using UnityEngine;

public class ExampleBehaviour : MonoBehaviour
{
    private float mTouchBeginTime;
    private bool mTouchEnded = true;

    void Update()
    {
        DetectInput();
    }

    private void DetectInput()
    {
        if (Application.platform == RuntimePlatform.Android || Application.platform == RuntimePlatform.IPhonePlayer) {
            // On mobile phones
            if (Input.touchCount == 1) {
                Touch touch = Input.GetTouch(0);
                if (touch.phase == TouchPhase.Began) {
                    mTouchBeginTime = Time.time;
                    mTouchEnded = false;
                } else if (touch.phase == TouchPhase.Moved) {
                    mTouchEnded = true;
                } else if (touch.phase == TouchPhase.Stationary) {
                    if (!mTouchEnded && Time.time - mTouchBeginTime > 1f) {
                        OnLongPress();
                        mTouchEnded = true;
                    }
                } else if (touch.phase == TouchPhase.Ended) {
                    if (!mTouchEnded && Time.time - mTouchBeginTime <= 1f) {
                        OnShortPress();
                        mTouchEnded = true;
                    }
                }
            }
        } else {
            // On PC
            if (Input.GetMouseButtonDown(0)) {
                mTouchBeginTime = Time.time;
                mTouchEnded = false;
            }

            if (!mTouchEnded && Time.time - mTouchBeginTime > 1f) {
                OnLongPress();
                mTouchEnded = true;
            }

            if (Input.GetMouseButtonUp(0)) {
                if (!mTouchEnded && Time.time - mTouchBeginTime <= 1f) {
                    OnShortPress();
                    mTouchEnded = true;
                }
            }
        }
    }

    private void OnShortPress()
    {
        // Handle short press ...
    }

    private void OnLongPress()
    {
        // Handle long press ...
    }
}