Actor Run(角色奔跑)

1.将动作导入Blend Tree中，利用threshoder修改动作时间
2.玩家键入通过程式化控制角色动作

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class PlayerInput : MonoBehaviour
{
    [Header("==== Key settings ====")]
    public string keyUp = "w";
    public string keyDown = "s";
    public string keyLeft = "a";
    public string keyRight = "d";

    public string keyA;
    public string keyB;
    public string keyC;
    public string keyD;

    [Header("==== Output signal ====")]
    public float Dup;
    public float Dright;
    public float Dmag;
    public Vector3 Dvec;
    //1.pressing signal   按压式
    public bool run;
    //2.trigger once signal  一次性触发
    //3.double trigger 

    [Header("==== Others ====")]
    public bool inputEnabled = true;

    private float targeDup;
    private float targeDright;
    private float velocityDup;
    private float veolcityDright;

    // Use this for initialization
    void Start()
    {

    }

    // Update is called once per frame
    void Update()
    {
        //keyup keyright 转 signal
        targeDup = (Input.GetKey(keyUp) ? 1.0f : 0) - (Input.GetKey(keyDown) ? 1.0f : 0);
        targeDright = (Input.GetKey(keyRight) ? 1.0f : 0) - (Input.GetKey(keyLeft) ? 1.0f : 0);

        if(inputEnabled == false)//软开关  清零targeDup targeDright
        {
            targeDup = 0;
            targeDright = 0;
        }
        //平滑阻尼 不会很僵硬变到某一个值
        Dup = Mathf.SmoothDamp(Dup, targeDup, ref velocityDup, 0.1f);
        Dright = Mathf.SmoothDamp(Dright, targeDright, ref veolcityDright, 0.1f);
        Dmag = Mathf.Sqrt(Dup * Dup) + (Dright * Dright);
        //坐标系计算+动画补间旋转
        Dvec = Dright * transform.right + Dup * transform.forward;


        run = Input.GetKey(keyA);
    }
}

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class ActorController : MonoBehaviour
{

    public GameObject model;
    public PlayerInput pi;
    public float WalkSpeed = 2.0f;
    public float runMultiplier = 2.0f;//跑步速度 可视化控制


    [SerializeField]//把Animator暂时显示到unity
    private Animator anim;
    private Rigidbody rigid;//Rigidbody 不能在updata中调用 要在Fixedupdata中调用
    private Vector3 movingVec;//用于储存玩家意图


    // Use this for initialization
    void Awake()
    {
        //获取组件
        pi = GetComponent<PlayerInput>();
        anim = model.GetComponent<Animator>();//吃一个模型
        rigid = GetComponent<Rigidbody>();
    }

    // Update is called once per frame
    void Update()
    {
        //坐标系计算+动画补间旋转
        anim.SetFloat("forward", pi.Dmag*((pi.run)?2.0f:1.0f));//把Dup的值喂给Animator里面的forwad

        if (pi.Dmag > 0.1f)//增加判断 如果按键时间大于0.1秒那么就不转回到前面
        {
            model.transform.forward = pi.Dvec;
        }
        movingVec = pi.Dmag * model.transform.forward*WalkSpeed*((pi.run)?runMultiplier:1.0f);//玩家操作存量大小*当下模型正面=玩家意图 把玩家意图存在这个变量里面
    }
    private void FixedUpdate() //undata是每秒60帧，达到和显示屏一样的刷新速度 而fixedupdata（物理引擎） 每秒50帧
    {
        //rigid.position += movingVec * Time.fixedDeltaTime;//增加一段距离（）每秒1个单位  速度乘时间来改位移
        rigid.velocity = new Vector3(movingVec.x, rigid.velocity.y, movingVec.z);//直接指派速度
    }
}