using UnityEngine;
///
/// 攻击范围检测
///
public class AttackCHeck : Singleton
{
///
/// 扇形范围检测
///
/// 自己的位置
/// 目标的位置
/// 攻击的半径
/// 攻击的角度
public static bool TheFanTest(Transform my, Transform target, float SkillDistance, float SkillJiaodu)
{
//与敌人的距离
float distance = Vector3.Distance(my.position, target.position);
//玩家正前方的向量
Vector3 norVec = my.rotation * Vector3.forward;
//玩家与敌人的方向向量
Vector3 temVec = target.position - my.position;
//求两个向量的夹角
float jiajiao = Mathf.Acos(Vector3.Dot(norVec.normalized, temVec.normalized)) * Mathf.Rad2Deg;
if (distance < SkillDistance)
{
if (jiajiao <= SkillJiaodu * 0.5f)
{
Debug.Log("在扇形范围内");
return true;
}
}
return false;
}
///
/// 长方形范围检测
///
/// 自己的位子
/// 目标的位置
///
public static bool RectangleDetection(Transform my, Transform target)
{
//计算玩家与敌人的距离
float distance = Vector3.Distance(my.position, target.position);
//玩家与敌人的方向向量
Vector3 temVec = target.position - my.position;
//与玩家正前方做点积
float forwardDistance = Vector3.Dot(temVec, my.forward.normalized);
if (forwardDistance > 0 && forwardDistance <= 10)
{
float rightDistance = Vector3.Dot(temVec, my.right.normalized);
if (Mathf.Abs(rightDistance) <= 3)
{
Debug.Log("进入攻击范围");
return true;
}
}
return false;
}
///
/// 半圆范围检测
///
/// 自己的位置
/// 目标的位置
///
public static bool SemicircleDetection(Transform my, Transform target)
{
//计算玩家与敌人的距离
float distance = Vector3.Distance(my.position, target.position);
//玩家与敌人的方向向量
Vector3 temVec = target.position - my.position;
//与玩家正前方做点积
float forwardDistance = Vector3.Dot(temVec, my.forward.normalized);
if (forwardDistance > 0 && forwardDistance <= 10)
{
if (distance <= 5)
{
Debug.Log("进入攻击范围");
return true;
}
}
return false;
}
///
/// 圆形范围检测
///
/// 自己的位置
/// 敌人的位置
/// 最小距离
/// 最大距离
///
public static bool CircleRange(Transform my, Transform target, float minDistance, float maxDistance)
{
float distance = Vector3.Distance(target.position, my.position);
if (distance <= maxDistance && distance >= minDistance)
{
return true;
}
else
{
return false;
}
}
///
/// 等腰三角形检测
///
/// 自己的位置
/// 目标的位置
/// 最大距离
/// 最大角度
///
public static bool TriangleRange(Transform my, Transform target, float maxDistance, float maxAngle)
{
Vector3 playerDir = my.forward;
Vector3 enemydir = (target.position - my.position).normalized;
float angle = Vector3.Angle(playerDir, enemydir);
if (angle > maxAngle * 0.5f)
{
return false;
}
float angleDistance = maxDistance * Mathf.Cos(maxAngle * 0.5f * Mathf.Deg2Rad) / Mathf.Cos(angle * Mathf.Deg2Rad);
float distance = Vector3.Distance(target.position, my.position);
if (distance <= angleDistance)
{
return true;
}
return false;
}
}
