C#之自定义Vector3

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using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;namespace ShaderDemo{    public class Vector3    {        public int x;        public int y;        public int z;        public Vector3(int x, int y, int z)        {            this.x = x;            this.y = y;            this.z = z;        }        public static Vector3 operator -(Vector3 A,  Vector3 vtarger)        {            Vector3 v3 = Zero();            v3.x = A.x - vtarger.x;            v3.y = A.y - vtarger.y;            v3.z = A.z = vtarger.z;            return v3;        }        public static Vector3 operator +(Vector3 vtarger)        {            Vector3 v3 = Zero();            //v3.x = x + vtarger.x;            //v3.y = this.y + vtarger.y;            //v3.z = this.z = vtarger.z;            return v3;        }        public static Vector3 operator *(Vector3 A, Vector3 B)        {            Vector3 v3 = Zero();            v3.x = A.x + B.x;            v3.y = A.y + B.y;            v3.z = A.z + B.z;            return v3;        }        /// <summary>        /// a = [a1,a2,a3]  b = [b1,b2,b3]  axb=[a2b3-a3b2,a3b1-a1b3,a1b2-a2b1]差乘        /// </summary>        /// <param name="vtarger"></param>        /// <returns></returns>        public Vector3 Cross(Vector3 vtarger)        {            Vector3 v3 = Zero();            v3.x = this.y * vtarger.z - this.z * vtarger.y;            v3.y = this.z * vtarger.x - this.x * vtarger.z;            v3.z = this.x * vtarger.y - this.y * vtarger.x;            return v3;        }        /// <summary>        /// 点积        /// </summary>        /// <param name="vtarger"></param>        /// <returns></returns>        public float Dot(Vector3 vtarger)        {            return this.x * vtarger.x + this.y * vtarger.y + this.z * vtarger.z;        }        public static Vector3 Zero()        {            Vector3 v3 = new Vector3(0, 0, 0);            return v3;        }        public static Vector3 One()        {            Vector3 v3 = new Vector3(1, 1, 1);            return v3;        }    }}
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