = new DistanceJoint(bodyA, bodyB, bodyA.WorldCenter, bodyB.WorldCenter);
                    break;
                case JointType.FixedAngle:
                    newJoint = new FixedAngleJoint(bodyA);
                    break;
                case JointType.FixedDistance:
                    newJoint = new FixedDistanceJoint(bodyA, bodyA.WorldCenter, Vector2.Zero);
                    break;
                case JointType.FixedFriction:
                    newJoint = new FixedFrictionJoint(bodyA, bodyA.WorldCenter);
                    break;
                case JointType.FixedPrismatic:
                    var fpJoint = joint as FixedPrismaticJoint;
                    var fpAxis = fpJoint.LocalXAxis1;
                    newJoint = new FixedPrismaticJoint(bodyA, bodyA.WorldCenter, fpAxis);
                    break;
                case JointType.FixedRevolute:
                    newJoint = new FixedRevoluteJoint(bodyA, bodyA.WorldCenter, Vector2.Zero);
                    break;
                case JointType.Friction:
                    newJoint = new FrictionJoint(bodyA, bodyB, bodyA.WorldCenter, bodyB.WorldCenter);
                    break;
                case JointType.Line:
                    var lineJoint = joint as LineJoint;
                    var axis = lineJoint.LocalXAxis;
                    newJoint = new LineJoint(bodyA, bodyB, bodyA.WorldCenter, axis);
                    break;
                case JointType.Prismatic:
                    var pJoint = joint as PrismaticJoint;
                    var pAxis = pJoint.LocalXAxis1;
                    newJoint = new PrismaticJoint(bodyA, bodyB, bodyA.WorldCenter, bodyB.WorldCenter, pAxis);
                    ((PrismaticJoint)newJoint).LimitEnabled = pJoint.LimitEnabled;
                    ((PrismaticJoint)newJoint).MotorEnabled = pJoint.MotorEnabled;
                    ((PrismaticJoint)newJoint).MaxMotorForce = pJoint.MaxMotorForce;
                    ((PrismaticJoint)newJoint).MotorSpeed = pJoint.MotorSpeed;
                    ((PrismaticJoint)newJoint).LowerLimit = pJoint.LowerLimit;
                    ((PrismaticJoint)newJoint).UpperLimit = pJoint.UpperLimit;
                    ((PrismaticJoint)newJoint).ReferenceAngle = pJoint.ReferenceAngle;
                    ((PrismaticJoint)newJoint).LocalXAxis1 = pJoint.LocalXAxis1;
                    break;
                case JointType.Pulley:
                    var pulleyJoint = joint as PulleyJoint;
                    var ratio = pulleyJoint.Ratio;
                    newJoint = new PulleyJoint(bodyA, bodyB, Vector2.Zero, Vector2.Zero, bodyA.WorldCenter, bodyB.WorldCenter, ratio);
                    break;
                case JointType.Revolute:
                    newJoint = new RevoluteJoint(bodyA, bodyB, bodyA.WorldCenter, bodyB.WorldCenter);
                    break;
                case JointType.Slider:
                    var sliderJoint = joint as SliderJoint;
                    var minLength = sliderJoint.MinLength;
                    var maxLength = sliderJoint.MaxLength;
                    newJoint = new SliderJoint(bodyA, bodyB, bodyA.WorldCenter, bodyB.WorldCenter, minLength, maxLength);
                    break;
                case JointType.Weld:
                    newJoint = new WeldJoint(bodyA, bodyB, bodyA.WorldCenter, bodyB.WorldCenter);
                    break;
            }

            var data = new FarseerJointUserData();
            data.BodyAName = ((FarseerJointUserData) joint.UserData).BodyAName;
            data.BodyBName = ((FarseerJointUserData) joint.UserData).BodyBName;

            joint.UserData = data;

            return newJoint;
        }