85 lines
2.1 KiB
C#
85 lines
2.1 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Threading;
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using System.Threading.Tasks;
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using Cysharp.Threading.Tasks;
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using Unity.Mathematics;
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namespace BITKit.Tween
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{
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public static class BITween
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{
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public class TweenSequence
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{
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internal TweenSequence(){}
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private readonly List<UniTask> tasks = new();
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public TweenSequence Append(UniTask task)
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{
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tasks.Add(task);
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return this;
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}
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public async UniTask Play(CancellationToken cancellationToken=default)
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{
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foreach (var task in tasks)
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{
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await task;
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if (cancellationToken.IsCancellationRequested) return;
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}
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}
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}
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public static TweenSequence CreateSequence()
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{
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return new TweenSequence();
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}
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public static async UniTask MoveToForward<T>(Action<T> setter, T from, T to, float delta,
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Func<T, T, float, T> func, CancellationToken cancellationToken = default)
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{
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setter(from);
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while (Equals(from,to) is false && cancellationToken.IsCancellationRequested is false)
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{
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from = func(from, to, delta*BITApp.Time.DeltaTime);
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#if UNITY_5_3_OR_NEWER
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try
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{
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await UniTask.NextFrame(PlayerLoopTiming.FixedUpdate, cancellationToken);
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}
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catch (OperationCanceledException)
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{
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return;
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}
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#else
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await UniTask.Yield();
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#endif
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setter(from);
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}
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if (cancellationToken.IsCancellationRequested is false)
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setter(to);
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}
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public static async UniTask Lerp<T>(Action<T> setter,T from,T to,float duration, Func<T, T,float, T> func,CancellationToken cancellationToken = default)
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{
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var t = 0f;
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var delta = 1f / duration;
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setter(from);
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//BIT4Log.Log<TweenSequence>($"已创建Tween,from:[{from}]to:[{to}]duration:[{duration}]delta:[{delta}]");
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while (t < 1 && cancellationToken.IsCancellationRequested is false)
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{
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t = math.clamp(t + delta*BITApp.Time.DeltaTime, 0, 1);
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var next = func(from, to, t);
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#if UNITY_5_3_OR_NEWER
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await UniTask.NextFrame(cancellationToken);
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#else
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await UniTask.Yield();
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#endif
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setter(next);
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}
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if (cancellationToken.IsCancellationRequested is false)
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setter(to);
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}
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}
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}
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