Touch.position

描述

触摸在屏幕空间中的位置（像素坐标）。

Position 返回拖动时触摸触点的当前位置。如果需要触摸的原始位置，请参阅 Touch.rawPosition。

屏幕或窗口的左下角坐标为 (0, 0)。屏幕或窗口的右上角坐标为 (Screen.width, Screen.height)。

// This script outputs the position of an active touch contact

// Attach this script to a GameObject
// Create a Text GameObject (GameObject>UI>Text)
// Attach the Text to the Text field in the Inspector window of your GameObject

using UnityEngine;
using UnityEngine.UI;

public class TouchPositionExample : MonoBehaviour
{
    public Text m_Text;

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

            // Update the Text on the screen depending on current position of the touch each frame
            m_Text.text = "Touch Position : " + touch.position;
        }
        else
        {
            m_Text.text = "No touch contacts";
        }
    }
}