59 lines
1.8 KiB
C#
59 lines
1.8 KiB
C#
using UnityEngine;
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using UnityEngine.UI;
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using System.Collections;
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/// <summary>
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/// 单点
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/// </summary>
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public class ScrollViewHorizontalClickMove : MonoBehaviour
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{
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ScrollRect scrollRect; // 引用ScrollRect组件
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public float smoothTime = 0.3f; // 平滑过渡的时间
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public float stepDistance = 0.16f; // 移动的距离
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private float targetPosition; // 目标滚动位置
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private bool isScrolling = false; // 是否正在滚动
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private void Start()
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{
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scrollRect = GetComponent<ScrollRect>();
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}
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public void ScrollLeft()
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{
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StartCoroutine(SmoothScroll(-stepDistance)); // 假设每次点击向左滚动一小部分
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}
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public void ScrollRight()
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{
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StartCoroutine(SmoothScroll(stepDistance)); // 假设每次点击向右滚动一小部分
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}
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private IEnumerator SmoothScroll(float direction)
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{
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if (isScrolling) yield break; // 如果已经在滚动，则不开始新的滚动
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isScrolling = true;
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float elapsedTime = 0f;
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float lerp = 0f;
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// 计算开始时的当前位置和目标位置
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float startPosition = scrollRect.horizontalNormalizedPosition;
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targetPosition = Mathf.Clamp(startPosition + direction, 0f, 1f); // 确保目标位置在有效范围内
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// 循环直到达到目标位置或超过平滑时间
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while (lerp < 1f && elapsedTime < smoothTime)
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{
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elapsedTime += Time.deltaTime;
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lerp = Mathf.SmoothStep(0f, 1f, elapsedTime / smoothTime); // 使用SmoothStep函数进行平滑插值
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// 根据插值计算新的滚动位置
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float newPosition = Mathf.Lerp(startPosition, targetPosition, lerp);
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scrollRect.horizontalNormalizedPosition = newPosition;
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// 等待下一帧
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yield return null;
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}
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// 确保最终位置与目标位置一致
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scrollRect.horizontalNormalizedPosition = targetPosition;
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isScrolling = false;
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}
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} |