【发布时间】：2015-03-16 10:23:10
【问题描述】：
所以在过去的几天里，我一直在使用 mecanim 在 Unity3D 中制作角色控制器。它不是基于我自己的代码，而是基于我在网上找到的一个教程，当然该教程是针对 Unity 4 的，所以我在这里和那里遇到了一些小问题，但直到现在我都无法修复.
所以基本问题是我的角色似乎（无缘无故地）停止了所有的动力并在我尝试进行 180 度大转弯时慢慢转身，然后他又继续像往常一样奔跑，但我没有看看他为什么会突然停止转动。
这是我的角色逻辑脚本：
using UnityEngine;
using System.Collections;
public class characterLogic : MonoBehaviour {
[SerializeField]
private Animator animator;
[SerializeField]
private FollowCamera gamecam;
[SerializeField]
private float directionSpeed = 1.5f;
[SerializeField]
private float directionDampTime = 0.25f;
[SerializeField]
private float rotationDegreePerSecond = 120f;
[SerializeField]
private float speedDampTime = 0.05f;
private float speed = 0.0f;
private float direction = 0.0f;
private float charAngle = 0f;
private float horizontal = 0.0f;
private float vertical = 0.0f;
private AnimatorStateInfo stateInfo;
private AnimatorTransitionInfo transInfo;
private int m_LocomotionId = 0;
private int m_LocomotionPivotLId = 0;
private int m_LocomotionPivotRId = 0;
private int m_LocomotionPivotLTransId = 0;
private int m_LocomotionPivotRTransId = 0;
public Animator Animator
{
get
{
return this.animator;
}
}
public float Speed
{
get
{
return this.speed;
}
}
public float LocomotionThreshold { get { return 0.2f; } }
// Use this for initialization
void Start () {
animator = GetComponent<Animator>();
if(animator.layerCount >= 2)
{
animator.SetLayerWeight(1, 1);
}
m_LocomotionId = Animator.StringToHash("Base Layer.Locomotion");
m_LocomotionPivotLId = Animator.StringToHash("Base Layer.LocomotionPivotL");
m_LocomotionPivotRId = Animator.StringToHash("Base Layer.LocomotionPivotR");
m_LocomotionPivotLTransId = Animator.StringToHash("Base Layer.Locomotion -> Base Layer.LocomotionPivotL");
m_LocomotionPivotRTransId = Animator.StringToHash("Base Layer.Locomotion -> Base Layer.LocomotionPivotR");
}
public void keysToWorldSpace (Transform root, Transform camera, ref float directionOut, ref float speedOut, ref float angleOut, bool isPivoting){
Vector3 rootDirection = root.forward;
Vector3 keyDirection = new Vector3 (horizontal, 0, vertical);
speedOut = keyDirection.sqrMagnitude;
//get camera rotation
Vector3 cameraDirection = camera.forward;
cameraDirection.y = 0.0f;
Quaternion referentialShift = Quaternion.FromToRotation (Vector3.forward, cameraDirection);
//convert key input to world space coordinates
Vector3 moveDirection = referentialShift * keyDirection;
Vector3 axisSign = Vector3.Cross (moveDirection, rootDirection);
Debug.DrawRay (new Vector3(root.position.x, root.position.y + 2f, root.position.z), moveDirection, Color.green);
Debug.DrawRay (new Vector3(root.position.x, root.position.y + 2f, root.position.z), axisSign, Color.red);
Debug.DrawRay (new Vector3(root.position.x, root.position.y + 2f, root.position.z), rootDirection, Color.magenta);
Debug.DrawRay (new Vector3(root.position.x, root.position.y + 2f, root.position.z), keyDirection, Color.blue);
float angleRootToMove = Vector3.Angle(rootDirection, moveDirection) * (axisSign.y >= 0 ? -1f : 1f);
if (!isPivoting)
{
angleOut = angleRootToMove;
}
angleRootToMove /= 180f;
directionOut = angleRootToMove * directionSpeed;
}
// Update is called once per frame
void Update () {
if (animator) {
stateInfo = animator.GetCurrentAnimatorStateInfo(0);
transInfo = animator.GetAnimatorTransitionInfo(0);
horizontal = Input.GetAxis("Horizontal");
vertical = Input.GetAxis("Vertical");
charAngle = 0f;
direction = 0f;
keysToWorldSpace (this.transform, gamecam.transform, ref direction, ref speed, ref charAngle, isInPivot());
animator.SetFloat ("Speed", speed);
animator.SetFloat ("Direction", direction, directionDampTime, Time.deltaTime);
if(speed > LocomotionThreshold){
if(!isInPivot()){
Animator.SetFloat("Angle", charAngle);
}
}
if(speed < LocomotionThreshold && Mathf.Abs(horizontal) < 0.05f){
animator.SetFloat("Direction", 0f);
animator.SetFloat("Speed", speed, speedDampTime, Time.deltaTime);
}
Debug.Log(Speed);
Debug.Log(charAngle);
}
}
void FixedUpdate() {
if (IsInLocomotion () && ((direction >= 0 && horizontal >= 0) || (direction < 0 && horizontal < 0))) {
Vector3 rotationAmount = Vector3.Lerp(Vector3.zero, new Vector3(0f, rotationDegreePerSecond * (horizontal < 0f ? -1f : 1f), 0f), Mathf.Abs(horizontal));
Quaternion deltaRotation = Quaternion.Euler(rotationAmount * Time.deltaTime);
this.transform.rotation = (this.transform.rotation * deltaRotation);
}
}
public bool isInPivot(){
return stateInfo.fullPathHash == m_LocomotionPivotLId ||
stateInfo.fullPathHash == m_LocomotionPivotRId ||
transInfo.nameHash == m_LocomotionPivotLTransId ||
transInfo.nameHash == m_LocomotionPivotRTransId;
}
public bool IsInLocomotion(){
return stateInfo.fullPathHash == m_LocomotionId;
}
}
我相信它要么与此脚本有关，要么与 mecanim 中的过渡有关。我还将教程的成品（在此处找到：https://github.com/jm991/UnityThirdPersonTutorial）移植到 Unity 5 并且在那里没有遇到同样的问题，我不完全确定给我这个问题的区别是什么，但如果有的话你知道或发现，请告诉我。
【问题讨论】：
标签： c# unity3d logic game-physics