Exemplo n.º 1
0
        public void Test2()
        {
            // Test following: A ray touches a plane at the ray-end. Then the plane moves so that
            // they are separated.

            PlaneRayAlgorithm algo = new PlaneRayAlgorithm(new CollisionDetection());

            // Plane in xz plane.
            CollisionObject plane = new CollisionObject(new GeometricObject
            {
                Shape = new PlaneShape(Vector3F.UnitY, 1),
                Pose  = new Pose(new Vector3F(0, -1, 0)),
            });

            // Ray
            CollisionObject ray = new CollisionObject(new GeometricObject
            {
                Shape = new RayShape(new Vector3F(0, 0, 0), new Vector3F(0, -1, 0), 10),
                Pose  = new Pose(new Vector3F(0, 10, 0)),
            });

            ContactSet contacts = algo.GetContacts(plane, ray);

            Assert.AreEqual(true, contacts.HaveContact);
            Assert.AreEqual(1, contacts.Count);
            Assert.AreEqual(10, contacts[0].PenetrationDepth);

            // Move plane less than contact position tolerance, but into a separated state.
            ((GeometricObject)plane.GeometricObject).Pose = new Pose(new Vector3F(0, -1.001f, 0));
            algo.UpdateClosestPoints(contacts, 0);
            Assert.AreEqual(false, contacts.HaveContact);
            Assert.AreEqual(1, contacts.Count);
            Assert.IsTrue(Numeric.AreEqual(-0.001f, contacts[0].PenetrationDepth));
        }
Exemplo n.º 2
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        public void Test2()
        {
            // Test following: A ray touches a plane at the ray-end. Then the plane moves so that
              // they are separated.

              PlaneRayAlgorithm algo = new PlaneRayAlgorithm(new CollisionDetection());

              // Plane in xz plane.
              CollisionObject plane = new CollisionObject(new GeometricObject
              {
            Shape = new PlaneShape(Vector3F.UnitY, 1),
            Pose = new Pose(new Vector3F(0, -1, 0)),
              });

              // Ray
              CollisionObject ray = new CollisionObject(new GeometricObject
              {
            Shape = new RayShape(new Vector3F(0, 0, 0), new Vector3F(0, -1, 0), 10),
            Pose = new Pose(new Vector3F(0, 10, 0)),
              });

              ContactSet contacts = algo.GetContacts(plane, ray);
              Assert.AreEqual(true, contacts.HaveContact);
              Assert.AreEqual(1, contacts.Count);
              Assert.AreEqual(10, contacts[0].PenetrationDepth);

              // Move plane less than contact position tolerance, but into a separated state.
              ((GeometricObject)plane.GeometricObject).Pose = new Pose(new Vector3F(0, -1.001f, 0));
              algo.UpdateClosestPoints(contacts, 0);
              Assert.AreEqual(false, contacts.HaveContact);
              Assert.AreEqual(1, contacts.Count);
              Assert.IsTrue(Numeric.AreEqual(-0.001f, contacts[0].PenetrationDepth));
        }
Exemplo n.º 3
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        public void Test1()
        {
            PlaneRayAlgorithm algo = new PlaneRayAlgorithm(new CollisionDetection());

            // Plane in xz plane.
            CollisionObject a = new CollisionObject(new GeometricObject
            {
                Shape = new PlaneShape(Vector3F.UnitY, 1),
                Pose  = new Pose(new Vector3F(0, -1, 0)),
            });

            // Ray
            CollisionObject b = new CollisionObject(new GeometricObject
            {
                Shape = new RayShape(new Vector3F(0, 0, 0), new Vector3F(-1, 0, 0), 100),
                Pose  = new Pose(new Vector3F(0, 1, 0)),
            });

            // Separated
            Assert.AreEqual(false, algo.HaveContact(a, b));
            Assert.AreEqual(false, algo.HaveContact(b, a));
            Assert.AreEqual(0, algo.GetContacts(a, b).Count);
            Assert.AreEqual(-1, algo.GetClosestPoints(a, b)[0].PenetrationDepth);

            // Contained
            ((GeometricObject)b.GeometricObject).Pose = new Pose(new Vector3F(0, -1, 0));
            Assert.AreEqual(true, algo.HaveContact(a, b));
            Assert.AreEqual(true, algo.HaveContact(b, a));
            Assert.AreEqual(1, algo.GetContacts(a, b).Count);
            Assert.AreEqual(0, algo.GetClosestPoints(a, b)[0].PenetrationDepth);

