111 lines
3.2 KiB
C#
111 lines
3.2 KiB
C#
using System.Collections;
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using UnityEngine;
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using UnityEngine.EventSystems;
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using UnityEngine.UI;
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namespace Superlazy.UI
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{
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public class SLUIScrollRectRefresh : SLUIComponent
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{
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public float delay = 0.5f;
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public bool toTop = false; // 켰으면 반대방향
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private ScrollRect scrollRect;
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private RectTransform container;
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private float lastSize;
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private Coroutine autoScrollCoroutine;
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protected override void Validate()
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{
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scrollRect = gameObject.GetComponent<ScrollRect>();
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}
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protected override void Init()
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{
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container = scrollRect.content;
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}
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protected override void Enable()
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{
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if (scrollRect.horizontal)
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{
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lastSize = container.rect.width;
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}
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else
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{
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lastSize = container.rect.height;
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}
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}
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protected override void Disable()
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{
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if (autoScrollCoroutine != null)
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{
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StopCoroutine(autoScrollCoroutine);
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autoScrollCoroutine = null;
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}
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}
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private void LateUpdate()
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{
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var currentSize = scrollRect.horizontal ? container.rect.width : container.rect.height;
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if (Mathf.Abs(currentSize - lastSize) > 0.1f)
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{
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lastSize = currentSize;
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if (autoScrollCoroutine != null)
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{
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StopCoroutine(autoScrollCoroutine);
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}
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autoScrollCoroutine = StartCoroutine(AutoScroll());
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}
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}
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private IEnumerator AutoScroll()
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{
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var elapsed = 0f;
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// 현재 스크롤 위치 (verticalNormalizedPosition: 1은 상단, 0은 하단)
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var startPosition = scrollRect.horizontal ? scrollRect.horizontalNormalizedPosition : scrollRect.verticalNormalizedPosition;
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// 목표 위치: 최신 항목이 보이도록 스크롤의 하단 (0)
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var targetPosition = toTop ? 1f : 0f;
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while (elapsed < delay)
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{
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elapsed += Time.deltaTime;
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float t = elapsed / delay;
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// EaseOutCubic easing 함수 적용 (부드럽고 자연스러운 감속)
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t = EaseOutCubic(t);
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// 현재 위치에서 목표 위치로 보간
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var newPosition = Mathf.Lerp(startPosition, targetPosition, t);
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if (scrollRect.horizontal)
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{
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scrollRect.horizontalNormalizedPosition = newPosition;
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}
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else
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{
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scrollRect.verticalNormalizedPosition = newPosition;
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}
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yield return null;
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}
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if (scrollRect.horizontal)
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{
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scrollRect.horizontalNormalizedPosition = targetPosition;
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}
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else
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{
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scrollRect.verticalNormalizedPosition = targetPosition;
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}
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autoScrollCoroutine = null;
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}
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private float EaseOutCubic(float t)
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{
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return 1f - Mathf.Pow(1f - t, 3f);
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}
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}
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} |