Unity3D蹲走动画抖动问题求助

我无法解决Unity3D中蹲走动画的卡顿问题——动画会不断被中断并重新播放。尝试过设置独立按键、调整Animator节点连接、用if-else分离动画逻辑，也查阅了大量资料，但问题仍未解决，希望能得到帮助和建议。

动画控制代码 #

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

public class Animation : MonoBehaviour
{

    public GameObject player;

    private float slowV = 0.3f;
    private float fastV = 1f;

    private float blendSpeed = .6f;

    private float time;
    private float timeX;

    private float timeY;

    private bool crouch;
    private bool crouch2;

    void Start()
    {
        time = 0;
        timeX = 0;
        timeY = 0;
        crouch = false;
        crouch2 = false;
    }

    void Update()
    {
        Debug.Log(crouch);

        if (Input.GetKey(KeyCode.LeftControl) && Input.GetKey(KeyCode.W))
        {
            player.GetComponent<Animator>().SetBool("crouchWalk", true);
            player.GetComponent<Animator>().SetBool("crouch", false);

        }
        else if (Input.GetKey(KeyCode.LeftControl))
        {
            player.GetComponent<Animator>().SetBool("crouch", true);
        }
        else
        {
            player.GetComponent<Animator>().SetBool("crouchWalk", false);
            player.GetComponent<Animator>().SetBool("crouch", false);

            if (Input.GetKey(KeyCode.W))
            {
                if (Input.GetKey(KeyCode.LeftShift))
                {
                    time = Mathf.Clamp(time + blendSpeed * Time.deltaTime, -fastV, fastV);
                    player.GetComponent<Animator>().SetFloat("y", time);
                }
                else
                {
                    if (time < slowV)
                    {
                        time = Mathf.Clamp(time + blendSpeed * Time.deltaTime, -fastV, slowV);
                        player.GetComponent<Animator>().SetFloat("y", time);
                    }
                    else
                    {
                        time = Mathf.Clamp(time - blendSpeed * Time.deltaTime, slowV, fastV);
                        player.GetComponent<Animator>().SetFloat("y", time);
                    }
                }
            }
            else if (Input.GetKey(KeyCode.S))
            {
                if (Input.GetKey(KeyCode.LeftShift))
                {
                    time = Mathf.Clamp(time - blendSpeed * 2 * Time.deltaTime, -fastV, fastV);
                    player.GetComponent<Animator>().SetFloat("y", time);
                }
                else
                {
                    if (time > -slowV)
                    {
                        time = Mathf.Clamp(time - blendSpeed * Time.deltaTime, -slowV, fastV);
                        player.GetComponent<Animator>().SetFloat("y", time);
                    }
                    else
                    {
                        time = Mathf.Clamp(time + blendSpeed * Time.deltaTime, -fastV, -slowV);
                        player.GetComponent<Animator>().SetFloat("y", time);
                    }
                }
            }
            else
            {
                if (time > 0f)
                {
                    time = Mathf.Clamp(time - blendSpeed * Time.deltaTime, 0f, 1f);
                }
                else
                {
                    time = Mathf.Clamp(time + blendSpeed * Time.deltaTime, -1f, 0f);
                }
                player.GetComponent<Animator>().SetFloat("y", time);
            }


            if (Input.GetKey(KeyCode.D))
            {
                if (Input.GetKey(KeyCode.LeftShift))
                {
                    timeX = Mathf.Clamp(timeX + blendSpeed * 2 * Time.deltaTime, -fastV, fastV);
                    player.GetComponent<Animator>().SetFloat("x", timeX);
                }
                else
                {
                    if (timeX < slowV)
                    {
                        timeX = Mathf.Clamp(timeX + blendSpeed * Time.deltaTime, -fastV, slowV);
                        player.GetComponent<Animator>().SetFloat("x", timeX);
                    }
                    else
                    {
                        timeX = Mathf.Clamp(timeX - blendSpeed * Time.deltaTime, slowV, fastV);
                        player.GetComponent<Animator>().SetFloat("x", timeX);
                    }
                }
            }
            else if (Input.GetKey(KeyCode.A))
            {
                if (Input.GetKey(KeyCode.LeftShift))
                {
                    timeX = Mathf.Clamp(timeX - blendSpeed * 2 * Time.deltaTime, -fastV, fastV);
                    player.GetComponent<Animator>().SetFloat("x", timeX);
                }
                else
                {
                    if (timeX > -slowV)
                    {
                        timeX = Mathf.Clamp(timeX - blendSpeed * Time.deltaTime, -slowV, fastV);
                        player.GetComponent<Animator>().SetFloat("x", timeX);
                    }
                    else
                    {
                        timeX = Mathf.Clamp(timeX + blendSpeed * Time.deltaTime, -fastV, -slowV);
                        player.GetComponent<Animator>().SetFloat("x", timeX);
                    }
                }
            }
            else
            {
                if (timeX > 0f)
                {
                    timeX = Mathf.Clamp(timeX - blendSpeed * Time.deltaTime, 0f, 1f);
                }
                else
                {
                    timeX = Mathf.Clamp(timeX + blendSpeed * Time.deltaTime, -1f, 0f);
                }

                player.GetComponent<Animator>().SetFloat("x", timeX);
            }

            if (Input.GetKey(KeyCode.Space))
            {
                player.GetComponent<Animator>().SetBool("jump", true);
            }
        }
    }
}

Animator控制器截图 #

内容的提问来源于stack exchange，提问作者J C