            // Touching
            ((GeometricObject)b.GeometricObject).Pose = new Pose(new Vector3F(0, 0, 0));
            Assert.AreEqual(true, algo.HaveContact(a, b));
            Assert.AreEqual(true, algo.HaveContact(b, a));
            Assert.AreEqual(1, algo.GetContacts(a, b).Count);
            Assert.AreEqual(0, algo.GetClosestPoints(a, b)[0].PenetrationDepth);


            // Shooting into plane.
            ((GeometricObject)b.GeometricObject).Pose = new Pose(new Vector3F(0, 1, 0), QuaternionF.CreateRotationZ(ConstantsF.PiOver2));
            Assert.AreEqual(1, algo.GetContacts(a, b).Count);
            Assert.AreEqual(1, algo.GetContacts(b, a)[0].PenetrationDepth);
            Assert.IsTrue(Vector3F.AreNumericallyEqual(new Vector3F(-1, 0, 0), algo.GetContacts(b, a)[0].PositionALocal));
            Assert.AreEqual(1, algo.GetClosestPoints(a, b)[0].PenetrationDepth);
        }
Exemplo n.º 4
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        public void Test1()
        {
            PlaneRayAlgorithm algo = new PlaneRayAlgorithm(new CollisionDetection());

              // Plane in xz plane.
              CollisionObject a = new CollisionObject(new GeometricObject
              {
            Shape = new PlaneShape(Vector3F.UnitY, 1),
            Pose = new Pose(new Vector3F(0, -1, 0)),
              });

              // Ray
              CollisionObject b = new CollisionObject(new GeometricObject
              {
            Shape = new RayShape(new Vector3F(0, 0, 0), new Vector3F(-1, 0, 0), 100),
            Pose = new Pose(new Vector3F(0, 1, 0)),
              });

              // Separated
              Assert.AreEqual(false, algo.HaveContact(a, b));
              Assert.AreEqual(false, algo.HaveContact(b, a));
              Assert.AreEqual(0, algo.GetContacts(a, b).Count);
              Assert.AreEqual(-1, algo.GetClosestPoints(a, b)[0].PenetrationDepth);

              // Contained
              ((GeometricObject)b.GeometricObject).Pose = new Pose(new Vector3F(0, -1, 0));
              Assert.AreEqual(true, algo.HaveContact(a, b));
              Assert.AreEqual(true, algo.HaveContact(b, a));
              Assert.AreEqual(1, algo.GetContacts(a, b).Count);
              Assert.AreEqual(0, algo.GetClosestPoints(a, b)[0].PenetrationDepth);

              // Touching
              ((GeometricObject)b.GeometricObject).Pose = new Pose(new Vector3F(0, 0, 0));
              Assert.AreEqual(true, algo.HaveContact(a, b));
              Assert.AreEqual(true, algo.HaveContact(b, a));
              Assert.AreEqual(1, algo.GetContacts(a, b).Count);
              Assert.AreEqual(0, algo.GetClosestPoints(a, b)[0].PenetrationDepth);

              // Shooting into plane.
              ((GeometricObject)b.GeometricObject).Pose = new Pose(new Vector3F(0, 1, 0), QuaternionF.CreateRotationZ(ConstantsF.PiOver2));
              Assert.AreEqual(1, algo.GetContacts(a, b).Count);
              Assert.AreEqual(1, algo.GetContacts(b, a)[0].PenetrationDepth);
              Assert.IsTrue(Vector3F.AreNumericallyEqual(new Vector3F(-1, 0, 0), algo.GetContacts(b, a)[0].PositionALocal));
              Assert.AreEqual(1, algo.GetClosestPoints(a, b)[0].PenetrationDepth);
        }
Exemplo n.º 5
0
        public CollisionAlgorithmMatrix(CollisionDetection collisionDetection)
        {
            // Initialize with dummy collision algorithms.
            var noAlgo       = new NoCollisionAlgorithm(collisionDetection);   // Definitely no collision wanted.
            var infiniteAlgo = new InfiniteShapeAlgorithm(collisionDetection); // Returns always a collision.

