/// <summary>
/// 生成外轮廓多边形
/// </summary>
/// <param name="grid"></param>
/// <param name="me"></param>
/// <param name="startSearchPoint"></param>
/// <param name="limitDistance"></param>
/// <param name="isBlockOutPoly">是否为挡格的轮廓多边形,是的时候需要倒序处理</param>
/// <returns></returns>
private static ContourPoly GeneralOutPoly(RLEGridMap grid, MapElement me, Float2 startSearchPoint, float limitDistance, bool isBlockOutPoly)
{
ContourPoly poly = new ContourPoly();
List <Double2> points = me.GetContourPoints(grid, startSearchPoint);
if (isBlockOutPoly == true)
{
points.Reverse();
}
List <int> listIndex = ConvexPolygon2D.GenerateConvexPolygonIndex(points.ToArray());
List <Double2> polys = new List <Double2>();
for (int i = 0; i < listIndex.Count; i++)
{
if (i < listIndex.Count - 1)
{
OptimizationContourConvexLine(listIndex[i], listIndex[i + 1], false, limitDistance, points, ref polys);
}
else
{
OptimizationContourConvexLine(listIndex[i], listIndex[0], true, limitDistance, points, ref polys);
}
}
poly.InitData(polys);
return(poly);
}
/// <summary>
/// 添加挡格轮廓多边形
/// </summary>
/// <param name="unit"></param>
public void AddBlockPoly(ContourPoly poly)
{
if (poly == null)
{
return;
}
blockPolys.Add(poly);
}
/// <summary>
/// 生成外轮廓多边形
/// </summary>
/// <param name="grid"></param>
/// <param name="limitDistance"></param>
/// <returns></returns>
public static ContourUnit GeneralContourUnit(RLEGridMap grid, MapElement me, float limitDistance)
{
ContourPoly poly = GeneralOutPoly(grid, me, me.GetKeyPoint(), limitDistance, false);
ContourUnit unit = new ContourUnit(poly);;
if (me is MapArea)
{
Float2 keyPoint = Float2.zero;
while (poly.FindKeyPoint(grid, ref keyPoint) == true)
{
ContourPoly poly1 = GeneralOutPoly(grid, me, keyPoint, limitDistance, true);
unit.AddBlockPoly(poly1);
}
}
return(unit);
}
public ContourUnit(ContourPoly outPoly)
{
OutPoly = outPoly;
}
