protected override Matrix4F GetManipulatorMatrix()
        {
            ITransformable node = GetManipulatorNode(TransformationTypes.Translation);

            if (node == null)
            {
                return(null);
            }

            ISnapSettings  snapSettings = (ISnapSettings)DesignView;
            Path <DomNode> path         = new Path <DomNode>(node.Cast <DomNode>().GetPath());
            Matrix4F       localToWorld = TransformUtils.CalcPathTransform(path, path.Count - 1);

            Matrix4F toworld = new Matrix4F();

            if (snapSettings.ManipulateLocalAxis)
            {
                toworld.Set(localToWorld);
                toworld.Normalize(toworld);
            }
            else
            {
                toworld.Translation = localToWorld.Translation;
            }

            Vec3F offset = TransformUtils.CalcSnapFromOffset(node, snapSettings.SnapFrom);

            // Offset by pivot
            Matrix4F P = new Matrix4F();

            P.Translation = offset;
            toworld.Mul(toworld, P);

            return(toworld);
        }
Beispiel #2
0
        /// <summary>
        /// Calculates the transformation matrix corresponding to the given transform components</summary>
        /// <param name="translation">Translation</param>
        /// <param name="rotation">Rotation</param>
        /// <param name="scale">Scale</param>
        /// <param name="scalePivot">Translation to origin of scaling</param>
        /// <param name="scalePivotTranslate">Translation after scaling</param>
        /// <param name="rotatePivot">Translation to origin of rotation</param>
        /// <param name="rotatePivotTranslate">Translation after rotation</param>
        /// <returns>Transformation matrix corresponding to the given transform components</returns>
        public static Matrix4F CalcTransform(
            Vec3F translation,
            Vec3F rotation,
            Vec3F scale,
            Vec3F scalePivot,
            Vec3F scalePivotTranslate,
            Vec3F rotatePivot,
            Vec3F rotatePivotTranslate)
        {
            Matrix4F M    = new Matrix4F();
            Matrix4F temp = new Matrix4F();

            M.Set(-scalePivot);

            temp.Scale(scale);
            M.Mul(M, temp);

            temp.Set(scalePivot + scalePivotTranslate - rotatePivot);
            M.Mul(M, temp);

            if (rotation.X != 0)
            {
                temp.RotX(rotation.X);
                M.Mul(M, temp);
            }

            if (rotation.Y != 0)
            {
                temp.RotY(rotation.Y);
                M.Mul(M, temp);
            }

            if (rotation.Z != 0)
            {
                temp.RotZ(rotation.Z);
                M.Mul(M, temp);
            }

            temp.Set(rotatePivot + rotatePivotTranslate + translation);
            M.Mul(M, temp);

            return(M);
        }
Beispiel #3
0
        protected override Matrix4F GetManipulatorMatrix()
        {
            ITransformable node = GetManipulatorNode(TransformationTypes.Pivot);

            if (node == null)
            {
                return(null);
            }

            Path <DomNode> path         = new Path <DomNode>(node.Cast <DomNode>().GetPath());
            Matrix4F       localToWorld = TransformUtils.CalcPathTransform(path, path.Count - 1);

            // Offset by pivot
            Matrix4F Pv = new Matrix4F();

            Pv.Set(node.Pivot);
            localToWorld.Mul(Pv, localToWorld);
            localToWorld.OrthoNormalize(localToWorld);
            return(new Matrix4F(localToWorld.Translation));
        }
        protected override Matrix4F GetManipulatorMatrix()
        {
            ITransformable node = GetManipulatorNode(TransformationTypes.Translation);

            if (node == null)
            {
                return(null);
            }

            ISnapSettings  snapSettings = (ISnapSettings)DesignView;
            Path <DomNode> path         = new Path <DomNode>(node.Cast <DomNode>().GetPath());
            Matrix4F       localToWorld = TransformUtils.CalcPathTransform(path, path.Count - 1);

            Matrix4F toworld = new Matrix4F();

            if (snapSettings.ManipulateLocalAxis)
            {
                toworld.Set(localToWorld);
                toworld.Normalize(toworld);
            }
            else
            {
                toworld.Translation = localToWorld.Translation;
            }

