699 lines
26 KiB
C#
699 lines
26 KiB
C#
|
using UnityEngine;
|
|||
|
|
using UnityEngine.Events;
|
|||
|
|
using UnityEngine.UI;
|
|||
|
|
using System.Collections;
|
|||
|
|
using System;
|
|||
|
|
#if ENABLE_INPUT_SYSTEM
|
|||
|
|
//using UnityEngine.InputSystem;
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
namespace BookCurlPro
|
|||
|
|
{
|
|||
|
|
public enum FlipMode
|
|||
|
|
{
|
|||
|
|
RightToLeft,
|
|||
|
|
LeftToRight
|
|||
|
|
}
|
|||
|
|
public class BookPro : MonoBehaviour
|
|||
|
|
{
|
|||
|
|
Canvas canvas;
|
|||
|
|
[SerializeField]
|
|||
|
|
RectTransform BookPanel;
|
|||
|
|
public Image ClippingPlane;
|
|||
|
|
public Image Shadow;
|
|||
|
|
public Image LeftPageShadow;
|
|||
|
|
public Image RightPageShadow;
|
|||
|
|
public Image ShadowLTR;
|
|||
|
|
public RectTransform LeftPageTransform;
|
|||
|
|
public RectTransform RightPageTransform;
|
|||
|
|
public bool interactable = true;
|
|||
|
|
public bool enableShadowEffect = true;
|
|||
|
|
[Tooltip("Uncheck this if the book does not contain transparent pages to improve the overall performance")]
|
|||
|
|
public bool hasTransparentPages = true;
|
|||
|
|
[HideInInspector]
|
|||
|
|
public int currentPaper = 0;
|
|||
|
|
[HideInInspector]
|
|||
|
|
public Paper[] papers;
|
|||
|
|
/// <summary>
|
|||
|
|
/// OnFlip invocation list, called when any page flipped
|
|||
|
|
/// </summary>
|
|||
|
|
public UnityEvent OnFlip;
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// The Current Shown paper (the paper its front shown in right part)
|
|||
|
|
/// </summary>
|
|||
|
|
public int CurrentPaper
|
|||
|
|
{
|
|||
|
|
get { return currentPaper; }
|
|||
|
|
set
|
|||
|
|
{
|
|||
|
|
if (value != currentPaper)
|
|||
|
|
{
|
|||
|
|
if (value < StartFlippingPaper)
|
|||
|
|
currentPaper = StartFlippingPaper;
|
|||
|
|
else if (value > EndFlippingPaper + 1)
|
|||
|
|
currentPaper = EndFlippingPaper + 1;
|
|||
|
|
else
|
|||
|
|
currentPaper = value;
|
|||
|
|
UpdatePages();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
[HideInInspector]
|
|||
|
|
public int StartFlippingPaper = 0;
|
|||
|
|
[HideInInspector]
|
|||
|
|
public int EndFlippingPaper = 1;
|
|||
|
|
|
|||
|
|
public Vector3 EndBottomLeft
|
|||
|
|
{
|
|||
|
|
get { return ebl; }
|
|||
|
|
}
|
|||
|
|
public Vector3 EndBottomRight
|
|||
|
|
{
|
|||
|
|
get { return ebr; }
|
|||
|
|
}
|
|||
|
|
public float Height
|
|||
|
|
{
|
|||
|
|
get
|
|||
|
|
{
|
|||
|
|
return BookPanel.rect.height;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
Image Left;
|
|||
|
|
Image Right;
|
|||
|
|
|
|||
|
|
//current flip mode
|
|||
|
|
FlipMode mode;
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// this value should e true while the user darg the page
|
|||
|
|
/// </summary>
|
|||
|
|
bool pageDragging = false;
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// should be true when the page tween forward or backward after release
|
|||
|
|
/// </summary>
|
|||
|
|
bool tweening = false;
|
|||
|
|
|
|||
|
|
// Use this for initialization
|
|||
|
|
void Start()
|
|||
|
|
{
|
|||
|
|
Canvas[] c = GetComponentsInParent<Canvas>();
|
|||