            // Build default configuration:
            var gjk                = new Gjk(collisionDetection);
            var gjkBoxAlgorithm    = new CombinedCollisionAlgorithm(collisionDetection, gjk, new BoxBoxAlgorithm(collisionDetection));
            var gjkMprAlgorithm    = new CombinedCollisionAlgorithm(collisionDetection, gjk, new MinkowskiPortalRefinement(collisionDetection));
            var gjkTriTriAlgorithm = new CombinedCollisionAlgorithm(collisionDetection, gjk, new TriangleTriangleAlgorithm(collisionDetection));

            BoxSphereAlgorithm        boxSphereAlgorithm        = new BoxSphereAlgorithm(collisionDetection);
            CompositeShapeAlgorithm   compositeAlgorithm        = new CompositeShapeAlgorithm(collisionDetection);
            HeightFieldAlgorithm      heightFieldAlgorithm      = new HeightFieldAlgorithm(collisionDetection);
            LineAlgorithm             lineAlgorithm             = new LineAlgorithm(collisionDetection);
            PlaneBoxAlgorithm         planeBoxAlgorithm         = new PlaneBoxAlgorithm(collisionDetection);
            PlaneConvexAlgorithm      planeConvexAlgorithm      = new PlaneConvexAlgorithm(collisionDetection);
            PlaneRayAlgorithm         planeRayAlgorithm         = new PlaneRayAlgorithm(collisionDetection);
            PlaneSphereAlgorithm      planeSphereAlgorithm      = new PlaneSphereAlgorithm(collisionDetection);
            RayBoxAlgorithm           rayBoxAlgorithm           = new RayBoxAlgorithm(collisionDetection);
            RayConvexAlgorithm        rayConvexAlgorithm        = new RayConvexAlgorithm(collisionDetection);
            RaySphereAlgorithm        raySphereAlgorithm        = new RaySphereAlgorithm(collisionDetection);
            RayTriangleAlgorithm      rayTriangleAlgorithm      = new RayTriangleAlgorithm(collisionDetection);
            SphereSphereAlgorithm     sphereSphereAlgorithm     = new SphereSphereAlgorithm(collisionDetection);
            TransformedShapeAlgorithm transformedShapeAlgorithm = new TransformedShapeAlgorithm(collisionDetection);
            TriangleMeshAlgorithm     triangleMeshAlgorithm     = new TriangleMeshAlgorithm(collisionDetection);
            RayCompositeAlgorithm     rayCompositeAlgorithm     = new RayCompositeAlgorithm(collisionDetection);
            RayTriangleMeshAlgorithm  rayTriangleMeshAlgorithm  = new RayTriangleMeshAlgorithm(collisionDetection);
            RayHeightFieldAlgorithm   rayHeightFieldAlgorithm   = new RayHeightFieldAlgorithm(collisionDetection);

            this[typeof(PointShape), typeof(PointShape)]        = gjkMprAlgorithm;
            this[typeof(PointShape), typeof(LineShape)]         = lineAlgorithm;
            this[typeof(PointShape), typeof(RayShape)]          = rayConvexAlgorithm;
            this[typeof(PointShape), typeof(LineSegmentShape)]  = gjkMprAlgorithm;
            this[typeof(PointShape), typeof(TriangleShape)]     = gjkMprAlgorithm;
            this[typeof(PointShape), typeof(RectangleShape)]    = gjkMprAlgorithm;
            this[typeof(PointShape), typeof(BoxShape)]          = gjkMprAlgorithm;
            this[typeof(PointShape), typeof(ConvexShape)]       = gjkMprAlgorithm;
            this[typeof(PointShape), typeof(ScaledConvexShape)] = gjkMprAlgorithm;
            this[typeof(PointShape), typeof(CircleShape)]       = gjkMprAlgorithm;
            this[typeof(PointShape), typeof(SphereShape)]       = gjkMprAlgorithm;
            this[typeof(PointShape), typeof(CapsuleShape)]      = gjkMprAlgorithm;
            this[typeof(PointShape), typeof(ConeShape)]         = gjkMprAlgorithm;
            this[typeof(PointShape), typeof(CylinderShape)]     = gjkMprAlgorithm;
            this[typeof(PointShape), typeof(EmptyShape)]        = noAlgo;
            this[typeof(PointShape), typeof(InfiniteShape)]     = infiniteAlgo;
            this[typeof(PointShape), typeof(PlaneShape)]        = planeConvexAlgorithm;
            this[typeof(PointShape), typeof(HeightField)]       = heightFieldAlgorithm;
            this[typeof(PointShape), typeof(TriangleMeshShape)] = triangleMeshAlgorithm;
            this[typeof(PointShape), typeof(TransformedShape)]  = transformedShapeAlgorithm;
            this[typeof(PointShape), typeof(CompositeShape)]    = compositeAlgorithm;