            //  DavidJ --   note -- this "pivot" behaviour was inherited from another manipulator
            //                  but appears to be broken! Check coordinate space of value returned from CalcSnapFromOffset
            // Vec3F offset = TransformUtils.CalcSnapFromOffset(node, snapSettings.SnapFrom);
            //
            // // Offset by pivot
            // Matrix4F P = new Matrix4F();
            // P.Translation = offset;
            // toworld.Mul(toworld,P);

            return(toworld);
        }
Beispiel #5
0
        /// <summary>
        /// Pushes a matrix onto the matrix stack</summary>
        /// <param name="matrix">The matrix</param>
        /// <param name="multiply">If true, multiply matrix by top matrix</param>
        public void PushMatrix(Matrix4F matrix, bool multiply)
        {
            if (m_matrixStackFreeze)
            {
                throw new InvalidOperationException(
                          "the IRenderObject does not implement ISetsLocalTransform");
            }

            int      count     = m_matrixStack.Count;
            Matrix4F topMatrix = (count > 0) ? m_matrixStack[count - 1] : Matrix4F.Identity;

            Matrix4F newMatrix = new Matrix4F();

            if (multiply)
            {
                newMatrix.Mul(matrix, topMatrix);
            }
            else
            {
                newMatrix.Set(matrix);
            }

            m_matrixStack.Add(newMatrix);
        }
        public override void OnDragging(ViewControl vc, Point scrPt)
        {
            if (m_hitRegion == HitRegion.None || NodeList.Count == 0)
                return;
            Camera cam = vc.Camera;

            Matrix4F view = cam.ViewMatrix;
            Matrix4F mtrx = cam.ProjectionMatrix;

            Matrix4F axisMtrx = HitMatrix * view;
            Ray3F hitRay = HitRayV;
            Ray3F dragRay = vc.GetRay(scrPt, mtrx);
            
            Vec3F xAxis = axisMtrx.XAxis;
            Vec3F yAxis = axisMtrx.YAxis;
            Vec3F zAxis = axisMtrx.ZAxis;
            Vec3F origin = axisMtrx.Translation;
            
            Vec3F rotAxis = new Vec3F();
            float theta = 0;
            
            switch (m_hitRegion)
            {                
                case HitRegion.XAxis:
                    {
                        Plane3F xplane = new Plane3F(xAxis, origin);
                        theta = CalcAngle(origin, xplane, hitRay, dragRay);
                        rotAxis = HitMatrix.XAxis;                     
                    }
                    break;
                case HitRegion.YAxis:
                    {
                        Plane3F yplane = new Plane3F(yAxis, origin);
                        theta = CalcAngle(origin, yplane, hitRay, dragRay);
                        rotAxis = HitMatrix.YAxis;

                    }
                    break;
                case HitRegion.ZAxis:
                    {
                        Plane3F zplane = new Plane3F(zAxis, origin);
                        theta = CalcAngle(origin, zplane, hitRay, dragRay);
                        rotAxis = HitMatrix.ZAxis;
                    }
                    break;
                default:
                    throw new ArgumentOutOfRangeException();
            }

            AngleAxisF axf = new AngleAxisF(-theta, rotAxis);
            Matrix4F deltaMtrx = new Matrix4F(axf);                                   
            Matrix4F rotMtrx = new Matrix4F();            
            for (int i = 0; i < NodeList.Count; i++)
            {                                
                ITransformable node = NodeList[i];                
                rotMtrx.Set(m_rotations[i]);
                rotMtrx.Mul(rotMtrx, deltaMtrx);                
                float ax, ay, az;
                rotMtrx.GetEulerAngles(out ax, out ay, out az);                
                node.Rotation = new Vec3F(ax,ay,az);
            }

