using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace IntelligentControlForsx.Service
{
    public class IsRectangleCross
    {
        //判断矩形是否相交
        public static bool JudgeRectangleIntersect(int RecAleftX, int RecAleftY, int RecArightX, int RecArightY,
         int RecBleftX, int RecBleftY, int RecBrightX, int RecBrightY)
        {
            bool isIntersect = false;
            try
            {
                int zx = getAbsluteValue(RecAleftX + RecArightX - RecBleftX - RecBrightX);
                int x = getAbsluteValue(RecAleftX - RecArightX) + getAbsluteValue(RecBleftX - RecBrightX);
                int zy = getAbsluteValue(RecAleftY + RecArightY - RecBleftY - RecBrightY);
                int y = getAbsluteValue(RecAleftY - RecArightY) + getAbsluteValue(RecBleftY - RecBrightY);

                if (zx <= x && zy <= y)  //需要确认两矩形边线重合是否定义为相交 此处定义为相交。
                {
                    isIntersect = true;
                }
            }
            catch (Exception ex)
            {
                string str = ex.Message;
            }
            return isIntersect;
        }
        private static int getAbsluteValue(int douValue)
        {
            if (douValue >= 0)
            {
                return douValue;
            }
            else
            {
                return douValue * -1;
            }
        }
    }
}