Unity 精准伤害检测

using System;
using UnityEngine;

public class TestGameAnimEevnt : MonoBehaviour {
    [Range(0,1)]
    public float timeScale = 1;
    public Transform[] checkPointsTrans;
    public Vector3[] checkPointsOld;
    public bool check;
    private RaycastHit[] raycastHit = new RaycastHit[16];
    
    void Start() {
        checkPointsOld = new Vector3[checkPointsTrans.Length];
    }
    
    void FixedUpdate() {
        Time.timeScale = timeScale;
        
        if (check) {
            for (int i = 0; i < checkPointsTrans.Length; i++) {
                Check(checkPointsOld[i], checkPointsTrans[i].position);
                Debug.DrawLine(checkPointsOld[i], checkPointsTrans[i].position, Color.red);
                checkPointsOld[i] = checkPointsTrans[i].position;
            }
        }
    }

    private void Check(Vector3 startPoint, Vector3 endPoint) {
        Vector3 dir = endPoint - startPoint;
        var lineDistance = dir.magnitude;
        Array.Clear(raycastHit, 0, raycastHit.Length);
        // 射线检测
        int hits = Physics.RaycastNonAlloc(startPoint, dir.normalized, raycastHit, lineDistance);//障碍物层级
        for (int i = 0; i < hits; i++) {
            Debug.Log(raycastHit[i].collider.gameObject.name);
        }
    }
    
    // 开启检测
    public void TestEventOpen() {
        for (int i = 0; i < checkPointsTrans.Length; i++) {
            checkPointsOld[i] = checkPointsTrans[i].position;
        }

        check = true;
    }
    
    // 关闭检测
    public void TestEventClose() {
        check = false;
    }
}