这个案例实现的动作并不复杂，主要包含一个 跳跃动作、攻击动作、还有一个包含三个动画状态的动画混合树。然后设置三个参数来控制切换。

状态机结构如下：

完整代码

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

public class GirlAnimacON : MonoBehaviour
{
    AudioSource OneAudioSour;
    public AudioClip RunVoiceClip;
    public AudioClip JumpVoiceClip;
    public AudioClip AttackVoiceClip;

    // 这个脚本实现控制角色动画播放以及声音播放
    Animator GirlsAnimator;
    float SpeedGirlsMove;

    bool TunMove=false;
    int TunMo = 0;
    void Start()
    {
        OneAudioSour = this.GetComponent<AudioSource>();
        GirlsAnimator = this.GetComponent<Animator>();
        //游戏初始化
        GirlsAnimator.SetBool("MoveBlend", false);
        GirlsAnimator.SetBool("Jump", false);
        GirlsAnimator.SetBool("Attack", false);
        TunMove = false;
        SpeedGirlsMove = 0f;
    }
  
    void Update()
    {
        ControllAnima();
    }
    /// <summary>
    /// 控制Player动画
    /// </summary>
    void ControllAnima()
    {
        if (Input.GetKey(KeyCode.W))
        {
            TunMove = false;//开关
            TunMo = 0;//开关
            //  开始移动动画的播放
            GirlsAnimator.SetBool("MoveBlend", true);
            SpeedGirlsMove += 0.1f;
            SpeedGirlsMove = Mathf.Clamp(SpeedGirlsMove, 0f, 20f);//限制最大最小数值
        }
        //else if (!Input.GetKey(KeyCode.W))
        //{
        //    SpeedGirlsMove -= 0.1f;
        //    SpeedGirlsMove = Mathf.Clamp(SpeedGirlsMove, 0f, 20f);//限制最大最小数值
        //}
        //--------------------------------
        if (Input.GetKeyUp(KeyCode.W))
        {//只执行一次
            TunMove = true;
            TunMo = 1;
        }
        if (TunMove)
        {
            SpeedGirlsMove -= 0.1f;
            SpeedGirlsMove = Mathf.Clamp(SpeedGirlsMove, 0f, 20f);//限制最大最小数值
        }

        GirlsAnimator.SetFloat("MoveSpeed", SpeedGirlsMove);


        //------------------------------------------------控制其他动画-----------------------
        if (GirlsAnimator.GetCurrentAnimatorStateInfo(0).IsName("MoveBlend"))
        {
            GirlsAnimator.SetBool("MoveBlend", false);
        }

        //------------------------------------------------控制其他动画-----------------------

        if (Input.GetKeyDown(KeyCode.Space))
        {

            //  开始跳跃动画的播放
            GirlsAnimator.SetBool("Jump", true);
            OneAudioSour.clip = AttackVoiceClip;//修改默认声音片段到组件中
            OneAudioSour.Play();//播放声音
        }

        if (GirlsAnimator.GetCurrentAnimatorStateInfo(0).IsName("JUMP"))
        {
            GirlsAnimator.SetBool("Jump", false);
        }
        //------------------------------------------------控制gongji动画-----------------------
        if (Input.GetMouseButtonDown(0))
        {
            //  开始攻击动画的播放
            GirlsAnimator.SetBool("Attack", true);
            OneAudioSour.clip = AttackVoiceClip;
            OneAudioSour.Play();
            //OneAudioSour.PlayOneShot(AttackVoiceClip);

        }
        if (GirlsAnimator.GetCurrentAnimatorStateInfo(0).IsName("Attack"))
        {
            GirlsAnimator.SetBool("Attack", false);
        }
        //------------------------------------------------控制其他动画-----------------------
    }
    public void PlayRunVoice1()
    {
        Debug.Log("跑步动画播到15帧了！开始播放跑步声音");
        OneAudioSour.clip = RunVoiceClip;
        OneAudioSour.Play();
    }
    public void PlayRunVoice2()
    {
        OneAudioSour.clip = RunVoiceClip;
        OneAudioSour.Play();
        Debug.Log("跑步动画播到30帧了！开始播放跑步声音");
    }

}