WSHCommon/Common/CommonAI/Zone/Helper/Collider.cs

using System;
using System.Collections.Generic;
using System.Text;
using CommonAI.RTS;
using CommonLang.Vector;
using CommonLang;

namespace CommonAI.Zone.Instance
{

    public static class Collider
    {
        /// <summary>
        /// 单位和【圆形】碰撞
        /// </summary>
        /// <param name="o"></param>
        /// <param name="x"></param>
        /// <param name="y"></param>
        /// <param name="r"></param>
        /// <returns></returns>
        public delegate bool ObjectBodyTouchRound(InstanceZoneObject o, float x, float y, float r);

        /// <summary>
        /// 单位和【扇形】碰撞
        /// </summary>
        /// <param name="o"></param>
        /// <param name="x"></param>
        /// <param name="y"></param>
        /// <param name="r"></param>
        /// <param name="sa"></param>
        /// <param name="ea"></param>
        /// <returns></returns>
        public delegate bool ObjectBodyTouchFan(InstanceZoneObject o, float x, float y, float r, float sa, float ea);

        /// <summary>
        /// 单位和【直线】碰撞(粗线段)
        /// </summary>
        /// <param name="o"></param>
        /// <param name="x1"></param>
        /// <param name="y1"></param>
        /// <param name="x2"></param>
        /// <param name="y2"></param>
        /// <param name="line_r"></param>
        /// <returns></returns>
        public delegate bool ObjectBodyTouchRectLine(InstanceZoneObject o, float x1, float y1, float x2, float y2, float line_r);

        /// <summary>
        /// 单位【运动轨迹】从A点移动到B点经过的碰撞(圆角粗线段)
        /// </summary>
        /// <param name="o"></param>
        /// <param name="sx"></param>
        /// <param name="sy"></param>
        /// <param name="dx"></param>
        /// <param name="dy"></param>
        /// <param name="line_r">粗度</param>
        /// <returns></returns>
        public delegate bool ObjectBodyTouchRoundLine(InstanceZoneObject o, float sx, float sy, float dx, float dy, float line_r);


        /// <summary>
        /// 单位和【矩形】碰撞
        /// </summary>
        /// <param name="o"></param>
        /// <param name="x1"></param>
        /// <param name="y1"></param>
        /// <param name="x2"></param>
        /// <param name="y2"></param>
        /// <returns></returns>
        public delegate bool ObjectBodyTouchRect(InstanceZoneObject o, float x1, float y1, float x2, float y2);


        //---------------------------------------------------------------------------------------------



        public static bool Object_Pos_IncludeInRound(InstanceZoneObject o, float x, float y, float r)
        {
            return CMath.includeRoundPoint(x, y, r, o.X, o.Y);
        }
        public static bool Object_BlockBody_TouchRound(InstanceZoneObject o, float x, float y, float r)
        {
            return CMath.intersectRound(x, y, r, o.X, o.Y, o.BodyBlockSize);
        }
        public static bool Object_HitBody_TouchRound(InstanceZoneObject o, float x, float y, float r)
        {
            return CMath.intersectRound(x, y, r, o.X, o.Y, o.BodyHitSize);
        }
        public static bool Object_Pos_IncludeInFan(InstanceZoneObject o, float x, float y, float distance, float startAngle, float endAngle)
        {
            return CMath.includeFanPoint(x, y, distance, o.X, o.Y, startAngle, endAngle);
        }
        public static bool Object_BlockBody_TouchFan(InstanceZoneObject o, float x, float y, float distance, float startAngle, float endAngle)
        {
            return CMath.intersectFanRound(x, y, distance, o.X, o.Y, o.BodyBlockSize, startAngle, endAngle);
        }
        public static bool Object_HitBody_TouchFan(InstanceZoneObject o, float x, float y, float distance, float startAngle, float endAngle)
        {
            return CMath.intersectFanRound(x, y, distance, o.X, o.Y, o.BodyHitSize, startAngle, endAngle);
        }

        public static bool Object_Pos_IncludeInRect(InstanceZoneObject o, float x1, float y1, float x2, float y2)
        {
            return CMath.includeRectPoint(x1, y1, x2, y2, o.X, o.Y);
        }
        public static bool Object_BlockBody_TouchRect(InstanceZoneObject o, float x1, float y1, float x2, float y2)
        {
            float b = o.BodyBlockSize;
            return (CMath.intersectRect(o.X - b, o.Y - b, b * 2, b * 2, x1, y1, x2, y2));
        }
        public static bool Object_HitBody_TouchRect(InstanceZoneObject o, float x1, float y1, float x2, float y2)
        {
            float b = o.BodyHitSize;
            return (CMath.intersectRect(o.X - b, o.Y - b, b * 2, b * 2, x1, y1, x2, y2));
        }

        /// <summary>
        /// 圆角粗线段
        /// </summary>
        public static bool Object_BlockBody_TouchRoundLine(InstanceZoneObject o, float sx, float sy, float dx, float dy, float line_r)
        {
            float body_r = o.BodyBlockSize;
            float body_x = o.X;
            float body_y = o.Y;
            if (CMath.intersectRound(sx, sy, line_r, body_x, body_y, body_r))
            {
                return true;
            }
            if (CMath.intersectRound(dx, dy, line_r, body_x, body_y, body_r))
            {
                return true;
            }
            return (CMath.intersectLineRound(sx, sy, dx, dy, body_x, body_y, body_r + line_r));
        }
        /// <summary>
        /// 圆角粗线段
        /// </summary>
        public static bool Object_HitBody_TouchRoundLine(InstanceZoneObject o, float sx, float sy, float dx, float dy, float line_r)
        {
            float body_r = o.BodyHitSize;
            float body_x = o.X;
            float body_y = o.Y;
            if (CMath.intersectRound(sx, sy, line_r, body_x, body_y, body_r))
            {
                return true;
            }
            if (CMath.intersectRound(dx, dy, line_r, body_x, body_y, body_r))
            {
                return true;
            }
            return (CMath.intersectLineRound(sx, sy, dx, dy, body_x, body_y, body_r + line_r));
        }


        /// <summary>
        /// 方角粗线段
        /// </summary>
        public static bool Object_BlockBody_TouchRectLine(InstanceZoneObject o, float x1, float y1, float x2, float y2, float line_r)
        {
            return CMath.intersectRoundStripWidth(o.X, o.Y, o.BodyBlockSize , x1, y1, x2, y2, line_r);
        }
        /// <summary>
        /// 方角粗线段
        /// </summary>
        public static bool Object_HitBody_TouchRectLine(InstanceZoneObject o, float x1, float y1, float x2, float y2, float line_r)
        {
            return CMath.intersectRoundStripWidth(o.X, o.Y, o.BodyHitSize, x1, y1, x2, y2, line_r);
        }

    }

}