        }
        private void RenderProperties(IEnumerable<object> objects, bool renderCaption, bool renderBound, bool renderPivot)
        {                      
            if (renderCaption || renderBound)
            {
                Util3D.RenderFlag = BasicRendererFlags.WireFrame;
                Matrix4F vp = Camera.ViewMatrix * Camera.ProjectionMatrix;
                foreach (object obj in objects)
                {
                    IBoundable bnode = obj.As<IBoundable>();
                    if (bnode == null || bnode.BoundingBox.IsEmpty || obj.Is<IGameObjectFolder>()) continue;

                    INameable nnode = obj.As<INameable>();
                    ITransformable trans = obj.As<ITransformable>();

                    if (renderBound)
                    {
                        Util3D.DrawAABB(bnode.BoundingBox);
                    }
                    if (renderCaption && nnode != null)
                    {
                        Vec3F topCenter = bnode.BoundingBox.Center;
                        topCenter.Y = bnode.BoundingBox.Max.Y;
                        Point pt = Project(vp, topCenter);
                        GameEngine.DrawText2D(nnode.Name, Util3D.CaptionFont, pt.X, pt.Y, Color.White);
                    }
                }
            }

            if (renderPivot)
            {
                Util3D.RenderFlag = BasicRendererFlags.WireFrame | BasicRendererFlags.DisableDepthTest;

                // create few temp matrics to
                Matrix4F toWorld = new Matrix4F();
                Matrix4F PV = new Matrix4F();
                Matrix4F sc = new Matrix4F();
                Matrix4F bl = new Matrix4F();
                Matrix4F recXform = new Matrix4F();
                foreach (object obj in objects)
                {
                    ITransformable trans = obj.As<ITransformable>();
                    IBoundable bnode = obj.As<IBoundable>();
                    if (trans == null || bnode == null || bnode.BoundingBox.IsEmpty || obj.Is<IGameObjectFolder>()) continue;

                    Path<DomNode> path = new Path<DomNode>(trans.Cast<DomNode>().GetPath());
                    toWorld.Set(Vec3F.ZeroVector);
                    TransformUtils.CalcPathTransform(toWorld, path, path.Count - 1);

                    // Offset by pivot
                    PV.Set(trans.Pivot);
                    toWorld.Mul(PV, toWorld);
                    Vec3F pos = toWorld.Translation;

                    const float pivotDiameter = 16; // in pixels
                    float s = Util.CalcAxisScale(Camera, pos, pivotDiameter, Height);                    
                    sc.Scale(s);
                    Util.CreateBillboard(bl, pos, Camera.WorldEye, Camera.Up, Camera.LookAt);
                    recXform = sc * bl;
                    Util3D.DrawPivot(recXform, Color.Yellow);
                }
            }
        }
Beispiel #8
0
        /// <summary>
        /// Calculates the transformation matrix corresponding to the given transform components
        /// </summary>
        /// <param name="translation">Translation</param>
        /// <param name="rotation">Rotation</param>
        /// <param name="scale">Scale</param>
        /// <param name="scalePivot">Translation to origin of scaling</param>
        /// <param name="scalePivotTranslate">Translation after scaling</param>
        /// <param name="rotatePivot">Translation to origin of rotation</param>
        /// <param name="rotatePivotTranslate">Translation after rotation</param>
        /// <returns>transformation matrix corresponding to the given transform components</returns>
        public static Matrix4F CalcTransform(
            Vec3F translation,
            Vec3F rotation,
            Vec3F scale,
            Vec3F pivot)
        {
            Matrix4F M = new Matrix4F();
            Matrix4F temp = new Matrix4F();

            M.Set(-pivot);

            temp.Scale(scale);
            M.Mul(M, temp);

            if (rotation.X != 0)
            {
                temp.RotX(rotation.X);
                M.Mul(M, temp);
            }

            if (rotation.Y != 0)
            {
                temp.RotY(rotation.Y);
                M.Mul(M, temp);
            }

            if (rotation.Z != 0)
            {
                temp.RotZ(rotation.Z);
                M.Mul(M, temp);
            }

            temp.Set(pivot + translation);
            M.Mul(M, temp);

            return M;
        }
Beispiel #9
0
        /// <summary>
        /// Performs initialization when the adapter's node is set.
        /// This method is called each time the adapter is connected to its underlying node.
        /// Typically overridden by creators of DOM adapters.</summary>
        protected override void OnNodeSet()
        {
            base.OnNodeSet();

