我正在制作一个 FPS 游戏,并且我正在尝试编写一种方法来检测敌人何时可以看到我。我使用光线投射来做到这一点。
我有一个问题,即光线投射并不总是击中(巨大的)盒子对撞机,我希望它总是击中。
光线投射发生在我的 AIShooting 脚本中,我希望它能够击中我角色的盒子对撞机。
AIShooting 脚本如下所示:
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class AIShooting : MonoBehaviour {
private GameObject _playerCharacter; //reference to the player controlled character
private CharacterController _playerCharacterController;
private Collider _characterCollider;
private GameObject _characterWeapon; //reference to the weapon held by the AI
private int _offSetY = 1; //offset from player controlled character pivot point, so it shoots the character in the center
//private LineRenderer _lineRenderer;
// Use this for initialization
void Start () {
_playerCharacter = GameObject.Find("Character");
_playerCharacterController = _playerCharacter.GetComponent<CharacterController>();
_characterWeapon = _playerCharacter.GetComponent<Character>().EquipedWeapons[0];
_characterCollider = _playerCharacter.GetComponent<BoxCollider>();
}
// Update is called once per frame
void Update () {
this.transform.LookAt(_playerCharacter.transform);
LookForEnemyByShootingRayCast();
}
void LookForEnemyByShootingRayCast()
{
Vector3 _shootTarget = new Vector3(_playerCharacter.transform.position.x, _playerCharacter.transform.position.y + _offSetY, _playerCharacter.transform.position.z);
RaycastHit hit;
if (Physics.Raycast(this.transform.position, _shootTarget, out hit, 10000)) //if the ray cast collides with object
{
Debug.DrawLine(this.transform.position, _shootTarget, Color.red); //make the ray cast visible in scene view
if (hit.transform.name == _characterCollider.transform.name ) //if the raycast hits the character collider
{
Debug.Log("THE ENEMY SEES YOU");
}
Debug.Log(hit.transform.name);
}
}
}
我用 a 使光线投射可见Debug.Drawline()
,它看起来像这样。光线从右边的角色射向左边的角色(使用巨大的盒子碰撞器)。
然而,这条线Debug.Log("THE ENEMY SEES YOU");
只有在我真的非常接近敌方角色时才会触发,即便如此,它也会发生在某些位置并且根本不一致。
提前致谢!