|
|
if (c.Length > 0)
|
|||
|
|
canvas = c[c.Length - 1];
|
|||
|
|
else
|
|||
|
|
Debug.LogError("Book Must be a child to canvas diectly or indirectly");
|
|||
|
|
|
|||
|
|
UpdatePages();
|
|||
|
|
|
|||
|
|
CalcCurlCriticalPoints();
|
|||
|
|
|
|||
|
|
|
|||
|
|
float pageWidth = BookPanel.rect.width / 2.0f;
|
|||
|
|
float pageHeight = BookPanel.rect.height;
|
|||
|
|
|
|||
|
|
|
|||
|
|
ClippingPlane.rectTransform.sizeDelta = new Vector2(pageWidth * 2 + pageHeight, pageHeight + pageHeight * 2);
|
|||
|
|
|
|||
|
|
//hypotenous (diagonal) page length
|
|||
|
|
float hyp = Mathf.Sqrt(pageWidth * pageWidth + pageHeight * pageHeight);
|
|||
|
|
float shadowPageHeight = pageWidth / 2 + hyp;
|
|||
|
|
|
|||
|
|
Shadow.rectTransform.sizeDelta = new Vector2(pageWidth, shadowPageHeight);
|
|||
|
|
Shadow.rectTransform.pivot = new Vector2(1, (pageWidth / 2) / shadowPageHeight);
|
|||
|
|
|
|||
|
|
ShadowLTR.rectTransform.sizeDelta = new Vector2(pageWidth, shadowPageHeight);
|
|||
|
|
ShadowLTR.rectTransform.pivot = new Vector2(0, (pageWidth / 2) / shadowPageHeight);
|
|||
|
|
|
|||
|
|
RightPageShadow.rectTransform.sizeDelta = new Vector2(pageWidth, shadowPageHeight);
|
|||
|
|
RightPageShadow.rectTransform.pivot = new Vector2(0, (pageWidth / 2) / shadowPageHeight);
|
|||
|
|
|
|||
|
|
LeftPageShadow.rectTransform.sizeDelta = new Vector2(pageWidth, shadowPageHeight);
|
|||
|
|
LeftPageShadow.rectTransform.pivot = new Vector2(1, (pageWidth / 2) / shadowPageHeight);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// transform point from global (world-space) to local space
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="global">poit iin world space</param>
|
|||
|
|
/// <returns></returns>
|
|||
|
|
public Vector3 transformPoint(Vector3 global)
|
|||
|
|
{
|
|||
|
|
Vector2 localPos = BookPanel.InverseTransformPoint(global);
|
|||
|
|
return localPos;
|
|||
|
|
}
|
|||
|
|
/// <summary>
|
|||
|
|
/// transform mouse position to local space
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="mouseScreenPos"></param>
|
|||
|
|
/// <returns></returns>
|
|||
|
|
public Vector3 transformPointMousePosition(Vector3 mouseScreenPos)
|
|||
|
|
{
|
|||
|
|
if (canvas.renderMode == RenderMode.ScreenSpaceCamera)
|
|||
|
|
{
|
|||
|
|
Vector3 mouseWorldPos = canvas.worldCamera.ScreenToWorldPoint(new Vector3(mouseScreenPos.x, mouseScreenPos.y, canvas.planeDistance));
|
|||
|
|
Vector2 localPos = BookPanel.InverseTransformPoint(mouseWorldPos);
|
|||
|
|
|
|||
|
|
return localPos;
|
|||
|
|
}
|
|||
|
|
else if (canvas.renderMode == RenderMode.WorldSpace)
|
|||
|
|
{
|
|||
|
|
Ray ray = Camera.main.ScreenPointToRay(mouseScreenPos);
|
|||
|
|
Vector3 globalEBR = transform.TransformPoint(ebr);
|
|||
|
|
Vector3 globalEBL = transform.TransformPoint(ebl);
|
|||
|
|
Vector3 globalSt = transform.TransformPoint(st);
|
|||
|
|
Plane p = new Plane(globalEBR, globalEBL, globalSt);
|
|||
|
|
float distance;
|
|||
|
|
p.Raycast(ray, out distance);
|
|||
|
|
Vector2 localPos = BookPanel.InverseTransformPoint(ray.GetPoint(distance));
|
|||
|
|
return localPos;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
