我正在Unity中开发一款3D FPS游戏。目前，我正在实施一种墙上运行机制。这背后的逻辑非常简单 - 如果玩家向前推进，而不是接地，并且碰到墙壁，我会限制 Y/Z 方向(但玩家仍然可以向前跑，因为我忽略了 X 方向(并关闭重力。它似乎工作正常，有点笨拙，但对我来说还可以。除了，当墙壁被抛在后面时，玩家仍然能够在半空中奔跑，直到他耗尽惯性(这里是例子：https://i.stack.imgur.com/Nj0dQ.jpg(。代码如下：
using System.Collections.Generic;
using UnityEngine;
[RequireComponent(typeof(AudioSource))]
public class WallRunning : MonoBehaviour
{
public AudioClip audioClip;
private CharacterMovement cm;
private Rigidbody rb;
private bool isJumping;
public bool isWall;
private bool playAudio;
private AudioSource audioSource;
public float energyLimit = 3.5f;
private void Start()
{
//Get attached components so we can interact with them in our script.
cm = GetComponent<CharacterMovement>();
rb = GetComponent<Rigidbody>();
audioSource = GetComponent<AudioSource>();
}
private void FixedUpdate()
{
bool jumpPressed = Input.GetButtonDown("Jump");
float verticalAxis = Input.GetAxis("Vertical");
//Check if the controller is grounded.
if (cm.Grounded)
{
isJumping = false;
isWall = false;
}
//Has the jump button been pressed.
if (jumpPressed)
{
StartCoroutine(Jumping());
}
//If we are pushing forward, and not grounded, and touching a wall.
if (verticalAxis > 0 && isJumping && isWall)
{
StartCoroutine(Energy());
//We constrain the Y/Z direction to defy gravity and move off the wall.
//But we can still run forward as we ignore the X direction.
rb.useGravity = false;
rb.constraints = RigidbodyConstraints.FreezePositionY | RigidbodyConstraints.FreezePositionX | RigidbodyConstraints.FreezeRotation;
//We also telegraph to the player by playing a sound effect on contact.
if (audioClip != null && playAudio == true)
{
audioSource.PlayOneShot(audioClip);
//We block more audio being played while we are on the wall.
playAudio = false;
}
}
else
{
StopCoroutine(Energy());
//We need to make sure we can play audio again when touching the wall.
playAudio = true;
rb.useGravity = true;
rb.constraints = RigidbodyConstraints.FreezeRotation;
}
}
void OnCollisionEnter(Collision other)
{
//Are we touching a wall object?
if (other.gameObject.CompareTag("Walls"))
{
isWall = true;
}
}
void OnCollisionExit(Collision other)
{
//Did we stop touching the wall object?
if (!other.gameObject.CompareTag("Walls"))
{
isWall = false;
}
}
IEnumerator Jumping()
{
//Check for 5 frames after the jump button is pressed.
int frameCount = 0;
while (frameCount < 5)
{
frameCount++;
//Are we airbourne in those 5 frames?
if (!cm.Grounded)
{
isJumping = true;
}
yield return null;
}
}
IEnumerator Energy()
{
yield return new WaitForSeconds(energyLimit);
isWall = false;
}
}
注意：墙壁上有盒子碰撞器(未选中"是触发器"复选框(，并且玩家连接了非运动刚体和胶囊碰撞体。墙壁不会标记为"静态"并分配给默认图层，而播放器会分配给播放器图层。
我做错了什么？我确定我搞砸了代码，但无法找出问题所在。
替换
void OnCollisionExit(Collision other)
{
//Did we stop touching the wall object?
if (!other.gameObject.CompareTag("Walls"))
{
isWall = false;
}
}
跟
void OnCollisionExit(Collision other)
{
//Did we stop touching the wall object?
if (other.gameObject.CompareTag("Walls"))
{
isWall = false;
}
}