36 lines
1.4 KiB
C#
36 lines
1.4 KiB
C#
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using System.Collections;
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using UnityEngine;
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using UnityEngine.UI;
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public class ScrollViewVerticalMoveItem : MonoBehaviour
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{
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public ScrollRect scrollRect; // <20><><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA> ScrollRect <20>ϵ<EFBFBD><CFB5><EFBFBD><EFBFBD><EFBFBD>
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public float cellHeight = 100f; // ÿ<><C3BF><EFBFBD><EFBFBD><EFBFBD>ӵĸ߶ȣ<DFB6><C8A3>Լ<EFBFBD><D4BC><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD><CAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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public void MoveDown()
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{
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// <20><><EFBFBD><EFBFBD>Ŀ<EFBFBD><C4BF>λ<EFBFBD><CEBB>
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float newY = scrollRect.content.anchoredPosition.y + cellHeight;
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// <20><>ȡContent<6E>ĸ߶ȺͿ<C8BA><CDBF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĸ߶<C4B8>
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float contentHeight = scrollRect.content.sizeDelta.y;
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float viewportHeight = scrollRect.viewport.rect.height;
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// ȷ<><C8B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> Y ֵ
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newY = Mathf.Min(newY, contentHeight - viewportHeight);
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// Smoothly move to the new position
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StartCoroutine(SmoothMove(scrollRect.content.anchoredPosition.y, newY));
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}
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private IEnumerator SmoothMove(float startY, float targetY)
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{
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float elapsedTime = 0.0f;
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float duration = 0.3f; // <20>ƶ<EFBFBD><C6B6><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>
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while (elapsedTime < duration)
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{
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float newY = Mathf.Lerp(startY, targetY, (elapsedTime / duration));
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scrollRect.content.anchoredPosition = new Vector2(scrollRect.content.anchoredPosition.x, newY);
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elapsedTime += Time.deltaTime;
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yield return null;
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}
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// ȷ<><C8B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB>ȷ
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scrollRect.content.anchoredPosition = new Vector2(scrollRect.content.anchoredPosition.x, targetY);
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}
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}
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