Input.touches

설명

Returns list of objects representing status of all touches during last frame. (Read Only) (Allocates temporary variables).

Each entry represents a status of a finger touching the screen.

using UnityEngine;

public class Example : MonoBehaviour
{
    // Prints number of fingers touching the screen
    void Update()
    {
        var fingerCount = 0;
        foreach (Touch touch in Input.touches)
        {
            if (touch.phase != TouchPhase.Ended && touch.phase != TouchPhase.Canceled)
            {
                fingerCount++;
            }
        }
        if (fingerCount > 0)
        {
            print("User has " + fingerCount + " finger(s) touching the screen");
        }
    }
}