Unity在编辑面板展示自定义的类

 public class Boundary

    
 {
    
     public float xMin, xMax, zMin, zMax;
    
 }
    
 public class PlayerController : MonoBehaviour
    
 {
    
     public float speed;
    
     public Boundary boundary;
    
     private void FixedUpdate()
    
     {
    
     float moveHorizontal = Input.GetAxis("Horizontal");
    
     float moveVertical = Input.GetAxis("Vertical");
    
  
    
     Vector3 movement = new Vector3(moveHorizontal, 0.0f, moveVertical);
    
     Rigidbody rigidbody = GetComponent<Rigidbody>();
    
     rigidbody.velocity = movement * speed;
    
  
    
     ri