C# Media3D.RotateTransform3D类代码示例

        public CellNet(INetwork network, ModelVisual3D mophology, Dictionary<Guid, ICell> cells, Dictionary<Guid, ICellNet> childcellnet)
        {
            this.network = network;
            this.mophology = mophology;
            this.cells = cells;
            this.childcellnet = childcellnet;
            IsPushing = true;

            var transforms = new Transform3DGroup();
            Rotate = new RotateTransform3D(new QuaternionRotation3D());
            Translate = new TranslateTransform3D(network.Position.X, network.Position.Y, network.Position.Z);
            Scale = new ScaleTransform3D();
            transforms.Children.Add(Rotate);
            transforms.Children.Add(Translate);
            transforms.Children.Add(Scale);
            Mophology.Transform = transforms;

            var binding = new Binding()
            {
                Source = network,
                Path = new PropertyPath("Position"),
                Mode = BindingMode.OneWay
            };
            BindingOperations.SetBinding(this, CellNet.PositionProperty, binding);
        }

 public static RotateTransform3D GetRotateTransform3D(this XbimMatrix3D m)
 {
     RotateTransform3D r = new RotateTransform3D();
     XbimQuaternion xq = m.GetRotationQuaternion();
     r.Rotation = new QuaternionRotation3D(new Quaternion(xq.X, xq.Y, xq.Z, xq.W * (180.0 / Math.PI)));
     return r;
 }

        public Cell(INeuron neuron, ModelVisual3D mophology, Imaging imager)
        {
            this.neuron = neuron;
            this.mophology = mophology;
            this.imager = imager;
            neuron.Updated += OnUpdated;
            neuron.Hillock.Spike += OnSpike;
            IsPushing = true;

            var transforms = new Transform3DGroup();
            Rotate = new RotateTransform3D(new QuaternionRotation3D());
            Translate = new TranslateTransform3D(neuron.Position.X, neuron.Position.Y, neuron.Position.Z);
            Scale = new ScaleTransform3D();
            transforms.Children.Add(Rotate);
            transforms.Children.Add(Translate);
            transforms.Children.Add(Scale);
            Mophology.Transform = transforms;

            var binding = new Binding()
            {
                Source = neuron,
                Path = new PropertyPath("Position"),
                Mode = BindingMode.OneWay
            };
            BindingOperations.SetBinding(this, Cell.PositionProperty, binding);
        }

 public Plant()
 {
     var x = new Vector3D(1, 0, 0);
     var r1 = new RotateTransform3D(new AxisAngleRotation3D(x, 80));
     var r2 = new RotateTransform3D(new AxisAngleRotation3D(x, -70));
     var r3 = new RotateTransform3D(new AxisAngleRotation3D(x, -10));
     var t1 = new TranslateTransform3D(0, 0, 0.5);
     var t2 = new TranslateTransform3D(0, 0, 0.7);
     var t3 = new TranslateTransform3D(0, 0, 1.0);
     var s1 = new ScaleTransform3D(0.5, 0.5, 0.5);
     var s2 = new ScaleTransform3D(0.3, 0.3, 0.3);
     var s3 = new ScaleTransform3D(0.8, 0.8, 0.8);
     var m1 = new Transform3DGroup();
     m1.Children.Add(r1);
     m1.Children.Add(s1);
     m1.Children.Add(t1);
     var m2 = new Transform3DGroup();
     m2.Children.Add(r2);
     m2.Children.Add(s2);
     m2.Children.Add(t2);
     var m3 = new Transform3DGroup();
     m3.Children.Add(r3);
     m3.Children.Add(s3);
     m3.Children.Add(t3);
     T1 = m1;
     T2 = m2;
     T3 = m3;
 }

        // Public constructor to initialize those fields, etc
        public Sphere()
        {
            rotate = new AxisAngleRotation3D();
            xform = new RotateTransform3D(rotate);

