DOTween使用方法简单总结和DOTweenAnimation脚本源码

一.简介

  1.DOTween是Unity游戏开发中常用的动画插件,拓展了Unity原有的常用组件,如Transform\Camera等,使用方式如下:

        transform.DOMove(Vector3.one, .5f).SetDelay(1f).SetEase(Ease.Linear).OnComplete(() =>
         {
             Debug.Log("doMove complete");
         });

  使用时直接使用组件调用相应的动画方法(DOMove\DOMoveX等),这些方法的返回值是一个Tweener对象,之后可以调用Tweener对象的各种方法为这个Tweener对象设置动画延迟\动画曲线\回调(设置方法设置完成后会将Tweener对象自身返回,所以可以连续使用"."对Tweener进行设置)等.DOTween的这些方法在DOTween的官方文档中有详细的说明.

  2.DOTweenAnimation组件是DOTweenPro提供的一个动画组件,添加到游戏物体上进行可视化动画设置,当然也可以使用代码添加和设置这个脚本.

  3.说明:本文使用的DOTween插件版本是DOTween Pro v0.9.290.

二.DOTween的拓展方法

  导入的DOTween插件中DOMove\SetDelay等拓展方法在生成后的动态链接库dll文件中,所以我没有看到这些方法的具体实现.在DOTween官方文档中对所有拓展方法根据组件类型进行了分类列举,包括Unity组件的拓展方法(用于设置动画类型,返回值为Tweener对象)\Tweener类的拓展方法(用于设置动画的曲线\延迟\是否循环\各种回调函数等)等,DOTween - Documentation (demigiant.com).

  下面总结一下在官方文档中没有找到的一些组件拓展方法(也可能在某处有说明,至少我没有在文档中搜索到),这些方法可以对动画播放进行控制.

  DOTween使用方法简单总结和DOTweenAnimation脚本源码

  DOTween使用方法简单总结和DOTweenAnimation脚本源码

  DOTween使用方法简单总结和DOTweenAnimation脚本源码

  DOTween使用方法简单总结和DOTweenAnimation脚本源码

  DOTween使用方法简单总结和DOTweenAnimation脚本源码

  DOTween使用方法简单总结和DOTweenAnimation脚本源码

  DOTween使用方法简单总结和DOTweenAnimation脚本源码

  DOTween使用方法简单总结和DOTweenAnimation脚本源码

  DOTween使用方法简单总结和DOTweenAnimation脚本源码

  DOTween使用方法简单总结和DOTweenAnimation脚本源码

  DOTween使用方法简单总结和DOTweenAnimation脚本源码

  这些方法都是Component的拓展方法,也就是说所有Unity的组件都能调用,它们主要用于控制调用组件上正在播放或已经播放的DOTween动画,其中返回值都是int值,代表动画个数.方法的作用详见摘要部分.

三.DOTweenAnimation组件:

  在读取脚本源码的过程中,添加了一些注释,因此将添加了注释的脚本粘贴到这里

// Author: Daniele Giardini - http://www.demigiant.com
// Created: 2015/03/12 15:55

using System;
using System.Collections.Generic;
using DG.Tweening.Core;
using UnityEngine;
using UnityEngine.Events;
using UnityEngine.UI;

#if DOTWEEN_TMP
    using TMPro;
#endif

#pragma warning disable 1591
namespace DG.Tweening
{
    /// <summary>
    /// Attach this to a GameObject to create a tween
    /// 在游戏物体上添加此脚本从而创建一个动画(相当于某个游戏物体的DOTween动画管理器)
    /// </summary>
    [AddComponentMenu("DOTween/DOTween Animation")]
    public class DOTweenAnimation : ABSAnimationComponent
    {
        public float delay;//延迟
        public float duration = 1;//持续时间,默认1s
        public Ease easeType = Ease.OutQuad;//曲线类型
        public AnimationCurve easeCurve = new AnimationCurve(new Keyframe(0, 0), new Keyframe(1, 1));//曲线类型对应的曲线对象
        public LoopType loopType = LoopType.Restart;//循环方式
        public int loops = 1;//循环次数,默认1次(不循环)
        public string id = "";//id字符串
        public bool isRelative;
        public bool isFrom;//tween是否是FROM tween标识
        public bool isIndependentUpdate = false;
        public bool autoKill = true;//动画播放完成后是否自动销毁标记,默认自动销毁

