角色移动旋转问题？

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电梯直达

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发表于 2013-5-31 08:41:15 |只看该作者 |倒序浏览

这是我参考unity官方Stealth 01的角色移动脚本，
我是将它改成顺着摄影机的座标作角色移动，
可是遇到一个大问题，当我移动的时候是可以顺着摄影机的座标座移动，
可是按键一放开，出现这样的讯息：“Look rotation viewing vector is zero”
角色又旋转到原本方向......（应该是Rotating()的问题，可是不知道怎么改）
请问我该怎么改让他停下来依然在原来的方向？
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using UnityEngine;
using System.Collections;

public class PlayerMovement : MonoBehaviour
{
public AudioClip shoutingClip;    // Audio clip of the player shouting.
public float turnSmoothing = 15f; // A smoothing value for turning the player.
public float speedDampTime = 0.1f;  // The damping for the speed parameter


private Animator anim;             // Reference to the animator component.
private HashIDs hash;          // Reference to the HashIDs.


void Awake ()
{
      // Setting up the references.
      anim = GetComponent<Animator>();
      hash = GameObject.FindGameObjectWithTag(Tags.gameController).GetComponent<HashIDs>();

      // Set the weight of the shouting layer to 1.
      anim.SetLayerWeight(1, 1f);
}


void FixedUpdate ()
{
      // Cache the inputs.
      float h = Input.GetAxis("Horizontal");
      float v = Input.GetAxis("Vertical");
      bool dodge = Input.GetButton("Dodge");

      MovementManagement(h, v, dodge);
}


void Update ()
{
      // Cache the attention attracting input.
      bool jump = Input.GetButtonDown("Jump");
      bool attack = Input.GetButtonDown ("Fire1");

      // Set the animator shouting parameter.
      anim.SetBool(hash.jumpingBool, jump);
      anim.SetBool(hash.attackingBool, attack);
}


void MovementManagement (float horizontal, float vertical, bool dodging)
{
      // Set the sneaking parameter to the sneak input.
      anim.SetBool(hash.dodgingBool, dodging);

      // If there is some axis input...
      if(horizontal != 0f || vertical != 0f)
      {
         // ... set the players rotation and set the speed parameter to 5.5f.
         Rotating(horizontal, vertical);
         anim.SetFloat(hash.speedFloat, 5.5f, speedDampTime, Time.deltaTime);
      }
      else
         // Otherwise set the speed parameter to 0.
         anim.SetFloat(hash.speedFloat, 0);
}


void Rotating (float horizontal, float vertical)
{
      float v = Input.GetAxisRaw("Vertical");
      float h = Input.GetAxisRaw("Horizontal");

      Transform cameraTransform = Camera.main.transform;
      Vector3 forward = cameraTransform.TransformDirection(Vector3.forward);
      forward.y = 0;
      forward = forward.normalized;

      Vector3 right = new Vector3(forward.z, 0, -forward.x);

      Vector3 targetDirection = h * right + v * forward;

      // Create a new vector of the horizontal and vertical inputs.
      //targetDirection = new Vector3(horizontal, 0f, vertical);

      // Create a rotation based on this new vector assuming that up is the global y axis.
      Quaternion targetRotation = Quaternion.LookRotation(targetDirection, Vector3.up);

      // Create a rotation that is an increment closer to the target rotation from the player's rotation.
      Quaternion newRotation = Quaternion.Lerp(rigidbody.rotation, targetRotation, turnSmoothing * Time.deltaTime);

      // Change the players rotation to this new rotation.
      rigidbody.MoveRotation(newRotation);
}

}

角色, 旋转