好的,所以我正在制作这个游戏,用户可以在屏幕上拖动一个球,但它不应该离开游戏区域。但是我遇到了以下问题,当我将它推向对撞机时,它会反弹回来,如果我推得太用力,它只会离开屏幕(我需要让它不会离开屏幕。用户可以自由拖动它到处都是,但当然是在屏幕内)。
关于如何解决这个问题的任何提示?
这是我正在使用的拖动代码:
using UnityEngine;
using System.Collections;
public class CircleManager : MonoBehaviour {
private bool dragging = false;
private Vector3 screenPoint;
private Vector3 offset;
// Pressionando
void OnMouseDown()
{
dragging = true;
screenPoint = Camera.main.WorldToScreenPoint(gameObject.transform.position);
offset = gameObject.transform.position - Camera.main.ScreenToWorldPoint(new Vector3(Input.mousePosition.x, Input.mousePosition.y, screenPoint.z));
}
// Arrastando
void OnMouseDrag()
{
Vector3 cursorPoint = new Vector3(Input.mousePosition.x, Input.mousePosition.y, screenPoint.z);
Vector3 cursorPosition = Camera.main.ScreenToWorldPoint(cursorPoint) + offset;
//i tried with both below.
//transform.position = cursorPosition;
transform.GetComponent<Rigidbody2D>().MovePosition(cursorPosition);
}
// Soltando
void OnMouseUp()
{
dragging = false;
}
}
谢谢!