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

public class TouchDrag : MonoBehaviour {

    void Update() {
        if (Input.touchCount > 0) {
            Touch touch = Input.GetTouch(0);

            Vector2 mousePos = Camera.main.ScreenToWorldPoint(touch.position);

            if (GetComponent<Collider2D>() == Physics2D.OverlapPoint(mousePos)) {
                if (touch.phase == TouchPhase.Moved || touch.phase == TouchPhase.Stationary) {
                    Vector2 pos = new Vector2(mousePos.x, mousePos.y);

                    transform.position = pos;
                }
            }
        }
    }
}