            this[typeof(LineShape), typeof(LineShape)]         = lineAlgorithm;
            this[typeof(LineShape), typeof(RayShape)]          = lineAlgorithm;
            this[typeof(LineShape), typeof(LineSegmentShape)]  = lineAlgorithm;
            this[typeof(LineShape), typeof(TriangleShape)]     = lineAlgorithm;
            this[typeof(LineShape), typeof(RectangleShape)]    = lineAlgorithm;
            this[typeof(LineShape), typeof(BoxShape)]          = lineAlgorithm;
            this[typeof(LineShape), typeof(ConvexShape)]       = lineAlgorithm;
            this[typeof(LineShape), typeof(ScaledConvexShape)] = lineAlgorithm;
            this[typeof(LineShape), typeof(CircleShape)]       = lineAlgorithm;
            this[typeof(LineShape), typeof(SphereShape)]       = lineAlgorithm;
            this[typeof(LineShape), typeof(CapsuleShape)]      = lineAlgorithm;
            this[typeof(LineShape), typeof(ConeShape)]         = lineAlgorithm;
            this[typeof(LineShape), typeof(CylinderShape)]     = lineAlgorithm;
            this[typeof(LineShape), typeof(EmptyShape)]        = noAlgo;
            this[typeof(LineShape), typeof(InfiniteShape)]     = infiniteAlgo;
            this[typeof(LineShape), typeof(PlaneShape)]        = noAlgo;
            this[typeof(LineShape), typeof(HeightField)]       = noAlgo;
            this[typeof(LineShape), typeof(TriangleMeshShape)] = lineAlgorithm;
            this[typeof(LineShape), typeof(TransformedShape)]  = lineAlgorithm;
            this[typeof(LineShape), typeof(CompositeShape)]    = lineAlgorithm;

            this[typeof(RayShape), typeof(RayShape)]          = noAlgo;
            this[typeof(RayShape), typeof(LineSegmentShape)]  = rayConvexAlgorithm;
            this[typeof(RayShape), typeof(TriangleShape)]     = rayTriangleAlgorithm;
            this[typeof(RayShape), typeof(RectangleShape)]    = rayConvexAlgorithm;
            this[typeof(RayShape), typeof(BoxShape)]          = rayBoxAlgorithm;
            this[typeof(RayShape), typeof(ConvexShape)]       = rayConvexAlgorithm;
            this[typeof(RayShape), typeof(ScaledConvexShape)] = rayConvexAlgorithm;
            this[typeof(RayShape), typeof(CircleShape)]       = rayConvexAlgorithm;
            this[typeof(RayShape), typeof(SphereShape)]       = raySphereAlgorithm;
            this[typeof(RayShape), typeof(CapsuleShape)]      = rayConvexAlgorithm;
            this[typeof(RayShape), typeof(ConeShape)]         = rayConvexAlgorithm;
            this[typeof(RayShape), typeof(CylinderShape)]     = rayConvexAlgorithm;
            this[typeof(RayShape), typeof(EmptyShape)]        = noAlgo;
            this[typeof(RayShape), typeof(InfiniteShape)]     = infiniteAlgo;
            this[typeof(RayShape), typeof(PlaneShape)]        = planeRayAlgorithm;
            this[typeof(RayShape), typeof(HeightField)]       = rayHeightFieldAlgorithm;
            this[typeof(RayShape), typeof(TriangleMeshShape)] = rayTriangleMeshAlgorithm;
            this[typeof(RayShape), typeof(TransformedShape)]  = transformedShapeAlgorithm;
            this[typeof(RayShape), typeof(CompositeShape)]    = rayCompositeAlgorithm;