//Screen Space Overlay
|
|||
|
|
Vector2 localPos = BookPanel.InverseTransformPoint(mouseScreenPos);
|
|||
|
|
return localPos;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <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.Length; i++)
|
|||
|
|
{
|
|||
|
|
BookUtility.HidePage(papers[i].Front);
|
|||
|
|
papers[i].Front.transform.SetParent(BookPanel.transform);
|
|||
|
|
BookUtility.HidePage(papers[i].Back);
|
|||
|
|
papers[i].Back.transform.SetParent(BookPanel.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(BookPanel.transform);
|
|||
|
|
papers[i].Back.transform.SetSiblingIndex(i);
|
|||
|
|
BookUtility.CopyTransform(LeftPageTransform.transform, papers[i].Back.transform);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//Show the front page of all next papers
|
|||
|
|
for (int i = papers.Length - 1; i >= currentPaper; i--)
|
|||
|
|
{
|
|||
|
|
BookUtility.ShowPage(papers[i].Front);
|
|||
|
|
papers[i].Front.transform.SetSiblingIndex(papers.Length - i + previousPaper);
|
|||
|
|
BookUtility.CopyTransform(RightPageTransform.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(LeftPageTransform.transform, papers[previousPaper].Back.transform);
|
|||
|
|
}
|
|||
|
|
//show front of current page only
|
|||
|
|
if (currentPaper <= papers.Length - 1)
|
|||
|
|
{
|
|||
|
|
BookUtility.ShowPage(papers[currentPaper].Front);
|
|||
|
|
papers[currentPaper].Front.transform.SetSiblingIndex(papers.Length - currentPaper + previousPaper);
|
|||
|
|
BookUtility.CopyTransform(RightPageTransform.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
|
|||
|
|
LeftPageShadow.gameObject.SetActive(true);
|
|||
|
|
LeftPageShadow.transform.SetParent(papers[previousPaper].Back.transform, true);
|
|||
|
|
LeftPageShadow.rectTransform.anchoredPosition = new Vector3();
|
|||
|
|
LeftPageShadow.rectTransform.localRotation = Quaternion.identity;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
//if no previous pages, the leftShaow should be disabled
|
|||
|
|
LeftPageShadow.gameObject.SetActive(false);
|
|||
|
|
LeftPageShadow.transform.SetParent(BookPanel, true);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (currentPaper < papers.Length)
|
|||
|
|
{
|
|||
|
|
//has at least one next page, the right shadow should be active
|
|||
|
|
RightPageShadow.gameObject.SetActive(true);
|
|||
|
|
RightPageShadow.transform.SetParent(papers[currentPaper].Front.transform, true);
|
|||
|
|
RightPageShadow.rectTransform.anchoredPosition = new Vector3();
|
|||
|
|
RightPageShadow.rectTransform.localRotation = Quaternion.identity;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
//no next page, the right shadow should be diabled
|
|||
|
|
RightPageShadow.gameObject.SetActive(false);
|
|||
|
|
RightPageShadow.transform.SetParent(BookPanel, true);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
//Enable Shadow Effect is Unchecked, all shadow effects should be disabled
|
|||
|
|
LeftPageShadow.gameObject.SetActive(false);
|
|||
|
|
LeftPageShadow.transform.SetParent(BookPanel, true);
|
|||
|
|
|
|||
|
|
RightPageShadow.gameObject.SetActive(false);
|
|||
|
|