        public bool isActive = true;//是否激活标记
        public bool isValid;//是否有效标记
        public Component target;//动画的目标组件
        public DOTweenAnimationType animationType;//动画类型(颜色淡入淡出动画\移动动画\旋转动画等)
        public bool autoPlay = true;//是否自动播放(默认true)

        public float endValueFloat;//float类型的动画终值(不同的动画类型会使用不同类型的动画终值)
        public Vector3 endValueV3;//vector3类型的动画终值
        public Color endValueColor = new Color(1, 1, 1, 1);//color类型的动画终值
        public string endValueString = "";//string类型的动画终值
        public Rect endValueRect = new Rect(0, 0, 0, 0);//Rect类型的动画终值

        public bool optionalBool0;//bool类型的模式选择(不同动画类型会使用不同类型的模式选择)
        public float optionalFloat0;//float类型的模式选择
        public int optionalInt0;//int类型的模式选择
        public RotateMode optionalRotationMode = RotateMode.Fast;//旋转模式选择
        public ScrambleMode optionalScrambleMode = ScrambleMode.None;//
        public string optionalString;//string类型的模式选择

        int _playCount = -1; // Used when calling DOPlayNext    播放下一条动画时使用,用于播放计数(当游戏物体上挂载了多个脚本时可以播放多个动画,这个变量可以作为当前播放的动画的指针)

        #region Unity Methods

        void Awake()
        {
            if (!isActive || !isValid) return;//校验组件是否激活或有效
            //awake时就调用了CreateTween方法,这个方法中创建tween对象时就直接播放了动画
            CreateTween();
        }

        void OnDestroy()
        {
            if (tween != null && tween.IsActive()) tween.Kill();//销毁组件时如果动画还在播放中,会强行结束这个动画
            tween = null;//置空tween
        }

        // Used also by DOTweenAnimationInspector when applying runtime changes and restarting  在DOTweenAnimationInspector(此脚本的编辑器脚本)中申请运行时间改变和重启时会使用此方法.
        /// <summary>
        /// 创建tween,会根据目标组件target的类型和动画类型直接调用相应的动画方法并播放动画
        /// </summary>
        public void CreateTween()
        {
            if (target == null) {
                Debug.LogWarning(string.Format("{0} :: This tween‘s target is NULL, because the animation was created with a DOTween Pro version older than 0.9.255. To fix this, exit Play mode then simply select this object, and it will update automatically", this.gameObject.name), this.gameObject);
                return;
            }

            Type t = target.GetType();