            PropertyChanged(this, new DependencyPropertyChangedEventArgs());
        }

        // Public constructor to initialize those fields, etc
        public Cylinder()
        {
            rotate = new AxisAngleRotation3D();
            xform = new RotateTransform3D(rotate);

            PropertyChanged(new DependencyPropertyChangedEventArgs());
        }

        public ThrustLine(Viewport3D viewport, SharedVisuals sharedVisuals, Vector3D forceDirection, Vector3D localOffset)
        {
            this.Viewport = viewport;
            _forceDirection = forceDirection;
            _forceStrength = forceDirection.Length;       // this way they don't have to set this if they don't want
            this.BodyOffset = new TranslateTransform3D(localOffset);       // just setting it to something so it's not null

            #region Create Visual

            // I'll create the visual, but won't add it until they fire the thruster

            // Material
            MaterialGroup materials = new MaterialGroup();
            materials.Children.Add(new DiffuseMaterial(Brushes.Coral));
            materials.Children.Add(new SpecularMaterial(Brushes.Gold, 100d));

            // Geometry Model
            // Create a skinny 3D rectangle along the x axis
            GeometryModel3D geometry = new GeometryModel3D();
            geometry.Material = materials;
            geometry.BackMaterial = materials;
            geometry.Geometry = sharedVisuals.ThrustLineMesh;


            // Figure out how much to rotate the cube to be along the opposite of the force line.  I do the opposite, because
            // thruster flames shoot in the opposite direction that they're pushing
            Vector3D flameLine = forceDirection;
            flameLine.Negate();

            Vector3D axis;
            double radians;
            Math3D.GetRotation(out axis, out radians, new Vector3D(1, 0, 0), flameLine);

            if (radians == 0d)
            {
                _initialRotate = null;
            }
            else
            {
                _initialRotate = new RotateTransform3D(new AxisAngleRotation3D(axis, Math1D.RadiansToDegrees(radians)));
            }

            //// Transform
            //Transform3DGroup transform = new Transform3DGroup();		// rotate needs to be added before translate
            //transform.Children.Add(new RotateTransform3D(new AxisAngleRotation3D(axis, Math3D.RadiansToDegrees(radians))));
            //transform.Children.Add(new TranslateTransform3D(from));




            // Model Visual
            _model = new ModelVisual3D();
            _model.Content = geometry;
            _model.Transform = new TranslateTransform3D();        // I won't do anything with this right now

            #endregion
        }

 //Create a rotation transformation about the specified axis by the specified number of degrees anti-clockwise:
 public static RotateTransform3D makeAxisTransform(Vector3D axis, double angle)
 {
     RotateTransform3D myRotateTransform3D = new RotateTransform3D();
     AxisAngleRotation3D myAxisAngleRotation3d = new AxisAngleRotation3D();
     myAxisAngleRotation3d.Axis = axis;
     myAxisAngleRotation3d.Angle = angle; //rotate anticlockwise by the specified angle
     myRotateTransform3D.Rotation = myAxisAngleRotation3d;
     return myRotateTransform3D;
 }

        public ModelVisual3D Render()
        {
            _blocks = new GeometryModel3D[_dimension, _dimension, _dimension];

            Model3DGroup group = new Model3DGroup();

            double space = 0.03;
            double w = (1 - space * (_dimension - 1)) / _dimension;
            double slot = w + space;

            ScaleTransform3D scaling = new ScaleTransform3D(w, w, w);

            for (int i = 0; i < _dimension * _dimension * _dimension; i++)
            {
                int x = i % _dimension;
                int y = (int)(i / _dimension) % _dimension;
                int z = (int)(i / (_dimension * _dimension));

                GeometryModel3D c = CreateMiniCube();
                _blocks[x, y, z] = c;

                TranslateTransform3D pos = new TranslateTransform3D((slot * x), (slot * y), -(slot * z));

                Transform3DGroup tgroup = new Transform3DGroup();
                tgroup.Children.Add(scaling);
                tgroup.Children.Add(pos);

                c.Transform = tgroup;

                group.Children.Add(c);
            }

            Transform3DGroup cubeTransGroup = new Transform3DGroup();

