Персонаж проходит сквозь стены, пол и другие объекты

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
 
public class Pcontroller : MonoBehaviour
{
    public GameObject cam;
 
    Quaternion StartingRotation;
 
    float Ver, Hor, Jump, RotHor, RotVer;
 
    bool isGround;
 
    public float Speed = 50, JumpSpeed = 5000, senssensitivity = 5;
 
    void Start()
    {
        StartingRotation = transform.rotation;
    }
 
    void OnCollisionStay(Collision other)
    {
        if(other.gameObject.tag == "Ground")
        {
            isGround = true;
        }
    }
    void OnCollisionExit(Collision other)
    {
        if(other.gameObject.tag == "Ground")
        {
            isGround = false;
        }
    }
 
 
    void Update()
    {
        RotHor += Input.GetAxis("Mouse X") * senssensitivity;
        RotVer += Input.GetAxis("Mouse Y") * senssensitivity;
 
        RotVer = Mathf.Clamp(RotVer, -60, 60);
 
        Quaternion RotY = Quaternion.AngleAxis(RotHor, Vector3.up);
        Quaternion RotX = Quaternion.AngleAxis(-RotVer, Vector3.right);
 
        cam.transform.rotation = StartingRotation * transform.rotation * RotX;
        transform.rotation = StartingRotation * RotY;
 
        if (isGround)
        {
            Ver = Input.GetAxis("Vertical") * Time.deltaTime * Speed;
            Hor = Input.GetAxis("Horizontal") * Time.deltaTime * Speed;
            Jump = Input.GetAxis("Jump") * Time.deltaTime * JumpSpeed;
            GetComponent<Rigidbody>().AddForce(transform.up * Jump, ForceMode.Impulse);
        }
        transform.Translate(new Vector3(Hor, 0, Ver));
    }
}