有没有办法切断实例化文本的一部分？

Question

我有一个学校项目，我的同学正在制作有关邮局的VR游戏，您可以在其中简单地打包包裹并将其发送给公众。在我们的菜单中，我们印有与不同难度相对应的印章，当您在某个盒子上印章时，这些​​印章将设置等级。我已经编码，因此无论何时使用图章，它都会以相应的难度实例化文本。下面的代码：

public class Stampspawner : MonoBehaviour
{

    public GameObject stampDifficultyPrefab;
    public float timer;
    private string stampDifficulty;
    void Update()
    {
        timer -= Time.deltaTime;

    }

    void OnTriggerEnter(Collider other)
    {
        if (timer <= 0)
        {
            if (gameObject.name == "StampLower_StampLower")
            {
                stampDifficulty = "LÄTT";
            }

            else if (gameObject.name == "stamplower1_stamplower1")
            {
                stampDifficulty = "LAGOM";
            }

            else if (gameObject.name == "Teeth_Teeth")
            {
                stampDifficulty = "SVÅR";
            }

            stampDifficultyPrefab.GetComponent<TextMesh>().text = 
            stampDifficulty; 
            GameObject go = Instantiate(stampDifficultyPrefab, 
            transform.position, 
            Quaternion.identity, other.transform);

            if (gameObject.name == "Teeth_Teeth") 
            {
                go.transform.rotation = gameObject.transform.rotation * 
                Quaternion.Euler(90, 180, 270);
            }
            else if (gameObject.name == "StampLower_StampLower")
            {
                go.transform.rotation = gameObject.transform.rotation * 
                Quaternion.Euler(90, 270, 270);
            }
            else
            {
                go.transform.rotation = gameObject.transform.rotation * 
                Quaternion.Euler(90, 90, 270);
            }

            timer = 2f;
        }   
    }
}

在这张照片上，我使用印章在桌子的边缘上盖章，从而使文本在桌子的一半内侧和一半外侧产生。