RightPageShadow.transform.SetParent(BookPanel, true);
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
#endregion
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
//mouse interaction events call back
|
|||
|
|
public void OnMouseDragRightPage()
|
|||
|
|
{
|
|||
|
|
if (interactable && !tweening)
|
|||
|
|
{
|
|||
|
|
|
|||
|
|
DragRightPageToPoint(transformPointMousePosition(GetMousePosition()));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
public void DragRightPageToPoint(Vector3 point)
|
|||
|
|
{
|
|||
|
|
if (currentPaper > EndFlippingPaper) return;
|
|||
|
|
pageDragging = true;
|
|||
|
|
mode = FlipMode.RightToLeft;
|
|||
|
|
f = point;
|
|||
|
|
|
|||
|
|
ClippingPlane.rectTransform.pivot = new Vector2(1, 0.35f);
|
|||
|
|
currentPaper += 1;
|
|||
|
|
|
|||
|
|
UpdatePages();
|
|||
|
|
|
|||
|
|
Left = papers[currentPaper - 1].Front.GetComponent<Image>();
|
|||
|
|
BookUtility.ShowPage(Left.gameObject);
|
|||
|
|
Left.rectTransform.pivot = new Vector2(0, 0);
|
|||
|
|
Left.transform.position = RightPageTransform.transform.position;
|
|||
|
|
Left.transform.localEulerAngles = new Vector3(0, 0, 0);
|
|||
|
|
|
|||
|
|
Right = papers[currentPaper - 1].Back.GetComponent<Image>();
|
|||
|
|
BookUtility.ShowPage(Right.gameObject);
|
|||
|
|
Right.transform.position = RightPageTransform.transform.position;
|
|||
|
|
Right.transform.localEulerAngles = new Vector3(0, 0, 0);
|
|||
|
|
|
|||
|
|
if (enableShadowEffect) Shadow.gameObject.SetActive(true);
|
|||
|
|
ClippingPlane.gameObject.SetActive(true);
|
|||
|
|
|
|||
|
|
UpdateBookRTLToPoint(f);
|
|||
|
|
}
|
|||
|
|
public void OnMouseDragLeftPage()
|
|||
|
|
{
|
|||
|
|
if (interactable && !tweening)
|
|||
|
|
{
|
|||
|
|
DragLeftPageToPoint(transformPointMousePosition(GetMousePosition()));
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
public void DragLeftPageToPoint(Vector3 point)
|
|||
|
|
{
|
|||
|
|
if (currentPaper <= StartFlippingPaper) return;
|
|||
|
|
pageDragging = true;
|
|||
|
|
mode = FlipMode.LeftToRight;
|
|||
|
|
f = point;
|
|||
|
|
|
|||
|
|
UpdatePages();
|
|||
|
|
|
|||
|
|
ClippingPlane.rectTransform.pivot = new Vector2(0, 0.35f);
|
|||
|
|
|
|||
|
|
Right = papers[currentPaper - 1].Back.GetComponent<Image>();
|
|||
|
|
BookUtility.ShowPage(Right.gameObject);
|
|||
|
|
Right.transform.position = LeftPageTransform.transform.position;
|
|||
|
|
Right.transform.localEulerAngles = new Vector3(0, 0, 0);
|
|||
|
|
Right.transform.SetAsFirstSibling();
|
|||
|
|
|
|||
|
|
Left = papers[currentPaper - 1].Front.GetComponent<Image>();
|
|||
|
|
BookUtility.ShowPage(Left.gameObject);
|
|||
|
|
Left.gameObject.SetActive(true);
|
|||
|
|
Left.rectTransform.pivot = new Vector2(1, 0);
|
|||
|
|
Left.transform.position = LeftPageTransform.transform.position;
|
|||
|
|
Left.transform.localEulerAngles = new Vector3(0, 0, 0);
|
|||
|
|
|
|||
|
|
|
|||
|
|
if (enableShadowEffect) ShadowLTR.gameObject.SetActive(true);
|
|||
|
|
ClippingPlane.gameObject.SetActive(true);
|
|||
|
|
UpdateBookLTRToPoint(f);
|
|||
|
|
}
|
|||
|
|
public void OnMouseRelease()
|
|||
|
|
{
|
|||
|
|
if (interactable)
|
|||
|
|
ReleasePage();
