79 lines
3.0 KiB
C#
79 lines
3.0 KiB
C#
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using UnityEngine;
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using System.Collections;
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using System;
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namespace BookCurlPro
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{
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public class PageFlipper : MonoBehaviour
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{
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public float duration;
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public BookPro book;
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bool isFlipping = false;
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Action finish;
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float elapsedTime = 0;
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//center x-coordinate
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float xc, pageWidth, pageHeight;
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FlipMode flipMode;
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public static void FlipPage(BookPro book, float duration, FlipMode mode, Action OnComplete)
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{
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PageFlipper flipper = book.GetComponent<PageFlipper>();
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if (!flipper)
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flipper = book.gameObject.AddComponent<PageFlipper>();
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flipper.enabled = true;
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flipper.book = book;
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flipper.isFlipping = true;
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flipper.duration = duration - Time.deltaTime;
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flipper.finish = OnComplete;
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flipper.xc = (book.EndBottomLeft.x + book.EndBottomRight.x) / 2;
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flipper.pageWidth = (book.EndBottomRight.x - book.EndBottomLeft.x) / 2;
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flipper.pageHeight = Mathf.Abs(book.EndBottomRight.y);
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flipper.flipMode = mode;
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flipper.elapsedTime = 0;
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float x;
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if (mode == FlipMode.RightToLeft)
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{
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x = flipper.xc + (flipper.pageWidth * 0.99f);
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float y = (-flipper.pageHeight / (flipper.pageWidth * flipper.pageWidth)) * (x - flipper.xc) * (x - flipper.xc);
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book.DragRightPageToPoint(new Vector3(x, y, 0));
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}
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else
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{
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x = flipper.xc - (flipper.pageWidth * 0.99f);
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float y = (-flipper.pageHeight / (flipper.pageWidth * flipper.pageWidth)) * (x - flipper.xc) * (x - flipper.xc);
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book.DragLeftPageToPoint(new Vector3(x, y, 0));
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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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if (isFlipping)
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{
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elapsedTime += Time.deltaTime;
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if (elapsedTime < duration)
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{
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if (flipMode == FlipMode.RightToLeft)
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{
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float x = xc + (0.5f - elapsedTime / duration) * 2 * (pageWidth);
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float y = (-pageHeight / (pageWidth * pageWidth)) * (x - xc) * (x - xc);
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book.UpdateBookRTLToPoint(new Vector3(x, y, 0));
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}
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else
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{
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float x = xc - (0.5f - elapsedTime / duration) * 2 * (pageWidth);
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float y = (-pageHeight / (pageWidth * pageWidth)) * (x - xc) * (x - xc);
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book.UpdateBookLTRToPoint(new Vector3(x, y, 0));
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}
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}
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else
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{
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book.Flip();
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isFlipping = false;
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this.enabled = false;
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if (finish != null)
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finish();
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}
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}
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}
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}
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}
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