            TranslateTransform3D cubePos = new TranslateTransform3D(-0.5, -0.5, 0.5);
            cubeTransGroup.Children.Add(cubePos);

            // Animation
            _spinTransform = new RotateTransform3D(new AxisAngleRotation3D(new Vector3D(0, 1, 0), 0));

            //Vector3DAnimation myVectorAnimation = new Vector3DAnimation(new Vector3D(0, 0, -1), new Duration(TimeSpan.FromMilliseconds(5000)));
            //myVectorAnimation.RepeatBehavior = RepeatBehavior.Forever;
            //myRotateTransform.Rotation.BeginAnimation(AxisAngleRotation3D.AxisProperty, myVectorAnimation);

            //myRotateTransform.Rotation.BeginAnimation(AxisAngleRotation3D.AngleProperty, doubleAnim);

            cubeTransGroup.Children.Add(_spinTransform);

            // Animation end

            group.Transform = cubeTransGroup;

            ModelVisual3D model = new ModelVisual3D();
            model.Content = group;

            return model;
        }

 public Trackball(double rotationFactor = 4.0, double zoomFacfor = 1.0) {
     _rotationFactor = rotationFactor;
     _zoomFactor = zoomFacfor;
     _transform = new Transform3DGroup();
     _transform.Children.Add(_scale);
     _rotateTransform = new RotateTransform3D(_rotation);
     _transform.Children.Add(_rotateTransform);
     _transform.Children.Add(_translate);
 }

 public void Move(double offsetX, double offsetY, double offsetZ, double angle)
 {
     Transform3DGroup transform = new Transform3DGroup();
     RotateTransform3D rotateTrans = new RotateTransform3D();
     rotateTrans.Rotation = new AxisAngleRotation3D(new Vector3D(0, 1, 0), angle);
     TranslateTransform3D translateTrans = new TranslateTransform3D(offsetX, offsetY, offsetZ);
     transform.Children.Add(rotateTrans);
     transform.Children.Add(translateTrans);
     this.Transform = transform;
 }

        public Cube(Viewport3D myViewport3D, float obesity)
        {

            this.up = ((PerspectiveCamera)myViewport3D.Camera).UpDirection;
            this.trans = new Transform3DGroup();
            this.scale = new ScaleTransform3D();
            this.translation = new TranslateTransform3D();
            this.rotation = new RotateTransform3D();
            this.axis = new AxisAngleRotation3D();

            this.obesity = obesity;   
            this.cube = new Model3DGroup();

            Point3D p0 = new Point3D(-1, -1, -1);
            Point3D p1 = new Point3D(1, -1, -1);
            Point3D p2 = new Point3D(1, -1, 1);
            Point3D p3 = new Point3D(-1, -1, 1);
            Point3D p4 = new Point3D(-1, 0, -1);
            Point3D p5 = new Point3D(1, 0, -1);
            Point3D p6 = new Point3D(1, 0, 1);
            Point3D p7 = new Point3D(-1, 0, 1);

            //front side triangles
            cube.Children.Add(CreateTriangleModel(p3, p2, p6));
            cube.Children.Add(CreateTriangleModel(p3, p6, p7));
            //right side triangles
            cube.Children.Add(CreateTriangleModel(p2, p1, p5));
            cube.Children.Add(CreateTriangleModel(p2, p5, p6));
            //back side triangles
            cube.Children.Add(CreateTriangleModel(p1, p0, p4));
            cube.Children.Add(CreateTriangleModel(p1, p4, p5));
            //left side triangles
            cube.Children.Add(CreateTriangleModel(p0, p3, p7));
            cube.Children.Add(CreateTriangleModel(p0, p7, p4));
            //top side triangles
            cube.Children.Add(CreateTriangleModel(p7, p6, p5));
            cube.Children.Add(CreateTriangleModel(p7, p5, p4));
            //bottom side triangles
            cube.Children.Add(CreateTriangleModel(p2, p3, p0));
            cube.Children.Add(CreateTriangleModel(p2, p0, p1));