|
|||
|
|
}
|
|||
|
|
public void ReleasePage()
|
|||
|
|
{
|
|||
|
|
if (pageDragging)
|
|||
|
|
{
|
|||
|
|
pageDragging = false;
|
|||
|
|
float distanceToLeft = Vector2.Distance(c, ebl);
|
|||
|
|
float distanceToRight = Vector2.Distance(c, ebr);
|
|||
|
|
if (distanceToRight < distanceToLeft && mode == FlipMode.RightToLeft)
|
|||
|
|
TweenBack();
|
|||
|
|
else if (distanceToRight > distanceToLeft && mode == FlipMode.LeftToRight)
|
|||
|
|
TweenBack();
|
|||
|
|
else
|
|||
|
|
TweenForward();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// Update is called once per frame
|
|||
|
|
void Update()
|
|||
|
|
{
|
|||
|
|
if (pageDragging && interactable)
|
|||
|
|
{
|
|||
|
|
UpdateBook();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private Vector2 GetMousePosition()
|
|||
|
|
{
|
|||
|
|
#if ENABLE_INPUT_SYSTEM
|
|||
|
|
//return Mouse.current.position.ReadValue();
|
|||
|
|
#endif
|
|||
|
|
return Input.mousePosition;
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
public void UpdateBook()
|
|||
|
|
{
|
|||
|
|
f = Vector3.Lerp(f, transformPointMousePosition(GetMousePosition()), Time.deltaTime * 10);
|
|||
|
|
if (mode == FlipMode.RightToLeft)
|
|||
|
|
UpdateBookRTLToPoint(f);
|
|||
|
|
else
|
|||
|
|
UpdateBookLTRToPoint(f);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// This function called when the page dragging point reached its distenation after releasing the mouse
|
|||
|
|
/// This function will call the OnFlip invocation list
|
|||
|
|
/// if you need to call any fnction after the page flipped just add it to the OnFlip invocation list
|
|||
|
|
/// </summary>
|
|||
|
|
public void Flip()
|
|||
|
|
{
|
|||
|
|
pageDragging = false;
|
|||
|
|
|
|||
|
|
if (mode == FlipMode.LeftToRight)
|
|||
|
|
currentPaper -= 1;
|
|||
|
|
//Debug.Log(currentPaper);
|
|||
|
|
Left.transform.SetParent(BookPanel.transform, true);
|
|||
|
|
Left.rectTransform.pivot = new Vector2(0, 0);
|
|||
|
|
Right.transform.SetParent(BookPanel.transform, true);
|
|||
|
|
UpdatePages();
|
|||
|
|
Shadow.gameObject.SetActive(false);
|
|||
|
|
ShadowLTR.gameObject.SetActive(false);
|
|||
|
|
ClippingPlane.gameObject.SetActive(false);
|
|||
|
|
if (OnFlip != null)
|
|||
|
|
OnFlip.Invoke();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public void TweenForward()
|
|||
|
|
{
|
|||
|
|
if (mode == FlipMode.RightToLeft)
|
|||
|
|
{
|
|||
|
|
tweening = true;
|
|||
|
|
Tween.ValueTo(gameObject, f, ebl * 0.98f, 0.3f, TweenUpdate, () =>
|
|||
|
|
{
|
|||
|
|
Flip();
|
|||
|
|
tweening = false;
|
|||
|
|
});
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
tweening = true;
|
|||
|
|
Tween.ValueTo(gameObject, f, ebr * 0.98f, 0.3f, TweenUpdate, () =>
|
|||
|
|
{
|
|||
|
|
Flip();
|
|||
|
|
tweening = false;
|
|||
|
|
});
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
void TweenUpdate(Vector3 follow)
|
|||
|
|
{
|
|||
|
|
if (mode == FlipMode.RightToLeft)
|
|||
|
|
UpdateBookRTLToPoint(follow);
|
|||
|
|
else
|
|||
|
|
UpdateBookLTRToPoint(follow);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public void TweenBack()
|
|||
|
|
{
|
|||
|
|
if (mode == FlipMode.RightToLeft)
