68 lines
1.6 KiB
C#
68 lines
1.6 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Reflection;
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using UnityEngine;
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using UnityEngine.EventSystems;
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using UnityEngine.UI;
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public class PageTurning : MonoBehaviour, IPointerClickHandler,IPointerEnterHandler,IPointerExitHandler
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{
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public Scrollbar slider;
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//检测鼠标是否在此UI上的布尔值
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public bool Isin;
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// Start is called before the first frame update
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void Start()
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{
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}
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// Update is called once per frame
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void Update()
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{
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ChangePage();
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MouseWheel();
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}
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//让此页面的滚动跟随右侧的滑动条
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void ChangePage()
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{
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if (this.transform.childCount != 0)
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{
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this.GetComponent<VerticalLayoutGroup>().padding.top = Convert.ToInt32(Math.Floor(-slider.value * (this.transform.childCount * this.transform.GetChild(0).GetComponent<RectTransform>().sizeDelta.y - this.GetComponent<RectTransform>().sizeDelta.y)));
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LayoutRebuilder.ForceRebuildLayoutImmediate(this.GetComponent<RectTransform>());
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}
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}
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public void OnPointerClick(PointerEventData pointerEventData)
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{
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}
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public void OnPointerEnter(PointerEventData pointerEventData)
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{
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Isin = true;
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}
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public void OnPointerExit(PointerEventData pointerEventData)
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{
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Isin = false;
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}
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void MouseWheel()
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{
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if (Isin)
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{
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slider.value += Input.GetAxis("Mouse ScrollWheel")*0.01f;
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}
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if (slider.value > 1)
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{
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slider.value = 1;
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}
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if (slider.value < 0)
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{
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slider.value = 0;
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}
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}
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}
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