//            Component c;
            switch (animationType) {
            case DOTweenAnimationType.None:
                break;
            case DOTweenAnimationType.Move:
                if (t.IsSameOrSubclassOf(typeof(RectTransform))) tween = ((RectTransform)target).DOAnchorPos3D(endValueV3, duration, optionalBool0);
                else if (t.IsSameOrSubclassOf(typeof(Transform))) tween = ((Transform)target).DOMove(endValueV3, duration, optionalBool0);
                else if (t.IsSameOrSubclassOf(typeof(Rigidbody2D))) tween = ((Rigidbody2D)target).DOMove(endValueV3, duration, optionalBool0);
                else if (t.IsSameOrSubclassOf(typeof(Rigidbody))) tween = ((Rigidbody)target).DOMove(endValueV3, duration, optionalBool0);
//                c = this.GetComponent<Rigidbody2D>();
//                if (c != null) {
//                    tween = ((Rigidbody2D)c).DOMove(endValueV3, duration, optionalBool0);
//                    goto SetupTween;
//                }
//                c = this.GetComponent<Rigidbody>();
//                if (c != null) {
//                    tween = ((Rigidbody)c).DOMove(endValueV3, duration, optionalBool0);
//                    goto SetupTween;
//                }
//                c = this.GetComponent<RectTransform>();
//                if (c != null) {
//                    tween = ((RectTransform)c).DOAnchorPos3D(endValueV3, duration, optionalBool0);
//                    goto SetupTween;
//                }
//                tween = transform.DOMove(endValueV3, duration, optionalBool0);
                break;
            case DOTweenAnimationType.LocalMove:
                tween = transform.DOLocalMove(endValueV3, duration, optionalBool0);
                break;
            case DOTweenAnimationType.Rotate:
                if (t.IsSameOrSubclassOf(typeof(Transform))) tween = ((Transform)target).DORotate(endValueV3, duration, optionalRotationMode);
                else if (t.IsSameOrSubclassOf(typeof(Rigidbody2D))) tween = ((Rigidbody2D)target).DORotate(endValueFloat, duration);
                else if (t.IsSameOrSubclassOf(typeof(Rigidbody))) tween = ((Rigidbody)target).DORotate(endValueV3, duration, optionalRotationMode);
//                c = this.GetComponent<Rigidbody2D>();
//                if (c != null) {
//                    tween = ((Rigidbody2D)c).DORotate(endValueFloat, duration);
//                    goto SetupTween;
//                }
//                c = this.GetComponent<Rigidbody>();
//                if (c != null) {
//                    tween = ((Rigidbody)c).DORotate(endValueV3, duration, optionalRotationMode);
//                    goto SetupTween;
//                }
//                tween = transform.DORotate(endValueV3, duration, optionalRotationMode);
                break;
            case DOTweenAnimationType.LocalRotate:
                tween = transform.DOLocalRotate(endValueV3, duration, optionalRotationMode);
                break;
            case DOTweenAnimationType.Scale:
                tween = transform.DOScale(optionalBool0 ? new Vector3(endValueFloat, endValueFloat, endValueFloat) : endValueV3, duration);
                break;
            case DOTweenAnimationType.Color:
                isRelative = false;
                if (t.IsSameOrSubclassOf(typeof(SpriteRenderer))) tween = ((SpriteRenderer)target).DOColor(endValueColor, duration);
                else if (t.IsSameOrSubclassOf(typeof(Renderer))) tween = ((Renderer)target).material.DOColor(endValueColor, duration);
                else if (t.IsSameOrSubclassOf(typeof(Image))) tween = ((Image)target).DOColor(endValueColor, duration);
                else if (t.IsSameOrSubclassOf(typeof(Text))) tween = ((Text)target).DOColor(endValueColor, duration);
#if DOTWEEN_TK2D
                else if (t.IsSameOrSubclassOf(typeof(tk2dTextMesh))) tween = ((tk2dTextMesh)target).DOColor(endValueColor, duration);
                else if (t.IsSameOrSubclassOf(typeof(tk2dBaseSprite))) tween = ((tk2dBaseSprite)target).DOColor(endValueColor, duration);
//                c = this.GetComponent<tk2dBaseSprite>();
//                if (c != null) {
//                   tween = ((tk2dBaseSprite)c).DOColor(endValueColor, duration);
//                    goto SetupTween;
//                }
#endif
#if DOTWEEN_TMP
                else if (t.IsSameOrSubclassOf(typeof(TextMeshProUGUI))) tween = ((TextMeshProUGUI)target).DOColor(endValueColor, duration);
