66 lines
1.8 KiB
C#
66 lines
1.8 KiB
C#
using UnityEngine;
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namespace XericLibrary.Runtime.UIGraph
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{
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/// <summary>
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/// 曲线进度条的播放驱动器：把时间推成 UISplineCurveRenderer 的进度。
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/// 只负责"进度从哪来"，几何与着色全在渲染器那一侧。
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/// </summary>
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[AddComponentMenu("Xeric Library/UI/UISplineProgressDriver", 18)]
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[RequireComponent(typeof(UISplineCurveRenderer))]
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public class UISplineProgressDriver : MonoBehaviour
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{
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/// <summary>自动推进（关掉就只认手动 SetProgress）</summary>
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public bool autoDrive = true;
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/// <summary>从 0 走到 1 所需秒数</summary>
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[Min(0.01f)]
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public float duration = 2.5f;
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/// <summary>用 scaledTime，随引擎暂停/缩放</summary>
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public bool useUnscaledTime = false;
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/// <summary>走到尽头后往返还是从头再来</summary>
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public bool pingPong = false;
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/// <summary>起始进度</summary>
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[Range(0f, 1f)]
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public float startProgress = 0f;
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private UISplineCurveRenderer m_Renderer;
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private float m_Elapsed;
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private void Awake()
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{
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m_Renderer = GetComponent<UISplineCurveRenderer>();
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m_Elapsed = startProgress * duration;
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if (m_Renderer != null)
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m_Renderer.SetProgress(startProgress);
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}
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private void Update()
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{
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if (!autoDrive || m_Renderer == null)
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return;
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m_Elapsed += useUnscaledTime ? Time.unscaledDeltaTime : Time.deltaTime;
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float cycle = m_Elapsed / duration;
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float progress = pingPong
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? Mathf.PingPong(cycle, 1f)
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: cycle - Mathf.Floor(cycle);
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m_Renderer.SetProgress(progress);
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}
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/// <summary>手动设进度，同时让自动推进从该处继续</summary>
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public void SetProgress(float value)
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{
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value = Mathf.Clamp01(value);
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m_Elapsed = value * duration;
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if (m_Renderer != null)
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m_Renderer.SetProgress(value);
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}
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}
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}
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