            // get trans, scale, and rot.
            foreach (DomNode domNode in this.DomNode.GetChildList(Schema.node.scaleChild))
            {
                m_scale = Tools.GetVector3(domNode, Schema.TargetableFloat3.Attribute);
                break;
            }

            foreach (DomNode domNode in this.DomNode.GetChildList(Schema.node.translateChild))
            {
                m_translation = Tools.GetVector3(domNode, Schema.TargetableFloat3.Attribute);
                break;
            }
                        
            const float PiOver180 = (float)(Math.PI / 180.0f);
            foreach (DomNode node in DomNode.GetChildList(Schema.node.rotateChild))
            {                
                double[] arr = (double[])node.GetAttribute(Schema.rotate.Attribute);
                float angle = (float)arr[3] * PiOver180;
                string sid = node.GetAttribute(Schema.rotate.sidAttribute) as string;
                if (string.IsNullOrEmpty(sid))
                    continue;
                if (sid == "rotateX")
                    m_rotation.X = angle;
                else if (sid == "rotateY")
                    m_rotation.Y = angle;
                else if (sid == "rotateZ")
                    m_rotation.Z = angle;
            }

            Matrix4F M = new Matrix4F();
            Matrix4F temp = new Matrix4F();

            temp.Scale(Scale);
            M.Mul(M, temp);

            if (m_rotation.X != 0)
            {
                temp.RotX(m_rotation.X);
                M.Mul(M, temp);
            }

            if (m_rotation.Y != 0)
            {
                temp.RotY(m_rotation.Y);
                M.Mul(M, temp);
            }

            if (m_rotation.Z != 0)
            {
                temp.RotZ(m_rotation.Z);
                M.Mul(M, temp);
            }

            temp.Set(Translation);
            M.Mul(M, temp);

            Transform = M;
            m_boundingBox = new Cached<Box>(CalculateBoundingBox);
            Visible = true;
        }
        protected override Matrix4F GetManipulatorMatrix()
        {
            ITransformable node = GetManipulatorNode(TransformationTypes.Pivot);
            if (node == null) return null;

            Path<DomNode> path = new Path<DomNode>(node.Cast<DomNode>().GetPath());
            Matrix4F localToWorld = TransformUtils.CalcPathTransform(path, path.Count - 1);

            // Offset by pivot
            Matrix4F Pv = new Matrix4F();
            Pv.Set(node.Pivot);
            localToWorld.Mul(Pv, localToWorld);
            localToWorld.OrthoNormalize(localToWorld);
            return new Matrix4F(localToWorld.Translation);
        }
        private void RenderProperties(IEnumerable <object> objects, bool renderCaption, bool renderBound, bool renderPivot)
        {
            bool renderAny = renderCaption || renderBound || renderPivot;

            if (renderAny == false)
            {
                return;
            }

            Util3D.RenderFlag = BasicRendererFlags.WireFrame;
            Matrix4F vp = Camera.ViewMatrix * Camera.ProjectionMatrix;

            foreach (object obj in objects)
            {
                IBoundable bnode = obj.As <IBoundable>();
                if (bnode == null || bnode.BoundingBox.IsEmpty || obj.Is <IGameObjectFolder>())
                {
                    continue;
                }

                INameable      nnode = obj.As <INameable>();
                ITransformable trans = obj.As <ITransformable>();

                if (renderBound)
                {
                    Util3D.DrawAABB(bnode.BoundingBox);
                }
                if (renderCaption && nnode != null)
                {
                    Vec3F topCenter = bnode.BoundingBox.Center;
                    topCenter.Y = bnode.BoundingBox.Max.Y;
                    Point pt = Project(vp, topCenter);
                    GameEngine.DrawText2D(nnode.Name, Util3D.CaptionFont, pt.X, pt.Y, Color.White);
                }
            }

            if (renderPivot)
            {
                Util3D.RenderFlag = BasicRendererFlags.WireFrame
                                    | BasicRendererFlags.DisableDepthTest;