                else if (t.IsSameOrSubclassOf(typeof(TextMeshPro))) tween = ((TextMeshPro)target).DOColor(endValueColor, duration);
//                c = this.GetComponent<TextMeshPro>();
//                if (c != null) {
//                   tween = ((TextMeshPro)c).DOColor(endValueColor, duration);
//                    goto SetupTween;
//                }
//                c = this.GetComponent<TextMeshProUGUI>();
//                if (c != null) {
//                   tween = ((TextMeshProUGUI)c).DOColor(endValueColor, duration);
//                    goto SetupTween;
//                }
#endif
//                c = this.GetComponent<SpriteRenderer>();
//                if (c != null) {
//                    tween = ((SpriteRenderer)c).DOColor(endValueColor, duration);
//                    goto SetupTween;
//                }
//                c = this.GetComponent<Renderer>();
//                if (c != null) {
//                    tween = ((Renderer)c).material.DOColor(endValueColor, duration);
//                    goto SetupTween;
//                }
//                c = this.GetComponent<Image>();
//                if (c != null) {
//                    tween = ((Image)c).DOColor(endValueColor, duration);
//                    goto SetupTween;
//                }
//                c = this.GetComponent<Text>();
//                if (c != null) {
//                    tween = ((Text)c).DOColor(endValueColor, duration);
//                    goto SetupTween;
//                }
                break;
            case DOTweenAnimationType.Fade:
                isRelative = false;
                if (t.IsSameOrSubclassOf(typeof(SpriteRenderer))) tween = ((SpriteRenderer)target).DOFade(endValueFloat, duration);
                else if (t.IsSameOrSubclassOf(typeof(Renderer))) tween = ((Renderer)target).material.DOFade(endValueFloat, duration);
                else if (t.IsSameOrSubclassOf(typeof(Image))) tween = ((Image)target).DOFade(endValueFloat, duration);
                else if (t.IsSameOrSubclassOf(typeof(Text))) tween = ((Text)target).DOFade(endValueFloat, duration);
#if DOTWEEN_TK2D
                else if (t.IsSameOrSubclassOf(typeof(tk2dTextMesh))) tween = ((tk2dTextMesh)target).DOFade(endValueFloat, duration);
                else if (t.IsSameOrSubclassOf(typeof(tk2dBaseSprite))) tween = ((tk2dBaseSprite)target).DOFade(endValueFloat, duration);
//                c = this.GetComponent<tk2dBaseSprite>();
//                if (c != null) {
//                   tween = ((tk2dBaseSprite)c).DOFade(endValueFloat, duration);
//                    goto SetupTween;
//                }
#endif
#if DOTWEEN_TMP
                else if (t.IsSameOrSubclassOf(typeof(TextMeshProUGUI))) tween = ((TextMeshProUGUI)target).DOFade(endValueFloat, duration);
                else if (t.IsSameOrSubclassOf(typeof(TextMeshPro))) tween = ((TextMeshPro)target).DOFade(endValueFloat, duration);
//                c = this.GetComponent<TextMeshPro>();
//                if (c != null) {
//                   tween = ((TextMeshPro)c).DOFade(endValueFloat, duration);
//                    goto SetupTween;
//                }
//                c = this.GetComponent<TextMeshProUGUI>();
//                if (c != null) {
//                   tween = ((TextMeshProUGUI)c).DOFade(endValueFloat, duration);
//                    goto SetupTween;
//                }
#endif
//                c = this.GetComponent<SpriteRenderer>();
//                if (c != null) {
//                    tween = ((SpriteRenderer)c).DOFade(endValueFloat, duration);
//                    goto SetupTween;
//                }
//                c = this.GetComponent<Renderer>();
//                if (c != null) {
//                    tween = ((Renderer)c).material.DOFade(endValueFloat, duration);
//                    goto SetupTween;
//                }
//                c = this.GetComponent<Image>();
//                if (c != null) {
//                    tween = ((Image)c).DOFade(endValueFloat, duration);
//                    goto SetupTween;
//                }
//                c = this.GetComponent<Text>();
//                if (c != null) {
//                    tween = ((Text)c).DOFade(endValueFloat, duration);
//                    goto SetupTween;
//                }
                break;
            case DOTweenAnimationType.Text:
                if (t.IsSameOrSubclassOf(typeof(Text))) tween = ((Text)target).DOText(endValueString, duration, optionalBool0, optionalScrambleMode, optionalString);
