描述

手指触摸了屏幕。

//Attach this script to an empty GameObject
//Create some UI Text by going to Create>UI>Text.
//Drag this GameObject into the Text field of your GameObject’s Inspector window.

using UnityEngine; using System.Collections; using UnityEngine.UI;

public class TouchPhaseExample : MonoBehaviour { public Vector2 startPos; public Vector2 direction;

public Text m_Text; string message;

void Update() { //Update the Text on the screen depending on current TouchPhase, and the current direction vector m_Text.text = "Touch : " + message + "in direction" + direction;

// Track a single touch as a direction control. if (Input.touchCount > 0) { Touch touch = Input.GetTouch(0);

// Handle finger movements based on TouchPhase switch (touch.phase) { //When a touch has first been detected, change the message and record the starting position case TouchPhase.Began: // Record initial touch position. startPos = touch.position; message = "Begun "; break;

//Determine if the touch is a moving touch case TouchPhase.Moved: // Determine direction by comparing the current touch position with the initial one direction = touch.position - startPos; message = "Moving "; break;

case TouchPhase.Ended: // Report that the touch has ended when it ends message = "Ending "; break; } } } }