            this[typeof(LineSegmentShape), typeof(LineSegmentShape)]  = gjkMprAlgorithm;
            this[typeof(LineSegmentShape), typeof(TriangleShape)]     = gjkMprAlgorithm;
            this[typeof(LineSegmentShape), typeof(RectangleShape)]    = gjkMprAlgorithm;
            this[typeof(LineSegmentShape), typeof(BoxShape)]          = gjkMprAlgorithm;
            this[typeof(LineSegmentShape), typeof(ConvexShape)]       = gjkMprAlgorithm;
            this[typeof(LineSegmentShape), typeof(ScaledConvexShape)] = gjkMprAlgorithm;
            this[typeof(LineSegmentShape), typeof(CircleShape)]       = gjkMprAlgorithm;
            this[typeof(LineSegmentShape), typeof(SphereShape)]       = gjkMprAlgorithm;
            this[typeof(LineSegmentShape), typeof(CapsuleShape)]      = gjkMprAlgorithm;
            this[typeof(LineSegmentShape), typeof(ConeShape)]         = gjkMprAlgorithm;
            this[typeof(LineSegmentShape), typeof(CylinderShape)]     = gjkMprAlgorithm;
            this[typeof(LineSegmentShape), typeof(EmptyShape)]        = noAlgo;
            this[typeof(LineSegmentShape), typeof(InfiniteShape)]     = infiniteAlgo;
            this[typeof(LineSegmentShape), typeof(PlaneShape)]        = planeConvexAlgorithm;
            this[typeof(LineSegmentShape), typeof(HeightField)]       = heightFieldAlgorithm;
            this[typeof(LineSegmentShape), typeof(TriangleMeshShape)] = triangleMeshAlgorithm;
            this[typeof(LineSegmentShape), typeof(TransformedShape)]  = transformedShapeAlgorithm;
            this[typeof(LineSegmentShape), typeof(CompositeShape)]    = compositeAlgorithm;

            this[typeof(TriangleShape), typeof(TriangleShape)]     = gjkTriTriAlgorithm;
            this[typeof(TriangleShape), typeof(RectangleShape)]    = gjkMprAlgorithm;
            this[typeof(TriangleShape), typeof(BoxShape)]          = gjkMprAlgorithm;
            this[typeof(TriangleShape), typeof(ConvexShape)]       = gjkMprAlgorithm;
            this[typeof(TriangleShape), typeof(ScaledConvexShape)] = gjkMprAlgorithm;
            this[typeof(TriangleShape), typeof(CircleShape)]       = gjkMprAlgorithm;
            this[typeof(TriangleShape), typeof(SphereShape)]       = gjkMprAlgorithm;
            this[typeof(TriangleShape), typeof(CapsuleShape)]      = gjkMprAlgorithm;
            this[typeof(TriangleShape), typeof(ConeShape)]         = gjkMprAlgorithm;
            this[typeof(TriangleShape), typeof(CylinderShape)]     = gjkMprAlgorithm;
            this[typeof(TriangleShape), typeof(EmptyShape)]        = noAlgo;
            this[typeof(TriangleShape), typeof(InfiniteShape)]     = infiniteAlgo;
            this[typeof(TriangleShape), typeof(PlaneShape)]        = planeConvexAlgorithm;
            this[typeof(TriangleShape), typeof(HeightField)]       = heightFieldAlgorithm;
            this[typeof(TriangleShape), typeof(TriangleMeshShape)] = triangleMeshAlgorithm;
            this[typeof(TriangleShape), typeof(TransformedShape)]  = transformedShapeAlgorithm;
            this[typeof(TriangleShape), typeof(CompositeShape)]    = compositeAlgorithm;

            this[typeof(RectangleShape), typeof(RectangleShape)]    = gjkMprAlgorithm;
            this[typeof(RectangleShape), typeof(BoxShape)]          = gjkMprAlgorithm;
            this[typeof(RectangleShape), typeof(ConvexShape)]       = gjkMprAlgorithm;
            this[typeof(RectangleShape), typeof(ScaledConvexShape)] = gjkMprAlgorithm;
            this[typeof(RectangleShape), typeof(CircleShape)]       = gjkMprAlgorithm;
            this[typeof(RectangleShape), typeof(SphereShape)]       = gjkMprAlgorithm;
            this[typeof(RectangleShape), typeof(CapsuleShape)]      = gjkMprAlgorithm;
            this[typeof(RectangleShape), typeof(ConeShape)]         = gjkMprAlgorithm;
            this[typeof(RectangleShape), typeof(CylinderShape)]     = gjkMprAlgorithm;
            this[typeof(RectangleShape), typeof(EmptyShape)]        = noAlgo;
            this[typeof(RectangleShape), typeof(InfiniteShape)]     = infiniteAlgo;
            this[typeof(RectangleShape), typeof(PlaneShape)]        = planeConvexAlgorithm;
            this[typeof(RectangleShape), typeof(HeightField)]       = heightFieldAlgorithm;
            this[typeof(RectangleShape), typeof(TriangleMeshShape)] = triangleMeshAlgorithm;
            this[typeof(RectangleShape), typeof(TransformedShape)]  = transformedShapeAlgorithm;
            this[typeof(RectangleShape), typeof(CompositeShape)]    = compositeAlgorithm;