//                c = this.GetComponent<Text>();
//                if (c != null) {
//                    tween = ((Text)c).DOText(endValueString, duration, optionalBool0, optionalScrambleMode, optionalString);
//                    goto SetupTween;
//                }
#if DOTWEEN_TK2D
                else if (t.IsSameOrSubclassOf(typeof(tk2dTextMesh))) tween = ((tk2dTextMesh)target).DOText(endValueString, duration, optionalBool0, optionalScrambleMode, optionalString);
//                c = this.GetComponent<tk2dTextMesh>();
//                if (c != null) {
//                   tween = ((tk2dTextMesh)c).DOText(endValueString, duration, optionalBool0, optionalScrambleMode, optionalString);
//                    goto SetupTween;
//                }
#endif
#if DOTWEEN_TMP
                else if (t.IsSameOrSubclassOf(typeof(TextMeshProUGUI))) tween = ((TextMeshProUGUI)target).DOText(endValueString, duration, optionalBool0, optionalScrambleMode, optionalString);
                else if (t.IsSameOrSubclassOf(typeof(TextMeshPro))) tween = ((TextMeshPro)target).DOText(endValueString, duration, optionalBool0, optionalScrambleMode, optionalString);
//                c = this.GetComponent<TextMeshPro>();
//                if (c != null) {
//                   tween = ((TextMeshPro)c).DOText(endValueString, duration, optionalBool0, optionalScrambleMode, optionalString);
//                    goto SetupTween;
//                }
//                c = this.GetComponent<TextMeshProUGUI>();
//                if (c != null) {
//                   tween = ((TextMeshProUGUI)c).DOText(endValueString, duration, optionalBool0, optionalScrambleMode, optionalString);
//                    goto SetupTween;
//                }
#endif
                break;
            case DOTweenAnimationType.PunchPosition:
                if (t.IsSameOrSubclassOf(typeof(RectTransform))) tween = ((RectTransform)target).DOPunchAnchorPos(endValueV3, duration, optionalInt0, optionalFloat0, optionalBool0);
                else if (t.IsSameOrSubclassOf(typeof(Transform))) tween = ((Transform)target).DOPunchPosition(endValueV3, duration, optionalInt0, optionalFloat0, optionalBool0);
//                tween = transform.DOPunchPosition(endValueV3, duration, optionalInt0, optionalFloat0, optionalBool0);
                break;
            case DOTweenAnimationType.PunchScale:
                tween = transform.DOPunchScale(endValueV3, duration, optionalInt0, optionalFloat0);
                break;
            case DOTweenAnimationType.PunchRotation:
                tween = transform.DOPunchRotation(endValueV3, duration, optionalInt0, optionalFloat0);
                break;
            case DOTweenAnimationType.ShakePosition:
                if (t.IsSameOrSubclassOf(typeof(RectTransform))) tween = ((RectTransform)target).DOShakeAnchorPos(duration, endValueV3, optionalInt0, optionalFloat0, optionalBool0);
                if (t.IsSameOrSubclassOf(typeof(Transform))) tween = ((Transform)target).DOShakePosition(duration, endValueV3, optionalInt0, optionalFloat0, optionalBool0);
//                tween = transform.DOShakePosition(duration, endValueV3, optionalInt0, optionalFloat0, optionalBool0);
                break;
            case DOTweenAnimationType.ShakeScale:
                tween = transform.DOShakeScale(duration, endValueV3, optionalInt0, optionalFloat0);
                break;
            case DOTweenAnimationType.ShakeRotation:
                tween = transform.DOShakeRotation(duration, endValueV3, optionalInt0, optionalFloat0);
                break;
            case DOTweenAnimationType.CameraAspect:
                tween = ((Camera)target).DOAspect(endValueFloat, duration);
                break;
            case DOTweenAnimationType.CameraBackgroundColor:
                tween = ((Camera)target).DOColor(endValueColor, duration);
                break;
            case DOTweenAnimationType.CameraFieldOfView:
                tween = ((Camera)target).DOFieldOfView(endValueFloat, duration);
                break;
            case DOTweenAnimationType.CameraOrthoSize:
                tween = ((Camera)target).DOOrthoSize(endValueFloat, duration);
                break;
            case DOTweenAnimationType.CameraPixelRect:
                tween = ((Camera)target).DOPixelRect(endValueRect, duration);
                break;
            case DOTweenAnimationType.CameraRect:
                tween = ((Camera)target).DORect(endValueRect, duration);
                break;
            }