|
|||
|
|
{
|
|||
|
|
tweening = true;
|
|||
|
|
Tween.ValueTo(gameObject, f, ebr * 0.98f, 0.3f, TweenUpdate, () =>
|
|||
|
|
{
|
|||
|
|
currentPaper -= 1;
|
|||
|
|
Right.transform.SetParent(BookPanel.transform);
|
|||
|
|
Left.transform.SetParent(BookPanel.transform);
|
|||
|
|
//pageDragging = false;
|
|||
|
|
tweening = false;
|
|||
|
|
Shadow.gameObject.SetActive(false);
|
|||
|
|
ShadowLTR.gameObject.SetActive(false);
|
|||
|
|
UpdatePages();
|
|||
|
|
});
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
tweening = true;
|
|||
|
|
Tween.ValueTo(gameObject, f, ebl * 0.98f, 0.3f, TweenUpdate, () =>
|
|||
|
|
{
|
|||
|
|
Left.transform.SetParent(BookPanel.transform);
|
|||
|
|
Right.transform.SetParent(BookPanel.transform);
|
|||
|
|
//pageDragging = false;
|
|||
|
|
tweening = false;
|
|||
|
|
Shadow.gameObject.SetActive(false);
|
|||
|
|
ShadowLTR.gameObject.SetActive(false);
|
|||
|
|
UpdatePages();
|
|||
|
|
});
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#region Page Curl Internal Calculations
|
|||
|
|
//for more info about this part please check this link : http://rbarraza.com/html5-canvas-pageflip/
|
|||
|
|
|
|||
|
|
float radius1, radius2;
|
|||
|
|
//Spine Bottom
|
|||
|
|
Vector3 sb;
|
|||
|
|
//Spine Top
|
|||
|
|
Vector3 st;
|
|||
|
|
//corner of the page
|
|||
|
|
Vector3 c;
|
|||
|
|
//Edge Bottom Right
|
|||
|
|
Vector3 ebr;
|
|||
|
|
//Edge Bottom Left
|
|||
|
|
Vector3 ebl;
|
|||
|
|
//follow point
|
|||
|
|
Vector3 f;
|
|||
|
|
|
|||
|
|
private void CalcCurlCriticalPoints()
|
|||
|
|
{
|
|||
|
|
sb = new Vector3(0, -BookPanel.rect.height / 2);
|
|||
|
|
ebr = new Vector3(BookPanel.rect.width / 2, -BookPanel.rect.height / 2);
|
|||
|
|
ebl = new Vector3(-BookPanel.rect.width / 2, -BookPanel.rect.height / 2);
|
|||
|
|
st = new Vector3(0, BookPanel.rect.height / 2);
|
|||
|
|
radius1 = Vector2.Distance(sb, ebr);
|
|||
|
|
float pageWidth = BookPanel.rect.width / 2.0f;
|
|||
|
|
float pageHeight = BookPanel.rect.height;
|
|||
|
|
radius2 = Mathf.Sqrt(pageWidth * pageWidth + pageHeight * pageHeight);
|
|||
|
|
}
|
|||
|
|
public void UpdateBookRTLToPoint(Vector3 followLocation)
|
|||
|
|
{
|
|||
|
|
mode = FlipMode.RightToLeft;
|
|||
|
|
f = followLocation;
|
|||
|
|
if (enableShadowEffect)
|
|||
|
|
{
|
|||
|
|
Shadow.transform.SetParent(ClippingPlane.transform, true);
|
|||
|
|
Shadow.transform.localPosition = new Vector3(0, 0, 0);
|
|||
|
|
Shadow.transform.localEulerAngles = new Vector3(0, 0, 0);
|
|||
|
|
|
|||
|
|
ShadowLTR.transform.SetParent(Left.transform);
|
|||
|
|
ShadowLTR.rectTransform.anchoredPosition = new Vector3();
|
|||
|
|
ShadowLTR.transform.localEulerAngles = Vector3.zero;
|
|||
|
|
ShadowLTR.gameObject.SetActive(true);
|
|||
|
|
}
|
|||
|
|
Right.transform.SetParent(ClippingPlane.transform, true);
|
|||
|
|
|
|||
|
|
Left.transform.SetParent(BookPanel.transform, true);
|
|||
|
|
c = Calc_C_Position(followLocation);
|
|||
|
|
Vector3 t1;
|
|||
|
|
float T0_T1_Angle = Calc_T0_T1_Angle(c, ebr, out t1);
|
|||
|
|
if (T0_T1_Angle >= -90) T0_T1_Angle -= 180;
|
|||
|
|
|
|||
|
|
ClippingPlane.rectTransform.pivot = new Vector2(1, 0.35f);