                // create few temp matrics to
                Matrix4F toWorld  = new Matrix4F();
                Matrix4F PV       = new Matrix4F();
                Matrix4F sc       = new Matrix4F();
                Matrix4F bl       = new Matrix4F();
                Matrix4F recXform = new Matrix4F();
                foreach (object obj in objects)
                {
                    ITransformable trans = obj.As <ITransformable>();
                    IBoundable     bnode = obj.As <IBoundable>();
                    if (trans == null || bnode == null || bnode.BoundingBox.IsEmpty || obj.Is <IGameObjectFolder>())
                    {
                        continue;
                    }

                    Path <DomNode> path = new Path <DomNode>(trans.Cast <DomNode>().GetPath());
                    toWorld.Set(Vec3F.ZeroVector);
                    TransformUtils.CalcPathTransform(toWorld, path, path.Count - 1);

                    // Offset by pivot
                    PV.Set(trans.Pivot);
                    toWorld.Mul(PV, toWorld);
                    Vec3F pos = toWorld.Translation;

                    float s;
                    Util.CalcAxisLengths(Camera, pos, out s);
                    s /= 12.0f;
                    sc.Scale(s);
                    Util.CreateBillboard(bl, pos, Camera.WorldEye, Camera.Up, Camera.LookAt);

                    Matrix4F.Multiply(sc, bl, recXform);

                    Util3D.DrawPivot(recXform, Color.Yellow);
                }
            }
        }
        protected override Matrix4F GetManipulatorMatrix()
        {
            ITransformable node = GetManipulatorNode(TransformationTypes.Translation);
            if (node == null ) return null;

            ISnapSettings snapSettings = (ISnapSettings)DesignView;            
            Path<DomNode> path = new Path<DomNode>(node.Cast<DomNode>().GetPath());
            Matrix4F localToWorld = TransformUtils.CalcPathTransform(path, path.Count - 1);
            
            Matrix4F toworld = new Matrix4F();
            if (snapSettings.ManipulateLocalAxis)
            {
                toworld.Set(localToWorld);
                toworld.Normalize(toworld);                
            }
            else
            {
                toworld.Translation = localToWorld.Translation;                
            }

            Vec3F offset = TransformUtils.CalcSnapFromOffset(node, snapSettings.SnapFrom);
          
            // Offset by pivot
            Matrix4F P = new Matrix4F();
            P.Translation = offset;
            toworld.Mul(toworld,P);
                        
            return toworld;
        }
Beispiel #13
0
        /// <summary>
        /// Pushes a matrix onto the matrix stack</summary>
        /// <param name="matrix">The matrix</param>
        /// <param name="multiply">If true, multiply matrix by top matrix</param>
        public void PushMatrix(Matrix4F matrix, bool multiply)
        {
            if (m_matrixStackFreeze)
                throw new InvalidOperationException(
                    "the IRenderObject does not implement ISetsLocalTransform");

            int count = m_matrixStack.Count;
            Matrix4F topMatrix = (count > 0) ? m_matrixStack[count - 1] : Matrix4F.Identity;

            Matrix4F newMatrix = new Matrix4F();
            if (multiply)
                newMatrix.Mul(matrix, topMatrix);
            else
                newMatrix.Set(matrix);

            m_matrixStack.Add(newMatrix);
        }
Beispiel #14
0
Datei: Node.cs Projekt: zparr/ATF
        /// <summary>
        /// Performs initialization when the adapter's node is set.
        /// This method is called each time the adapter is connected to its underlying node.
        /// Typically overridden by creators of DOM adapters.</summary>
        protected override void OnNodeSet()
        {
            base.OnNodeSet();

