济南网站建设报价,网站推广的全过程,网页设计网站大全,wordpress邮件验证评论[导读]最近.....废话不多说上效果图用的是UGUI我先说思路通过判断元素的位置信息来改变Hierarchy的顺序 实现无限滚动改变位置的同时也要不断的调整Content的位置防止乱跳元素锁定就是直接锁死的元素的移动范围 当只有拖动大于一定程度时最近.....废话不多说上效果图用的是UGUI…[导读]最近.....废话不多说上效果图用的是UGUI我先说思路通过判断元素的位置信息来改变Hierarchy的顺序 实现无限滚动改变位置的同时也要不断的调整Content的位置防止乱跳元素锁定就是直接锁死的元素的移动范围 当只有拖动大于一定程度时最近.....废话不多说上效果图用的是UGUI我先说思路通过判断元素的位置信息来改变Hierarchy的顺序 实现无限滚动改变位置的同时也要不断的调整Content的位置防止乱跳元素锁定就是直接锁死的元素的移动范围 当只有拖动大于一定程度时才会发生改变然后是面板设置整体结构是这样子的需要注意的是Content需要的两个组件Content的爸爸只需要一个脚本大小改变曲线(大致就行)颜色渐变曲线最后是脚本using System;using System.Collections;using System.Collections.Generic;using UnityEngine;using UnityEngine.EventSystems;using UnityEngine.UI;public class DateControl : MonoBehaviour, IBeginDragHandler, IDragHandler, IEndDragHandler {public enum ItemType { _year, _month, _day }public ItemType _itemtype;RectTransform conentRect;RectTransform targetRec;Vector3 oldDragPos;Vector3 newDragPos;public AnimationCurve curve_scale;//改变大小曲线public AnimationCurve curve_color;//渐变效果曲线List textList new List();Button testBtn;floatitemHeight, //子项item的高contentParentHeight, //Content爸爸的高itemNum, //子项数量itemHeight_min, //子项最小发生改变位置itemHeight_max, //子项最大发生改变位置conentLimit, //Conent纠正位置conentSpacing; //子项间隔大小float deltaX, deltaY;[HideInInspector]public static int _year, _month, _day;[HideInInspector]int dateItemNum;Color itemColor_hig new Color32(255, 255, 255, 255);void Awake() {conentRect transform.FindChild(Content).GetComponent();targetRec transform.parent.FindChild(HighlightTarget).GetComponent();}void OnEnable() {ItemList();}void Start() {switch (_itemtype) {case ItemType._year: InstantiateData(15, 2017); break;case ItemType._month: InstantiateData(12, 12); break;case ItemType._day: InstantiateData(31, 31); break;}itemNum transform.FindChild(Content).childCount - 1;contentParentHeight conentRect.parent.GetComponent().sizeDelta.y;conentSpacing conentRect.GetComponent().spacing / 2;itemHeight textList[0].rectTransform.sizeDelta.y conentSpacing;if (itemNum % 2 0) conentLimit (itemHeight 5) / 2;else conentLimit 0;conentRect.anchoredPosition new Vector2(conentRect.anchoredPosition.x, conentLimit);deltaX textList[0].GetComponent().sizeDelta.x;deltaY textList[0].GetComponent().sizeDelta.y;Invoke(ItemList, 0.05f);}/// /// 生成子项item/// /// 子项数量/// 子项最大值void InstantiateData(int itemNum, int dat) {GameObject go;Text testObj conentRect.FindChild(Text).GetComponent();for (int i dat - itemNum 1; i dat; i) {go Instantiate(testObj.gameObject, conentRect);go.GetComponent().text i.ToString();go.name i.ToString();textList.Add(go.GetComponent());ShowItem(true);}Destroy(conentRect.FindChild(Text).gameObject);}/// /// 是增加或减少/// /// void ShowItem(bool isIncreaseOrdecrease) {itemHeight_min -itemHeight;if (_itemtype ItemType._day) itemHeight_max -itemHeight * itemNum - 95;else itemHeight_max -itemHeight * itemNum;if (isIncreaseOrdecrease) {foreach (Text rectItem in textList) {if (rectItem.GetComponent().anchoredPosition.y itemHeight_min) {print();rectItem.transform.SetSiblingIndex((int)itemNum);}}print(itemHeight_min);} else {foreach (Text rectItem in textList) {if (rectItem.GetComponent().anchoredPosition.y print(-);rectItem.transform.SetSiblingIndex(0);}}print(itemHeight_max);}}/// /// 渐变效果改变大小高亮显示/// void ItemList() {foreach (Text item in textList) {float indexA Mathf.Abs(item.GetComponent().position.y - targetRec.position.y);float indexSc_scale Mathf.Abs(curve_scale.Evaluate(indexA / contentParentHeight));float indexSc_color Mathf.Abs(curve_color.Evaluate(indexA / contentParentHeight));if (indexA item.color itemColor_hig;switch (_itemtype) {case ItemType._year: _year int.Parse(item.text); break;case ItemType._month: _month int.Parse(item.text); break;case ItemType._day: _day int.Parse(item.text); break;}} else item.color new Color(0, 0, 0, 1 - indexSc_color);item.GetComponent().localScale new Vector3(1 - indexSc_scale, 1 - indexSc_scale * 3, 1 - indexSc_scale);//item.GetComponent().sizeDelta new Vector2(deltaX - (deltaX * indexSc), deltaY - (deltaY * indexSc));}}/// /// 获取int类型日期并转换为指定格式/// /// public static string GetDateInfo() { return _year - _month - _day; }/// /// 纠正Conent位置/// void UpdateEx() {if (conentRect.anchoredPosition.y conentLimit) {ShowItem(true);conentRect.anchoredPosition new Vector2(conentRect.anchoredPosition.x, conentRect.anchoredPosition.y - itemHeight);}if (conentRect.anchoredPosition.y ShowItem(false);conentRect.anchoredPosition new Vector2(conentRect.anchoredPosition.x, conentRect.anchoredPosition.y itemHeight);}}/// /// 获取拖拽信息并改变Conent位置/// /// void SetDraggedPosition(PointerEventData eventData) {if (RectTransformUtility.ScreenPointToWorldPointInRectangle(conentRect, eventData.position, eventData.pressEventCamera, out newDragPos)) {newDragPos eventData.position;if (Mathf.Abs(newDragPos.y - oldDragPos.y) itemHeight) {if (newDragPos.y oldDragPos.y) {conentRect.anchoredPosition new Vector2(conentRect.anchoredPosition.x, conentRect.anchoredPosition.y itemHeight);oldDragPos new Vector3(0, itemHeight, 0);ItemList();} else {conentRect.anchoredPosition new Vector2(conentRect.anchoredPosition.x, conentRect.anchoredPosition.y - itemHeight);oldDragPos - new Vector3(0, itemHeight, 0);ItemList();}}}}/// /// 当开始拖拽/// /// public void OnBeginDrag(PointerEventData eventData) {oldDragPos eventData.position;}public void OnDrag(PointerEventData eventData) {SetDraggedPosition(eventData);UpdateEx();}public void OnEndDrag(PointerEventData eventData) {SetDraggedPosition(eventData);UpdateEx();}}照着来的话基本没什么问题因为赶时间所以很多地方写的简单粗暴请谅解如果调整元素大小或者间隙大小 需要改变itemHeight_min 和 itemHeight_max的值他们分别为itemHeight_minitemHeight_max也就是元素的最顶层和最底层的Y值以上就是年月日选择器的具体步骤
