74 lines
1.8 KiB
C#
74 lines
1.8 KiB
C#
using System.Collections;
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using UnityEngine;
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// 通过 PlayTween() 触发动画
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public class SimpleAxisTween : MonoBehaviour
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{
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public enum Axis { X, Y } // 轴向选项
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[Header("Tween Settings")]
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public Axis axis = Axis.X; // 要缓动的轴
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public float from = 0f; // 起始值
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public float to = 100f; // 终点值
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public float duration = 1f; // 总时长（秒）——外部可调
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public AnimationCurve ease = AnimationCurve.EaseInOut(0, 0, 1, 1);
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private Coroutine tweenCo;
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private RectTransform rt;
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public void PlayTween()
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{
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if (tweenCo != null) StopCoroutine(tweenCo);
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tweenCo = StartCoroutine(TweenRoutine());
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}
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private void Awake()
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{
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TryGetComponent(out rt);
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}
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private IEnumerator TweenRoutine()
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{
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float elapsed = 0f;
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SetPosition(from);
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while (elapsed < duration)
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{
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elapsed += Time.deltaTime;
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float t = Mathf.Clamp01(elapsed / duration);
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float easedT = ease.Evaluate(t);
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// 缓动插值
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float current = Mathf.LerpUnclamped(from, to, easedT);
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SetPosition(current);
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yield return null;
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}
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// 强制落在终点
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SetPosition(to);
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tweenCo = null;
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}
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private void SetPosition(float value)
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{
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if (rt != null)
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{
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Vector2 pos = rt.anchoredPosition;
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if (axis == Axis.X) pos.x = value;
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else pos.y = value;
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rt.anchoredPosition = pos;
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}
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else
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{
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Vector3 pos = transform.localPosition;
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if (axis == Axis.X) pos.x = value;
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else pos.y = value;
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transform.localPosition = pos;
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}
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}
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} |