How to get my character to collide with objects

Hi, I've been working on a small project for a few days and finally got a character controller working. I'm now working on it colliding with an object, but it keeps going through the object. I've tried using a rigid body and a character controller from the physics components but nothing really works as expected. I only had luck with the rigid body but it would push around the object.

Preferably I would like to get the character controller working. Here is my code so far for my charactercontroller script:

 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
 
 public class MechController : MonoBehaviour {
 
     static Animator anim;
     public float Speed = 20.0F;
     public float rotationSpeed = 100.0F;
     CharacterController controller;
     float currentSpeed; 
 
     Rigidbody rbody;
 
     void Start()
     {
         anim = GetComponent<Animator>();
         Debug.Log (anim.name);
         rbody = GetComponent<Rigidbody> ();
         controller = GetComponent<CharacterController> ();
     }
 
     void Update() {
 
         float translation = Input.GetAxis ("Vertical") * Speed;
         float rotation = Input.GetAxis ("Horizontal") * rotationSpeed;
         translation *= Time.deltaTime;
         rotation *= Time.deltaTime;
         transform.Translate (0, 0, translation);
         transform.Rotate (0, rotation, 0);
 
         if(Input.GetButtonDown("Jump")) 
         {
             anim.SetTrigger("isJumping");
         }
 
         if(translation != 0) 
         {
             anim.SetBool("isRunning", true);
 
         } 
         else 
         {
             anim.SetBool ("isRunning", false);
         }
             
         Vector3 velocity = transform.forward * currentSpeed;
 
         controller.Move(velocity * Time.deltaTime);
         currentSpeed = new Vector2 (controller.velocity.x, controller.velocity.z).magnitude;
     }
 
 }

Any tips or tricks would be awesome. Thanks for your time! -Bobby