            this[typeof(BoxShape), typeof(BoxShape)]          = gjkBoxAlgorithm;
            this[typeof(BoxShape), typeof(ConvexShape)]       = gjkMprAlgorithm;
            this[typeof(BoxShape), typeof(ScaledConvexShape)] = gjkMprAlgorithm;
            this[typeof(BoxShape), typeof(CircleShape)]       = gjkMprAlgorithm;
            this[typeof(BoxShape), typeof(SphereShape)]       = boxSphereAlgorithm;
            this[typeof(BoxShape), typeof(CapsuleShape)]      = gjkMprAlgorithm;
            this[typeof(BoxShape), typeof(ConeShape)]         = gjkMprAlgorithm;
            this[typeof(BoxShape), typeof(CylinderShape)]     = gjkMprAlgorithm;
            this[typeof(BoxShape), typeof(EmptyShape)]        = noAlgo;
            this[typeof(BoxShape), typeof(InfiniteShape)]     = infiniteAlgo;
            this[typeof(BoxShape), typeof(PlaneShape)]        = planeBoxAlgorithm;
            this[typeof(BoxShape), typeof(HeightField)]       = heightFieldAlgorithm;
            this[typeof(BoxShape), typeof(TriangleMeshShape)] = triangleMeshAlgorithm;
            this[typeof(BoxShape), typeof(TransformedShape)]  = transformedShapeAlgorithm;
            this[typeof(BoxShape), typeof(CompositeShape)]    = compositeAlgorithm;

            this[typeof(ConvexShape), typeof(ConvexShape)]       = gjkMprAlgorithm;
            this[typeof(ConvexShape), typeof(ScaledConvexShape)] = gjkMprAlgorithm;
            this[typeof(ConvexShape), typeof(CircleShape)]       = gjkMprAlgorithm;
            this[typeof(ConvexShape), typeof(SphereShape)]       = gjkMprAlgorithm;
            this[typeof(ConvexShape), typeof(CapsuleShape)]      = gjkMprAlgorithm;
            this[typeof(ConvexShape), typeof(ConeShape)]         = gjkMprAlgorithm;
            this[typeof(ConvexShape), typeof(CylinderShape)]     = gjkMprAlgorithm;
            this[typeof(ConvexShape), typeof(EmptyShape)]        = noAlgo;
            this[typeof(ConvexShape), typeof(InfiniteShape)]     = infiniteAlgo;
            this[typeof(ConvexShape), typeof(PlaneShape)]        = planeConvexAlgorithm;
            this[typeof(ConvexShape), typeof(HeightField)]       = heightFieldAlgorithm;
            this[typeof(ConvexShape), typeof(TriangleMeshShape)] = triangleMeshAlgorithm;
            this[typeof(ConvexShape), typeof(TransformedShape)]  = transformedShapeAlgorithm;
            this[typeof(ConvexShape), typeof(CompositeShape)]    = compositeAlgorithm;

            this[typeof(ScaledConvexShape), typeof(ScaledConvexShape)] = gjkMprAlgorithm;
            this[typeof(ScaledConvexShape), typeof(CircleShape)]       = gjkMprAlgorithm;
            this[typeof(ScaledConvexShape), typeof(SphereShape)]       = gjkMprAlgorithm;
            this[typeof(ScaledConvexShape), typeof(CapsuleShape)]      = gjkMprAlgorithm;
            this[typeof(ScaledConvexShape), typeof(ConeShape)]         = gjkMprAlgorithm;
            this[typeof(ScaledConvexShape), typeof(CylinderShape)]     = gjkMprAlgorithm;
            this[typeof(ScaledConvexShape), typeof(EmptyShape)]        = noAlgo;
            this[typeof(ScaledConvexShape), typeof(InfiniteShape)]     = infiniteAlgo;
            this[typeof(ScaledConvexShape), typeof(PlaneShape)]        = planeConvexAlgorithm;
            this[typeof(ScaledConvexShape), typeof(HeightField)]       = heightFieldAlgorithm;
            this[typeof(ScaledConvexShape), typeof(TriangleMeshShape)] = triangleMeshAlgorithm;
            this[typeof(ScaledConvexShape), typeof(TransformedShape)]  = transformedShapeAlgorithm;
            this[typeof(ScaledConvexShape), typeof(CompositeShape)]    = compositeAlgorithm;

