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C# QuadTree.Intersect方法代码示例

本文整理汇总了C#中QuadTree.Intersect方法的典型用法代码示例。如果您正苦于以下问题:C# QuadTree.Intersect方法的具体用法?C# QuadTree.Intersect怎么用?C# QuadTree.Intersect使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在QuadTree的用法示例。


在下文中一共展示了QuadTree.Intersect方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: IntersectingRectangle

        /// <summary>
        /// Returns all points inside the requested region.  
        /// If include adjacent is set to true we include points with an edge that crosses the border of the requested rectangle
        /// </summary>
        /// <param name="gridRect"></param>
        /// <returns></returns>
        private List<MappingGridVector2> IntersectingRectangle(GridRectangle gridRect,
                                                               QuadTree<List<MappingGridTriangle>> PointTree)
        {
            List<GridVector2> Points;
            List<List<MappingGridTriangle>> ListofListTriangles;

            List<MappingGridVector2> MappingPointList= null;

            if (gridRect.Contains(PointTree.Border))
            {
                MappingPointList = new List<MappingGridVector2>(_mapPoints);
                return MappingPointList;
            }

            PointTree.Intersect(gridRect, out Points, out ListofListTriangles);

            bool[] Added = new bool[_mapPoints.Length];
            MappingPointList = new List<MappingGridVector2>(Points.Count * 2);
            List<List<MappingGridTriangle>> MappingTriangleList = new List<List<MappingGridTriangle>>(Points.Count * 2);

            //Add all the unique points bordering the requested rectangle
            for (int iPoint = 0; iPoint < Points.Count; iPoint++)
            {
                List<MappingGridTriangle> FoundTriangleList = ListofListTriangles[iPoint];
                for (int iTri = 0; iTri < FoundTriangleList.Count; iTri++)
                {
                    MappingGridTriangle Triangle = FoundTriangleList[iTri];
                    if (!Added[Triangle.N1])
                    {
                        Added[Triangle.N1] = true;
                        MappingPointList.Add(this._mapPoints[Triangle.N1]);
                        MappingTriangleList.Add(this._TriangleList[Triangle.N1]);
                    }
                    if (!Added[Triangle.N2])
                    {
                        Added[Triangle.N2] = true;
                        MappingPointList.Add(this._mapPoints[Triangle.N2]);
                        MappingTriangleList.Add(this._TriangleList[Triangle.N1]);
                    }
                    if (!Added[Triangle.N3])
                    {
                        Added[Triangle.N3] = true;
                        MappingPointList.Add(this._mapPoints[Triangle.N3]);
                        MappingTriangleList.Add(this._TriangleList[Triangle.N1]);
                    }
                }
            }

            return MappingPointList;
        }
开发者ID:abordt,项目名称:Viking,代码行数:56,代码来源:GridTransform.cs

示例2: QuadTreeTestOne

        public void QuadTreeTestOne()
        {
            GridVector2[] points = new GridVector2[] { new GridVector2(0,0),
                                                       new GridVector2(1,1),
                                                       new GridVector2(-10,-10),
                                                       new GridVector2(-7.5, 2.5),
                                                       new GridVector2(8.5, -1.5),
                                                       new GridVector2(3.5, -6.5),
                                                       new GridVector2(1.5, -8.5),
                                                       new GridVector2(10, 10)};
            int[] values = new int[] {0,1,2,3,4,5,6,7};
            GridRectangle border = GridVector2.Border(points);
            QuadTree<int> tree = new QuadTree<int>(points, values, border);

            //Start with a basic test ensuring we can find all the existing points
            for(int i = 0; i < points.Length; i++)
            {
                double distance;
                int RetValue;
                RetValue = tree.FindNearest(points[i], out distance);

                Debug.Assert(RetValue == i);
                Debug.Assert(distance == 0);
            }

            //Check to see if we can find nearby points
            GridVector2[] nearpoints = new GridVector2[] { new GridVector2(.25,.25),
                                                       new GridVector2(.5,.51),
                                                       new GridVector2(-7.5,-7.5),
                                                       new GridVector2(-7.5, -1.5),
                                                       new GridVector2(8.5, -5.5),
                                                       new GridVector2(4.5, -7.75),
                                                       new GridVector2(1, -8.75),
                                                       new GridVector2(11, 11)}; //Out of original boundaries

            for (int i = 0; i < nearpoints.Length; i++)
            {
                double distance;
                int RetValue;
                RetValue = tree.FindNearest(nearpoints[i], out distance);

                Debug.Assert(RetValue == i);
                Debug.Assert(distance == GridVector2.Distance(points[i], nearpoints[i]));
            }

            //Check to see if we can return all points in a rectangle
            GridRectangle gridRect = new GridRectangle(0,15, 0,15);
            List<GridVector2> intersectPoints;
            List<int> intersectValues;
            tree.Intersect(gridRect, out intersectPoints, out intersectValues);
            Debug.Assert(intersectValues.Contains(0));
            Debug.Assert(intersectValues.Contains(1));
            Debug.Assert(intersectValues.Contains(7));

            Debug.Assert(false == intersectValues.Contains(2));
            Debug.Assert(false == intersectValues.Contains(3));
            Debug.Assert(false == intersectValues.Contains(4));
            Debug.Assert(false == intersectValues.Contains(5));
            Debug.Assert(false == intersectValues.Contains(6));
        }
开发者ID:abordt,项目名称:Viking,代码行数:60,代码来源:QuadTreeTest.cs


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