您需要将触摸位置从“屏幕”转换为“世界”。这很容易做到,我刚刚完成了这个快速脚本,希望它有帮助:
using UnityEngine;
using System.Collections;
public class TouchSomething : MonoBehaviour
{
public GameObject thingToMove;
public float smooth = 2;
private Vector3 _endPosition;
private Vector3 _startPosition;
private void Awake()
{
_startPosition = thingToMove.transform.position;
}
private void Update()
{
if(Application.platform == RuntimePlatform.Android || Application.platform == RuntimePlatform.IPhonePlayer)
{
_endPosition = HandleTouchInput();
}
else
{
_endPosition = HandleMouseInput();
}
thingToMove.transform.position = Vector3.Lerp(thingToMove.transform.position, new Vector3(_endPosition.x, _endPosition.y, 0), Time.deltaTime * smooth);
}
private Vector3 HandleTouchInput()
{
for (var i = 0; i < Input.touchCount; i++)
{
if (Input.GetTouch(i).phase == TouchPhase.Began)
{
var screenPosition = Input.GetTouch(i).position;
_startPosition = Camera.main.ScreenToWorldPoint(screenPosition);
}
}
return _startPosition;
}
private Vector3 HandleMouseInput()
{
if(Input.GetMouseButtonDown(0))
{
var screenPosition = Input.mousePosition;
_startPosition = Camera.main.ScreenToWorldPoint(screenPosition);
}
return _startPosition;
}
}
这也允许您在编辑器中进行测试。
我希望这有帮助。