//        SetupTween:
            if (tween == null) return;

            if (isFrom) {
                ((Tweener)tween).From(isRelative);
            } else {
                tween.SetRelative(isRelative);
            }
            tween.SetTarget(this.gameObject).SetDelay(delay).SetLoops(loops, loopType).SetAutoKill(autoKill)
                .OnKill(()=> tween = null);
            if (easeType == Ease.INTERNAL_Custom) tween.SetEase(easeCurve);
            else tween.SetEase(easeType);
            if (!string.IsNullOrEmpty(id)) tween.SetId(id);
            tween.SetUpdate(isIndependentUpdate);
            
            //校验是否有各种回调
            if (hasOnStart) {
                if (onStart != null) tween.OnStart(onStart.Invoke);
            } else onStart = null;
            if (hasOnPlay) {
                if (onPlay != null) tween.OnPlay(onPlay.Invoke);
            } else onPlay = null;
            if (hasOnUpdate) {
                if (onUpdate != null) tween.OnUpdate(onUpdate.Invoke);
            } else onUpdate = null;
            if (hasOnStepComplete) {
                if (onStepComplete != null) tween.OnStepComplete(onStepComplete.Invoke);
            } else onStepComplete = null;
            if (hasOnComplete) {
                if (onComplete != null) tween.OnComplete(onComplete.Invoke);
            } else onComplete = null;

            if (autoPlay) tween.Play();
            else tween.Pause();
        }

        #endregion

        #region Public Methods

        // These methods are here so they can be called directly via Unity‘s UGUI event system  在这里的这些方法能直接通过Unity的UGUI事件系统调用

        /// <summary>
        /// 播放
        /// </summary>
        public override void DOPlay()
        {
            DOTween.Play(this.gameObject);
        }

        /// <summary>
        /// 回播
        /// </summary>
        public override void DOPlayBackwards()
        {
            DOTween.PlayBackwards(this.gameObject);
        }

        /// <summary>
        /// 继续播放
        /// </summary>
        public override void DOPlayForward()
        {
            DOTween.PlayForward(this.gameObject);
        }

        /// <summary>
        /// 暂停
        /// </summary>
        public override void DOPause()
        {
            DOTween.Pause(this.gameObject);
        }

        /// <summary>
        /// 暂停或继续
        /// </summary>
        public override void DOTogglePause()
        {
            DOTween.TogglePause(this.gameObject);
        }

        /// <summary>
        /// 倒回(动画播放位置指针重新指向第一个动画播放前)
        /// </summary>
        public override void DORewind()
        {
            _playCount = -1;
            // Rewind using Components order (in case there are multiple animations on the same property)   倒回正在使用的组件列表(以免同一个物体上有复合动画)
            DOTweenAnimation[] anims = this.gameObject.GetComponents<DOTweenAnimation>();
            for (int i = anims.Length - 1; i > -1; --i) {
                Tween t = anims[i].tween;
                if (t != null && t.IsInitialized()) anims[i].tween.Rewind();
            }
            // DOTween.Rewind(this.gameObject);
        }

