public void DragLeftPageToPoint(Vector3 point)
{
if (currentPaper <= StartFlippingPaper)
{
return;
}
pageDragging = true;
mode = FlipMode.LeftToRight;
f = point;
UpdatePages();
clipImage.rectTransform.pivot = new Vector2(0, 0.35f);
Right = papers[currentPaper - 1].Back.GetComponent <MaskableGraphic>();
BookUtility.ShowPage(Right.gameObject);
Right.transform.position = LeftPage.transform.position;
Right.transform.localEulerAngles = new Vector3(0, 0, 0);
Right.transform.SetAsFirstSibling();
Left = papers[currentPaper - 1].Front.GetComponent <MaskableGraphic>();
BookUtility.ShowPage(Left.gameObject);
Left.gameObject.SetActive(true);
Left.rectTransform.pivot = new Vector2(1, 0);
Left.transform.position = LeftPage.transform.position;
Left.transform.localEulerAngles = new Vector3(0, 0, 0);
if (enableShadowEffect)
{
shadowLTR.gameObject.SetActive(true);
}
clipImage.gameObject.SetActive(true);
UpdateBookLTRToPoint(f);
}
/// <summary>
/// Update page orders
/// This function should be called whenever the current page changed, the dragging of the page started or the page has been flipped
/// </summary>
public void UpdatePages()
{
int previousPaper = pageDragging ? currentPaper - 2 : currentPaper - 1;
//Hide all pages
for (int i = 0; i < papers.Count; i++)
{
BookUtility.HidePage(papers[i].Front);
papers[i].Front.transform.SetParent(target.transform);
BookUtility.HidePage(papers[i].Back);
papers[i].Back.transform.SetParent(target.transform);
}
if (hasTransparentPages)
{
//Show the back page of all previous papers
for (int i = 0; i <= previousPaper; i++)
{
BookUtility.ShowPage(papers[i].Back);
papers[i].Back.transform.SetParent(target.transform);
papers[i].Back.transform.SetSiblingIndex(i);
BookUtility.CopyTransform(LeftPage.transform, papers[i].Back.transform);
}
//Show the front page of all next papers
for (int i = papers.Count - 1; i >= currentPaper; i--)
{
BookUtility.ShowPage(papers[i].Front);
papers[i].Front.transform.SetSiblingIndex(papers.Count - i + previousPaper);
BookUtility.CopyTransform(RightPage.transform, papers[i].Front.transform);
}
}
else
{
//show back of previous page only
if (previousPaper >= 0)
{
BookUtility.ShowPage(papers[previousPaper].Back);
//papers[previousPaper].Back.transform.SetParent(BookPanel.transform);
//papers[previousPaper].Back.transform.SetSiblingIndex(previousPaper);
BookUtility.CopyTransform(LeftPage.transform, papers[previousPaper].Back.transform);
}
//show front of current page only
if (currentPaper <= papers.Count - 1)
{
BookUtility.ShowPage(papers[currentPaper].Front);
papers[currentPaper].Front.transform.SetSiblingIndex(papers.Count - currentPaper + previousPaper);
BookUtility.CopyTransform(RightPage.transform, papers[currentPaper].Front.transform);
}
}
#region Shadow Effect
if (enableShadowEffect)
{
//the shadow effect enabled
if (previousPaper >= 0)
{
//has at least one previous page, then left shadow should be active
shadowLImage.gameObject.SetActive(true);
shadowLImage.transform.SetParent(papers[previousPaper].Back.transform, true);
shadowLImage.rectTransform.anchoredPosition = new Vector3();
shadowLImage.rectTransform.localRotation = Quaternion.identity;
}
else
{
//if no previous pages, the leftShaow should be disabled
shadowLImage.gameObject.SetActive(false);
shadowLImage.transform.SetParent(target, true);
}
if (currentPaper < papers.Count)
{
//has at least one next page, the right shadow should be active
shadowRImage.gameObject.SetActive(true);
shadowRImage.transform.SetParent(papers[currentPaper].Front.transform, true);
shadowRImage.rectTransform.anchoredPosition = new Vector3();
shadowRImage.rectTransform.localRotation = Quaternion.identity;
}
else
{
//no next page, the right shadow should be diabled
shadowRImage.gameObject.SetActive(false);
shadowRImage.transform.SetParent(target, true);
}
}
else
{
//Enable Shadow Effect is Unchecked, all shadow effects should be disabled
shadowLImage.gameObject.SetActive(false);
shadowLImage.transform.SetParent(target, true);
shadowRImage.gameObject.SetActive(false);
shadowRImage.transform.SetParent(target, true);
}
#endregion
}