Assets/Scripts/GrabStateMachine.cs


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using UnityEngine;

public class GrabStateMachine : MonoBehaviour
{
    private bool grabbing = false;

    // 动画组件引用（需要在Inspector面板赋值，或通过代码自动获取）
    [Header("动画组件引用")]
    [SerializeField] private Animator anim;

    // 按键设置（可在Inspector面板修改，无需硬编码）
    [Header("控制按键")]
    [SerializeField] private KeyCode grabKey = KeyCode.G;

    /// <summary>
    /// 初始化
    /// </summary>
    private void Start()
    {
        anim = GetComponent<Animator>();
    }

    private void Update()
    {
        DetectGrabKeyInput();
        UpdateAnimatorState();
    }

    private void DetectGrabKeyInput()
    {
        if (Input.GetKey(grabKey))
        {
            grabbing = true;
        }

        if (Input.GetKeyUp(grabKey))
        {
            grabbing = false;
        }
    }


    private void UpdateAnimatorState()
    {
        anim.SetBool("grabbing", grabbing);
    }
}