예제 #1
0
        /// <summary>
        /// Picking a geometry in the scene with the near and far vector
        /// </summary>
        public void PerformPicking(MouseEventArgs e)
        {
            //Get the line
            Vector3 near, far;

            GenerateLine(e.X, e.Y, out near, out far);

            //Do picking
            float distance = 0.0f;
            int   index    = 0;

            GEMSSingleRender pickedSingle = null;

            foreach (GEMSSingleRender render in singleRenders)
            {
                // Retrieve intersection information
                IntersectInformation closestIntersection;

                bool intersects = render.Intersect(near, far, out closestIntersection);
                if (intersects)
                {
                    if (index == 0)
                    {
                        distance     = closestIntersection.Dist;
                        pickedSingle = render;
                    }
                    else
                    {
                        if (distance > closestIntersection.Dist)
                        {
                            distance     = closestIntersection.Dist;
                            pickedSingle = render;
                        }
                    }
                    index++;
                }
            }

            if (pickedSingle != null)
            {
                m_project.CurrentSelectedObject = pickedSingle.Source;
            }
            else
            {
                m_project.CurrentSelectedObject = null;
            }
        }
예제 #2
0
        private void UpdateSingleRenders(GEMSProject.DataChangedEventArgs e)
        {
            if (e.changedSingle is GEMSSingle)
            {
                GEMSSingle changedSingle = e.changedSingle as GEMSSingle;

                switch (e.changedType)
                {
                case GEMSProject.DataChangedEventArgs.DataChangeType.SingleCutted:
                case GEMSProject.DataChangedEventArgs.DataChangeType.SingleDeleted:
                {
                    //Delete one single painter
                    GEMSSingleRender targetSingleRender = null;
                    foreach (GEMSSingleRender singleRender in singleRenders)
                    {
                        if (singleRender.Source == changedSingle)
                        {
                            targetSingleRender = singleRender;
                        }
                    }
                    this.singleRenders.Remove(targetSingleRender);
                    targetSingleRender.Dispose( );
                }
                break;

                case GEMSProject.DataChangedEventArgs.DataChangeType.SinglePasted:
                case GEMSProject.DataChangedEventArgs.DataChangeType.SingleCreated:
                    //Create one single painter
                {
                    GEMSSingleRender newSingleRender = new GEMSSingleRender(d3d, changedSingle, this);
                    newSingleRender.Initialize( );
                    this.singleRenders.Add(newSingleRender);
                }
                break;
                }
            }

            //Re-generate bounding box
            GenerateBoundingBox( );

            if (currentMode == SceneMode.Preview)
            {
                isFit = true;
            }
        }
예제 #3
0
        /// <summary>
        /// Create single painters for each single object
        /// </summary>
        private void CreateSingleRenders( )
        {
            foreach (GEMSSingleRender singleRender in singleRenders)
            {
                singleRender.Dispose( );
            }

            singleRenders.Clear( );

            if (m_project != null && m_project.Singles != null)
            {
                foreach (GEMSSingle single in m_project.Singles)
                {
                    GEMSSingleRender render = new GEMSSingleRender(d3d, single, this);
                    render.Initialize( );
                    singleRenders.Add(render);
                }

                GenerateBoundingBox( );
            }
        }