            this[typeof(CircleShape), typeof(CircleShape)]       = gjkMprAlgorithm;
            this[typeof(CircleShape), typeof(SphereShape)]       = gjkMprAlgorithm;
            this[typeof(CircleShape), typeof(CapsuleShape)]      = gjkMprAlgorithm;
            this[typeof(CircleShape), typeof(ConeShape)]         = gjkMprAlgorithm;
            this[typeof(CircleShape), typeof(CylinderShape)]     = gjkMprAlgorithm;
            this[typeof(CircleShape), typeof(EmptyShape)]        = noAlgo;
            this[typeof(CircleShape), typeof(InfiniteShape)]     = infiniteAlgo;
            this[typeof(CircleShape), typeof(PlaneShape)]        = planeConvexAlgorithm;
            this[typeof(CircleShape), typeof(HeightField)]       = heightFieldAlgorithm;
            this[typeof(CircleShape), typeof(TriangleMeshShape)] = triangleMeshAlgorithm;
            this[typeof(CircleShape), typeof(TransformedShape)]  = transformedShapeAlgorithm;
            this[typeof(CircleShape), typeof(CompositeShape)]    = compositeAlgorithm;

            this[typeof(SphereShape), typeof(SphereShape)]       = sphereSphereAlgorithm;
            this[typeof(SphereShape), typeof(CapsuleShape)]      = gjkMprAlgorithm;
            this[typeof(SphereShape), typeof(ConeShape)]         = gjkMprAlgorithm;
            this[typeof(SphereShape), typeof(CylinderShape)]     = gjkMprAlgorithm;
            this[typeof(SphereShape), typeof(EmptyShape)]        = noAlgo;
            this[typeof(SphereShape), typeof(InfiniteShape)]     = infiniteAlgo;
            this[typeof(SphereShape), typeof(PlaneShape)]        = planeSphereAlgorithm;
            this[typeof(SphereShape), typeof(HeightField)]       = heightFieldAlgorithm;
            this[typeof(SphereShape), typeof(TriangleMeshShape)] = triangleMeshAlgorithm;
            this[typeof(SphereShape), typeof(TransformedShape)]  = transformedShapeAlgorithm;
            this[typeof(SphereShape), typeof(CompositeShape)]    = compositeAlgorithm;

            this[typeof(CapsuleShape), typeof(CapsuleShape)]      = gjkMprAlgorithm;
            this[typeof(CapsuleShape), typeof(ConeShape)]         = gjkMprAlgorithm;
            this[typeof(CapsuleShape), typeof(CylinderShape)]     = gjkMprAlgorithm;
            this[typeof(CapsuleShape), typeof(EmptyShape)]        = noAlgo;
            this[typeof(CapsuleShape), typeof(InfiniteShape)]     = infiniteAlgo;
            this[typeof(CapsuleShape), typeof(PlaneShape)]        = planeConvexAlgorithm;
            this[typeof(CapsuleShape), typeof(HeightField)]       = heightFieldAlgorithm;
            this[typeof(CapsuleShape), typeof(TriangleMeshShape)] = triangleMeshAlgorithm;
            this[typeof(CapsuleShape), typeof(TransformedShape)]  = transformedShapeAlgorithm;
            this[typeof(CapsuleShape), typeof(CompositeShape)]    = compositeAlgorithm;