            // get trans, scale, and rot.
            foreach (DomNode domNode in this.DomNode.GetChildList(Schema.node.scaleChild))
            {
                m_scale = Tools.GetVector3(domNode, Schema.TargetableFloat3.Attribute);
                break;
            }

            foreach (DomNode domNode in this.DomNode.GetChildList(Schema.node.translateChild))
            {
                m_translation = Tools.GetVector3(domNode, Schema.TargetableFloat3.Attribute);
                break;
            }

            const float PiOver180 = (float)(Math.PI / 180.0f);

            foreach (DomNode node in DomNode.GetChildList(Schema.node.rotateChild))
            {
                double[] arr   = (double[])node.GetAttribute(Schema.rotate.Attribute);
                float    angle = (float)arr[3] * PiOver180;
                string   sid   = node.GetAttribute(Schema.rotate.sidAttribute) as string;
                if (string.IsNullOrEmpty(sid))
                {
                    continue;
                }
                if (sid == "rotateX")
                {
                    m_rotation.X = angle;
                }
                else if (sid == "rotateY")
                {
                    m_rotation.Y = angle;
                }
                else if (sid == "rotateZ")
                {
                    m_rotation.Z = angle;
                }
            }

            Matrix4F M    = new Matrix4F();
            Matrix4F temp = new Matrix4F();

            temp.Scale(Scale);
            M.Mul(M, temp);

            if (m_rotation.X != 0)
            {
                temp.RotX(m_rotation.X);
                M.Mul(M, temp);
            }

            if (m_rotation.Y != 0)
            {
                temp.RotY(m_rotation.Y);
                M.Mul(M, temp);
            }

            if (m_rotation.Z != 0)
            {
                temp.RotZ(m_rotation.Z);
                M.Mul(M, temp);
            }

            temp.Set(Translation);
            M.Mul(M, temp);

            Transform     = M;
            m_boundingBox = new Cached <Box>(CalculateBoundingBox);
            Visible       = true;
        }
        protected override Matrix4F GetManipulatorMatrix()
        {
            ITransformable node = GetManipulatorNode(TransformationTypes.Translation);
            if (node == null) return null;

            ISnapSettings snapSettings = (ISnapSettings)DesignView;
            Path<DomNode> path = new Path<DomNode>(node.Cast<DomNode>().GetPath());
            Matrix4F localToWorld = TransformUtils.CalcPathTransform(path, path.Count - 1);

            Matrix4F toworld = new Matrix4F();
            if (snapSettings.ManipulateLocalAxis)
            {
                toworld.Set(localToWorld);
                toworld.Normalize(toworld);
            }
            else
            {
                toworld.Translation = localToWorld.Translation;
            }

                //  DavidJ --   note -- this "pivot" behaviour was inherited from another manipulator
            //                  but appears to be broken! Check coordinate space of value returned from CalcSnapFromOffset
            // Vec3F offset = TransformUtils.CalcSnapFromOffset(node, snapSettings.SnapFrom);
            //
            // // Offset by pivot
            // Matrix4F P = new Matrix4F();
            // P.Translation = offset;
            // toworld.Mul(toworld,P);

            return toworld;
        }
Beispiel #16
0
        private void RenderProperties(GUILayer.SimpleRenderingContext context, IEnumerable <object> objects, bool renderCaption, bool renderBound, bool renderPivot)
        {
            if (renderCaption || renderBound)
            {
                Util3D.SetRenderFlag(context, BasicRendererFlags.WireFrame);
                Matrix4F vp = Camera.ViewMatrix * Camera.ProjectionMatrix;
                foreach (object obj in objects)
                {
                    IBoundable bnode = obj.As <IBoundable>();
                    if (bnode == null || bnode.BoundingBox.IsEmpty || obj.Is <IGameObjectFolder>())
                    {
                        continue;
                    }

                    INameable      nnode = obj.As <INameable>();
                    ITransformable trans = obj.As <ITransformable>();

                    if (renderBound)
                    {
                        Util3D.DrawAABB(context, bnode.BoundingBox);
                    }
                    if (renderCaption && nnode != null)
                    {
                        Vec3F topCenter = bnode.BoundingBox.Center;
                        topCenter.Y = bnode.BoundingBox.Max.Y;
                        Point pt = Project(vp, topCenter);
                        GameEngine.DrawText2D(nnode.Name, Util3D.CaptionFont, pt.X, pt.Y, Color.White);
                    }
                }
            }

            if (renderPivot)
            {
                Util3D.SetRenderFlag(context, BasicRendererFlags.WireFrame | BasicRendererFlags.DisableDepthTest);

