Vector2 GetNearestItemCenter()
{
// 计算最近的 item 的 rect
var lockPoint = GetScrollRectCenter();
var itemList = sampleizeScrollRect.ItemList;
var shotestDistance = float.MaxValue;
Vector2 nearestItemCenter = Vector2.zero;
var nearestItemIndex = -1;
for (var i = 0; i < itemList.Count; i++)
{
var item = itemList[i];
var rect = RectTransformUtil.GetWorldRect(item.GetComponent <RectTransform>());
var center = rect.center;
var distanceP2 = MathUtil.PointDistancePower2(lockPoint, center);
if (distanceP2 < shotestDistance)
{
shotestDistance = distanceP2;
nearestItemCenter = center;
nearestItemIndex = i;
}
}
Debug.Log(nearestItemIndex);
return(nearestItemCenter);
}
public override void Play(Page oldPage, Page newPage)
{
oldPage.Active = true;
newPage.Active = true;
// var canvas = UIEngine.Canvas.GetComponent<RectTransform>();
// var canvasWidth = canvas.rect.width * canvas.localScale.x;
// var canvasHeight = canvas.rect.height * canvas.localScale.y;
var canvasRect = RectTransformUtil.GetWorldRect(UIEngine.Canvas.GetComponent <RectTransform>());
// newPage.rectTransform.SetInsetAndSizeFromParentEdge(RectTransform.Edge.Left, rect.xMin, rect.size.x);
// newPage.rectTransform.SetInsetAndSizeFromParentEdge(RectTransform.Edge.Bottom, rect.yMin,rect.size.y);
// var targetPosition = newPage.transform.position;
//var targetPosition = new Vector2(canvasWidth/2, canvasHeight/2);
var targetPosition = canvasRect.center;
Debug.Log(targetPosition);
var fromPosition = this.rect.center;
newPage.transform.position = fromPosition;
newPage.rectTransform.DOMove(targetPosition, DURATION);
var fromScaleX = 0; //this.rect.width / canvasWidth;
var fromScaleY = 0; //this.rect.height / canvasHeight;
newPage.rectTransform.localScale = new Vector2(fromScaleX, fromScaleY);
newPage.rectTransform.DOScale(Vector2.one, DURATION);
var cg = TryGetComponent <CanvasGroup>(newPage.gameObject);
cg.alpha = DURATION;
cg.DOFade(1, DURATION).OnComplete(() => {
this.finished = true;
oldPage.Active = false;
});
}
private void Update()
{
if (!(Viewport != null))
{
return;
}
viewportRect = RectTransformUtil.GetCanvasRect(Viewport, canvas);
rectCorners = RectTransformUtil.GetCanvasCorners(rectTransform, canvas);
bool flag = CheckMinAndMax;
for (int i = 0; i < rectCorners.Length; i++)
{
if (CheckMinAndMax)
{
if (!isPointContained(viewportRect, rectCorners[i]))
{
flag = false;
break;
}
}
else if (isPointContained(viewportRect, rectCorners[i]))
{
flag = true;
break;
}
}
if (flag != IsVisible)
{
IsVisible = flag;
}
}
public Vector2 GetScrollRectCenter()
{
var scrollRectTransform = sampleizeScrollRect.GetComponent <RectTransform>();
var scrollRectWorldRect = RectTransformUtil.GetWorldRect(scrollRectTransform);
var scrollRectCenter = scrollRectWorldRect.center;
var lockPoint = scrollRectCenter;
return(lockPoint);
}
Vector2 GetCenterOfItem(int index)
{
var itemList = sampleizeScrollRect.ItemList;
var item = itemList[index];
var rect = RectTransformUtil.GetWorldRect(item.GetComponent <RectTransform>());
var center = rect.center;
return(center);
}
private void SetRectTransformVerticalListHeight(RectTransform rectTrans, int lenght, float itemHeight, RectTransform minHeight)
{
float newHeight = (itemHeight * lenght);
float parentHeight = RectTransformUtil.GetHeight(minHeight);
if (parentHeight > newHeight)
{
newHeight = parentHeight;
}
RectTransformUtil.SetHeight(rectTrans, newHeight);
}
public void OnItemClick(MainPage_Item item)
{
AudioManager.PlaySe("button");
var param = new PicturePageParam();
param.pageType = item.data.pageType;
if (item.data.pageType == PicturePageType.Pictype)
{
param.picTypeId = item.data.row.Get <string>("id");
}
var rt = item.GetComponent <RectTransform>();
var rect = RectTransformUtil.GetWorldRect(rt);
var admission = new Admission_ScaleUpNewPage(rect);
UIEngine.Forward <PicturePage>(param, admission);
HeadBarFloating.admission = new Admission_ScaleDownOldPage(rect);
RadioStation.Brodcast("SELECT_PIC_TYPE");
}
public void Update()
{
// tween center at frame 2
lostTime += Time.deltaTime;
if (lostTime >= 0.3f)
{
if (first)
{
if (!GuideFloating.guideMode)
{
var b = HasUncompleteGame(PicId);
if (b)
{
var info = PlayerStatus.TryGetUncompleteOfPicId(PicId);
var sliceId = info.sliceId;
var itemIndex = sliceId - 1;
TweenItemToCenter(itemIndex);
}
else
{
TweenNearestToCenter();
}
}
else
{
TweenItemToCenter(0);
}
first = false;
}
}
// 计算离中心点最近的 item
var itemList = sampleizeScrollRect.ItemList;
var scrollRectTransform = sampleizeScrollRect.GetComponent <RectTransform>();
var scrollRectWorldRect = RectTransformUtil.GetWorldRect(scrollRectTransform);
var scrollRectCenter = scrollRectWorldRect.center;
var lockPoint = scrollRectCenter;
var shotestDistance = float.MaxValue;
Vector2 nearestItemCenter = Vector2.zero;
var nearestItemIndex = -1;
for (var i = 0; i < itemList.Count; i++)
{
var item = itemList[i];
var rect = RectTransformUtil.GetWorldRect(item.GetComponent <RectTransform>());
var center = rect.center;
var distanceP2 = MathUtil.PointDistancePower2(lockPoint, center);
if (distanceP2 < shotestDistance)
{
shotestDistance = distanceP2;
nearestItemCenter = center;
nearestItemIndex = i;
}
}
// 选中这个 item
for (var i = 0; i < itemList.Count; i++)
{
var item = itemList[i];
var itemComp = item.GetComponent <LevelSettingsPage_Item>();
if (i == nearestItemIndex)
{
itemComp.SetBig();
selectItem = itemComp;
}
else
{
itemComp.SetSmall();
}
}
}
public Rect WorldRect()
{
return(RectTransformUtil.GetWorldRect(this.GetComponent <RectTransform>()));
}