            this[typeof(ConeShape), typeof(ConeShape)]         = gjkMprAlgorithm;
            this[typeof(ConeShape), typeof(CylinderShape)]     = gjkMprAlgorithm;
            this[typeof(ConeShape), typeof(EmptyShape)]        = noAlgo;
            this[typeof(ConeShape), typeof(InfiniteShape)]     = infiniteAlgo;
            this[typeof(ConeShape), typeof(PlaneShape)]        = planeConvexAlgorithm;
            this[typeof(ConeShape), typeof(HeightField)]       = heightFieldAlgorithm;
            this[typeof(ConeShape), typeof(TriangleMeshShape)] = triangleMeshAlgorithm;
            this[typeof(ConeShape), typeof(TransformedShape)]  = transformedShapeAlgorithm;
            this[typeof(ConeShape), typeof(CompositeShape)]    = compositeAlgorithm;

            this[typeof(CylinderShape), typeof(CylinderShape)]     = gjkMprAlgorithm;
            this[typeof(CylinderShape), typeof(EmptyShape)]        = noAlgo;
            this[typeof(CylinderShape), typeof(InfiniteShape)]     = infiniteAlgo;
            this[typeof(CylinderShape), typeof(PlaneShape)]        = planeConvexAlgorithm;
            this[typeof(CylinderShape), typeof(HeightField)]       = heightFieldAlgorithm;
            this[typeof(CylinderShape), typeof(TriangleMeshShape)] = triangleMeshAlgorithm;
            this[typeof(CylinderShape), typeof(TransformedShape)]  = transformedShapeAlgorithm;
            this[typeof(CylinderShape), typeof(CompositeShape)]    = compositeAlgorithm;

            this[typeof(EmptyShape), typeof(EmptyShape)]        = noAlgo;
            this[typeof(EmptyShape), typeof(InfiniteShape)]     = noAlgo; // No collision between Empty and Infinite.
            this[typeof(EmptyShape), typeof(PlaneShape)]        = noAlgo;
            this[typeof(EmptyShape), typeof(HeightField)]       = noAlgo;
            this[typeof(EmptyShape), typeof(TriangleMeshShape)] = noAlgo;
            this[typeof(EmptyShape), typeof(TransformedShape)]  = noAlgo;
            this[typeof(EmptyShape), typeof(CompositeShape)]    = noAlgo;

            this[typeof(InfiniteShape), typeof(InfiniteShape)]     = infiniteAlgo;
            this[typeof(InfiniteShape), typeof(PlaneShape)]        = infiniteAlgo;
            this[typeof(InfiniteShape), typeof(HeightField)]       = infiniteAlgo;
            this[typeof(InfiniteShape), typeof(TriangleMeshShape)] = infiniteAlgo;
            this[typeof(InfiniteShape), typeof(TransformedShape)]  = infiniteAlgo;
            this[typeof(InfiniteShape), typeof(CompositeShape)]    = infiniteAlgo;

            this[typeof(PlaneShape), typeof(PlaneShape)]        = noAlgo;
            this[typeof(PlaneShape), typeof(HeightField)]       = noAlgo;
            this[typeof(PlaneShape), typeof(TriangleMeshShape)] = triangleMeshAlgorithm;
            this[typeof(PlaneShape), typeof(TransformedShape)]  = transformedShapeAlgorithm;
            this[typeof(PlaneShape), typeof(CompositeShape)]    = compositeAlgorithm;

            this[typeof(HeightField), typeof(HeightField)] = noAlgo;
            // We could also call triangleMeshAlgorithm. But since HeightField has usually larger parts it
            // is better to call the heightFieldAlgorithm. The heightFieldAlgorithm will cull all but a
            // few height field cells very quickly.
            this[typeof(HeightField), typeof(TriangleMeshShape)] = heightFieldAlgorithm;
            this[typeof(HeightField), typeof(TransformedShape)]  = transformedShapeAlgorithm;
            // Same as for triangle meshes: Call height field algorithm first.
            this[typeof(HeightField), typeof(CompositeShape)] = heightFieldAlgorithm;

            this[typeof(TriangleMeshShape), typeof(TriangleMeshShape)] = triangleMeshAlgorithm;
            this[typeof(TriangleMeshShape), typeof(TransformedShape)]  = transformedShapeAlgorithm;
            this[typeof(TriangleMeshShape), typeof(CompositeShape)]    = compositeAlgorithm;

            this[typeof(TransformedShape), typeof(TransformedShape)] = transformedShapeAlgorithm;
            this[typeof(TransformedShape), typeof(CompositeShape)]   = transformedShapeAlgorithm;

            this[typeof(CompositeShape), typeof(CompositeShape)] = compositeAlgorithm;
        }