[UNITY] - Basic Platformer Code

using UnityEngine;
using System.Collections;

public class PlayerControl: MonoBehaviour {

    public float mSpd = 50f;
    public float maxSpd = 8f;
    public float jmpSpd = 400f;
    bool isWalking;
    public bool onWall=false;
    int wallJumps = 0;
    float defaultGravity;
    int maxWJmps = 3;
    bool canDoubleJmp;
    Vector2 jumpFace;


    public bool onGround=false;
    Animator anim;

    private Rigidbody2D body;

    void Start () {
        anim = GetComponent<Animator> ();
        body = gameObject.GetComponent<Rigidbody2D> ();
        defaultGravity = body.gravityScale;
    }

    // Update is called once per frame
    void Update () {

        float hspd = Input.GetAxis("Horizontal");

        if (Input.GetAxis("Horizontal") != 0) {
            isWalking=true;
        }else
        {
            isWalking=false;
        }

        //Set scale based on walk direction
        if (Input.GetAxis ("Horizontal") < 0) {
                jumpFace = Vector2.right;
                transform.localScale = new Vector3 (-1, 1, 1);
        }

        if (Input.GetAxis ("Horizontal") > 0) {
                jumpFace = Vector2.left;
                transform.localScale = new Vector3 (1, 1, 1);
        }

        // Movement
        body.AddForce (Vector2.right * mSpd * hspd);


        if (onGround && wallJumps > 0)
            wallJumps = 0;

        if (onWall && !onGround && wallJumps < maxWJmps) {
            body.gravityScale = 0;
            body.velocity = new Vector2(body.velocity.x, 0);

        } else if (!onWall) {
            body.gravityScale = defaultGravity;
        }

        if (Input.GetButtonDown ("Jump")) {
            if (onGround) {
                body.AddForce (Vector2.up * jmpSpd);
                canDoubleJmp = true;
            }else if (canDoubleJmp) {
                canDoubleJmp = false;
                anim.Play("Player_DoubleJump");
                body.velocity = new Vector2 (body.velocity.x, 0);
                body.AddForce (Vector2.up * jmpSpd );
            }

            if(onWall && wallJumps < maxWJmps)
            {
                body.velocity = new Vector2 (body.velocity.x, 0);
                body.AddForce (Vector2.up * jmpSpd);
                body.velocity = new Vector2 (0, body.velocity.y);
                body.AddForce (jumpFace * jmpSpd);
                wallJumps++;
                canDoubleJmp = true;
            }


        }

        anim.SetBool ("onGround", onGround);
        anim.SetBool ("Walking",isWalking);
        anim.SetBool ("onWall", onWall);
    }

    void FixedUpdate()
    {






        if (body.velocity.x > maxSpd) {
            body.velocity = new Vector2 (maxSpd, body.velocity.y);
        }
        if (body.velocity.x < -maxSpd) {
            body.velocity = new Vector2 (-maxSpd, body.velocity.y);
        }

    }
}