How-to Player controller, animation, scripting, etc

https://docs.unity3d.com/560/Documentation/Manual/Preparingacharacterfromscratch.html

Uses Unity’s humanoid character rig, controls animations by using a integer(“condition”) and transitioning

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class KnightController : MonoBehaviour
{
    float speed = 4;
    float rotSpeed = 80;
    float rot = 0f;
    float gravity = 8;

    Vector3 moveDir = Vector3.zero;

    CharacterController controller;
    Animator anim;

    void Start()
    {
        controller = GetComponent<CharacterController>();
        anim = GetComponent<Animator>();
    }

    void Update()
    {
        if (controller.isGrounded)
        {
            if (Input.GetKey(KeyCode.W))
            {
                anim.SetInteger("condition", 1);
                moveDir = new Vector3(0,0,1);
                moveDir *= speed;
                moveDir = transform.TransformDirection(moveDir);
            }
            if (Input.GetKeyUp(KeyCode.W))
            {
                anim.SetInteger("condition",0);
                moveDir = new Vector3(0,0,0);
            }
            rot += Input.GetAxis("Horizontal") * rotSpeed * Time.deltaTime;
            transform.eulerAngles = new Vector3(0,rot,0);

            moveDir.y = gravity * Time.deltaTime;
            controller.Move(moveDir * Time.deltaTime);
        }
    }

}