unity中animator中Trigger多次触发动画解决方法

前两天开发游戏时遇到一个十分令人心态爆炸的问题，我在做一个角色动画控制的时候，想用trigger来控制角色的攻击，但是测试的时候发现攻击动画会触发两次，后来找了半天终于看到了b站傅老師MrFu的黑魂复刻的视频中的解决方案。

Idle状态到Attack状态需触发命名为attack的Trigger，从Attack回到Idle则不用任何条件，如果控制Trigger触发时，连续播放了两次Attack的动画就可以继续使用接下来的步骤。

为其挂载一个新代码命名为FSMCleaSignals，并将以下代码粘贴于代码页中。

public class FSMCleaSignals : StateMachineBehaviour
{
    public string[] ckearAtEnter;
    public string[] ckearAtExit;
    // OnStateEnter is called when a transition starts and the state machine starts to evaluate this state
    override public void OnStateEnter(Animator animator, AnimatorStateInfo stateInfo, int layerIndex)
    {
        foreach (var signal in ckearAtEnter)
        {
            animator.ResetTrigger(signal);
        }
    }

    // OnStateUpdate is called on each Update frame between OnStateEnter and OnStateExit callbacks
    //override public void OnStateUpdate(Animator animator, AnimatorStateInfo stateInfo, int layerIndex)
    //{
    //    
    //}

    // OnStateExit is called when a transition ends and the state machine finishes evaluating this state
    override public void OnStateExit(Animator animator, AnimatorStateInfo stateInfo, int layerIndex)
    {
        foreach (var signal in ckearAtExit)
        {
            animator.ResetTrigger(signal);
        }
    }

    // OnStateMove is called right after Animator.OnAnimatorMove()
    //override public void OnStateMove(Animator animator, AnimatorStateInfo stateInfo, int layerIndex)
    //{
    //    // Implement code that processes and affects root motion
    //}

    // OnStateIK is called right after Animator.OnAnimatorIK()
    //override public void OnStateIK(Animator animator, AnimatorStateInfo stateInfo, int layerIndex)
    //{
    //    // Implement code that sets up animation IK (inverse kinematics)
    //}
}

Element中填的是你要清空的Trigger的名字。

如果将代码挂载在Idle上，则将需要清空的Trigger填在CkearAtEnter中。

全文的思路来源于：https://www.bilibili.com/video/av21513489/?p=14