256 lines
9.3 KiB
C#
256 lines
9.3 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.Events;
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public class MathUtil
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{
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#region 角度和弧度
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/// <summary>
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/// 角度转弧度的方法
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/// </summary>
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/// <param name="deg">角度值</param>
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/// <returns>弧度值</returns>
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public static float Deg2Rad(float deg)
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{
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return deg * Mathf.Deg2Rad;
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}
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/// <summary>
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/// 弧度转角度的方法
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/// </summary>
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/// <param name="rad">弧度值</param>
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/// <returns>角度值</returns>
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public static float Rad2Deg(float rad)
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{
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return rad * Mathf.Rad2Deg;
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}
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#endregion
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#region 距离计算相关的
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/// <summary>
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/// 获取XZ平面上 两点的距离
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/// </summary>
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/// <param name="srcPos">点1</param>
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/// <param name="targetPos">点2</param>
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/// <returns></returns>
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public static float GetObjDistanceXZ(Vector3 srcPos, Vector3 targetPos)
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{
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srcPos.y = 0;
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targetPos.y = 0;
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return Vector3.Distance(srcPos, targetPos);
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}
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/// <summary>
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/// 判断两点之间距离 是否小于等于目标距离 XZ平面
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/// </summary>
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/// <param name="srcPos">点1</param>
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/// <param name="targetPos">点2</param>
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/// <param name="dis">距离</param>
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/// <returns></returns>
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public static bool CheckObjDistanceXZ(Vector3 srcPos, Vector3 targetPos, float dis)
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{
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return GetObjDistanceXZ(srcPos, targetPos) <= dis;
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}
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/// <summary>
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/// 获取XY平面上 两点的距离
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/// </summary>
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/// <param name="srcPos">点1</param>
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/// <param name="targetPos">点2</param>
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/// <returns></returns>
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public static float GetObjDistanceXY(Vector3 srcPos, Vector3 targetPos)
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{
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srcPos.z = 0;
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targetPos.z = 0;
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return Vector3.Distance(srcPos, targetPos);
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}
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/// <summary>
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/// 判断两点之间距离 是否小于等于目标距离 XY平面
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/// </summary>
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/// <param name="srcPos">点1</param>
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/// <param name="targetPos">点2</param>
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/// <param name="dis">距离</param>
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/// <returns></returns>
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public static bool CheckObjDistanceXY(Vector3 srcPos, Vector3 targetPos, float dis)
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{
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return GetObjDistanceXY(srcPos, targetPos) <= dis;
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}
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#endregion
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#region 位置判断相关
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/// <summary>
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/// 判断世界坐标系下的某一个点 是否在屏幕可见范围外
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/// </summary>
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/// <param name="pos">世界坐标系下的一个点的位置</param>
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/// <returns>如果在可见范围外返回true，否则返回false</returns>
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public static bool IsWorldPosOutScreen(Vector3 pos)
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{
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//将世界坐标转为屏幕坐标
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Vector3 screenPos = Camera.main.WorldToScreenPoint(pos);
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//判断是否在屏幕范围内
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if (screenPos.x >= 0 && screenPos.x <= Screen.width &&
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screenPos.y >= 0 && screenPos.y <= Screen.height)
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return false;
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return true;
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}
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/// <summary>
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/// 判断某一个位置 是否在指定扇形范围内（注意：传入的坐标向量都必须是基于同一个坐标系下的）
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/// </summary>
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/// <param name="pos">扇形中心点位置</param>
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/// <param name="forward">自己的面朝向</param>
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/// <param name="targetPos">目标对象</param>
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/// <param name="radius">半径</param>
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/// <param name="angle">扇形的角度</param>
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/// <returns></returns>
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public static bool IsInSectorRangeXZ(Vector3 pos, Vector3 forward, Vector3 targetPos, float radius, float angle)
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{
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pos.y = 0;
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forward.y = 0;
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targetPos.y = 0;
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//距离 + 角度
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return Vector3.Distance(pos, targetPos) <= radius && Vector3.Angle(forward, targetPos - pos) <= angle / 2f;
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}
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#endregion
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#region 射线检测相关
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/// <summary>
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/// 射线检测 获取一个对象 指定距离 指定层级的
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/// </summary>
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/// <param name="ray">射线</param>
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/// <param name="callBack">回调函数（会把碰到的RayCastHit信息传递出去）</param>
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/// <param name="maxDistance">最大距离</param>
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/// <param name="layerMask">层级筛选</param>
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public static void RayCast(Ray ray, UnityAction<RaycastHit> callBack, float maxDistance, int layerMask)
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{
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RaycastHit hitInfo;
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if(Physics.Raycast(ray, out hitInfo, maxDistance, layerMask))
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callBack.Invoke(hitInfo);
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}
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/// <summary>
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/// 射线检测 获取一个对象 指定距离 指定层级的
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/// </summary>
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/// <param name="ray">射线</param>
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/// <param name="callBack">回调函数（会把碰到的GameObject信息传递出去）</param>
