Punch with duration and Combo

//Pasted here, since stack overflow says 3000 characters exceeded...
//This should work for what you want :D
{
     public float playerSpeed, jumpForce;
     public bool grounded;
     public Transform groundedEnd;

     //Assign these via inspector btw
     [Tooltip("How long a punch lasts, from start to end")]
     public float punchDuration;
     [Tooltip("How long a combo lasts, should always be bigger than punchDuration")]
     public float comboDuration;

     private float moveX;
     private int comboCount;
     private float punchTimeElapsed;


     private bool hasCombo;
     private bool attacking;
     private bool faceRight;

     Animator anim;
     Rigidbody2D rigidbody;

    void Awake()
    {
        grounded = false;
        attacking = false;
        hasCombo = false;
        comboCount = 0;
        punchTimeElapsed = 0f;
        comboTimeElapsed = 0f;
    }

     void Start()
     {
         anim = GetComponent<Animator> ();
         rigidbody = GetComponent<Rigidbody2D>();
     }

     // Update is called once per frame
     void Update ()
     {
         Raycasting ();
         attackInput ();
         TimersUpdate();
     }

     void FixedUpdate()
     {
         PlayerMove ();
         handleAttacks ();
         //resetValues ();
     }

     void TimersUpdate()
     {
         if (attacking)
         {
             punchTimeElapsed += Time.deltaTime;
             if ( punchTimeElapsed > punchDuration )
                 EndPunch();
         }

         if (hasCombo)
         {
             comboTimeElapsed += Time.deltaTime;
             if ( comboTimeElapsed > comboDuration)
                 EndCombo();
         }
     }

     void EndPunch()
     {
        attacking = false;//Now he can move btw
        punchTimeElapsed = 0f;
     }

    void EndCombo()
    {
        hasCombo = false;
        comboTimeElapsed = 0f;
        comboCount = 0;
    }

     //attacking
     private void handleAttacks ()
     {
         if (attacking)
             anim.SetTrigger ("punch");//I don't know about your animator, so idk what this is supposed to do :P
     }

     //attack inputs
     private void attackInput()
     {
         if(Input.GetKeyDown(KeyCode.Q))
         {
             if (attacking == false)//So it won't re-attack
             {
                 attacking = true;
                 hasCombo = true;
                 comboCount++;
                 rigidbody.velocity = Vector2.zero;//Makes sure it won't move
             }

         }
     }

     //player movement function
     void PlayerMove ()
     {

        //So it won't move, since when player attacks, velocity becomes zero
        if (attacking == true)
            return;

         moveX = Input.GetAxis ("Horizontal");
         //Note that GetComponent<>() on every frame, is really heavy on performance, so you cache it once, and no worries after :)
         rigidbody.velocity = new Vector2(moveX * playerSpeed, rigidbody.velocity.y);

         //in animator, when speed is above 0.01, play running animation
         anim.SetFloat ("speed", Mathf.Abs(Input.GetAxis("Horizontal")));

         //move right
         if(moveX < 0.0f && faceRight == false)
             flipPlayer ();

         //move left
         if(moveX > 0.0f && faceRight == true)
             flipPlayer ();

         //jump
         if(Input.GetKeyDown (KeyCode.Space) && (grounded == true))
             rigidbody.AddForce (Vector2.up * jumpForce);
     }

     //check if player is grounded
     void Raycasting()
     {
         Debug.DrawLine (this.transform.position, groundedEnd.position, Color.green);
         grounded = Physics2D.Linecast (this.transform.position, groundedEnd.position, 1 << LayerMask.NameToLayer("Ground"));
     }

     void flipPlayer()
     {
         faceRight = !faceRight;
         Vector2 localScale = gameObject.transform.localScale;
         localScale.x *= -1;
         transform.localScale = localScale;
     }

     private void resetValues()
     {
         attacking = false;
     }
 }

//Do note: If your character/player still moves while attacking, the animator is the issue 100%