overlapTester.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Microsoft.Xna.Framework.Graphics;
using Microsoft.Xna.Framework.Content;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Input;

namespace ActionGame
{
    class overlapTester
    {
        public bool overlapRectangles(Rectangle r1, Rectangle r2)
        {
            if (r1.X < r2.X + r2.Width && r1.X + r1.Width > r2.X && r1.Y + r1.Height > r2.Y && r1.Y < r2.Y + r2.Height) return true;
            return false;
        }
        public int overlapRectanglesEX(Rectangle r1,Rectangle r2)
        {
            if (r1.X < r2.X + r2.Width && r1.X + r1.Width > r2.X && r1.Y + r1.Height > r2.Y && r1.Y < r2.Y + r2.Height) {
                int a1 = r2.X + r2.Width - r1.X;
                int a2 = r1.X + r1.Width - r2.X;
                int a3 = r2.Y + r2.Height - r1.Y;
                int a4 = r1.Y + r1.Height - r2.Y;

                int flag = 0;
                if (a1 < a2) { flag = 1; }
                else { flag = 2; }


                if (a3 < a4)
                {
                    if (flag == 1 && a1 < a3) { return 1; }
                    else { return 3; }


                } else

                    if (flag == 2 && a2 < a4) { return 2; }
                else { return 4; }



           



       }
            else { return 0; }
       

        }
    }
}