        /// <summary>
        /// Restarts the tween  重启tween动画
        /// </summary>
        /// <param name="fromHere">If TRUE, re-evaluates the tween‘s start and end values from its current position.    如果为true,需要重新计算动画的起始位置
        /// Set it to TRUE when spawning the same DOTweenAnimation in different positions (like when using a pooling system)    当要在不同的位置大量播放相同的动画时置为true(如使用一个动画池)</param>
        public override void DORestart(bool fromHere = false)
        {
            _playCount = -1;
            if (tween == null) {
                if (Debugger.logPriority > 1) Debugger.LogNullTween(tween); return;
            }
            if (fromHere && isRelative) ReEvaluateRelativeTween();
            DOTween.Restart(this.gameObject);
        }

        /// <summary>
        /// 完成动画
        /// </summary>
        public override void DOComplete()
        {
            DOTween.Complete(this.gameObject);
        }

        /// <summary>
        /// 强行结束动画
        /// </summary>
        public override void DOKill()
        {
            DOTween.Kill(this.gameObject);
            tween = null;
        }

        #region Specifics

        /// <summary>
        /// 通过id播放当前物体上的动画
        /// </summary>
        /// <param name="id"></param>
        public void DOPlayById(string id)
        {
            DOTween.Play(this.gameObject, id);
        }
        /// <summary>
        /// 播放所有相同id的动画(不限于当前游戏物体)
        /// </summary>
        /// <param name="id"></param>
        public void DOPlayAllById(string id)
        {
            DOTween.Play(id);
        }
        /// <summary>
        /// 播放下一个动画(游戏物体上挂载了多个此组件时)
        /// </summary>
        public void DOPlayNext()
        {
            DOTweenAnimation[] anims = this.GetComponents<DOTweenAnimation>();
            while (_playCount < anims.Length - 1) {
                _playCount++;
                DOTweenAnimation anim = anims[_playCount];
                if (anim != null && anim.tween != null && !anim.tween.IsPlaying() && !anim.tween.IsComplete()) {
                    anim.tween.Play();
                    break;
                }
            }
        }

        /// <summary>
        /// 倒回动画并重新开始播放动画
        /// </summary>
        public void DORewindAndPlayNext()
        {
            _playCount = -1;
            DOTween.Rewind(this.gameObject);
            DOPlayNext();
        }

        /// <summary>
        /// 重播此物体上指定id的动画
        /// </summary>
        /// <param name="id"></param>
        public void DORestartById(string id)
        {
            _playCount = -1;
            DOTween.Restart(this.gameObject, id);
        }
        /// <summary>
        /// 重播所有指定id的动画(不限于当前物体)
        /// </summary>
        /// <param name="id"></param>
        public void DORestartAllById(string id)
        {
            _playCount = -1;
            DOTween.Restart(id);
        }
        /// <summary>
        /// 获取当前的tween
        /// </summary>
        /// <returns></returns>
        public List<Tween> GetTweens()
        {
            return DOTween.TweensByTarget(this.gameObject);
        }

        #endregion

        #endregion

        #region Private

        // Re-evaluate relative position of path    重估路径的关联点(计算下一个tween动画的路径点并设置此路径点为move的终点)
        void ReEvaluateRelativeTween()
        {
            if (animationType == DOTweenAnimationType.Move) {
                ((Tweener)tween).ChangeEndValue(transform.position + endValueV3, true);
            } else if (animationType == DOTweenAnimationType.LocalMove) {
                ((Tweener)tween).ChangeEndValue(transform.localPosition + endValueV3, true);
            }
        }

        #endregion
    }

    public static class DOTweenAnimationExtensions
    {
        /// <summary>
        /// 计算组件是否是目标组件的子类或就是目标组件(拓展Type方法)
        /// </summary>
        /// <param name="t"></param>
        /// <param name="tBase"></param>
        /// <returns></returns>
        public static bool IsSameOrSubclassOf(this Type t, Type tBase)
        {
            return t.IsSubclassOf(tBase) || t == tBase;
        }
    }
}

 

DOTween使用方法简单总结和DOTweenAnimation脚本源码

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