using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class Rocker : MonoBehaviour {
public UIButton rocker;
public Transform center;//小圆
public float ranger; //小圆移动的范围
public Vector3 dir;//人物移动的向量
//判断是否获取焦点
public bool isPress = false;
//单例模式
public static Rocker ins;
private void Awake()
{
ins = this;
}
// Use this for initialization
void Start () {
center = transform.Find("Center");
//rocker.onClick.Add(new EventDelegate(RockerEvent));
}
// Update is called once per frame
void Update () {
}
void OnPress( bool press) {
isPress = press;
RockerEvent();
}
public void RockerEvent() {
StartCoroutine(CenterMove());
}
IEnumerator CenterMove() {
while (Input.GetMouseButton(0))
{
Vector3 pos = UICamera.mainCamera.ScreenToWorldPoint(Input.mousePosition);
//获取偏移值
Vector3 offset = pos - transform.position;
//magnitude求出向量长度
if (offset.magnitude > ranger)
{
//normalized归一化，求出单位向量
offset = offset.normalized*ranger;
}
//给小圆赋值
center.position = transform.position + offset;
dir = new Vector3(offset.x,0,offset.y);
yield return null;
}
center.position = transform.position;
dir = Vector3.zero;
}
}