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/// <param name="maxDistance">最大距离</param>
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/// <param name="layerMask">层级筛选</param>
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public static void RayCast(Ray ray, UnityAction<GameObject> callBack, float maxDistance, int layerMask)
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{
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RaycastHit hitInfo;
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if (Physics.Raycast(ray, out hitInfo, maxDistance, layerMask))
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callBack.Invoke(hitInfo.collider.gameObject);
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}
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/// <summary>
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/// 射线检测 获取一个对象 指定距离 指定层级的
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/// </summary>
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/// <param name="ray">射线</param>
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/// <param name="callBack">回调函数（会把碰到的对象信息上挂在的指定脚本传递出去）</param>
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/// <param name="maxDistance">最大距离</param>
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/// <param name="layerMask">层级筛选</param>
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public static void RayCast<T>(Ray ray, UnityAction<T> callBack, float maxDistance, int layerMask)
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{
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RaycastHit hitInfo;
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if (Physics.Raycast(ray, out hitInfo, maxDistance, layerMask))
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callBack.Invoke(hitInfo.collider.gameObject.GetComponent<T>());
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}
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/// <summary>
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/// 射线检测 获取到多个对象 指定距离 指定层级
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/// </summary>
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/// <param name="ray">射线</param>
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/// <param name="callBack">回调函数（会把碰到的RayCastHit信息传递出去） 每一个对象都会调用一次</param>
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/// <param name="maxDistance">最大距离</param>
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/// <param name="layerMask">层级筛选</param>
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public static void RayCastAll(Ray ray, UnityAction<RaycastHit> callBack, float maxDistance, int layerMask)
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{
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RaycastHit[] hitInfos = Physics.RaycastAll(ray, maxDistance, layerMask);
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for (int i = 0; i < hitInfos.Length; i++)
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callBack.Invoke(hitInfos[i]);
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}
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/// <summary>
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/// 射线检测 获取到多个对象 指定距离 指定层级
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/// </summary>
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/// <param name="ray">射线</param>
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/// <param name="callBack">回调函数（会把碰到的GameObject信息传递出去） 每一个对象都会调用一次</param>
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/// <param name="maxDistance">最大距离</param>
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/// <param name="layerMask">层级筛选</param>
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public static void RayCastAll(Ray ray, UnityAction<GameObject> callBack, float maxDistance, int layerMask)
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{
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RaycastHit[] hitInfos = Physics.RaycastAll(ray, maxDistance, layerMask);
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for (int i = 0; i < hitInfos.Length; i++)
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callBack.Invoke(hitInfos[i].collider.gameObject);
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}
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/// <summary>
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/// 射线检测 获取到多个对象 指定距离 指定层级
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/// </summary>
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/// <param name="ray">射线</param>
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/// <param name="callBack">回调函数（会把碰到的对象信息上依附的脚本传递出去） 每一个对象都会调用一次</param>
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/// <param name="maxDistance">最大距离</param>
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/// <param name="layerMask">层级筛选</param>
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public static void RayCastAll<T>(Ray ray, UnityAction<T> callBack, float maxDistance, int layerMask)
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{
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RaycastHit[] hitInfos = Physics.RaycastAll(ray, maxDistance, layerMask);
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for (int i = 0; i < hitInfos.Length; i++)
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callBack.Invoke(hitInfos[i].collider.gameObject.GetComponent<T>());
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}
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#endregion
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#region 范围检测相关
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/// <summary>
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/// 进行盒装范围检测
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/// </summary>
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/// <typeparam name="T">想要获取的信息类型 可以填写 Collider GameObject 以及对象上依附的组件类型</typeparam>
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/// <param name="center">盒装中心点</param>
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/// <param name="rotation">盒子的角度</param>
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/// <param name="halfExtents">长宽高的一半</param>
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/// <param name="layerMask">层级筛选</param>
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/// <param name="callBack">回调函数 </param>
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public static void OverlapBox<T>(Vector3 center, Quaternion rotation, Vector3 halfExtents, int layerMask, UnityAction<T> callBack) where T : class
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{
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Type type = typeof(T);
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Collider[] colliders = Physics.OverlapBox(center, halfExtents, rotation, layerMask, QueryTriggerInteraction.Collide);
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for (int i = 0; i < colliders.Length; i++)
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{
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if (type == typeof(Collider))
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callBack.Invoke(colliders[i] as T);
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else if (type == typeof(GameObject))
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callBack.Invoke(colliders[i].gameObject as T);
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else
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callBack.Invoke(colliders[i].gameObject.GetComponent<T>());
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}
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}
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/// <summary>
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/// 进行球体范围检测
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/// </summary>
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/// <typeparam name="T">想要获取的信息类型 可以填写 Collider GameObject 以及对象上依附的组件类型</typeparam>
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/// <param name="center">球体的中心点</param>
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/// <param name="radius">球体的半径</param>
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/// <param name="layerMask">层级筛选</param>
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/// <param name="callBack">回调函数</param>
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public static void OverlapSphere<T>(Vector3 center, float radius, int layerMask, UnityAction<T> callBack) where T:class
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{
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Type type = typeof(T);
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Collider[] colliders = Physics.OverlapSphere(center, radius, layerMask, QueryTriggerInteraction.Collide);
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for (int i = 0; i < colliders.Length; i++)
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{
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if (type == typeof(Collider))
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callBack.Invoke(colliders[i] as T);
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else if (type == typeof(GameObject))
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callBack.Invoke(colliders[i].gameObject as T);
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else
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callBack.Invoke(colliders[i].gameObject.GetComponent<T>());
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}
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}
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#endregion
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}
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