//--------------------------------------------------------
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// [Author]: 玩个游戏
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// [ Date ]: Thursday, September 07, 2017
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//--------------------------------------------------------
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using UnityEngine;
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using System.Collections;
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using UnityEngine.UI;
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using System;
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public class ScreenMoveTo : MonoBehaviour
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{
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[SerializeField]
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LerpType m_LerpType = LerpType.Linear;
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[SerializeField]
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Vector2 m_Destination;
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public Vector2 destination {
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get { return m_Destination; }
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set { m_Destination = value; }
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}
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[SerializeField]
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float m_Duration = 0.5f;
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public float duration {
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get { return m_Duration; }
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set { m_Duration = value; }
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}
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[SerializeField]
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bool m_IsLocal = true;
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public bool isLocal {
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get { return m_IsLocal; }
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}
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bool disableOnEnd = true;
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float endTime = 0f;
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Vector3 startPosition = Vector3.zero;
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Vector3 startLocalPosition = Vector3.zero;
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Vector3 refPosition = Vector3.zero;
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bool end = false;
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Action endCallBack = null;
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public void Begin(bool _deActiveOnEnd = true)
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{
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endTime = Time.time + duration;
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end = false;
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disableOnEnd = _deActiveOnEnd;
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startPosition = this.transform.position;
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startLocalPosition = this.transform.localPosition;
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refPosition = Vector3.zero;
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endCallBack = null;
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this.enabled = true;
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if (!this.gameObject.activeInHierarchy)
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{
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this.SetActive(true);
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}
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}
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public void Begin(Action _callBack, bool _disableOnEnd = true)
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{
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endTime = Time.time + duration;
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end = false;
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disableOnEnd = _disableOnEnd;
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startPosition = this.transform.position;
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startLocalPosition = this.transform.localPosition;
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refPosition = Vector3.zero;
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endCallBack = _callBack;
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this.enabled = true;
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if (!this.gameObject.activeInHierarchy)
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{
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this.SetActive(true);
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}
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}
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private void LateUpdate()
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{
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switch (m_LerpType)
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{
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case LerpType.Linear:
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if (Time.time < endTime)
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{
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var t = Mathf.Clamp01(1f - (endTime - Time.time) / m_Duration);
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if (isLocal)
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{
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this.transform.localPosition = Vector3.Lerp(startLocalPosition, destination, t);
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}
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else
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{
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this.transform.position = Vector3.Lerp(startPosition, destination, t);
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}
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}
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else
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{
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end = true;
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if (isLocal)
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{
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this.transform.localPosition = destination;
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}
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else
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{
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this.transform.position = destination;
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}
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}
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break;
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case LerpType.Smooth:
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if (isLocal)
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{
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if (Vector3.Distance(this.transform.localPosition, new Vector3(destination.x, destination.y)) > 1)
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{
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this.transform.localPosition = Vector3.SmoothDamp(this.transform.localPosition, destination, ref refPosition, duration);
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}
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else
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{
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this.transform.localPosition = destination;
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end = true;
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}
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}
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else
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{
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if (Vector3.Distance(this.transform.position, new Vector3(destination.x, destination.y)) > 1)
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{
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this.transform.position = Vector3.SmoothDamp(this.transform.position, destination, ref refPosition, duration);
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}
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else
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{
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this.transform.position = destination;
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end = true;
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}
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}
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break;
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}
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if (end)
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{
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if (endCallBack != null)
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{
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endCallBack();
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endCallBack = null;
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}
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}
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if (end && disableOnEnd)
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{
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this.enabled = false;
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}
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}
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public enum LerpType
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{
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Linear,
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Smooth,
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}
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}
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