|
|||
|
|
ClippingPlane.transform.localEulerAngles = new Vector3(0, 0, T0_T1_Angle + 90);
|
|||
|
|
ClippingPlane.transform.position = BookPanel.TransformPoint(t1);
|
|||
|
|
|
|||
|
|
|
|||
|
|
RightPageShadow.transform.localEulerAngles = new Vector3(0, 0, T0_T1_Angle + 90);
|
|||
|
|
RightPageShadow.transform.position = BookPanel.TransformPoint(t1);
|
|||
|
|
|
|||
|
|
//page position and angle
|
|||
|
|
Right.transform.position = BookPanel.TransformPoint(c);
|
|||
|
|
float C_T1_dy = t1.y - c.y;
|
|||
|
|
float C_T1_dx = t1.x - c.x;
|
|||
|
|
float C_T1_Angle = Mathf.Atan2(C_T1_dy, C_T1_dx) * Mathf.Rad2Deg;
|
|||
|
|
Right.transform.localEulerAngles = new Vector3(0, 0, C_T1_Angle - (T0_T1_Angle + 90));
|
|||
|
|
|
|||
|
|
Left.transform.SetParent(ClippingPlane.transform, true);
|
|||
|
|
Left.transform.SetAsFirstSibling();
|
|||
|
|
|
|||
|
|
Shadow.rectTransform.SetParent(Right.rectTransform, true);
|
|||
|
|
}
|
|||
|
|
public void UpdateBookLTRToPoint(Vector3 followLocation)
|
|||
|
|
{
|
|||
|
|
mode = FlipMode.LeftToRight;
|
|||
|
|
f = followLocation;
|
|||
|
|
if (enableShadowEffect)
|
|||
|
|
{
|
|||
|
|
ShadowLTR.transform.SetParent(ClippingPlane.transform, true);
|
|||
|
|
ShadowLTR.transform.localPosition = new Vector3(0, 0, 0);
|
|||
|
|
ShadowLTR.transform.localEulerAngles = new Vector3(0, 0, 0);
|
|||
|
|
|
|||
|
|
Shadow.transform.SetParent(Right.transform);
|
|||
|
|
Shadow.rectTransform.anchoredPosition = new Vector3(0, 0, 0);
|
|||
|
|
Shadow.transform.localEulerAngles = Vector3.zero;
|
|||
|
|
Shadow.gameObject.SetActive(true);
|
|||
|
|
}
|
|||
|
|
Left.transform.SetParent(ClippingPlane.transform, true);
|
|||
|
|
Right.transform.SetParent(BookPanel.transform, true);
|
|||
|
|
|
|||
|
|
c = Calc_C_Position(followLocation);
|
|||
|
|
Vector3 t1;
|
|||
|
|
float T0_T1_Angle = Calc_T0_T1_Angle(c, ebl, out t1);
|
|||
|
|
if (T0_T1_Angle < 0) T0_T1_Angle += 180;
|
|||
|
|
|
|||
|
|
ClippingPlane.transform.localEulerAngles = new Vector3(0, 0, T0_T1_Angle - 90);
|
|||
|
|
ClippingPlane.transform.position = BookPanel.TransformPoint(t1);
|
|||
|
|
|
|||
|
|
LeftPageShadow.transform.localEulerAngles = new Vector3(0, 0, T0_T1_Angle - 90);
|
|||
|
|
LeftPageShadow.transform.position = BookPanel.TransformPoint(t1);
|
|||
|
|
|
|||
|
|
//page position and angle
|
|||
|
|
Left.transform.position = BookPanel.TransformPoint(c);
|
|||
|
|
float C_T1_dy = t1.y - c.y;
|
|||
|
|
float C_T1_dx = t1.x - c.x;
|
|||
|
|
float C_T1_Angle = Mathf.Atan2(C_T1_dy, C_T1_dx) * Mathf.Rad2Deg;
|
|||
|
|
Left.transform.localEulerAngles = new Vector3(0, 0, C_T1_Angle - 180 - (T0_T1_Angle - 90));
|
|||
|
|
|
|||
|
|
Right.transform.SetParent(ClippingPlane.transform, true);
|
|||
|
|
Right.transform.SetAsFirstSibling();
|
|||
|
|
|
|||
|
|
ShadowLTR.rectTransform.SetParent(Left.rectTransform, true);
|
|||
|
|
}
|
|||
|
|
private float Calc_T0_T1_Angle(Vector3 c, Vector3 bookCorner, out Vector3 t1)
|
|||
|
|
{
|
|||
|
|
Vector3 t0 = (c + bookCorner) / 2;
|
|||
|
|
float T0_CORNER_dy = bookCorner.y - t0.y;
|
|||
|
|
float T0_CORNER_dx = bookCorner.x - t0.x;
|
|||
|
|
