using StgSharp;
using StgSharp.Math;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Runtime.InteropServices;
using System.Text;


namespace StgSharp.Geometries
{
    public unsafe class Point : INode<Point>
    {
        internal vec3d* positionPtr;

        internal Point(vec3d* ptr)
        {
            positionPtr = ptr;
        }

        public vec3d Position
        {
            get { return *positionPtr; }
            set { *positionPtr = value; }
        }

        public float X
        {
            get { return (*this.positionPtr).X; }
            set { (*this.positionPtr).X = value; }
        }

        public float Y
        {
            get { return (*this.positionPtr).Y; }
            set { (*this.positionPtr).Y = value; }
        }

        public float Z
        {
            get { return (*this.positionPtr).Z; }
            set { (*this.positionPtr).Z = value; }
        }

        internal readonly bool isVertex;

        public bool IsVertex => isVertex;

        /// <summary>
        /// 刷新点的位置，即移动点。当该点是某个几何体的从动点时
        /// （即点坐标由几何体其他点约束或点参数已经在创建几何体时定义）
        /// 请不要再次进行定义，程序将自行忽略此处的代码。
        /// </summary>
        /// <param name="tick">当前游戏刻</param>
        public virtual void Update(uint tick) {}

        public bool IsInGeometry(IPlainGeometry geo)
        {
            throw new NotImplementedException();
        }

        public bool IsOnPlain(IPlainGeometry geo)
        {
            return (*this.positionPtr) * geo.GetPlain().plainParameter == 1;
        }



    }
}