            this.model = new ModelVisual3D();
            this.model.Content = cube;
            this.myDirectionalLight = new DirectionalLight();
            this.myDirectionalLight.Color = Colors.Green;
            this.myDirectionalLight.Direction = new Vector3D(-2, -3, 1);
            this.cube.Children.Add(myDirectionalLight);
            myViewport3D.Children.Add(model);

            trans.Children.Add(scale);
            trans.Children.Add(rotation);
            trans.Children.Add(translation);

            this.cube.Transform = trans;
        }

        public UserControl1()
        {
            InitializeComponent();

            ax3d = new AxisAngleRotation3D(new Vector3D(0, 2, 0), 1);
            RotateTransform3D myRotateTransform = new RotateTransform3D(ax3d);

            var ModelVisual3D = this.GetModel();
            MatrixTransform3D mTransform = new MatrixTransform3D();
            ModelVisual3D.Transform = myRotateTransform;

            //model
            ////
        }

        private static void AddBone(MeshGeometry3D mesh, Point3D startPoint, Point3D endPoint)
        {
            AxisAngleRotation3D rotate = new AxisAngleRotation3D();
            RotateTransform3D xform = new RotateTransform3D(rotate);

            Vector3D boneVec = endPoint - startPoint;

            // radius always points towards -Z (when possible)
            Vector3D radius;

            if (boneVec.X == 0 && boneVec.Y == 0)
            {
                // Special case.
                radius = new Vector3D(0, -1, 0);
            }
            else
            {
                // Find vector axis 90 degrees from bone where Z == 0
                rotate.Axis = Vector3D.CrossProduct(boneVec, new Vector3D(0, 0, 1));
                rotate.Angle = -90;

                // Rotate 90 degrees to find radius vector
                radius = boneVec * xform.Value;
                radius.Normalize();
            }

            // Rotate the radius around the bone vector
            rotate.Axis = boneVec;

            var positions = mesh.Positions;
            const int slices = 10;
            for (int slice = 0; slice < slices; ++slice)
            {
                // Rotate radius vector
                rotate.Angle = slice * 360.0 / slices;
                Vector3D vectRadius = radius * xform.Value;
                rotate.Angle = (slice + 1) * 360.0 / slices;
                Vector3D vectRadius1 = radius * xform.Value;

                // Bit of a hack to avoid having to set the normals or worry about consistent winding.
                positions.Add(startPoint);
                positions.Add(endPoint + delta * vectRadius);
                positions.Add(endPoint + delta * vectRadius1);

                positions.Add(startPoint);
                positions.Add(endPoint + delta * vectRadius1);
                positions.Add(endPoint + delta * vectRadius);
            }
        }

 private void VerticalTransform(bool upDown, double angleDeltaFactor)
 {
     Vector3D postion = new Vector3D(myPerspectiveCamera.Position.X, myPerspectiveCamera.Position.Y, myPerspectiveCamera.Position.Z);
     Vector3D rotateAxis = Vector3D.CrossProduct(postion, myPerspectiveCamera.UpDirection);
     RotateTransform3D rt3d = new RotateTransform3D();
     AxisAngleRotation3D rotate = new AxisAngleRotation3D(rotateAxis, angleDeltaFactor * (upDown ? -1 : 1));
     rt3d.Rotation = rotate;
     Matrix3D matrix = rt3d.Value;
     Point3D newPostition = matrix.Transform(myPerspectiveCamera.Position);
     myPerspectiveCamera.Position = newPostition;
     myPerspectiveCamera.LookDirection = new Vector3D(-newPostition.X, -newPostition.Y, -newPostition.Z);
     Vector3D newUpDirection = Vector3D.CrossProduct(myPerspectiveCamera.LookDirection, rotateAxis);
     newUpDirection.Normalize();
     myPerspectiveCamera.UpDirection = newUpDirection;
 }