float T0_CORNER_Angle = Mathf.Atan2(T0_CORNER_dy, T0_CORNER_dx);
|
|||
|
|
float T0_T1_Angle = 90 - T0_CORNER_Angle;
|
|||
|
|
|
|||
|
|
float T1_X = t0.x - T0_CORNER_dy * Mathf.Tan(T0_CORNER_Angle);
|
|||
|
|
T1_X = normalizeT1X(T1_X, bookCorner, sb);
|
|||
|
|
t1 = new Vector3(T1_X, sb.y, 0);
|
|||
|
|
////////////////////////////////////////////////
|
|||
|
|
//clipping plane angle=T0_T1_Angle
|
|||
|
|
float T0_T1_dy = t1.y - t0.y;
|
|||
|
|
float T0_T1_dx = t1.x - t0.x;
|
|||
|
|
T0_T1_Angle = Mathf.Atan2(T0_T1_dy, T0_T1_dx) * Mathf.Rad2Deg;
|
|||
|
|
return T0_T1_Angle;
|
|||
|
|
}
|
|||
|
|
private float normalizeT1X(float t1, Vector3 corner, Vector3 sb)
|
|||
|
|
{
|
|||
|
|
if (t1 > sb.x && sb.x > corner.x)
|
|||
|
|
return sb.x;
|
|||
|
|
if (t1 < sb.x && sb.x < corner.x)
|
|||
|
|
return sb.x;
|
|||
|
|
return t1;
|
|||
|
|
}
|
|||
|
|
private Vector3 Calc_C_Position(Vector3 followLocation)
|
|||
|
|
{
|
|||
|
|
Vector3 c;
|
|||
|
|
f = followLocation;
|
|||
|
|
float F_SB_dy = f.y - sb.y;
|
|||
|
|
float F_SB_dx = f.x - sb.x;
|
|||
|
|
float F_SB_Angle = Mathf.Atan2(F_SB_dy, F_SB_dx);
|
|||
|
|
Vector3 r1 = new Vector3(radius1 * Mathf.Cos(F_SB_Angle), radius1 * Mathf.Sin(F_SB_Angle), 0) + sb;
|
|||
|
|
|
|||
|
|
float F_SB_distance = Vector2.Distance(f, sb);
|
|||
|
|
if (F_SB_distance < radius1)
|
|||
|
|
c = f;
|
|||
|
|
else
|
|||
|
|
c = r1;
|
|||
|
|
float F_ST_dy = c.y - st.y;
|
|||
|
|
float F_ST_dx = c.x - st.x;
|
|||
|
|
float F_ST_Angle = Mathf.Atan2(F_ST_dy, F_ST_dx);
|
|||
|
|
Vector3 r2 = new Vector3(radius2 * Mathf.Cos(F_ST_Angle),
|
|||
|
|
radius2 * Mathf.Sin(F_ST_Angle), 0) + st;
|
|||
|
|
float C_ST_distance = Vector2.Distance(c, st);
|
|||
|
|
if (C_ST_distance > radius2)
|
|||
|
|
c = r2;
|
|||
|
|
return c;
|
|||
|
|
}
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
[Serializable]
|
|||
|
|
public class Paper
|
|||
|
|
{
|
|||
|
|
public GameObject Front;
|
|||
|
|
public GameObject Back;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
public static class BookUtility
|
|||
|
|
{
|
|||
|
|
/// <summary>
|
|||
|
|
/// Call this function to Show a Hidden Page
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="page">the page to be shown</param>
|
|||
|
|
public static void ShowPage(GameObject page)
|
|||
|
|
{
|
|||
|
|
CanvasGroup cgf = page.GetComponent<CanvasGroup>();
|
|||
|
|
cgf.alpha = 1;
|
|||
|
|
cgf.blocksRaycasts = true;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Call this function to hide any page
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="page">the page to be hidden</param>
|
|||
|
|
public static void HidePage(GameObject page)
|
|||
|
|
{
|
|||
|
|
CanvasGroup cgf = page.GetComponent<CanvasGroup>();
|
|||
|
|
cgf.alpha = 0;
|
|||
|
|
cgf.blocksRaycasts = false;
|
|||
|
|
page.transform.SetAsFirstSibling();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public static void CopyTransform(Transform from, Transform to)
|
|||
|
|
{
|
|||
|
|
to.position = from.position;
|
|||
|
|
to.rotation = from.rotation;
|
|||
|
|
to.localScale = from.localScale;
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|