                // create few temp matrics to
                Matrix4F toWorld  = new Matrix4F();
                Matrix4F PV       = new Matrix4F();
                Matrix4F sc       = new Matrix4F();
                Matrix4F bl       = new Matrix4F();
                Matrix4F recXform = new Matrix4F();
                foreach (object obj in objects)
                {
                    ITransformable trans = obj.As <ITransformable>();
                    IBoundable     bnode = obj.As <IBoundable>();
                    if (trans == null || bnode == null || bnode.BoundingBox.IsEmpty || obj.Is <IGameObjectFolder>())
                    {
                        continue;
                    }

                    Path <DomNode> path = new Path <DomNode>(trans.Cast <DomNode>().GetPath());
                    toWorld.Set(Vec3F.ZeroVector);
                    TransformUtils.CalcPathTransform(toWorld, path, path.Count - 1);

                    // Offset by pivot
                    PV.Set(trans.Pivot);
                    toWorld.Mul(PV, toWorld);
                    Vec3F pos = toWorld.Translation;

                    const float pivotDiameter = 16; // in pixels
                    float       s             = Util.CalcAxisScale(Camera, pos, pivotDiameter, Height);
                    sc.Scale(s);
                    Util.CreateBillboard(bl, pos, Camera.WorldEye, Camera.Up, Camera.LookAt);
                    recXform = sc * bl;
                    Util3D.DrawPivot(context, recXform, Color.Yellow);
                }
            }
        }
Beispiel #17
0
        public override void OnDragging(ViewControl vc, Point scrPt)
        {
            if (m_hitRegion == HitRegion.None || NodeList.Count == 0)
            {
                return;
            }
            Camera cam = vc.Camera;

            Matrix4F view = cam.ViewMatrix;
            Matrix4F mtrx = cam.ProjectionMatrix;

            Matrix4F axisMtrx = HitMatrix * view;
            Ray3F    hitRay   = HitRayV;
            Ray3F    dragRay  = vc.GetRay(scrPt, mtrx);

            Vec3F xAxis  = axisMtrx.XAxis;
            Vec3F yAxis  = axisMtrx.YAxis;
            Vec3F zAxis  = axisMtrx.ZAxis;
            Vec3F origin = axisMtrx.Translation;

            Vec3F rotAxis = new Vec3F();
            float theta   = 0;

            float snapAngle = ((ISnapSettings)DesignView).SnapAngle;

            switch (m_hitRegion)
            {
            case HitRegion.XAxis:
            {
                Plane3F xplane = new Plane3F(xAxis, origin);
                theta   = CalcAngle(origin, xplane, hitRay, dragRay, snapAngle);
                rotAxis = HitMatrix.XAxis;
            }
            break;

            case HitRegion.YAxis:
            {
                Plane3F yplane = new Plane3F(yAxis, origin);
                theta   = CalcAngle(origin, yplane, hitRay, dragRay, snapAngle);
                rotAxis = HitMatrix.YAxis;
            }
            break;

            case HitRegion.ZAxis:
            {
                Plane3F zplane = new Plane3F(zAxis, origin);
                theta   = CalcAngle(origin, zplane, hitRay, dragRay, snapAngle);
                rotAxis = HitMatrix.ZAxis;
            }
            break;

            default:
                throw new ArgumentOutOfRangeException();
            }

            AngleAxisF axf       = new AngleAxisF(-theta, rotAxis);
            Matrix4F   deltaMtrx = new Matrix4F(axf);
            Matrix4F   rotMtrx   = new Matrix4F();

            for (int i = 0; i < NodeList.Count; i++)
            {
                ITransformable node = NodeList[i];
                rotMtrx.Set(m_rotations[i]);
                rotMtrx.Mul(rotMtrx, deltaMtrx);
                float ax, ay, az;
                rotMtrx.GetEulerAngles(out ax, out ay, out az);
                node.Rotation = new Vec3F(ax, ay, az);
            }
        }